Table of Contents
Task D-15 Services, diagnoses and repairs battery systems
Task Descriptor
Truck and transport mechanics need to understand low-voltage battery systems, their applications and limitations in order to service, diagnose and repair them safely. Safety is an important consideration when working with battery systems.
D-15.01 - Services battery systems
D-15.01 - Services battery systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-15.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-15.01.02P |
clean battery components |
battery components are cleaned |
| D-15.01.03P |
perform sensory inspection |
sensory inspection of battery system is performed to identify defects |
| D-15.01.04P |
test batteries |
batteries are tested to confirm they maintain charge |
| D-15.01.05P |
measure specific gravity of each cell |
specific gravity of each cell is measured |
| D-15.01.06P |
compare test results to manufacturers’ specifications and standards or expected values |
test results are compared to manufacturers’ service information or expected values |
| D-15.01.07P |
replace faulty and damaged batteries |
faulty and damaged batteries are replaced |
| D-15.01.08P |
adjust electrolyte levels |
electrolyte levels are adjusted |
| D-15.01.09P |
recharge batteries |
batteries are recharged according to manufacturers’ service information |
| D-15.01.10P |
disconnect and connect batteries in sequence |
batteries are disconnected and connected in sequence according to manufacturers’ service information |
| D-15.01.11P |
apply anti-corrosion compounds to terminals and connections |
anti-corrosion compounds are applied to terminals and connections according to manufacturers’ service information |
| D-15.01.12P |
recycle and dispose of batteries |
batteries are recycled and disposed of according to jurisdictional regulations |
| D-15.01.13P |
record service information and inspection findings |
service information and inspection findings are recorded according to manufacturers’ requirements for warranty, and for future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, specialized testing equipment, multimeters, carbon pile, inductance testers, hydrometers, refractometers, electronic service tools
- manufacturers’ service information include: specifications, standards, procedures
- components include: terminals, connections, casing, compartment
- defects include: corroded and loose terminals, missing caps, damaged casing, loose and missing battery securement (hold-downs), low electrolyte
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-15.01.01L |
demonstrate knowledge of battery systems, their components, characteristics, applications and operation |
identify types of battery systems and their components, and describe their characteristics and applications |
| describe operating principles of battery systems and their components |
| identify types of batteries and their components, and describe their characteristics and applications |
| identify battery ratings |
| describe battery maintenance schedules |
| D-15.01.02L |
demonstrate knowledge of procedures to service battery systems and their components |
identify tools and equipment used to service battery systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to battery systems and their components |
| describe procedures to inspect battery systems and their components |
| describe procedures to test battery systems and their components |
| describe procedures to service battery systems and their components |
| describe procedures to remove, replace, recharge, recycle and dispose of batteries |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-15.01.03L |
demonstrate knowledge of regulatory requirements pertaining to recycling and disposal of batteries |
identify and interpret standards and regulations pertaining to recycling and disposal of batteries |
| D-15.01.04L |
demonstrate knowledge of emerging technologies and practices pertaining to battery systems |
identify technologies and practices that contribute to net zero and carbon neutral commitments |
| identify technologies that address emissions and pollution, and describe their characteristics and applications |
Range of Variables
- components include: terminals, connections, casing, compartment
- types of battery systems include: parallel, series, series/parallel
- types of batteries include: sealed, vented, absorbed glass mat (AGM), gel cell, lithium, capacitor
- battery ratings include: cranking amps (CA), cold cranking amps (CCA), reserve capacity (RC), amp hour, voltages
- tools and equipment include: hand tools, specialized testing equipment, multimeters, carbon pile, inductance testers, hydrometers, refractometers, electronic service tools
- hazards include: shocks, sparks, explosive gases, acid spillage, acid burns, electrical burns, heavy weight, lead exposure
D-15.02 - Diagnoses battery systems
D-15.02 - Diagnoses battery systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-15.02.01P |
identify symptoms of problems |
symptoms of problems are identified by consulting with customer or operator |
| D-15.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-15.02.03P |
perform sensory inspection |
sensory inspection of battery system is performed to identify defects |
| D-15.02.04P |
test batteries |
batteries are tested to assess condition and capacity |
| D-15.02.05P |
measure specific gravity |
specific gravity is measured to assess condition of each cell for lack of clarity due to sulfating and for correct electrolyte value according to manufacturers’ service information |
| D-15.02.06P |
perform voltage drop on cable systems |
voltage drop on cable systems is performed according to manufacturers’ service information |
| D-15.02.07P |
compare test results to manufacturers’ service information or expected values |
test results are compared to manufacturers’ service information or expected values to verify diagnosis |
| D-15.02.08P |
perform failure analysis |
failure analysis is performed to determine root cause of failure |
| D-15.02.09P |
interpret diagnostic results |
diagnostic results are interpreted to determine next steps |
Range of Variables
- symptoms of problems include:no start, hard start, battery smells, battery compartment smoking, noises, charging issues
- tools and equipment include: hand tools, specialized testing equipment, multimeters, carbon pile, inductance testers, hydrometers, refractometers, electronic service tools
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- defects include: corroded and loose terminals, missing caps, casing damage, loose and missing battery securement (hold-downs), low electrolyte
- failures include: parasitic amperage draw, overcharging, undercharging, loose connections, corroded connections, frozen battery, low open circuit voltage
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-15.02.01L |
demonstrate knowledge of battery systems, their components, characteristics, applications and operation |
identify types of battery systems and their components, and describe their characteristics and applications |
| describe operating principles of battery systems and their components |
| identify types of batteries and their components, and describe their characteristics and applications |
| identify battery ratings |
| describe battery maintenance schedules |
| D-15.02.02L |
demonstrate knowledge of procedures to diagnose battery systems and their components |
identify tools and equipment used to diagnose battery systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to battery systems and their components |
| describe procedures to inspect battery systems and their components |
| describe procedures to test battery systems and their components |
| describe procedures to diagnose battery systems and their components |
| describe common causes and symptoms of problems |
| identify defects and failures found in battery systems |
| identify procedures and safe work practices to boost vehicles |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-15.02.03L |
demonstrate knowledge of emerging technologies and practices pertaining to battery systems |
identify technologies and practices that contribute to net zero and carbon neutral commitments |
| identify technologies that address emissions and pollution, and describe their characteristics and applications |
Range of Variables
- components include: terminals, connections, casing, compartment
- types of battery systems include: parallel, series, series/parallel,
- types of batteries include: sealed, vented, AGM, gel cell, lithium, capacitor
- battery ratings include: CA, CCA, RC, amp-hour
- tools and equipment include: hand tools, specialized testing equipment, multimeters, carbon pile, inductance testers, hydrometers, refractometers, electronic service tools
- hazards include: shocks, sparks, explosive gases, acid spillage, acid burns, electrical burns, heavy weight, lead exposure
- symptoms of problems include:no start, hard start, battery smells, battery compartment smoking, noises, charging issues
- defects include: corroded and loose terminals, missing caps, casing damage, loose and missing battery securement (hold-downs), low electrolyte
- failures include: parasitic amperage draw, overcharging, undercharging, loose connections, corroded connections, frozen battery, low open circuit voltage
D-15.03 - Repairs battery systems
D-15.03 - Repairs battery systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-15.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-15.03.02P |
clean battery components |
battery components are cleaned |
| D-15.03.03P |
disconnect and connect batteries in sequence |
batteries are disconnected and connected in sequence according to manufacturers’ service information |
| D-15.03.04P |
replace faulty and damaged batteries |
faulty and damaged batteries are replaced |
| D-15.03.05P |
apply anti-corrosion compounds to terminals and connections |
anti-corrosion compounds are applied to terminals and connections according to manufacturers’ service information |
| D-15.03.06P |
replace and repair connecting cables |
connecting cables are replaced and repaired according to manufacturers’ service information |
| D-15.03.07P |
check battery hold-downs and compartment |
battery hold-downs and compartment are checked to ensure they are secure and in good condition |
| D-15.03.08P |
recharge batteries |
batteries are recharged according to manufacturers’ service information |
| D-15.03.09P |
recycle or dispose of batteries |
batteries are recycled or disposed of according to jurisdictional regulations |
| D-15.03.10P |
document repairs and verifications performed |
repairs and verifications performed are documented for warranty, liability, future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, lifting equipment, electronic service tools
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- components include: terminals, connections, compartment
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-15.03.01L |
demonstrate knowledge of battery systems, their components, characteristics, applications and operation |
identify types of battery systems and their components, and describe their characteristics and applications |
| describe operating principles of battery systems and their components |
| identify types of batteries and their components, and describe their characteristics and applications |
| identify battery ratings |
| D-15.03.02L |
demonstrate knowledge of procedures to repair battery systems and their components |
identify tools and equipment used to repair battery systems and their components, and describe their applications and procedures for use |
| describe procedures to repair battery systems and their components |
| describe procedures to remove, replace, recharge, recycle and dispose of batteries |
| identify hazards and describe safe work practices pertaining to battery systems and their components |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-15.03.03L |
demonstrate knowledge of regulatory requirements pertaining to recycling and disposal of batteries |
identify and interpret standards and regulations pertaining to recycling and disposal of batteries |
| D-15.03.04L |
demonstrate knowledge of emerging technologies and practices pertaining to battery systems |
identify technologies and practices that contribute to net zero and carbon neutral commitments |
| identify technologies that address emissions and pollution, and describe their characteristics and applications |
Range of Variables
- components include: terminals, connections, compartment
- types of battery systems include: parallel, series, series/parallel
- types of batteries include: sealed, vented, AGM, gel cell, lithium, capacitor
- battery ratings include: CA, CCA, RC, amp-hour
- tools and equipment include: hand tools, lifting equipment, electronic service tools
- hazards include: shocks, sparks, explosive gases, acid spillage, acid burns, electrical burns, heavy weight, lead exposure
Task D-16 Services, diagnoses and repairs charging systems
Task Descriptor
Truck and transport mechanics must have a good understanding of the different vehicle charging systems, their operation and components.
D-16.01 - Services charging systems
D-16.01 - Services charging systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-16.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-16.01.02P |
clean terminals and connections of components |
terminals and connections of components are cleaned according to manufacturers’ service information |
| D-16.01.03P |
perform sensory inspections |
sensory inspections are performed to identify worn, damaged and defective components |
| D-16.01.04P |
adjust voltage regulator and belt tension |
voltage regulator and belt tension are adjusted according to manufacturers’ service information |
| D-16.01.05P |
record service information and inspection findings |
service information and inspection findings are recorded according to manufacturers’ requirements for warranty, and for future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, belt tension gauges, torque wrenches, carbon pile testers, multimeters
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards
- components include: alternators, internal and external regulators, diodes, wiring, relays, belts, cooling fins, ECMs, mounting hardware
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-16.01.01L |
demonstrate knowledge of charging systems, their components, characteristics, applications and operation |
identify types of charging systems and their components, and describe their characteristics and applications |
| describe operating principles of charging systems and their components |
| describe basic principles of electricity and circuit components |
| identify types of alternators and their components, and describe their ratings, characteristics, applications and operation |
| D-16.01.02L |
demonstrate knowledge of procedures to service charging systems and their components |
identify tools and equipment used to service charging systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to charging systems and their components |
| describe procedures to inspect charging systems and their components |
| describe procedures to clean and adjust charging system components |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-16.01.03L |
demonstrate knowledge of emerging technologies and practices pertaining to charging systems |
identify technologies that address emissions and pollution, and describe their characteristics and applications |
Range of Variables
- components include: alternators, internal and external regulators, diodes, wiring, relays, belts, cooling fins, ECMs, mounting hardware
- types of charging systems include: A or B regulator, 12-volt and 24-volt batteries, externally or internally regulated, solid-state chargers
- types of alternators include: air/oil cooled, belt-driven, gear-driven
- tools and equipment include: hand tools, belt tension gauges, torque wrenches, carbon pile testers, multimeters
- hazards include: sparks, moving components, burns, shocks, battery explosions, noises
D-16.02 - Diagnoses charging systems
D-16.02 - Diagnoses charging systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-16.02.01P |
identify symptoms of problems |
symptoms of problems are identified by consulting with customer or operator |
| D-16.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-16.02.03P |
perform sensory inspections |
sensory inspections are performed to identify worn, damaged and defective components to confirm complaint and establish preliminary diagnosis |
| D-16.02.04P |
perform tests |
tests are performed according to manufacturers’ service information |
| D-16.02.05P |
perform diagnostic procedure |
diagnostic procedure is performed by following manufacturers’ service information to determine failure |
| D-16.02.06P |
compare test results to manufacturers’ service information or expected values |
test results are compared to manufacturers’ service information or expected values to verify diagnosis |
| D-16.02.07P |
perform failure analysis |
failure analysis is performed to determine root cause of failure |
| D-16.02.08P |
interpret diagnostic results |
diagnostic results are interpreted to determine next steps |
Range of Variables
- symptoms of problems include: overcharging, undercharging, warning lights, smells, failed lights, components not working, dead battery, noises
- tools and equipment include: hand tools, belt tension gauges, torque wrenches, carbon pile testers, multimeters, inductance testers, electronic service tools
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- components include: alternators, internal and external regulators, diodes, wiring, relays, belts, cooling fins, ECMs, mounting hardware
- tests include: full fielding alternator, voltage drop of cables, alternator output, checking fault codes
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-16.02.01L |
demonstrate knowledge of charging systems, their components, characteristics, applications and operation |
identify types of charging systems and their components, and describe their characteristics and applications |
| describe operating principles of charging systems and their components |
| describe basic principles of electricity and circuit components |
| identify types of alternators and their components, and describe their ratings, characteristics, applications and operation |
| D-16.02.02L |
demonstrate knowledge of procedures to diagnose charging systems and their components |
identify tools and equipment used to diagnose charging systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to charging systems and their components |
| describe procedures to inspect charging systems and their components |
| describe procedures to test charging systems and their components |
| describe procedures to diagnose charging systems and their components |
| describe common causes and symptoms of problems |
| identify common faults found when diagnosing charging systems |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-16.02.03L |
demonstrate knowledge of emerging technologies and practices pertaining to charging systems |
identify technologies that address emissions and pollution, and describe their characteristics and applications |
Range of Variables
- components include: alternators, internal and external regulators, diodes, wiring, relays, belts, cooling fins, ECMs, mounting hardware
- types of charging systems include: A or B regulator, 12-volt and 24-volt batteries, externally or internally regulated, solid-state chargers
- types of alternators include: air/oil cooled, belt-driven, gear-driven
- tools and equipment include: hand tools, belt tension gauges, torque wrenches, carbon pile testers, multimeters, inductance testers, electronic service tools
- hazards include: sparks, moving components, burns, shocks, battery explosions, noises
- symptoms of problems include: overcharging, undercharging, warning lights, smells, failed lights, components not working, dead battery, noises
D-16.03 - Repairs charging systems
D-16.03 - Repairs charging systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-16.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-16.03.02P |
remove and replace worn, damaged and faulty components |
worn, damaged and faulty components are removed and replaced according to manufacturers’ service information |
| D-16.03.03P |
adjust belt tension |
belt tension is adjusted according to manufacturers’ service information |
| D-16.03.04P |
construct and repair cables |
cables are constructed and repaired by crimping and soldering connectors and terminals |
| D-16.03.05P |
rebuild, repair or replace alternator |
alternator is rebuilt or repaired by testing and replacing failed components, or replaced according to manufacturers’ service information |
| D-16.03.06P |
verify repairs |
repairs are verified using methods |
| D-16.03.07P |
document repairs and verifications performed |
repairs and verifications performed are documented for warranty, liability, future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, belt tension gauges, torque wrenches, carbon pile testers, multimeters, inductance testers, cable crimpers, soldering tools, electronic service tools
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- components include: alternators, internal and external regulators, diodes, wiring, relays, belts, cooling fins, ECMs, mounting hardware
- methods include: full fielding, bench testing, on-vehicle testing, checking fault codes
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-16.03.01L |
demonstrate knowledge of charging systems, their components, characteristics, applications and operation |
identify types of charging systems and their components, and describe their characteristics and applications |
| describe operating principles of charging systems and their components |
| describe basic principles of electricity and circuit components |
| identify types of alternators and their components, and describe their ratings, characteristics, applications and operation |
| D-16.03.02L |
demonstrate knowledge of procedures to repair charging systems and their components |
identify tools and equipment used to repair charging systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to charging systems and their components |
| describe procedures to remove, replace, adjust, rebuild and repair charging systems and their components |
| describe procedures to excite alternators |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-16.03.03L |
demonstrate knowledge of emerging technologies and practices pertaining to charging systems |
identify technologies that address emissions and pollution, and describe their characteristics and applications |
| identify emerging technologies pertaining to testing charging systems |
Range of Variables
- components include: alternators, internal and external regulators, diodes, wiring, relays, belts, cooling fins, ECMs, mounting hardware
- types of charging systems include: A or B regulator, 12-volt and 24-volt batteries, externally or internally regulated, solid-state chargers
- types of alternators include: air/oil cooled, belt-driven, gear-driven
- tools and equipment include: hand tools, belt tension gauges, torque wrenches, carbon pile testers, multimeters, inductance testers, cable crimpers, soldering tools, electronic service tools
- hazards include: sparks, moving components, burns, shocks, battery explosions, noises
Task D-17 Services, diagnoses and repairs spark ignition systems
Task Descriptor
Spark ignition systems are being reintroduced into the truck and transport industry through alternate fuel sources that reduce greenhouse gas emissions and costs. Although there have been some changes due to technological advances, the basic principles are still applicable today.
Truck and transport mechanics service, diagnose and repair spark ignition systems to ensure proper function and reduce down time.
D-17.01 - Services spark ignition systems
D-17.01 - Services spark ignition systems
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MB |
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-17.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-17.01.02P |
perform sensory inspections |
sensory inspections are performed to identify defects |
| D-17.01.03P |
replace components |
components are replaced according to manufacturers’ service information |
| D-17.01.04P |
adjust spark plug gap |
spark plug gap is adjusted according to manufacturers’ service information |
| D-17.01.05P |
record service information and inspection findings |
service information and inspection findings are recorded according to manufacturers’ requirements for warranty, and for future reference and tracking |
Range of Variables
- tools and equipment include: scan tools, electronic service tools, oscilloscopes, spark testers, spark plug gaping tools, feeler gauges
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards
- defects include: damaged wires, coil terminals and spark plugs
- components include: spark plugs, coils, high-tension wires, ECMs
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-17.01.01L |
demonstrate knowledge of spark ignition systems, their components, characteristics, applications and operation |
identify types of spark ignition systems and their components, and describe their characteristics and applications |
| describe operating principles of spark ignition systems and their components |
| describe electrical fundamentals |
| describe engine operating principles |
| D-17.01.02L |
demonstrate knowledge of procedures to service spark ignition systems and their components |
identify tools and equipment used to service spark ignition systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to spark ignition systems and their components |
| describe procedures to inspect spark ignition systems and their components |
| describe procedures to measure, adjust and replace spark ignition system components |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-17.01.03L |
demonstrate knowledge of emerging technologies and practices pertaining to spark ignition systems |
identify technologies that address emissions and pollution, and describe their characteristics and applications |
Range of Variables
- components include: spark plugs, coils, high-tension wires, ECMs
- engine operating principles include: firing order, ignition timing, combustion cycle
- tools and equipment include: scan tools, electronic service tools, oscilloscopes, spark testers, spark plug gaping tools, feeler gauges
- hazards include: shocks, sparks, moving components, burns, noises
D-17.02 - Diagnoses spark ignition systems
D-17.02 - Diagnoses spark ignition systems
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Skills
| Reference Code |
Performance Criteria |
Evidence of Attainment |
| D-17.02.01P |
identify symptoms of problems |
symptoms of problems are identified by consulting with customer or operator |
| D-17.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-17.02.03P |
perform sensory inspections |
sensory inspections are performed to identify defects |
| D-17.02.04P |
perform tests |
tests are performed according to manufacturers’ service information |
| D-17.02.05P |
perform diagnostic procedure |
diagnostic procedure is performed by following manufacturers’ service information to determine failure |
| D-17.02.06P |
compare test results to manufacturers’ service information or expected values |
test results are compared to manufacturers’ service information or expected values to verify diagnosis |
| D-17.02.07P |
interpret diagnostic results |
diagnostic results are interpreted to determine next steps |
Range of Variables
- symptoms of problems include:intermittent problems, no start, hard starting, misfiring, fuel economy issues
- tools and equipment include: scan tools, electronic service tools, oscilloscopes, spark testers, spark plug gaping tools, feeler gauges, multimeters
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- defects include: damaged wires, coil terminals, spark plugs, distributor caps and rotors
- tests include: measure coil resistance in primary and secondary circuits, spark testing, high tension leads
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-17.02.01L |
demonstrate knowledge of spark ignition systems, their components, characteristics, applications and operation |
identify types of spark ignition systems and their components, and describe their characteristics and applications |
| describe operating principles of spark ignition systems and their components |
| describe electrical fundamentals |
| describe engine operating principles |
| D-17.02.02L |
demonstrate knowledge of procedures to diagnose spark ignition systems and their components |
identify tools and equipment used to diagnose spark ignition systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to spark ignition systems and their components |
| describe procedures to inspect spark ignition systems and their components |
| describe procedures to test spark ignition systems and their components |
| describe procedures to diagnose spark ignition systems and their components |
| describe common causes and symptoms of problems |
| identify common faults found in spark ignition systems |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-17.02.03L |
demonstrate knowledge of emerging technologies and practices pertaining to spark ignition systems |
identify technologies that address emissions and pollution, and describe their characteristics and applications |
| identify emerging technologies pertaining to other non-green technologies |
Range of Variables
- components include: spark plugs, coils, high-tension wires, modules, distributor caps and rotors
- engine operating principles include: firing order, ignition timing, combustion cycle
- tools and equipment include: scan tools, electronic service tools, oscilloscopes, spark testers, spark plug gaping tools, feeler gauges, multimeters
- hazards include: shocks, sparks, moving components, burns, noises
- symptoms of problems include:intermittent problems, no start, hard starting, misfiring, fuel economy issues
- common faults include: faulty wiring, low voltage, faulty ECMs, poor grounds, faulty spark plugs, faulty coils, faulty high-tension wires, faulty distributor caps and rotors
D-17.03 - Repairs spark ignition systems
D-17.03 - Repairs spark 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 |
| D-17.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-17.03.02P |
perform sensory inspections |
sensory inspections are performed to identify defects |
| D-17.03.03P |
replace and repair components |
components are replaced and repaired according to manufacturers’ service information |
| D-17.03.04P |
adjust spark plug gap |
spark plug gap is adjusted according to manufacturers’ service information |
| D-17.03.05P |
verify repairs |
repairs are verified using methods while running engine at operating condition |
| D-17.03.06P |
document repairs and verifications performed |
repairs and verifications performed are documented for warranty, liability, future reference and tracking |
Range of Variables
- tools and equipment include: scan tools, electronic service tools, oscilloscopes, spark testers, spark plug gaping tools, feeler gauges, multimeters
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards
- defects include: damaged wires, coil terminals, spark plugs, distributor caps and rotors
- components include: plugs, coils, high-tension wires, wiring, modules, distributor caps and rotors
- methods include: road testing, checking fault codes, re-testing oscilloscope readings
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-17.03.01L |
demonstrate knowledge of spark ignition systems, their components, characteristics, applications and operation |
identify types of spark ignition systems and their components, and describe their characteristics and applications |
| describe operating principles of spark ignition systems and their components |
| describe electrical fundamentals |
| describe engine operating principles |
| D-17.03.02L |
demonstrate knowledge of procedures to repair spark ignition systems and their components |
identify tools and equipment used to repair spark ignition systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to spark ignition systems and their components |
| describe procedures to inspect spark ignition systems and their components |
| describe procedures to measure, adjust, replace and repair spark ignition system components |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-17.03.03L |
demonstrate knowledge of emerging technologies and practices pertaining to spark ignition systems |
identify technologies that address emissions and pollution, and describe their characteristics and applications |
| identify emerging technologies pertaining to other non-green technologies |
Range of Variables
- components include: plugs, coils, high-tension wires, wiring, modules, distributor caps and rotors
- engine operating principles include: firing order, ignition timing, combustion cycle
- tools and equipment include: scan tools, electronic service tools, oscilloscopes, spark testers, spark plug gaping tools, feeler gauges, multimeters
- hazards include: shocks, sparks, moving components, burns, noises
Task D-18 Services, diagnoses and repairs starting systems
Task Descriptor
Truck and transport mechanics must have a good understanding of starting systems, their operation and components in order to safely service, diagnose and repair them.
D-18.01 - Services starting systems
D-18.01 - Services starting 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 |
| D-18.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-18.01.02P |
perform sensory inspections |
sensory inspections are performed to identify defects |
| D-18.01.03P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-18.01.04P |
perform tests |
tests are performed according to manufacturers’ service information |
Range of Variables
- tools and equipment include: hand tools, carbon pile testers, multimeters, electronic service tools, test lights
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards
- defects include: loose, worn and corroded cables; loose starter mountings; loose and corroded magnetic switch connections; arcing connections
- components (to be cleaned) include: connections, terminals
- tests include: starter amp draw, voltage drop cables, neutral safety system
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-18.01.01L |
demonstrate knowledge of starting systems, their components, characteristics, applications and operation |
identify types of starting systems and their components, and describe their characteristics and applications |
| describe operating principles of starting systems and their components |
| interpret information pertaining to starting systems found in manufacturers’ service information |
| describe safety interlock devices designed to prevent starting of vehicle in an unsafe condition |
| describe basic principles of electricity and circuit components |
| D-18.01.02L |
demonstrate knowledge of procedures to service starting systems and their components |
identify tools and equipment used to service starting systems and their components, and describe their applications and procedures for use |
| describe procedures to service starting systems and their components |
| describe procedures to inspect starting systems and their components |
| identify hazards and describe safe work practices pertaining to starting systems and their components |
| identify defects found in starting systems |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-18.01.03L |
demonstrate knowledge of emerging technologies and practices pertaining to starting systems |
identify technologies and practices that contribute to net zero and carbon neutral commitments |
| identify technologies that address emissions and pollution, and describe their characteristics and applications |
| identify emerging technologies pertaining to other non-green technologies |
Range of Variables
- components include: starters, ECMs, solenoids, relays, cables, connections, terminals, ignition switches, wiring
- types of starting systems include: 12-volt, 24-volt
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards
- tools and equipment include: hand tools, carbon pile testers, multimeters, electronic service tools, test lights
- hazards include: shocks, sparks, moving components, burns, noises, lead and toxic metal exposure
- defects include: loose, worn and corroded cables; loose starter mountings; loose and corroded magnetic switch connections; arcing connections
D-18.02 - Diagnoses starting systems
D-18.02 - Diagnoses starting 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 |
| D-18.02.01P |
identify symptoms of problems |
symptoms of problems are identified by consulting with customer or operator |
| D-18.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-18.02.03P |
perform sensory inspections |
sensory inspections are performed to identify defects |
| D-18.02.04P |
perform tests |
tests are performed according to manufacturers’ service information |
| D-18.02.05P |
perform diagnostic procedure |
diagnostic procedure is performed by following manufacturers’ service information to determine failure |
| D-18.02.06P |
compare test results to manufacturers’ service information or expected values |
test results are compared to manufacturers’ service information or expected values to verify diagnosis |
| D-18.02.07P |
perform failure analysis |
failure analysis is performed to determine root cause of failure |
| D-18.02.08P |
interpret diagnostic results |
diagnostic results are interpreted to determine next steps |
Range of Variables
- symptoms of problems include:no, slow or constant cranking; intermittent operation; noisy starter operation
- tools and equipment include: hand tools, carbon pile testers, multimeters, electronic service tools, test lights
- manufacturers’ service information include: specifications, recommendations, procedures, standards, logic diagrams
- defects include: loose, worn and corroded cables; loose starter mountings; loose and corroded magnetic switch connections; arcing connections
- tests include: starter draw, voltage drop, fault codes
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-18.02.01L |
demonstrate knowledge of starting systems, their components, characteristics, applications and operation |
identify types of starting systems and their components, and describe their characteristics and applications |
| describe operating principles of starting systems and their components |
| describe basic principles of electricity and circuit components |
| interpret information pertaining to starting systems found in manufacturers’ service information |
| describe safety interlock devices designed to prevent starting of vehicle in an unsafe condition |
| D-18.02.02L |
demonstrate knowledge of procedures to diagnose starting systems and their components |
identify tools and equipment used to diagnose starting systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to starting systems and their components |
| describe procedures to inspect starting systems and their components |
| describe procedures to test starting systems and their components |
| describe procedures to diagnose starting systems and their components |
| describe common causes and symptoms of problems |
| describe common faults found while inspecting starting systems and their components |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-18.02.03L |
demonstrate knowledge of regulatory requirements pertaining to neutral safety systems |
identify and interpret standards and jurisdictional regulations pertaining to neutral safety systems |
| D-18.02.04L |
demonstrate knowledge of emerging technologies and practices pertaining to starting systems |
identify technologies and practices that contribute to net zero and carbon neutral commitments |
| identify technologies that address emissions and pollution, and describe their characteristics and applications |
| identify emerging technologies pertaining to other non-green technologies |
Range of Variables
- components include: starters, modules, solenoids, relays, cables, connections, terminals, ignition switches, wiring
- types of starting systems include: 12-volt, 24-volt
- manufacturers’ service information include: specifications, recommendations, procedures, standards, logic diagrams
- tools and equipment include: hand tools, carbon pile testers, multimeters, electronic service tools, test lights
- hazards include: shocks, sparks, moving components, burns, noises, lead and toxic metal exposure
- symptoms of problems include:no, slow or constant cranking; intermittent operation; noisy starter operation
- common faults include: dead battery, frayed cables, high resistance in cables and connections, excess starter draw, burnt and corroded solenoid contacts
D-18.03 - Repairs starting systems
D-18.03 - Repairs starting 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 |
| D-18.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-18.03.02P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-18.03.03P |
remove and replace starter |
starter is removed and replaced according to manufacturers’ service information |
| D-18.03.04P |
replace components |
components are replaced according to manufacturers’ service information |
| D-18.03.05P |
rebuild starter |
starter is rebuilt using methods according to manufacturers’ service information |
| D-18.03.06P |
verify repairs |
repairs are verified using methods |
| D-18.03.07P |
document repairs and verifications performed |
repairs and verifications performed are documented for warranty, liability, future reference and tracking |
Range of Variables
- tools and equipment include: carbon pile testers, multimeters, electronic service tools, test lights, armature growlers
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- components (to be cleaned) include: connections, terminals
- components (to be replaced) include: solenoids, relays, cables, connections, ignition switches, modules, interlock switches
- methods (to rebuild starter) include: replacing solenoid, brushes, bushings and starter drives; testing armatures and field windings; setting starter drive air gap
- methods (to verify repairs) include: testing bench and starter draw, verifying fault codes
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-18.03.01L |
demonstrate knowledge of starting systems, their components, characteristics, applications and operation |
identify types of starting systems and their components, and describe their characteristics and applications |
| describe operating principles of starting systems and their components |
| interpret information pertaining to starting systems found in manufacturers’ service information |
| describe basic principles of electricity and circuit components |
| describe safety interlock devices designed to prevent starting of vehicle in an unsafe condition |
| D-18.03.02L |
demonstrate knowledge of procedures to repair starting systems and their components |
identify tools and equipment used to repair starting systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to starting systems and their components |
| describe procedures to replace, clean and repair starting system components |
| describe procedures to rebuild starters |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-18.03.03L |
demonstrate knowledge of regulatory requirements pertaining to neutral safety systems |
identify and interpret standards and jurisdictional regulations pertaining to neutral safety systems |
| D-18.03.04L |
demonstrate knowledge of emerging technologies and practices pertaining to starting systems |
identify technologies and practices that contribute to net zero and carbon neutral commitments |
| identify technologies that address emissions and pollution, and describe their characteristics and applications |
| identify emerging technologies pertaining to other non-green technologies |
Range of Variables
- components include: connections, terminals, solenoids, relays, cables, ignition switches, modules, interlock switches
- types of starting systems include: 12-volt, 24-volt
- manufacturers’ service information include: specifications, recommendations, procedures, standards
- tools and equipment include: carbon pile testers, multimeters, electronic service tools, test lights, armature growlers
- hazards include: shocks, sparks, moving components, burns, noises, lead and toxic metal exposure, heavy components
Task D-19 Services, diagnoses and repairs electrical components and accessories
Task Descriptor
Truck and transport mechanics must be able to service, diagnose and repair electrical system faults using multimeters and specialized tools in order to return the vehicle to service. They must have a good understanding of the basic principles of electricity and circuitry.
D-19.01 - Services electrical components and accessories
D-19.01 - Services electrical components and accessories
| 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 |
| D-19.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-19.01.02P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-19.01.03P |
perform sensory inspections |
sensory inspections are performed to identify worn, damaged and defective components and connections |
| D-19.01.04P |
identify high-voltage electrical systems requiring specialized training and safety precautions |
high-voltage electrical systems requiring specialized training and safety precautions are identified |
| D-19.01.05P |
identify and tighten loose connections |
loose connections are identified and tightened according to manufacturers’ service information |
| D-19.01.06P |
apply anti-corrosion compound |
anti-corrosion compound is applied according to manufacturers’ service information |
| D-19.01.07P |
record service information and inspection findings |
service information and inspection findings are recorded according to manufacturers’ requirements for warranty, and for future reference and tracking |
Range of Variables
- tools and equipment include: hand tools, multimeters, test lights, terminal cleaning tools
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins
- components (to be cleaned) include: corroded terminals, sockets, junction boxes
- components include: terminals, sockets, junction boxes, light bulbs, fuses, harnesses, plug‑in connectors, wiring, resistors, relays, switches, diodes, breakers
- high-voltage electrical systems include: hybrid, EV, lighting (fluorescents, dash lights)
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-19.01.01L |
demonstrate knowledge of electrical components and accessories, their characteristics, applications and operation |
identify types of electrical components and accessories, and describe their characteristics and applications |
| describe operating principles of electricity and electrical components and accessories |
| interpret wiring schematics and logic diagrams |
| identify systems with stored energy sources |
| D-19.01.02L |
demonstrate knowledge of high-voltage electrical systems, their characteristics, applications and operation |
identify hazards and describe safe work practices pertaining to high-voltage electrical systems and their components and accessories |
| D-19.01.03L |
demonstrate knowledge of procedures to service electrical components and accessories |
identify tools and equipment used to service electrical components and accessories, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to electrical components and accessories |
| describe procedures to inspect electrical components and accessories |
| describe procedures to clean electrical components and accessories |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-19.01.04L |
demonstrate knowledge of emerging technologies and practices pertaining to electrical components |
identify technologies and practices that contribute to net zero and carbon neutral commitments |
| identify technologies that address emissions and pollution, and describe their characteristics and applications |
| identify emerging technologies pertaining to other non-green technologies |
Range of Variables
- components include: terminals, sockets, junction boxes, light bulbs, fuses, harnesses, plug‑in connectors, wiring, resistors, relays, switches, diodes, breakers
- accessories include: driving lights, rotary beacons, block heaters, auxiliary power units, seat heaters
- high-voltage electrical systems include: hybrid, EV, lighting (fluorescents, dash lights)
- hazards include: electrocution, shocks, sparks, moving parts
- tools and equipment include: hand tools, multimeters, test lights, terminal cleaning tools
D-19.02 - Diagnoses electrical components and accessories
D-19.02 - Diagnoses electrical components and accessories
| 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 |
| D-19.02.01P |
identify symptoms of problems |
symptoms of problems are identified by consulting with customer or operator |
| D-19.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-19.02.03P |
perform sensory inspections |
sensory inspections are performed to identify worn, damaged and defective components and connections |
| D-19.02.04P |
identify high-voltage electrical systems requiring specialized training and safety precautions |
high-voltage electrical systems requiring specialized training and safety precautions are identified |
| D-19.02.05P |
perform tests |
tests are performed according to manufacturers’ service information |
| D-19.02.06P |
perform diagnostic procedure |
diagnostic procedure is performed by following manufacturers’ service information to determine failure |
| D-19.02.07P |
compare test results to manufacturers’ service information or expected values |
test results are compared to manufacturers’ service information or expected values to verify diagnosis |
| D-19.02.08P |
perform failure analysis |
failure analysis is performed on components and accessories to determine root cause of failure |
| D-19.02.09P |
record test results and inspection findings |
test results and inspection findings are recorded according to manufacturers’ service information |
| D-19.02.10P |
interpret diagnostic results |
diagnostic results are interpreted to determine next steps |
Range of Variables
- symptoms of problems include: blown fuses, dim or bright lighting, components not operating, noises, smells, smoke, hot components
- tools and equipment include: multimeters, test lights,hand tools
- manufacturers’ service information include: specifications, recommendations, procedures, standards, service bulletins, logic diagrams
- components include: terminals, sockets, junction boxes, light bulbs, fuses, harnesses, plug‑in connectors, wiring, resistors, relays, switches, diodes, breakers
- high-voltage electrical systems include: hybrid, EV, lighting (fluorescents, dash lights)
- tests include: measuring voltage, amperage and resistance values in electrical circuits
- accessories include: driving lights, rotary beacons, block heaters, auxiliary power units, seat heaters
- next steps include: repairs, component replacement or adjustment, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-19.02.01L |
demonstrate knowledge of electrical components and accessories, their characteristics, applications and operation |
identify types of electrical components and accessories, and describe their characteristics and applications |
| describe operating principles of electricity and electrical components and accessories |
| interpret wiring schematics and logic diagrams |
| identify systems with stored energy sources |
| D-19.02.02L |
demonstrate knowledge of high-voltage electrical systems, their characteristics, applications and operation |
identify hazards and describe safe work practices pertaining to high-voltage electrical systems |
| D-19.02.03L |
demonstrate knowledge of procedures to diagnose electrical components and accessories |
identify tools and equipment used to diagnose electrical components and accessories, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to electrical components and accessories |
| describe procedures to inspect electrical components and accessories |
| describe procedures to test electrical components and accessories |
| describe procedures to diagnose electrical components and accessories |
| describe common causes and symptoms of problems |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-19.02.04L |
demonstrate knowledge of emerging technologies and practices pertaining to electrical components and accessories |
identify technologies and practices that contribute to net zero and carbon neutral commitments |
| identify technologies that address emissions and pollution, and describe their characteristics and applications |
| identify emerging technologies pertaining to other non-green technologies |
Range of Variables
- components include: terminals, sockets, junction boxes, light bulbs, fuses, harnesses, plug‑in connectors, wiring, resistors, relays, switches, diodes, breakers
- accessories include: driving lights, rotary beacons, block heaters, auxiliary power units, seat heaters
- high-voltage electrical systems include: hybrid, EV, lighting (fluorescents, dash lights)
- tools and equipment include: multimeters, test lights,hand tools
- hazards include: electrocution, shocks, sparks, moving parts
- symptoms of problems include: blown fuses, dim or bright lighting, components not operating, noises, smells, smoke, hot components
D-19.03 - Repairs electrical components and accessories
D-19.03 - Repairs electrical components and accessories
| 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 |
| D-19.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-19.03.02P |
clean components |
components are cleaned according to manufacturers’ service information |
| D-19.03.03P |
identify high-voltage electrical systems requiring specialized training and safety precautions |
high-voltage electrical systems requiring specialized training and safety precautions are identified |
| D-19.03.04P |
replace components and accessories |
components and accessories are replaced according to manufacturers’ service information |
| D-19.03.05P |
repair components |
components are repaired according to manufacturers’ service information |
| D-19.03.06P |
identify and tighten loose connections |
loose connections are identified and tightened according to manufacturers’ service information |
| D-19.03.07P |
apply anti-corrosion compound |
anti-corrosion compound is applied according to manufacturers’ service information |
| D-19.03.08P |
select and match components to electrical load |
components are selected and matched to electrical load according to manufacturers’ service information |
| D-19.03.09P |
install optional accessories |
optional accessories are installed according to manufacturers’ service information |
| D-19.03.10P |
recycle and dispose of consumables |
consumables are recycled and disposed of according to jurisdictional regulations |
| D-19.03.11P |
verify repairs |
repairs are verified under normal operating conditions to ensure it is within manufacturers’ service information |
| D-19.03.12P |
document repairs and verifications performed |
repairs and verifications performed are documented for warranty, liability, future reference and tracking |
Range of Variables
- tools and equipment include: multimeters, test lights,hand tools, terminal and connector repair tools
- manufacturers’ service information include: specifications, recommendations, procedures, standards, service bulletins
- components (to be cleaned) include: corroded terminals, sockets, junction boxes
- high-voltage electrical systems include: hybrid, EV, lighting (fluorescents, dash lights)
- components (to be replaced) include:light bulbs, fuses, harnesses, plug‑in connectors, switches, relays, breakers
- accessories include: driving lights, rotary beacons, block heaters, auxiliary power units, seat heaters
- components (to be repaired) include: faulty wiring, corroded terminals, sockets and connectors
- components (to be matched to electrical load) include: wiring, resistors, fuses, relays, switches, diodes
- consumables include: light ballast, fluorescent lighting
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-19.03.01L |
demonstrate knowledge of electrical components and accessories, their characteristics, applications and operation |
identify types of electrical components and accessories, and describe their characteristics and applications |
| describe operating principles of electricity and electrical components |
| interpret wiring schematics and logic diagrams |
| identify systems with stored energy sources |
| D-19.03.02L |
demonstrate knowledge of high-voltage electrical systems, their characteristics, applications and operation |
identify hazards and describe safe work practices pertaining to high-voltage electrical systems |
| D-19.03.03L |
demonstrate knowledge of procedures to repair electrical components and accessories |
identify tools and equipment used to repair electrical components and accessories, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to electrical components and accessories |
| describe procedures to clean, replace and repair electrical components and accessories |
| describe procedures to recycle and dispose of electrical components, accessories and consumables |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-19.03.04L |
demonstrate knowledge of emerging technologies and practices pertaining to electrical components |
identify technologies and practices that contribute to net zero and carbon neutral commitments |
| identify technologies that address emissions and pollution, and describe their characteristics and applications |
| identify emerging technologies pertaining to other non-green technologies |
Range of Variables
- components include: terminals, sockets, junction boxes, light bulbs, fuses, harnesses, plug‑in connectors, wiring, resistors, relays, switches, diodes, breakers
- accessories include: driving lights, rotary beacons, block heaters, auxiliary power units, seat heaters
- high-voltage electrical systems include: hybrid, EV, lighting (fluorescents, dash lights)
- tools and equipment include: multimeters, test lights,hand tools, terminal and connector repair tools
- hazards include: electrocution, shocks, sparks, moving parts
- consumables include: light ballast, fluorescent lighting
Task D-20 Services, diagnoses and repairs vehicle management systems and electronic components
Task Descriptor
Technological advancement throughout the industry has resulted in more complex vehicle management and electronic systems. Truck and transport mechanics must have a good understanding of the integration between vehicle management systems and other electronic components in a multiplex wiring system.
D-20.01 - Services vehicle management systems and electronic components
D-20.01 - Services vehicle management systems and electronic components
| 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 |
| D-20.01.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-20.01.02P |
perform sensory inspections |
sensory inspections are performed to identify component securement, loose and faulty wiring, and damages according to manufacturers’ service information |
| D-20.01.03P |
check and manage fault codes |
fault codes are checked and managed according to manufacturers’ service information |
| D-20.01.04P |
perform software updates |
software updates are performed according to manufacturers’ service information |
| D-20.01.05P |
record service information and inspection findings |
service information and inspection findings are recorded according to manufacturers’ requirements for warranty, and for future reference and tracking |
Range of Variables
- tools and equipment include: electronic service tools, scan tools, multimeters, oscilloscope
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards, information bulletins
- components include: actuators, sensors, ECMs, multi-function controls, wiring, connectors, data links, communication plugs, terminating resistors
- damages include: overheating and exposure to moisture and contaminants, gauges not sweeping, communication problems, low voltage, failed modules, poor grounds, failed or out of adjustment sensors
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-20.01.01L |
demonstrate knowledge of vehicle management systems, their components, characteristics, applications and operation |
identify types of vehicle management systems and their components, and describe their characteristics and applications |
| describe operating principles of vehicle management systems and their components |
| identify and interpret manufacturers’ service information |
| describe communication protocols, their characteristics and applications |
| describe network structure and components, their characteristics and applications |
| identify data links and describe network communication between modules |
| D-20.01.02L |
demonstrate knowledge of procedures to service vehicle management systems and their components |
identify tools and equipment used to service vehicle management systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to vehicle management systems and their components |
| describe procedures to inspect vehicle management systems and their components |
| describe procedures to service vehicle management systems and their components |
| describe handling procedures for electronic components |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-20.01.03L |
demonstrate knowledge of emerging technologies and practices pertaining to vehicle management systems and electronic components |
identify technologies and practices that contribute to net zero and carbon neutral commitments |
| identify technologies that address emissions and pollution, and describe their characteristics and applications |
| identify emerging technologies pertaining to other non-green technologies |
Range of Variables
- components include: actuators, sensors, ECMs, multi-function controls, wiring, connectors, data links, communication plugs, terminating resistors
- types of vehicle management systems include: daytime running lights (DRL), ABS/traction control, vehicle stability control, driver communication, adaptive cruise control, supplemental restraint system (SRS), remote monitoring systems, lane departure systems, multiplex electrical systems
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards, information bulletins
- communication protocols include: J1939, Bluetooth, Wi-Fi
- tools and equipment include: electronic service tools, scan tools, multimeters, oscilloscope
- hazards include: shocks, sparks
- handling procedures for electronic components include: avoiding static electricity, moisture and other contaminants
D-20.02 - Diagnoses vehicle management systems and electronic components
D-20.02 - Diagnoses vehicle management systems and electronic components
| 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 |
| D-20.02.01P |
identify symptoms of problems |
symptoms of problems are identified by consulting with customer or operator |
| D-20.02.02P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-20.02.03P |
perform sensory inspections |
sensory inspections are performed to identify loose and faulty wiring, and damages |
| D-20.02.04P |
check and interpret fault codes |
fault codes are checked and interpreted according to manufacturers’ service information |
| D-20.02.05P |
perform diagnostic procedures |
diagnostic procedures are performed by following manufacturers’ service information to determine failure |
| D-20.02.06P |
perform tests |
tests are performed according to manufacturers’ service information |
| D-20.02.07P |
compare test results to manufacturers’ service information or expected values |
test results are compared to manufacturers’ service information or expected values to verify diagnosis |
| D-20.02.08P |
perform failure analysis |
failure analysis is performed to determine root cause of failure |
| D-20.02.09P |
record test results and inspection findings |
test results and inspection findings are recorded according to manufacturers’ requirements for warranty purposes |
| D-20.02.10P |
interpret diagnostic results |
diagnostic results are interpreted to determine next steps |
Range of Variables
- symptoms of problems include:intermittent or no operation, component not operating as expected, gauges not sweeping or all the time, indicator lights, dash messages
- tools and equipment include: scan tools, multimeters, oscilloscopes, electronic service tools, OEM specialty diagnostic tools, hand tools, wiring repair tools
- manufacturers’ service information include: specifications, recommendations, procedures, standards, service bulletins, logic diagrams
- damages include: overheating, exposure to moisture or other contaminants, chafed wiring, improper connections
- next steps include: repairs, component replacement or adjustment, software updates, further diagnosis
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-20.02.01L |
demonstrate knowledge of vehicle management systems, their components, characteristics, applications and operation |
identify types of vehicle management systems and their components, and describe their characteristics and applications |
| describe operating principles of vehicle management systems and their components |
| identify and interpret manufacturers’ service information |
| describe communication protocols, their characteristics and applications |
| describe network structure and components, their characteristics and applications |
| identify data links and describe network communication between modules |
| D-20.02.02L |
demonstrate knowledge of procedures to diagnose vehicle management systems and their components |
identify tools and equipment used to diagnose vehicle management systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to vehicle management systems and their components |
| describe procedures to inspect vehicle management systems and their components |
| describe procedures to test vehicle management systems and their components |
| describe procedures to diagnose vehicle management systems and their components |
| describe common causes and symptoms of problems |
| describe procedures to release stored energy |
| identify types of wiring and standards |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-20.02.03L |
demonstrate knowledge of emerging technologies and practices pertaining to vehicle management systems and their components |
identify technologies and practices that contribute to net zero and carbon neutral commitments |
| identify technologies that address emissions and pollution, and describe their characteristics and applications |
| identify emerging technologies pertaining to other non-green technologies |
Range of Variables
- components include: actuators, sensors, ECMs, multi-function controls, wiring, connectors, data links, communication plugs, terminating resistors
- types of vehicle management systems include: DRL, ABS/traction control, vehicle stability control, driver communication, adaptive cruise control, SRS, remote monitoring systems, lane departure systems, multiplex electrical systems
- manufacturers’ service information include: specifications, recommendations, procedures, standards, service bulletins, logic diagrams
- communication protocols include: J1939, Bluetooth, Wi-Fi
- tools and equipment include: scan tools, multimeters, oscilloscopes, electronic service tools, OEM specialty diagnostic tools, hand tools, wiring repair tools
- hazards include: shocks, sparks
- symptoms of problems include:intermittent or no operation, component not operating as expected, gauges not sweeping or all the time, indicator lights, dash messages
- types of wiring include: shielded, multi-strand, twisted pairs, coaxial, fibre optic, insulation
D-20.03 - Repairs vehicle management systems and electronic components
D-20.03 - Repairs vehicle management systems and electronic components
| 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 |
| D-20.03.01P |
select and use tools and equipment |
tools and equipment are selected and used according to task and manufacturers’ service information |
| D-20.03.02P |
check and perform software updates |
software updates are checked and performed according to manufacturers’ service information |
| D-20.03.03P |
remove power supply and release stored energy |
power supply is removed and stored energy is released by disconnecting power sources and allowing capacitors to discharge in SRS modules |
| D-20.03.04P |
replace components |
components are replaced according to manufacturers’ service information |
| D-20.03.05P |
repair components |
components are repaired according to manufacturers’ service information |
| D-20.03.06P |
adjust components |
components are adjusted according to manufacturers’ service information |
| D-20.03.07P |
reprogram ECM to accommodate accessories and modifications |
ECM is reprogrammed according to manufacturers’ service information to accommodate accessories and modifications |
| D-20.03.08P |
verify repairs |
repair is verified under normal operating conditions to ensure it is within manufacturers’ service information |
| D-20.03.09P |
document repairs and verifications performed |
repairs and verifications performed are documented for warranty, liability, future reference and tracking |
Range of Variables
- tools and equipment include: scan tools, multimeters, oscilloscopes, electronic service tools, OEM specialty diagnostic tools, hand tools, wiring and terminal repair tools
- manufacturers’ service information include: specifications, recommendations, procedures, standards, service bulletins, logic diagrams
- components (to be replaced) include: ECMs, connectors, switches, solenoids, sensors, terminating resistors, wiring, harnesses, actuators
- components (to be repaired) include: wiring, connectors, terminals
- components (to be adjusted) include: actuators, switches, sensors
- accessories and modifications include: addition of auxiliary lighting systems, addition of auxiliary components, change in operating characteristics
Knowledge
| Reference Code |
Learning Outcomes |
Learning Objectives |
| D-20.03.01L |
demonstrate knowledge of vehicle management systems, their components, characteristics, applications and operation |
identify types of vehicle management systems and their components, and describe their characteristics and applications |
| describe operating principles of vehicle management systems and their components |
| interpret information pertaining to vehicle management systems found in manufacturers’ service information |
| describe communication protocols, their characteristics and applications |
| describe network structure and components, their characteristics and applications |
| D-20.03.02L |
demonstrate knowledge of procedures to repair vehicle management systems and their components |
identify tools and equipment used to repair vehicle management systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to vehicle management systems and their components |
| describe procedures to release stored energy |
| describe procedures to repair vehicle management systems and their components |
| describe procedures to repair wiring |
| identify types of wiring and standards |
| describe procedures to reprogram ECMs |
| describe procedures to perform software updates |
| identify materials that can be reconditioned, reused or recycled |
| identify practices that reduce material waste |
| D-20.03.03L |
demonstrate knowledge of emerging technologies and practices pertaining to vehicle management systems and their components |
identify technologies and practices that contribute to net zero and carbon neutral commitments |
| identify technologies that address emissions and pollution, and describe their characteristics and applications |
| identify emerging technologies pertaining to other non-green technologies |
Range of Variables
- components include: actuators, sensors, ECMs, multi-function controls, wiring, connectors, data links, communication plugs, terminating resistors
- types of vehicle management systems include: DRL, ABS/traction control, vehicle stability control, driver communication, adaptive cruise control, SRS, remote monitoring systems, lane departure systems, multiplex electrical systems
- manufacturers’ service information include: specifications, recommendations, procedures, standards, service bulletins, logic diagrams
- communication protocols include: J1939, Bluetooth, Wi-Fi
- tools and equipment include: scan tools, multimeters, oscilloscopes, electronic service tools, OEM specialty diagnostic tools, hand tools, wiring and terminal repair tools
- hazards include: shocks, sparks
- procedures to repair wiringinclude: soldering, heat shrinking, terminal installation, insulation protection
- types of wiring include: shielded, multi-strand, twisted pairs, coaxial, fibre optic, insulation