Table of Contents
Task B-4 Diagnoses engine systems
Task Descriptor
Automotive service technicians diagnose engine systems according to manufacturers’ service information. Accurate diagnosis is important to effectively perform repairs on the engine, which may include replacement or rebuilding of components.
B-4.01 - Diagnoses cooling systems
B-4.01 - Diagnoses cooling systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-4.01.01P |
verify concern |
concern is verified to determine diagnostic strategy |
| B-4.01.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-4.01.03P |
inspect components |
components are inspected for wear, damage and defects |
| B-4.01.04P |
analyze coolant |
coolant is analyzed for concentration, chemistry and contamination using procedures according to manufacturers’ service information |
| B-4.01.05P |
identify restrictions in air and coolant flow |
restrictions in air and coolant flow are identified through system operation tests |
| B-4.01.06P |
check and identify electronically-controlled system faults |
electronically-controlled system faults are identified according to manufacturers’ service information |
| B-4.01.07P |
check and identify mechanical system faults |
mechanical system faults are identified according to manufacturers’ service information |
| B-4.01.08P |
pressure test cooling system and components |
cooling system and components are pressure tested to locate leaks and faults |
| B-4.01.09P |
record, interpret and analyze results of tests and inspections |
results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined |
Range of Variables
- tools and equipment include: pressure testers, coolant testers, infrared temperature guns, scan tools
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- components include: water pumps, radiators, thermostats, tubes, hoses, belts, tensioners, shrouds, seals, sealants, gaskets
- electronically-controlled system faults include: blown fuses, defective motors, circuit failures, sensors out of range, relay failure, control module failure
- mechanical system faults include: mechanical fan, fan clutch and belt tension malfunctions, incorrect routing
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-4.01.01L |
demonstrate knowledge of cooling systems, their components, characteristics, applications and operation |
identify types of cooling systems and their components, and describe their characteristics and applications |
| describe operating principles of cooling systems and their components |
| identify types of coolants and chemical additives, and describe their characteristics and applications |
| identify types of fan systems and their components, and describe their characteristics, applications and operation |
| identify related systems and describe their relationship to cooling systems |
| B-4.01.02L |
demonstrate knowledge of procedures used to diagnose cooling systems and their components |
identify tools and equipment used to diagnose cooling systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to cooling systems and their components |
| describe procedures used to diagnose cooling systems and their components |
| identify warning indicators and describe their characteristics, applications and operation |
| identify materials that can be reconditioned, reused or recycled |
| B-4.01.03L |
demonstrate knowledge of regulatory requirements pertaining to cooling systems |
identify jurisdictional standards and regulations pertaining to cooling systems |
Range of Variables
- components include: water pumps, radiators, thermostats, tubes, hoses, belts, tensioners, shrouds, seals, sealants, gaskets
- fan systems include: mechanical, electric, hydraulic
- related systems include: HVAC, coolers and auxiliary coolers, coolant heaters
- procedures used to diagnose include: verify concern, perform inspection, retrieve diagnostic trouble codes (DTC), access service information, conduct tests and measurements, isolate fault and identify root cause
- tools and equipment include: pressure testers, coolant testers, infrared temperature guns, scan tools
- hazards include: high temperature, high pressure, toxicity
- warning indicators include: warning messages, warning lights, audible signals
- jurisdictional standards include: provincial, territorial, federal
B-4.02 - Diagnoses lubricating systems
B-4.02 - Diagnoses lubricating systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-4.02.01P |
verify concern |
concern is verified to determine diagnostic strategy |
| B-4.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-4.02.03P |
inspect components |
components are inspected for wear, damage, defects and blockages |
| B-4.02.04P |
inspect engine oil |
engine oil is inspected to identify contamination and oil levels |
| B-4.02.05P |
identify system faults |
system faults are identified according to manufacturers’ service information |
| B-4.02.06P |
perform oil pressure tests |
oil pressure tests are performed, recorded and compared to manufacturers’ service information |
| B-4.02.07P |
record, interpret and analyze results of tests and inspections |
results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined |
Range of Variables
- tools and equipment include: pressure gauges, scan tools, black light and dye penetrant
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- components include: pumps and drives, coolers, lines, hoses, filters, chains, tensioners, seals, sealants, gaskets
- system faults include: leaks, low and high pressures, pump drive malfunctions
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-4.02.01L |
demonstrate knowledge of engine lubricating systems, their components, characteristics, applications and operation |
identify types of engine lubricating systems and their components, and describe their characteristics and applications |
| describe operating principles of engine lubricating systems and their components |
| identify types of engine lubricants and describe their characteristics and applications |
| identify types of oil pumps and describe their characteristics, applications and operation |
| identify types of oil coolers and describe their characteristics and applications |
| describe oil flow, filtration and pressure regulation |
| identify warning indicators and describe their characteristics, applications and operation |
| B-4.02.02L |
demonstrate knowledge of procedures used to diagnose engine lubricating systems and their components |
identify tools and equipment used to diagnose engine lubricating systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to engine lubricating systems and their components |
| describe procedures used to diagnose engine lubricating systems and their components |
| identify testing procedures for checking oil contaminations |
| describe procedures to remove, replace, recycle and dispose of oil |
| identify materials that can be reconditioned, reused or recycled |
| B-4.02.03L |
demonstrate knowledge of regulatory requirements pertaining to engine lubricating systems |
identify standards and regulations pertaining to engine lubricating systems and materials |
Range of Variables
- components include: pumps and drives, coolers, lines, hoses, filters, chains, tensioners, seals, sealants, gaskets
- engine lubricants include: grades and classifications, synthetics, additives
- oil pumps include: rotor type, vane type, gear type
- oil coolers include: oil-to-air, oil-to-coolant
- warning indicators include: warning messages, warning lights, audible signals
- tools and equipment include: pressure gauges, scan tools, black light and dye penetrant
- procedures used to diagnose include: verify concern, perform inspections, retrieve DTCs, access service information, conduct tests and measurements, isolate fault and identify root cause
B-4.03 - Diagnoses engine assembly
B-4.03 - Diagnoses engine assembly
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-4.03.01P |
verify concerns |
concerns are verified to determine diagnostic strategy |
| B-4.03.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-4.03.03P |
perform tests |
tests are performed according to manufacturers’ service information |
| B-4.03.04P |
inspect engine assemblies, and their components |
engine assemblies and theircomponents are inspected for wear, damage and defects |
| B-4.03.05P |
record, interpret and analyze results of tests and inspections |
results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined |
Range of Variables
- concerns include: noise, vibration and harshness (NVH), oil consumption, lack of power, fluid leaks
- tools and equipment include: scan tools, compression testers, measuring tools, stethoscopes, electronic vibration analyzers, pyrometer, laser tools, straight edges, leak down testers
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- tests include: cylinder leak-down, compression, vacuum
- components include: crankshafts, camshafts, bearings, pistons and rings, engine block, cylinder head assemblies, gaskets, seals, sealants, timing belt or chain, gears, tensioners, pulleys, variable valve timing (VVT) actuator
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-4.03.01L |
demonstrate knowledge of engine theory |
define and explain terminology associated with engines |
| explain internal combustion principles |
| B-4.03.02L |
demonstrate knowledge of engine assemblies, their components, characteristics, applications and operation |
identify engine assemblies and their components, and describe their characteristics and applications |
| describe operating principles of engine assemblies and their components |
| identify types of engine classifications |
| identify types of engine configurations and describe their construction |
| identify types of valve train configurations and valve timing control systems operations and describe their construction |
| describe engine displacement, compression ratios and horsepower |
| identify related components and describe their relationship to engine assembly |
| B-4.03.03L |
demonstrate knowledge of procedures used to diagnose engine assemblies and their components |
identify tools and equipment used to diagnose engine assemblies and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to engine assemblies and their components |
| describe procedures used to diagnose engine assemblies and their components |
| identify types and sources of engine assembly faults |
| identify materials that can be reconditioned, reused or recycled |
Range of Variables
- components include: crankshafts, camshafts, bearings, pistons and rings, engine block, cylinder head assemblies, gaskets, seals, sealants, timing belt or chain, gears, tensioners, pulleys, variable valve timing (VVT) actuator
- engine classifications include: fuel (diesel, gasoline, alternate fuels), 2 or 4 stroke, cooling (air, liquid)
- engine configurations include: inline, rotary, opposed, V
- valve train configurations include: push rod, overhead cam, multi-valve, solenoid operated valve
- related components include: engine oil coolers, lines, hoses, pulleys
- procedures used to diagnose include: verify concern, perform inspections, retrieve DTCs, access service information, conduct tests and measurements, isolate fault and identify root cause
- tools and equipment include: scan tools, compression testers, measuring tools, stethoscopes, electronic vibration analyzers, pyrometer, laser tools, straight edges, leak down testers
- hazards include: slips and falls, high temperature, toxicity, sharp edges, rotating parts
B-4.04 - Diagnoses accessory drive systems
B-4.04 - Diagnoses accessory drive systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-4.04.01P |
verify concern |
concern is verified to determine diagnostic strategy |
| B-4.04.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-4.04.03P |
check and inspect accessory drive pulley alignment |
accessory drive pulleys are inspected for alignment according to manufacturers’ service information |
| B-4.04.04P |
identify type of drive pulley system |
drive pulley system is identified |
| B-4.04.05P |
identify cause of noise and vibration |
cause of noise and vibration is identified using tools and equipment |
| B-4.04.06P |
measure belt tension |
belt tension is measured according to manufacturers’ service information |
| B-4.04.07P |
inspect accessory drive systems, and their components |
accessory drive systems and their components are inspected for wear, tension and noise according to manufacturers’ service information |
| B-4.04.08P |
inspect accessory brackets |
accessory brackets are inspected for damage and wear |
| B-4.04.09P |
record, interpret and analyze results of tests and inspections |
results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined |
Range of Variables
- tools and equipment include: pyrometer, laser tools, straight edges, electronic vibration analyzers, stethoscopes, belt tension gauges
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- drive pulley system includes: serpentine, stretch-to-fit, cog
- components include: tensioners, pulleys, belts
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-4.04.01L |
demonstrate knowledge of accessory drive systems, their components, characteristics, applications and operation |
identify types of accessory drive systems and their components, and describe their characteristics and applications |
| describe operating principles of accessory drive systemsand their components |
| identify related components and describe their relationship to accessory drive systems |
| B-4.04.02L |
demonstrate knowledge of procedures used to diagnose accessory drive systems and their components |
identify tools and equipment used to diagnose accessory drive systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to accessory drive systems and their components |
| describe procedures used to diagnose accessory drive systems and their components |
| identify materials that can be recycled |
Range of Variables
- components include: tensioners, pulleys, belts
- related components include: water pumps, alternators, AC compressors, power steering pumps
- procedures used to diagnose include: verify concern, perform inspections, retrieve DTCs, access service information, conduct tests and measurements, isolate fault and identify root cause
- tools and equipment include: pyrometer, laser tools, straight edges, electronic vibration analyzers, stethoscopes, belt tension gauges
- hazards include: rotating components, pinch points, loose clothing
Task B-5 Repairs engine systems
Task Descriptor
Automotive service technicians repair engine systems according to manufacturers’ service information to ensure proper operation and protection of the engine and its components.
B-5.01 - Repairs cooling systems
B-5.01 - Repairs cooling systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-5.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-5.01.02P |
select and use components for repair |
components are selected and used according to repair requirements and manufacturers’ service information |
| B-5.01.03P |
remove, service and replace cooling system components |
cooling system components are removed, serviced and replaced according to requirements |
| B-5.01.04P |
identify types and characteristics of coolants |
types and characteristics of coolants are identified to avoid mixing incompatible types and to ensure required concentrations |
| B-5.01.05P |
drain, flush, refill and bleed coolant system |
coolant system is drained, flushed, refilled and bled according to manufacturers’ service information |
| B-5.01.06P |
recycle and dispose of coolant |
coolant is recycled and disposed of according to jurisdictional regulations |
| B-5.01.07P |
verify repair |
repair is verified by system re-test and road test |
Range of Variables
- tools and equipment include: pressure testers, automated refill devices, tension gauges, hand tools, air tools, power tools
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- components include: radiators, thermostats, water pumps, hoses, tubing, belts, seals, gaskets, sealants, fastening devices
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-5.01.01L |
demonstrate knowledge of cooling system components, their characteristics, applications and operation |
identify cooling system components and describe their characteristics and applications |
| describe operating principles of cooling system components |
| identify types of coolants and chemical additives, and describe their characteristics and applications |
| identify types of fan systems and their components, and describe their characteristics, applications and operation |
| identify related systems and describe their relationship to cooling systems |
| identify warning indicators and describe their characteristics, applications and operation |
| B-5.01.02L |
demonstrate knowledge of procedures used to repair cooling system components |
identify tools and equipment used to repair cooling system components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to cooling systems |
| describe procedures used to repair cooling systems |
| describe procedures used to remove and reinstall cooling system components |
| describe procedures used to flush and recycle or dispose of coolants |
| describe procedures to remove, replace, recycle and dispose of cooling system coolant |
| describe service intervals according to type of coolant |
| describe procedures used to verify repair |
| B-5.01.03L |
demonstrate knowledge of regulatory requirements pertaining cooling systems |
identify and interpret standards and regulations pertaining to cooling systems |
Range of Variables
- components include: radiators, thermostats, water pumps, hoses, tubing, belts, seals, gaskets, sealants, fastening devices
- fan systems and their components include: mechanical, electrical, hydraulic
- related systems include: HVAC, coolers and auxiliary coolers, coolant heaters
- warning indicators include: warning messages, warning lights, audible signals
- tools and equipment include: pressure testers, automated refill devices, tension gauges, hand tools, air tools, power tools
- hazards include: high pressure, high temperature, toxicity
B-5.02 - Repairs lubricating systems
B-5.02 - Repairs lubricating systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-5.02.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-5.02.02P |
select and use components for repair |
components are selected and used according to repair requirements and manufacturers’ service information |
| B-5.02.03P |
remove, replace or service lubricating system components |
lubricating system components are removed, replaced or serviced according to manufacturers’ service information |
| B-5.02.04P |
identify and select engine oil |
engine oil is identified and selected according to manufacturers’ service information |
| B-5.02.05P |
perform maintenance procedures |
maintenance procedures are performed according to manufacturers’ service information |
| B-5.02.06P |
perform priming and pre-lubrication of oil pressure system |
priming and pre-lubrication of oil pressure system is performed according to manufacturers’ service information |
| B-5.02.07P |
verify repair |
repair is verified by system re-test and road test |
Range of Variables
- tools and equipment include: scan tools, oil pressure gauges, measuring tools, pre-lubricator, priming tools, hand tools, air tools, power tools
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- components include: pumps and drives, coolers, lines, hoses, filters, chains, tensioners, seals, sealants, gaskets, fastening devices
- maintenance procedures include: changing oil and filter, resetting maintenance reminder
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-5.02.01L |
demonstrate knowledge of engine lubricating systems, their components, characteristics, applications and operation |
identify types of engine lubricants and describe their characteristics and applications |
| describe operating principles of engine lubricating systems and their components |
| identify types of oil pumps and drives and describe their purpose and operation |
| identify types of oil coolers and describe their purpose and operation |
| describe oil flow, filtration and pressure regulation |
| identify requirements related to superchargers and turbochargers |
| identify related systems and describe relationship to lubricating systems |
| identify warning indicators and describe their characteristics, applications and operation |
| B-5.02.02L |
demonstrate knowledge of procedures used to repair engine lubricating systems |
identify tools and equipment used to repair engine lubricating systems, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to lubricating systems |
| describe procedures used to repair engine lubricating systems |
| describe maintenance procedures |
| describe procedures used to verify repair |
| identify materials that can be recycled |
| B-5.02.03L |
demonstrate knowledge of regulatory requirements pertaining to engine lubricating systems |
identify standards and regulations pertaining to engine lubricating systems and materials |
Range of Variables
- components include: pumps and drives, coolers, lines, hoses, filters, chains, tensioners, seals, sealants, gaskets, fastening devices
- related systems include: engine assembly, oil coolers
- warning indicators include: warning messages, warning lights, audible signals
- tools and equipment include: scan tools, oil pressure gauges, measuring tools, pre-lubricator, priming tools, hand tools, air tools, power tools
- hazards include: slip and fall, toxicity
- maintenance procedures include: changing oil and filter, resetting maintenance reminder
B-5.03 - Repairs engine assembly
B-5.03 - Repairs engine assembly
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-5.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-5.03.02P |
select and use components for repair |
components are selected and used according to repair requirements and manufacturers’ service information |
| B-5.03.03P |
remove and reinstall engine assembly |
engine assembly is removed and reinstalled according to manufacturers’ service information |
| B-5.03.04P |
remove, disassemble and inspect engine components |
engine components are removed and disassembled according to manufacturers’ service information, inspected for damage, measured for wear and compared to manufacturers’ service information |
| B-5.03.05P |
replace or service engine components |
engine components are replaced or serviced according to manufacturers’ service information |
| B-5.03.06P |
reassemble engine components, and perform measurements and adjustments |
engine components are reassembled, and measurements and adjustments are performed according to manufacturers’ service information |
| B-5.03.07P |
perform mechanical engine timing procedures |
mechanical engine timing procedures are performed according to manufacturers’ service information |
| B-5.03.08P |
perform pre-lubrication and priming procedures |
pre-lubrication and priming procedures are performed according to manufacturers’ service information |
| B-5.03.09P |
perform maintenance procedures |
maintenance procedures are performed according to manufacturers’ service information |
| B-5.03.10P |
verify repair |
repair is verified by system re-test and road test according to manufacturers’ service information |
Range of Variables
- tools and equipment include: hand tools, air tools, power tools, plastic precision clearance gauges, straight edges, precision measuring tools, torque angle gauges
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- components include: crankshafts, camshafts, bearings, pistons and rings, engine block, cylinder head assemblies, VVT actuators, seals, sealants, gaskets, fastening devices, timing mechanism
- maintenance procedures include: oil change, maintenance reminder
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-5.03.01L |
demonstrate knowledge of engine theory |
define and explain terminology associated with engines |
| explain internal combustion principles |
| B-5.03.02L |
demonstrate knowledge of engine assemblies, their components, characteristics, applications and operation |
identify types of engine classifications |
| identify types of engine configurations and describe their construction |
| identify types of valve train configurations and describe their construction |
| describe operating principles of engine assemblies and their components |
| identify engine components and describe their design, purpose and operation |
| describe engine displacement and compression ratios |
| describe variable valve timing control systems |
| B-5.03.03L |
demonstrate knowledge of the procedures used to repair engine assemblies and their components |
identify tools and equipment used to repair engine assemblies and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to engine assemblies |
| identify types and sources of engine assembly faults |
| describe procedures used to remove, repair and reassemble engine assemblies and their components |
| describe procedures used to adjust, repair and replace engine assembly components |
| describe maintenance procedures |
| describe procedures used to verify repair |
| identify materials that can be reconditioned, reused or recycled |
Range of Variables
- components include: crankshafts, camshafts, bearings, pistons and rings, engine block, cylinder head assemblies, VVT actuators, seals, sealants, gaskets, fastening devices, timing mechanism
- engine classifications include: fuel (diesel, gasoline, alternate fuels)
- valve train configurations include: push rod, overhead cam, multi-valve, solenoid operated valve
- tools and equipment include: hand tools, air tools, power tools, plastic precision clearance gauges, straight edges, precision measuring tools, torque angle gauges
- hazards include: slips and falls, high temperature, high pressure, toxicity, rotating parts
- types and sources of engine assembly faults include: low power, smoke, oil consumption, fluid contamination, rough running, internal/external leaks, noises
- maintenance procedures include: oil change, maintenance reminder
B-5.04 - Repairs accessory drive systems
B-5.04 - Repairs accessory drive systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-5.04.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-5.04.02P |
select and use components for repair |
components are selected and used according to repair requirements and manufacturers’ service information |
| B-5.04.03P |
remove, service and replace accessory drive system components |
accessory drive system components are removed, serviced and replaced according to requirements |
| B-5.04.04P |
adjust accessory drive system components |
accessory drive system components are adjusted according to manufacturers’ service information |
| B-5.04.05P |
perform maintenance procedures |
maintenance procedures are performed according to manufacturers’ service information |
| B-5.04.06P |
verify repair |
repair is verified by system re-test and road test |
Range of Variables
- tools and equipment include: hand tools, air tools, power tools, tension relief devices, pullers, belt installers, belt tension gauges
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- components include: tensioners, belts, pulleys, brackets, gaskets, sealants, fastening devices
- maintenance procedures include: belt inspection, tensioner inspection
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-5.04.01L |
demonstrate knowledge of accessory drive systems, and their components, characteristics, applications and operation |
identify types of accessory drive systems, and their components, and describe their characteristics and applications |
| describe operating principles of accessory drive systems, and their components |
| identify related components and describe their relationship to accessory drive systems |
| B-5.04.02L |
demonstrate knowledge of the procedures used to repair accessory drive systems, and their components |
identify tools and equipment used to repair accessory drive systems, and their components and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to accessory drive systems |
| describe procedures used to repair accessory drive systems, and their components |
| describe procedures used to reinstall and adjust accessory drive systems, and their components |
| describe maintenance procedures |
| describe procedures used to verify repair |
Range of Variables
- components include: tensioners, belts, pulleys, brackets, gaskets, sealants, fastening devices
- related components include: water pumps, alternators, AC compressors, power steering pumps
- tools and equipment include: hand tools, air tools, power tools, tension relief devices, pullers, belt installers, belt tension gauges
- hazards include: rotating components, pinch points, loose clothing, high pressure liquids and gases
- maintenance procedures include: belt inspection, tensioner inspection
Task B-6 Diagnoses gasoline engine support systems
Task Descriptor
Automotive service technicians diagnose gasoline engine support systems according to manufacturers’ service information to ensure proper engine efficiency and operation.
B-6.01 - Diagnoses gasoline fuel delivery and injection systems
B-6.01 - Diagnoses gasoline fuel delivery and injection systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-6.01.01P |
verify concern |
concern is verified to determine diagnostic strategy |
| B-6.01.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-6.01.03P |
identify type of gasoline fuel delivery and injection systems |
gasoline fuel delivery and injection systems are identified |
| B-6.01.04P |
inspect and test fuel properties for contaminants |
fuel properties are inspected and tested for contaminants |
| B-6.01.05P |
inspect gasoline fuel delivery and injection systems, and their components |
gasoline fuel delivery and injection systems, and their components are inspected for wear, damage and defects |
| B-6.01.06P |
perform tests |
tests are performed according to manufacturers’ service information |
| B-6.01.07P |
identify faults |
faults are identified |
| B-6.01.08P |
record, interpret and analyze test results |
results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined |
Range of Variables
- tools and equipment include: fuel pressure gauges, scan tools, vacuum gauges, digital multimeters (DMMs), oscilloscopes
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- gasoline fuel delivery and injection systems include: fuel pumps and supply systems, gasoline direct injection, port injection systems
- fuel properties include: quality, colour, odour, ethanol content
- components include: injectors, pumps, lines, filters, control systems, tubing, hoses, gaskets, seals
- tests include: pressure, volume, fuel injector flow, injector balance
- faults include: engine misfires, lack of power
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-6.01.01L |
demonstrate knowledge of gasoline fuel delivery and injection systems, their components, characteristics, applications and operation |
identify types of gasoline fuel delivery and injection systems and their components, and describe their characteristics and applications |
| describe operating principles of gasoline fuel delivery and injection systems and their components |
| B-6.01.02L |
demonstrate knowledge of the procedures used to diagnose gasoline fuel delivery and injection systems and their components |
identify tools and equipment used to diagnose gasoline fuel delivery and injection systems and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to gasoline fuel delivery and injection systems |
| describe procedures used to diagnose gasoline fuel delivery and injection systems and their components |
| describe procedures used to remove and reinstall gasoline fuel delivery and injection systems and their components |
| identify materials that can be recycled |
| B-6.01.03L |
demonstrate knowledge of regulatory requirements pertaining to gasoline fuel delivery and injection systems |
identify codes, standards and regulations pertaining to gasoline fuel delivery and injection systems |
Range of Variables
- gasoline fuel delivery and injection systems include: fuel pumps and supply systems, gasoline direct injection, port injection systems
- components include: injectors, pumps, lines, filters, control systems, tubing, hoses, gaskets, seals
- procedures used to diagnose include: verify concern, perform inspections, retrieve DTCs, access service information, conduct tests and measurements, isolate fault and identify root cause
- tools and equipment include: fuel pressure gauges, scan tools, vacuum gauges, digital multimeters (DMMs), oscilloscopes
- hazards include: high pressure, flammability
B-6.02 - Diagnoses gasoline electronic ignition systems
B-6.02 - Diagnoses gasoline electronic ignition systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-6.02.01P |
verify concern |
concern is verified to determine diagnostic strategy |
| B-6.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-6.02.03P |
inspect gasoline electronic ignition systems and their components |
gasoline electronic ignition systems and their components are inspected for wear and damage |
| B-6.02.04P |
perform tests |
tests are performed according to manufacturers’ service information |
| B-6.02.05P |
record, interpret and analyze test results |
results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined |
Range of Variables
- tools and equipment include: scan tools, spark testers, DMMs, oscilloscopes
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- gasoline electronic ignition systems include: coil-on-plug, coil near plug, waste spark
- components include: spark plugs, coils, plug wires, modules, control systems
- tests include: coil, primary and secondary circuits, road
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-6.02.01L |
demonstrate knowledge of gasoline electronic ignition systems, their components, characteristics, applications and operation |
identify types of gasoline electronic ignition systems and their components, and describe their characteristics and applications |
| describe operating principles of gasoline electronic ignition systems and their components |
| identify types of ignition circuits and describe their purpose and operation |
| identify related systems and describe their relationship to gasoline electronic ignition systems |
| B-6.02.02L |
demonstrate knowledge of the procedures used to diagnose gasoline electronic ignition systems and their components |
identify tools and equipment used to diagnose gasoline electronic ignition systems and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to gasoline electronic ignition systems |
| describe procedures used to diagnose gasoline electronic ignition systems and their components |
| identify gasoline electronic ignition concerns |
Range of Variables
- gasoline electronic ignition systems include: coil-on-plug, coil near plug, waste spark
- components include: spark plugs, coils, plug wires, modules, control systems
- ignition circuits include: primary, secondary, control
- related systems include: fuel systems, exhaust systems, air intake systems
- procedures used to diagnose include: verify concern, perform inspection, retrieve DTCs, access service information, conduct tests and measurements, isolate fault and identify root cause
- tools and equipment include: scan tools, spark testers, DMMs, oscilloscopes
- hazards include: high voltage, flammability
- gasoline electronic ignition concerns include: hesitation, misfire, lag, no start
B-6.03 - Diagnoses gasoline intake and exhaust systems
B-6.03 - Diagnoses gasoline intake and exhaust systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-6.03.01P |
verify concern |
concern is verified to determine diagnostic strategy |
| B-6.03.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-6.03.03P |
inspect gasoline intake and exhaust systems |
gasoline intake and exhaust systems are inspected for function, leaks, restrictions and variable intake manifold operation |
| B-6.03.04P |
perform tests |
tests are performed according to manufacturers’ service information |
| B-6.03.05P |
inspect gasoline intake and exhaust systemsand their components |
gasoline intake and exhaust systems and their components are inspected for restrictions, wear, damage and defects |
| B-6.03.06P |
take measurements on turbocharger systems and supercharger systems |
measurements are taken on turbocharger systems and supercharger systems according to manufacturers’ service information |
| B-6.03.07P |
record, interpret and analyze test results |
results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined |
Range of Variables
- tools and equipment include: scan tools, vacuum gauges, exhaust back pressure gauges, smoke generators, gas analyzers
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- gasoline intake and exhaust systems include: forced air (turbocharged, supercharged), naturally aspirated (NA), single or dual exhaust, variable intake manifold
- tests include: exhaust back pressure, leak, intake restriction
- components include: intake manifolds and associated piping, exhaust manifolds and associated piping, mufflers, catalytic converters, turbocharger systems, supercharger systems, fasteners, tubing, hoses, gaskets, seals, sealants
- measurements include: end play, boost
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-6.03.01L |
demonstrate knowledge of gasoline intake and exhaust systems, their components, characteristics, applications and operation |
identify types of gasoline intake and exhaust systems and their components, and describe their characteristics and applications |
| describe operating principles of gasoline intake and exhaust systems and their components |
| identify related systems and describe their relationship to gasoline intake and exhaust systems |
| B-6.03.02L |
demonstrate knowledge of procedures used to diagnose gasoline intake and exhaust systems and their components |
identify tools and equipment used to diagnose gasoline intake and exhaust systems and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to gasoline intake and exhaust systems and their components |
| describe procedures used to diagnose gasoline intake and exhaust systems and their components |
| identify materials that can be recycled |
Range of Variables
- gasoline intake and exhaust systems include: forced air (turbocharged, supercharged), naturally aspirated (NA), single or dual exhaust, variable intake manifold
- components include: intake manifolds and associated piping, exhaust manifolds and associated piping, mufflers, catalytic converters, turbocharger systems, supercharger systems, fasteners, tubing, hoses, gaskets, seals, sealants
- related systems include: emissions, lubricating, fuel delivery
- procedures used to diagnose include: verify concern, perform inspections, retrieve DTCs, access service information, conduct tests and measurements, isolate fault and identify root cause
- tools and equipment include: scan tools, vacuum gauges, exhaust back pressure gauges, smoke generators, gas analyzers
- hazards include: high temperature, noxious emissions, fuel pressure and flammability
B-6.04 - Diagnoses gasoline emission control systems
B-6.04 - Diagnoses gasoline emission control systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-6.04.01P |
verify concern |
concern is verified to determine diagnostic strategy |
| B-6.04.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-6.04.03P |
access DTCs and data from on-board diagnostics (OBD) system |
DTCs and data from OBD system are accessed |
| B-6.04.04P |
inspect gasoline emission control systems and their components |
gasoline emission control systems and their components are inspected for wear, damage and defects |
| B-6.04.05P |
identify types of gasoline emission control systems and their components |
types of gasoline emission control systems and their components are identified to determine type of tests required |
| B-6.04.06P |
perform tests |
tests are performed according to manufacturers’ service information |
| B-6.04.07P |
record, interpret and analyze test results |
results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined |
Range of Variables
- tools and equipment include: scan tools, smoke generators, evaporative emission control system (EVAP) leak detectors, gas analyzers, DMMs, oscilloscopes
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- gasoline emission control systems include: exhaust gas recirculation (EGR), EVAP, secondary air injection, exhaust system, positive crankcase ventilation (PCV), induction system, variable cam-timing (VCT)
- components include: solenoids, EGR valves, hoses, catalytic converters, PCV valves, canisters, air pumps, fasteners, tubing, hoses, gaskets, seals, sealants
- tests include: leak detection, exhaust gas analysis, actuator test, flow test
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-6.04.01L |
demonstrate knowledge of gasoline emission control systems, their components, characteristics, applications and operation |
identify types of gasoline emission control systems and their components, and describe their characteristics and applications |
| describe operating principles of gasoline emission control systems and their components |
| identify types of emission gases and how they are formed |
| identify related systems and describe their relationship to gasoline emission control systems |
| identify warning indicators and describe their characteristics, applications and operation |
| B-6.04.02L |
demonstrate knowledge of procedures used to diagnose gasoline emission control systems and their components |
identify tools and equipment used to diagnose gasoline emission control systems and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to gasoline emission control systems and their components |
| describe procedures used to diagnose gasoline emission control systems and their components |
| identify materials that can be recycled |
| B-6.04.03L |
demonstrate knowledge of regulatory requirements pertaining to gasoline emission control systems |
identify standards and regulations pertaining to gasoline emission control systems |
Range of Variables
- gasoline emission control systems include: exhaust gas recirculation (EGR), EVAP, secondary air injection, exhaust system, positive crankcase ventilation (PCV), induction system, variable cam-timing (VCT)
- components include: solenoids, EGR valves, hoses, catalytic converters, PCV valves, canisters, air pumps, fasteners, tubing, hoses, gaskets, seals, sealants
- emission gases include: CO, CO², NOx, HC, O²
- related systems include: exhaust, intake, fuel
- warning indicators include: warning messages, warning lights, audible signals
- procedures used to diagnose include: verify concern, perform inspection, retrieve DTCs, access service information, conduct tests and measurements, isolate fault and identify root cause
- tools and equipment include: scan tools, smoke generators, evaporative emission control system (EVAP) leak detectors, gas analyzers, DMMs, oscilloscopes
- hazards include: high temperature, noxious gas
Task B-7 Repairs gasoline engine support systems
Task Descriptor
Automotive service technicians repair and maintain gasoline engine support systems according to manufacturers’ service information.
B-7.01 - Repairs gasoline fuel delivery and injection systems
B-7.01 - Repairs gasoline fuel delivery and injection systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-7.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-7.01.02P |
select and use components for repair |
components are selected and used according to repair requirements and manufacturers’ service information |
| B-7.01.03P |
depressurize gasoline fuel delivery and injection systems |
gasoline fuel delivery and injection systems are depressurized according to manufacturers’ service information to remove and disassemble system |
| B-7.01.04P |
remove, service and replace gasoline fuel delivery and injection systems and their components |
gasoline fuel delivery and injection systems and their components are removed, serviced and replaced according to manufacturers’ service information |
| B-7.01.05P |
perform maintenance procedures |
maintenance procedures are performed according to manufacturers’ service information |
| B-7.01.06P |
verify repair |
repair is verified by system re-test and road test |
Range of Variables
- tools and equipment include: fuel pressure gauges, fuel pressure relief devices, fuel transfer and storage equipment, fuel injector cleaning equipment, hand tools, air tools, power tools, scan tools
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- components include: fuel filters, injectors, tanks, lines, hoses and pumps, regulators, gaskets, seals, fastening devices
- gasoline fuel delivery and injection systems include: fuel pumps and supply systems, gasoline direct injection, port injection systems
- maintenance procedures include: fuel injector flushes, contaminants removal, filter replacement
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-7.01.01L |
demonstrate knowledge of gasoline fuel delivery and injection systems, their components, characteristics, applications and operation |
identify types of gasoline fuel delivery and injection systems and their components, and describe their characteristics and applications |
| describe operating principles of gasoline fuel delivery and injection systems and their components |
| B-7.01.02L |
demonstrate knowledge of procedures used to repair gasoline fuel delivery and injection systems and their components |
identify tools and equipment used to repair gasoline fuel delivery and injection systems, and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to gasoline fuel delivery and injection systems |
| describe procedures used to remove and reinstall gasoline fuel delivery and injection system components |
| describe procedures used to adjust, calibrate, repair and replace gasoline fuel delivery and injection system components |
| describe maintenance procedures |
| describe procedures used to verify repair |
| B-7.01.03L |
demonstrate knowledge of regulatory requirements pertaining to gasoline fuel delivery and injection systems |
identify codes, standards and regulations pertaining to gasoline fuel delivery and injection systems |
Range of Variables
- gasoline fuel delivery and injection systems include: fuel pumps and supply systems, gasoline direct injection, port injection systems
- components include: fuel filters, injectors, tanks, lines, hoses and pumps, regulators, gaskets, seals, fastening devices
- tools and equipment include: fuel pressure gauges, fuel pressure relief devices, fuel transfer and storage equipment, fuel injector cleaning equipment, hand tools, air tools, power tools, scan tools
- hazards include: high pressure, flammability
- maintenance procedures include: fuel injector flushes, contaminants removal, filter replacement
B-7.02 - Repairs gasoline electronic ignition systems
B-7.02 - Repairs gasoline electronic ignition systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-7.02.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-7.02.02P |
select and use components for repair |
components are selected and used according to repair requirements and manufacturers’ service information |
| B-7.02.03P |
remove, replace or service gasoline ignition system components |
gasoline ignition system components are removed, replaced or serviced according to manufacturers’ service information |
| B-7.02.04P |
measure and adjust clearances |
clearances are measured and adjusted according to manufacturers’ service information |
| B-7.02.05P |
perform maintenance procedures |
maintenance procedures are performed according to manufacturers’ service information |
| B-7.02.06P |
verify repair |
repair is verified by system re-test and road test |
Range of Variables
- tools and equipment include: scan tools, hand tools, air tools, power tools, DMMs, oscilloscopes, gauges, spark testers
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- components include: spark plugs, coils, plug wires, modules, sensors, fastening devices
- gasoline ignition systems include: coil-on-plug, coil-near-plug, waste spark
- clearances include: spark plug gap, sensor clearances
- maintenance procedures include: spark plug change intervals, ignition cable replacement
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-7.02.01L |
demonstrate knowledge of gasoline ignition systems, their components, characteristics, applications and operation |
identify types of gasoline ignition systems and their components, and describe their characteristics and applications |
| describe operating principles of gasoline ignition systems and their components |
| identify types of ignition circuits and describe their purpose and operation |
| identify warning indicators and describe their characteristics, applications and operation |
| B-7.02.02L |
demonstrate knowledge of procedures used to repair gasoline ignition systems and their components |
identify tools and equipment used to repair gasoline ignition systems and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to gasoline ignition systems |
| describe procedures used to repair gasoline ignition systems |
| describe procedures used to remove and reinstall gasoline ignition system components |
| describe procedures used to adjust, calibrate, repair and replace gasoline ignition system components |
| describe maintenance procedures |
| describe procedures used to verify repair |
Range of Variables
- gasoline ignition systems include: coil-on-plug, coil-near-plug, waste spark
- components include: spark plugs, coils, plug wires, modules, sensors, fastening devices
- ignition circuits include: primary, secondary, control
- warning indicators include: warning messages, warning lights, audible signals
- tools and equipment include: scan tools, hand tools, air tools, power tools, DMMs, oscilloscopes, gauges, spark testers
- hazards include: high voltage, high temperature
- maintenance procedures include: spark plug change intervals, ignition cable replacement
B-7.03 - Repairs gasoline intake and exhaust systems
B-7.03 - Repairs gasoline intake and exhaust systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-7.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-7.03.02P |
select and use components to perform repair |
components are selected and used according to repair requirements and manufacturers’ service information |
| B-7.03.03P |
remove and replace gasoline intake and exhaust system components |
gasoline intake and exhaust system components are removed and replaced according to manufacturers’ service information |
| B-7.03.04P |
perform maintenance procedures |
maintenance procedures are performed according to manufacturers’ service information |
| B-7.03.05P |
verify repair |
repair is verified by system re-test and road test |
Range of Variables
- tools and equipment include: scan tools, hand tools, air tools, power tools, torches, welders, vacuum and pressure gauges
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- components include: intake manifolds and associated piping, exhaust manifolds and piping, mufflers, catalytic converters, turbocharger systems, supercharger systems, gaskets, seals, sealants, fastening devices
- gasoline intake and exhaust systems include: forced air (turbocharged, supercharged), NA, single or dual exhaust, variable intake manifold
- maintenance procedures include: cleaning throttle body, replacing air filters, changing supercharger oil, priming, lubricating and servicing turbocharger and supercharger systems
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-7.03.01L |
demonstrate knowledge of gasoline intake and exhaust systems, their components, characteristics, applications and operation |
identify types of gasoline intake and exhaust systems and their components, and describe their characteristics and applications |
| describe operating principles of gasoline intake and exhaust systems and their components |
| identify related systems and describe their relationship to gasoline intake and exhaust systems |
| B-7.03.02L |
demonstrate knowledge of procedures used to repair gasoline intake and exhaust systems, and their components |
identify tools and equipment used to repair gasoline intake and exhaust systems, and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to gasoline intake and exhaust systems |
| describe procedures used to repair gasoline intake and exhaust systems |
| describe procedures used to remove and reinstall gasoline intake and exhaust system components |
| describe procedures used to adjust, calibrate, repair and replace gasoline intake and exhaust system components |
| identify types and sources of gasoline intake and exhaust system faults |
| describe maintenance procedures |
| describe procedures used to verify repair |
| identify materials that can be recycled |
Range of Variables
- gasoline intake and exhaust systems include: forced air (turbocharged, supercharged), NA, single or dual exhaust, variable intake manifold
- components include: intake manifolds and associated piping, exhaust manifolds and piping, mufflers, catalytic converters, turbocharger systems, supercharger systems, gaskets, seals, sealants, fastening devices
- related systems include: emissions, lubricating, fuel delivery
- tools and equipment include: scan tools, hand tools, air tools, power tools, torches, welders, vacuum and pressure gauges
- hazards include: high temperature, noxious fumes, flammability
- gasoline intake and exhaust system faults include: leaks, blockages, noise, vibration
- maintenance procedures include: cleaning throttle body, replacing air filters, changing supercharger oil, priming, lubricating and servicing turbocharger and supercharger systems
B-7.04 - Repairs gasoline emission control systems
B-7.04 - Repairs gasoline emission control systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-7.04.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-7.04.02P |
select and use gasoline emission control system components for repair |
gasoline emission control system components are selected and used according to repair requirements and manufacturers’ service information |
| B-7.04.03P |
remove and replace gasoline emission control system components |
gasoline emission control system components are removed and replaced according to manufacturers’ service information |
| B-7.04.04P |
perform maintenance procedures |
maintenance procedures are performed according to manufacturers’ service information |
| B-7.04.05P |
verify repair |
repair is verified by system re-test and road test |
Range of Variables
- tools and equipment include: hand tools, air tools, power tools, cleaning and service tools, scan tools, DMMs, oscilloscopes, reprogramming equipment, gas analyzers
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- gasoline emission control systems include: EGR, EVAP, secondary air injection, exhaust system, PCV systems, induction system, VCT
- components include: solenoids, EGR valves, hoses, catalytic converters, PCV valves, gaskets, seals, sealants, fastening devices
- maintenance procedures include: cleaning EGR valves/passages, replacing PCV valves
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-7.04.01L |
demonstrate knowledge of gasoline emission control systems, their components, characteristics, applications and operation |
identify gasoline emission control systems and their components, and describe their characteristics and applications |
| describe operating principles of gasoline emission control systems and their components |
| identify types of emission gases and how they are formed |
| identify related systems and describe their relationship to gasoline emission control systems |
| B-7.04.02L |
demonstrate knowledge of procedures used to repair gasoline emission control systems and their components |
identify tools and equipment used to repair gasoline emission control systems and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to gasoline emission control systems and their components |
| describe procedures used to repair and maintain gasoline emission control systems |
| describe procedures used to remove and reinstall gasoline emission control system components |
| describe procedures used to adjust, repair and replace gasoline emission control system components |
| describe maintenance procedures |
| describe procedures used to verify repair |
| identify materials that can be recycled |
| B-7.04.03L |
demonstrate knowledge of regulatory requirements pertaining to gasoline emission control systems |
identify standards and regulations pertaining to gasoline emission control systems |
Range of Variables
- gasoline emission control systems include: EGR, EVAP, secondary air injection, exhaust system, PCV systems, induction system, VCT
- components include: solenoids, EGR valves, hoses, catalytic converters, PCV valves, gaskets, seals, sealants, fastening devices
- emission gases include: CO, CO², NOx, HC, O²
- related systems include: gasoline fuel delivery systems, exhaust systems, intake systems, ignition systems
- tools and equipment include: hand tools, air tools, power tools, cleaning and service tools, scan tools, DMMs, oscilloscopes, reprogramming equipment, gas analyzers
- hazards include: high temperature, noxious fumes, flammability
- maintenance procedures include: cleaning EGR valves/passages, replacing PCV valves
Task B-8 Diagnoses diesel engine support systems
Task Descriptor
Automotive service technicians diagnose diesel engine support systems according to manufacturers’ service information.
B-8.01 - Diagnoses diesel fuel delivery and injection systems
B-8.01 - Diagnoses diesel fuel delivery and injection systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-8.01.01P |
verify concern |
concern is verified to determine diagnostic strategy |
| B-8.01.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-8.01.03P |
identify types of diesel fuel injection systems |
diesel fuel injection systems are identified to understand components’ location and function according to type |
| B-8.01.04P |
inspect and test diesel fuel |
diesel fuel properties and contaminants are identified |
| B-8.01.05P |
inspect components |
components are inspected for wear, damage and defects |
| B-8.01.06P |
perform tests |
tests are performed according to manufacturers’ service information and safety procedures are followed |
| B-8.01.07P |
identify diesel fuel injection system faults |
diesel fuel injection system faults are identified |
| B-8.01.08P |
record, interpret and analyze results of functional tests and data |
results of functional tests and data are recorded, interpreted, analyzed and compared to manufacturers’ service information |
Range of Variables
- tools and equipment include: fuel pressure gauges, scan tools, vacuum gauges, DMMs, oscilloscopes, graduated cylinders, hydrometer
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- diesel fuel injection systems include: direct injection, indirect injection, electronic, mechanical, common rail systems, hydraulic
- components include: lift pumps, fuel filters, tanks, fuel heater, lines, gaskets, seals, injectors, fuel water separators
- diesel fuel properties and contaminants include: specific gravity, water, metal, dirt, quality, colour, odour
- tests include: pressure, volume, restriction
- diesel fuel injection system faults include: lack of power, smoke, hard start
- data includes: timing, fuel rate, balance rate
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-8.01.01L |
demonstrate knowledge of diesel fuel delivery and injection systems, their components, characteristics, applications and operation |
identify types of diesel fuel delivery and injection systems and their components, and describe their characteristics and applications |
| describe operating principles of diesel fuel delivery and injection systems and their components |
| identify types of pre-heat systems and describe their purpose and operation |
| B-8.01.02L |
demonstrate knowledge of procedures used to diagnose diesel fuel delivery and injection systems and their components |
identify tools and equipment used to diagnose diesel fuel delivery and injection systems and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to diesel fuel delivery and injection systems and their components |
| identify methods to test fuel quality and describe their associated procedures |
| describe procedures used to diagnose diesel fuel delivery and injection systems and their components |
| describe procedures used to remove and reinstall diesel fuel delivery and injection system components |
| identify materials that can be reconditioned, reused or recycled |
| B-8.01.03L |
demonstrate knowledge of regulatory requirements pertaining to diesel fuel injection systems |
identify codes, standards and regulations pertaining to diesel fuel injection systems |
Range of Variables
- components include: lift pumps, fuel filters, tanks, fuel heater, lines, gaskets, seals, injectors, fuel water separators
- pre-heat systems include: glow plugs, intake heaters, timers
- procedures used to diagnose include: verify concern, perform inspections, retrieve DTCs, access service information, conduct tests and measurements, isolate fault and identify root cause
- tools and equipment include: fuel pressure gauges, scan tools, vacuum gauges, DMMs, oscilloscopes, graduated cylinders, hydrometer
- hazards include: high pressure fuel, high injection voltage
- diesel fuel injection system faults include: lack of power, smoke, hard start
B-8.02 - Diagnoses diesel intake and exhaust systems
B-8.02 - Diagnoses diesel intake and exhaust systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-8.02.01P |
verify concern |
concern is verified to determine diagnostic strategy |
| B-8.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-8.02.03P |
inspect diesel intake and exhaust systems and their components |
diesel intake and exhaust systems components are inspected for damage and restrictions |
| B-8.02.04P |
take measurements on turbocharger systems |
measurements are taken on turbocharger systems according to manufacturers’ service information |
| B-8.02.05P |
inspect turbocharger system components for damage |
turbocharger system components are inspected for damage |
| B-8.02.06P |
perform tests on intake and exhaust systems |
tests on intake and exhaust systems are performed according to manufacturers’ service information |
| B-8.02.07P |
record, interpret and analyze results of tests and inspections |
results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined |
Range of Variables
- tools and equipment include: scan tools, manometers, exhaust back pressure gauges, smoke generators
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- components include: air filter, piping, manifolds, turbocharger, air charge coolers (intercoolers), gaskets, seals, clamps
- damage includes: broken fins, leaks, noisy bearings
- measurements include: end play and boost pressure
- tests include: back pressure, smoke test
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-8.02.01L |
demonstrate knowledge of diesel intake and exhaust systems, their components, characteristics, applications and operation |
identify types of diesel intake systems and exhaust systems, and their components, and describe their characteristics and applications |
| describe operating principles of diesel intake systems and exhaust systems, and their components |
| B-8.02.02L |
demonstrate knowledge of procedures used to diagnose diesel intake and exhaust systems and their components |
identify tools and equipment used to diagnose diesel intake and exhaust systems and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to diesel intake and exhaust systems and their components |
| describe procedures used to diagnose diesel intake and exhaust systems and their components |
| identify types and sources of diesel intake and exhaust system faults |
| B-8.02.03L |
demonstrate knowledge of regulatory requirements pertaining to diesel intake and exhaust systems |
identify codes, standards and regulations pertaining to diesel intake and exhaust systems |
Range of Variables
- components include: air filter, piping, manifolds, turbocharger, air charge coolers (intercoolers), gaskets, seals, clamps
- procedures used to diagnose include: verify concern, perform inspection, retrieve DTCs, access service information, conduct tests and measurements, isolate fault and identify root cause
- tools and equipment include: scan tools, manometers, exhaust back pressure gauges, smoke generators
- hazards include: high temperature, noxious fumes, run away condition, engine overspeed
- diesel intake and exhaust system faults include: leaks, blockages, noise, vibration
B-8.03 - Diagnoses diesel emission control systems
B-8.03 - Diagnoses diesel emission control systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-8.03.01P |
verify concern |
concern is verified to determine diagnostic strategy |
| B-8.03.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-8.03.03P |
access DTCs and data from OBD system |
DTCs and data from OBD systems are accessed |
| B-8.03.04P |
identify type of diesel emission control systems and components |
type of diesel emission control systems and components are identified to determine type of tests required |
| B-8.03.05P |
inspect diesel emission control systems and components |
diesel emission control systems and components are inspected for wear, damage and defects |
| B-8.03.06P |
perform tests |
tests are performed according to manufacturers’ service information |
| B-8.03.07P |
record, interpret and analyze results of tests and inspections |
results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined |
Range of Variables
- tools and equipment include: scan tools, vacuum gauges, smoke generators, leak detectors, DMMs, oscilloscopes, opacity meter, refractometer
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- diesel emission control systems include: EGR, PCV, Selective Catalyst Reduction (SCR), diesel exhaust fluid (DEF), diesel oxidation catalyst (DOC), diesel particulate filter (DPF); variable geometry turbocharger (VGT)
- components include: EGR valve/particulate filter/cooler, DEF tank/heater/injector, gaskets, seals, sensors, fastening devices
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-8.03.01L |
demonstrate knowledge of diesel emission control systems, their components, characteristics, applications and operation |
identify diesel emission control systems and their components, and describe their characteristics and applications |
| describe operating principles of diesel emission control systems and their components |
| identify diesel emissions and how they are formed |
| identify warning indicators and describe their characteristics, applications and operation |
| B-8.03.02L |
demonstrate knowledge of procedures used to diagnose diesel emission control systems and their components |
identify tools and equipment used to diagnose diesel emission control systems and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to diesel emission control systems and their components |
| describe procedures used to diagnose diesel emission control systems |
| identify materials that can be reconditioned, reused or recycled |
| B-8.03.03L |
demonstrate knowledge of regulatory requirements pertaining to diesel emission control systems |
identify codes, standards and regulations pertaining to diesel emission control systems |
Range of Variables
- diesel emission control systems include: EGR, PCV, Selective Catalyst Reduction (SCR), diesel exhaust fluid (DEF), diesel oxidation catalyst (DOC), diesel particulate filter (DPF); variable geometry turbocharger (VGT)
- components include: EGR valve/particulate filter/cooler, DEF tank/heater/injector, gaskets, seals, sensors, fastening devices
- diesel emissions include: CO, CO², NOx, HC, O², particulates
- warning indicators include: warning messages, warning lights, audible signals
- procedures used to diagnose include: verify concern, perform inspections, retrieve DTCs, access service information, conduct tests and measurements, isolate fault and identify root cause
- tools and equipment include: scan tools, vacuum gauges, smoke generators, leak detectors, DMMs, oscilloscopes, opacity meter, refractometer
- hazards include: corrosive diesel exhaust fluid, high temperature, noxious fumes
Task B-9 Repairs diesel engine support systems
Task Descriptor
Automotive service technicians repair and maintain diesel engine support systems according to manufacturers’ service information.
B-9.01 - Repairs diesel fuel delivery and injection systems
B-9.01 - Repairs diesel fuel delivery and injection systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-9.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-9.01.02P |
select and use diesel fuel delivery and injection system components for repair |
diesel fuel delivery and injection system components are selected and used according to repair requirements and manufacturers’ service information |
| B-9.01.03P |
depressurize diesel fuel delivery and injection systems |
diesel fuel delivery and injection systems are depressurized according to manufacturers’ service information to remove and disassemble system |
| B-9.01.04P |
remove, service or replace diesel fuel delivery and injection system components |
diesel fuel delivery and injection system components are removed, serviced or replaced according to manufacturers’ service information |
| B-9.01.05P |
perform maintenance procedures |
maintenance procedures are performed according to manufacturers’ service information |
| B-9.01.06P |
pressurize and bleed diesel fuel delivery and injection systems |
diesel fuel delivery and injection systems are pressurized and bled according to manufacturers’ service information |
| B-9.01.07P |
remove, clean and replace components |
components are removed, cleaned and replaced according to manufacturers’ service information |
| B-9.01.08P |
perform diesel fuel injection system timing procedures |
diesel fuel injection system timing procedures are performed according to manufacturers’ service information |
| B-9.01.09P |
verify repair |
repair is verified by system re-test and road test |
Range of Variables
- tools and equipment include: fuel pressure gauges, fuel pressure relief devices, fuel transfer, storage equipment, scan tools, hand tools, air tools, power tools, reprogramming equipment
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- diesel fuel delivery and injection systems include: direct injection, indirect injection, electronic, mechanical, common rail systems, hydraulic
- components include: fuel filters, tanks, lines, hoses, pumps, gaskets, seals, fastening devices, fuel water separators
- maintenance procedures include: performing fuel treatment, removing water, replacing filter
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-9.01.01L |
demonstrate knowledge of diesel fuel delivery and injection systems, their components, characteristics, applications and operation |
identify types of diesel fuel delivery and injection systems and their components, and describe their characteristics and applications |
| describe operating principles of diesel fuel delivery and injection systems and their components |
| identify types of pre-heat systems and describe their purpose and operation |
| identify related systems and describe their relationship to diesel fuel delivery and injection systems |
| B-9.01.02L |
demonstrate knowledge of procedures used to repair diesel fuel delivery and injection systems and their components |
identify tools and equipment used to repair diesel fuel delivery and injection systems and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to diesel fuel delivery and injection systems and their components |
| describe procedures used to remove and reinstall diesel fuel delivery and injection systems and components |
| describe procedures used to repair diesel fuel delivery and injection systems |
| describe maintenance procedures |
| describe procedures used to verify repair |
| identify materials that can be reconditioned, reused or recycled |
| B-9.01.03L |
demonstrate knowledge of regulatory requirements pertaining to diesel fuel delivery and injection systems |
identify codes, standards and regulations pertaining to diesel fuel delivery and injection systems |
Range of Variables
- diesel fuel delivery and injection systems include: direct injection, indirect injection, electronic, mechanical, common rail systems, hydraulic
- components include: fuel filters, tanks, lines, hoses, pumps, gaskets, seals, fastening devices, fuel water separators
- pre-heat systems include: glow plugs, intake heaters, timers
- related systems include: intake and exhaust, emission control
- tools and equipment include: fuel pressure gauges, fuel pressure relief devices, fuel transfer, storage equipment, scan tools, hand tools, air tools, power tools, reprogramming equipment
- hazards include: high pressure, high injector voltage, diesel fuel contamination (bacteria)
- maintenance procedures include: performing fuel treatment, removing water, replacing filter
B-9.02 - Repairs diesel intake and exhaust systems
B-9.02 - Repairs diesel intake and exhaust systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-9.02.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-9.02.02P |
select and use diesel intake and exhaust system components to perform repair |
diesel intake and exhaust system components are selected and used according to repair requirements and manufacturers’ service information |
| B-9.02.03P |
remove and replace diesel intake and exhaust system components |
diesel intake and exhaust system components are removed and replaced |
| B-9.02.04P |
perform maintenance procedures |
maintenance procedures are performed according to manufacturers’ service information |
| B-9.02.05P |
verify repair |
repair is verified by system re-test and road test |
Range of Variables
- tools and equipment include: scan tools, hand tools, air tools, power tools, pyrometers, reprogramming equipment
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- components include: manifolds, mufflers, air charge coolers (intercoolers), turbochargers, gaskets, seals, sealants, fastening devices
- maintenance procedures include: cleaning passages, replacing filters, priming, lubricating and servicing turbocharger systems
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-9.02.01L |
demonstrate knowledge of diesel intake and exhaust systems, their components characteristics, applications and operation |
identify types of diesel intake and exhaust systems and their components, and describe their characteristics and applications |
| describe operating principles of diesel intake and exhaust systems, and their components |
| B-9.02.02L |
demonstrate knowledge of procedures used to repair diesel intake and exhaust systems, and their components |
identify tools and equipment used to repair diesel intake and exhaust systems, and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to diesel intake and exhaust systems, and their components |
| describe procedures used to repair diesel intake and exhaust systems, and their components |
| identify types and sources of diesel intake and exhaust system faults |
| describe procedures used to adjust, repair and replace components |
| describe procedures used to perform decarbonisation of turbocharger systems |
| describe manufacturers’ specific maintenance procedures |
| describe procedures used to verify repair |
| identify materials that can be reconditioned, reused or recycled |
| B-9.02.03L |
demonstrate knowledge of regulatory requirements pertaining to diesel intake and exhaust systems |
identify codes, standards and regulations pertaining to diesel intake and exhaust systems |
Range of Variables
- components include: manifolds, mufflers, air charge coolers (intercoolers), turbochargers, gaskets, seals, sealants, fastening devices
- tools and equipment include: scan tools, hand tools, air tools, power tools, pyrometers, reprogramming equipment
- hazards include: high temperature, noxious fumes, run away condition, engine overspeed
- maintenance procedures include: cleaning passages, replacing filters, priming, lubricating and servicing turbocharger systems
B-9.03 - Repairs diesel emission control systems
B-9.03 - Repairs diesel emission control systems
| NL |
NS |
PE |
NB |
QC |
ON |
MB |
SK |
AB |
BC |
NT |
YT |
NU |
| yes |
yes |
NV |
yes |
ND |
yes |
yes |
yes |
yes |
yes |
NV |
NV |
NV |
Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| B-9.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| B-9.03.02P |
select and use components for repair |
components are selected and used according to repair requirements and manufacturers’ service information |
| B-9.03.03P |
remove and replace diesel emission control systems and components |
diesel emission control systems and components are removed and replaced according to manufacturers’ service information |
| B-9.03.04P |
perform maintenance procedures |
maintenance procedures are performed according to manufacturers’ service information |
| B-9.03.05P |
verify repair |
repair is verified by system re-test and road test |
Range of Variables
- tools and equipment include: scan tools, hand tools, air tools, power tools, vacuum gauges, smoke generators, leak detectors, DMMs, oscilloscopes, reprogramming equipment, opacity meter
- manufacturers’ service information includes: maintenance schedule, specifications, recommendations, procedures, standards, bulletins, schematics
- components include: EGR valve/particulate filter/cooler, DEF tank/heater/injector, gaskets, seals, sensors, fastening devices
- diesel emission control systems include: EGR, PCV, SCR, DEF, DOC, DPF, VGT
- maintenance procedures include: cleaning EGR system and restricted passages, replacing filters, performing regeneration procedures
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| B-9.03.01L |
demonstrate knowledge of diesel emission control systems, their components, characteristics, applications and operation |
identify diesel emission control systems and their components, and describe their characteristics and applications |
| describe operating principles of diesel emission control systems and their components |
| identify types of diesel emissions and how they are formed |
| B-9.03.02L |
demonstrate knowledge of procedures used to repair diesel emission control systems and their components |
identify tools and equipment used to repair diesel emission control systems and their components, and describe their characteristics, applications and procedures for use |
| identify hazards and describe safe work practices pertaining to diesel emission control systems and their components |
| describe procedures used to repair diesel emission control systems |
| describe procedures used to service, repair and replace diesel emission control systems and components |
| describe maintenance procedures |
| describe procedures used to verify repair |
| identify materials that can be reconditioned, reused or recycled |
| B-9.03.03L |
demonstrate knowledge of regulatory requirements pertaining to diesel emission control systems |
identify codes, standards and regulations pertaining to diesel emission control systems |
Range of Variables
- diesel emission control systems include: EGR, PCV, SCR, DEF, DOC, DPF, VGT
- components include: EGR valve/particulate filter/cooler, DEF tank/heater/injector, gaskets, seals, sensors, fastening devices
- diesel emissions include: CO, CO², NOx, HC, O², particulates
- tools and equipment include: scan tools, hand tools, air tools, power tools, vacuum gauges, smoke generators, leak detectors, DMMs, oscilloscopes, reprogramming equipment, opacity meter
- hazards include: high temperature, noxious fumes, corrosive diesel exhaust fluid
- maintenance procedures include: cleaning EGR system and restricted passages, replacing filters, performing regeneration procedures