Major Work Activity F - Diagnoses and services electric and electronic systems
Table of contents
- Task F-16 Diagnoses electric and electronic systems
- Task F-17 Services electric and electronic systems
Task F-16 Diagnoses electric and electronic systems
Task Descriptor
Transport trailer technicians inspect electric and electronic systems to locate problems and recommend required repairs.
F-16.01 Diagnoses lighting systems
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | NV | NV | NV | yes | yes | ND | yes | yes | NV | NV | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| F-16.01.01P | select and use tools and equipment | tools and equipment are selected and used according to task and manufacturers’ specifications |
| F-16.01.02P | perform tests using tools and equipment | tests are performed using tools and equipment |
| F-16.01.03P | perform visual inspection of lighting systems | visual inspection of lighting systems is performed to verify operation and jurisdictional regulations |
| F-16.01.04P | isolate and identify problems with lighting systems | problems with lighting systems are isolated and identified using external source of power |
| F-16.01.05P | distinguish between lighting component fault and wiring problems | lighting component fault and wiring problems are identified |
| F-16.01.06P | interpret diagnostic results | diagnostic results are interpreted to determine next steps |
Range of variables
- tools and equipment include: multimeters, light testers, continuity testers, external power sources, power probes
- problems include: flickering light, opaque lens, failed light emitting diodes (LED), missing or poor attachments, dimness, broken and corroded pins, poorly sealed junction boxes
- next steps include: repairs, component replacement, further diagnosis
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| F-16.01.01L | demonstrate knowledge of lighting systems, their components, characteristics, applications and operation | identify types of lighting systems and their components, and describe their characteristics, applications and operation |
| describe principles of electrical theory | ||
| F-16.01.02L | demonstrate knowledge of procedures to diagnose lighting systems and their components | identify tools and equipment used to diagnose lights and their components, and describe their applications and procedures for use |
| describe procedures to diagnose lights and their components | ||
| identify hazards and describe safe work practices while diagnosing lights and their components | ||
| identify inspections and tests performed to diagnose lights and their components | ||
| identify possible problems found while performing inspections and tests | ||
| F-16.01.03L | demonstrate knowledge of regulatory requirements to diagnose lighting systems and their components | identify and interpret standards and regulations to diagnose lighting systems and their components |
Range of variables
- components include: connections, rubber mounts, mounting hardware, harnesses, plug-ins, reflectors
- applications include: interior, marker, signal, brake, taillights, warning lights
- types of lighting systems include: LEDs, incandescent
- principles of electrical theory include: Ohm’s Law (current draw, resistance, voltage), series circuits, parallel circuits, series/parallel circuits
- tools and equipment include: multimeters, light testers, continuity testers, external power sources, power probes
- hazards include: flammable, explosive and toxic cargos
- problems include: flickering light, opaque lens, failed light emitting diodes (LED), missing or poor attachments, dimness, broken and corroded pins, poorly sealed junction boxes
F-16.02 Diagnoses wiring systems
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | NV | NV | NV | yes | yes | ND | yes | yes | NV | NV | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| F-16.02.01P | select and use tools and equipment | tools and equipment are selected and used according to task and manufacturers’ specifications |
| F-16.02.02P | perform tests using tools and equipment | tests are performed using tools and equipment |
| F-16.02.03P | perform visual inspections of wiring and connections | visual inspections of wiring and connections are performed to identify problems |
| F-16.02.04P | interpret diagnostic results | diagnostic results are interpreted to determine next steps |
Range of variables
- tools and equipment include: multimeters, light testers, continuity testers, power probes, remote power sources, thermal imaging devices
- problems include: corroded pigtails, disconnected or broken wires, shorts, worn insulation, tripped breakers and failed fuses, damaged switches
- next steps include: repairs, component replacement, further diagnosis
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| F-16.02.01L | demonstrate knowledge of wiring systems, their components, characteristics, applications and operation | identify wiring systems, their components, and their types of housings, and describe their characteristics, applications and operation |
| identify types and gauges of wires, and describe their characteristics and applications | ||
| explain colour coding of wires within harnesses | ||
| identify types of harnesses required for wiring applications | ||
| describe principles of electrical theory | ||
| F-16.02.02L | demonstrate knowledge of procedures to diagnose wiring systems | identify tools and equipment used to diagnose wiring systems, and describe their applications and procedures for use |
| describe procedures to diagnose wiring systems | ||
| identify hazards and describe safe work practices while diagnosing wiring systems | ||
| identify inspections and tests performed to diagnose wiring systems | ||
| identify possible problems found while performing inspections and tests |
Range of variables
- components include: circuit breakers, fuses, switches, conduits, wire connectors, harnesses
- types of housings include: vapour-proof, explosion proof, waterproof, conduit
- gauges of wires include: 8, 10, 12, 14, 16
- principles of electrical theory include: Ohm’s Law (current draw, resistance, voltage), series circuits, parallel circuits, series/parallel circuits
- tools and equipment include: multimeters, light testers, continuity testers, power probes, remote power sources, thermal imaging devices
- hazards include: flammable, explosive and toxic cargos
- problems include: corroded pigtails, disconnected or broken wires, shorts, worn insulation, tripped breakers and failed fuses, damaged switches
F-16.03 Diagnoses trailer monitoring and control systems
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | NV | NV | NV | yes | yes | ND | yes | yes | NV | NV | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| F-16.03.01P | select and use tools and equipment | tools and equipment are selected and used according to task and manufacturers’ specifications |
| F-16.03.02P | identify symptoms of problems | symptoms of problems are identified by consulting with customer or operator |
| F-16.03.03P | operate equipment to reproduce symptoms | equipment is operated to reproduce symptoms |
| F-16.03.04P | perform visual inspection of trailer monitoring and control systems and their components | visual inspection of trailer monitoring and control systems and their components to identify problems |
| F-16.03.05P | perform tests and diagnostics | tests and diagnostics are performed |
| F-16.03.06P | interpret schematics | schematics are interpreted to locate and identify components |
| F-16.03.07P | interpret results to determine required actions | results are interpreted to determine required actions |
Range of variables
- tools and equipment include: multimeters, laptops, onboard diagnostic systems, OEM specialty tools
- symptoms of problems include: service codes, alarms
- components include: batteries, fuses, relays, actuators, alternators, switches, harnesses, diodes, connectors, sensors, wiring, controllers, grounds
- problems include: corrosion, burnt components, broken wire connections, damaged harnesses, faulty sensors
- tests and diagnostics include: circuit tests, component tests, service code diagnostics, communications systems
- required actions include: cleaning connections, replacing components, soldering wires, further diagnosis, installing software
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| F-16.03.01L | demonstrate knowledge of trailer monitoring and control systems, their components, characteristics, applications and operation | identify types of trailer monitoring and control systems, and their components, and describe their characteristics, applications and operation |
| describe electronic subsystems and describe their characteristics, applications and operation | ||
| describe principles of electrical and electronic theory | ||
| identify gauges of electrical wiring and types of connectors | ||
| identify equipment accessories and options | ||
| F-16.03.02L | demonstrate knowledge of procedures to diagnose trailer monitoring and control systems and their components | identify tools and equipment used to diagnose trailer monitoring and control systems and their components, and describe their applications and procedures for use |
| describe procedures to diagnose trailer monitoring and control systems and their components | ||
| identify inspections, tests and diagnostics performed to diagnose trailer monitoring and control systems and their components | ||
| interpret results of tests and diagnostics | ||
| identify possible problems found while performing tests and diagnostics | ||
| identify diagnostic resources | ||
| interpret schematics and flow charts |
Range of variables
- components include: batteries, fuses, relays, actuators, alternators, switches, harnesses, diodes, connectors, sensors, wiring, controllers, grounds
- types of trailer monitoring and control systems include: temperatures, doors, ABS, roll over, tire pressures, global positioning system (GPS)
- principles of electrical and electronic theory include: Ohm’s Law (current draw, resistance, voltage), series circuits, parallel circuits, series/parallel circuits, diodes, transistors
- equipment accessories and options include: data collection, GPS
- tools and equipment include: multimeters, laptops, onboard diagnostic systems, OEM specialty tools
- tests and diagnostics include: circuit tests, component tests, service code diagnostics, communications systems
- problems include: corrosion, burnt components, broken wire connections, damaged harnesses, faulty sensors
- diagnostic resources include: technical manual, manufacturer technical assistance, qualified trade experts
Task F-17 Services electric and electronic systems
Task Descriptor
Transport trailer technicians perform maintenance and repairs to electric and electronic systems related to the operation of the unit. All repairs must be done to meet company policies and procedures as well as jurisdictional regulatory requirements.
F-17.01 Maintains electric and electronic systems
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | NV | NV | NV | yes | yes | ND | yes | yes | NV | NV | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| F-17.01.01P | select and use tools and equipment | tools and equipment are selected and used according to task and manufacturers’ specifications |
| F-17.01.02P | perform preventative maintenance checks | preventative maintenance checks are performed according to company policies and procedures, manufacturers’ maintenance procedures and schedules, and jurisdictional regulations |
| F-17.01.03P | clean and adjust components | components are cleaned and adjusted to prevent failure |
| F-17.01.04P | ensure that wiring is secured to prevent damage and premature wear | wiring is secured to prevent damage and premature wear |
| F-17.01.05P | select anticorrosive products and apply to receptacles | anticorrosive products are selected and applied to receptacles according to company policies and procedures |
| F-17.01.06P | update software | software is updated according to manufacturers’ specifications |
| F-17.01.07P | test and service batteries | batteries are tested and serviced according to manufacturers’ specifications |
Range of variables
- components include: connections, rubber mounts, mounting hardware, harnesses, plug-ins, reflectors, circuit breakers, fuses, switches, conduits, wire connectors, batteries, relays, actuators, alternators, diodes, sensors, wiring, controllers, grounds
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| F-17.01.01L | demonstrate knowledge of electric and electronic systems, their components, characteristics, applications and operation | identify types of electric and electronic systems and their components, and describe their characteristics, applications and operation |
| identify types of lights and their components, and describe their characteristics, applications and operation | ||
| identify types of connections and their components, and describe their characteristics, applications and operation | ||
| identify types and gauges of wires and describe their characteristics and applications | ||
| explain colour coding of wires within harnesses | ||
| identify types and number of harnesses required for wiring applications | ||
| F-17.01.02L | demonstrate knowledge of battery safety, construction, design, diagnostics and service | identify construction and design of batteries |
| describe operation of batteries | ||
| describe procedures to test and service batteries | ||
| F-17.01.03L | demonstrate knowledge of procedures to maintain electric and electronic systems, and their components | identify tools and equipment used to maintain electric and electronic systems, and their components, and describe their applications and procedures for use |
| describe procedures to maintain electric and electronic systems, and their components | ||
| identify hazards and safe work practices while maintaining electric and electronic systems, and their components |
Range of variables
- components include: connections, rubber mounts, mounting hardware, harnesses, plug-ins, reflectors, circuit breakers, fuses, switches, conduits, wire connectors, batteries, relays, actuators, alternators, diodes, sensors, wiring, controllers, grounds
- types of lights include: LEDs, incandescent
- applications include: marker, signal, brake, taillights, warning lights
- types of connections include: vapour-proof, explosion proof, waterproof
- types of wires include: copper, communications wiring
- gauges of wires include: 8, 10, 12, 14, 16
- procedures include: discharging static charge, updating software
- hazards include: flammable, explosive and toxic cargos
F-17.02 Repairs lighting and wiring systems
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | NV | NV | NV | yes | yes | ND | yes | yes | NV | NV | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| F-17.02.01P | select and use tools and equipment | tools and equipment are selected and used according to task and manufacturers’ specifications |
| F-17.02.02P | remove and test components | components are removed and tested |
| F-17.02.03P | repair components | components are repaired according to manufacturers’ specifications |
| F-17.02.04P | refasten loose or unsecured wiring and harnesses | loose or unsecured wiring and harnesses are refastened according to manufacturers’ specifications |
| F-17.02.05P | replace or reinstall components | components are replaced or reinstalled according to according to manufacturers’ specifications |
| F-17.02.06P | diagnose and replace batteries | batteries are diagnosed and replaced according to manufacturers’ specifications |
| F-17.02.07P | complete repair | repair is completed by verifying operation of lighting and wiring systems |
Range of variables
- tools and equipment include: multimeters, light testers, wire strippers and crimpers, soldering irons
- components include: sockets, harnesses, receptacles, connections, bulbs, lenses, marker, signal, brake, taillights, warning lights, switches
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| F-17.02.01L | demonstrate knowledge of lighting and wiring systems, their components, characteristics, applications and operation | identify types of lighting and wiring systems and their components, and describe their characteristics, applications and operation |
| identify types of lights and their components, and describe their characteristics, applications and operation | ||
| identify types of connections and their components, and describe their characteristics, applications and operation | ||
| identify types and gauges of wires and describe their characteristics and applications | ||
| explain colour coding of wires within harnesses | ||
| identify types and number of harnesses required for wiring applications | ||
| F-17.02.02L | demonstrate knowledge of procedures to repair lighting and wiring systems, and their components | identify tools and equipment used to repair lighting and wiring systems, and their components, and describe their applications and procedures for use |
| describe procedures to remove, repair, replace, reinstall and refasten lighting and wiring system components | ||
| identify hazards and safe work practices while performing repairs | ||
| describe procedures to verify repair of lighting and wiring systems, and their components | ||
| identify lighting and wiring repair materials | ||
| identify types of lights that can be repaired or replaced | ||
| F-17.02.03L | demonstrate knowledge of battery diagnostic procedures | identify tools used to diagnose batteries, and describe their applications and procedures for use |
| interpret battery diagnostic results | ||
| F-17.02.04L | demonstrate knowledge of regulatory requirements to repair lighting and wiring systems | identify and interpret standards and regulations to repair lighting and wiring systems |
| describe regulations governing locations and condition of lighting, reflectors and reflective tape |
Range of variables
- components include: sockets, harnesses, receptacles, connections, bulbs, lenses, marker, signal, brake, taillights, warning lights, switches
- types of lights include: LEDs, incandescent
- types of connections include: vapour-proof, explosion proof, waterproof
- types of wires include: copper, communications wiring
- gauges of wires include: 8, 10, 12, 14, 16
- tools and equipment include: multimeters, light testers, wire strippers and crimpers, soldering irons
- hazards include: flammable, explosive and toxic cargos
- repair materials include: solder, wiring connectors, heat shrink tubing, electrical tape
F-17.03 Repairs trailer monitoring and control systems
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NV | yes | NV | NV | NV | yes | yes | ND | yes | yes | NV | NV | ND |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| F-17.03.01P | select and use tools and equipment | tools and equipment are selected and used according to task and manufacturers’ specifications |
| F-17.03.02P | replace failed electrical and electronic components | failed electrical and electronic components are replaced |
| F-17.03.03P | repair components | components are repaired according to manufacturers’ specifications |
| F-17.03.04P | reinstall components | components are reinstalled according to manufacturers’ specifications |
| F-17.03.05P | complete repair | repair is completed by verifying operation of trailer monitoring and control systems |
Range of variables
- tools and equipment include: onboard diagnostics, electronic connection interface, OEM specialty tools
- components include: batteries, fuses, relays, actuators, alternators, switches, harnesses, diodes, connectors, sensors, wiring, controllers, grounds
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| F-17.03.01L | demonstrate knowledge of trailer monitoring and control systems, their components, characteristics, applications and operation | identify types of trailer monitoring and control systems, and their components, and describe their characteristics, applications and operation |
| describe electronic subsystems and describe their characteristics, applications and operation | ||
| describe principles of electrical and electronic theory | ||
| identify gauges of electrical wiring and types of connectors | ||
| identify equipment accessories and options | ||
| F-17.03.02L | demonstrate knowledge of procedures to repair trailer monitoring and control systems and their components | identify tools and equipment used to repair trailer monitoring and control systems and their components, and describe their applications and procedures for use |
| describe procedures to repair, replace and reinstall trailer monitoring and control system components | ||
| describe verification procedures for repair |
Range of variables
- components include: batteries, fuses, relays, actuators, alternators, switches, harnesses, diodes, connectors, sensors, wiring, controllers, grounds
- electronic subsystems include: input, control, output
- principles of electrical and electronic theory include: Ohm’s Law (current draw, resistance, voltage), series circuits, parallel circuits, series/parallel circuits, diodes, transistors
- equipment accessories and options include: data collection, GPS
- tools and equipment include: onboard diagnostics, electronic connection interface, OEM specialty tools