Major Work Activity K - Services, diagnoses and repairs hybrid and electric vehicles (EV)
Table of Contents
- Task K-40 Services, diagnoses and repairs hybrid vehicles
- Task K-41 Services, diagnoses and repairs electric vehicles (EV)
Task K-40 Services, diagnoses and repairs hybrid vehicles
Task Descriptor
Truck and transport mechanics service, diagnose and repair electric motors, inverters, converters, high-voltage batteries and associated support systems in hybrid vehicles.
K-40.01 - Services hybrid vehicles
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | yes | NV | yes | ND | yes | yes | no | no | yes | NV | NV | NV |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| K-40.01.01P | select and use tools and equipment | tools and equipment are selected and used according to manufacturers’ service information |
| K-40.01.02P | deactivate and lock out high- and low-voltage electrical system, and engine operating system | high- and low-voltage electrical system, and engine operating system are deactivated and locked out according to vehicle training and manufacturers’ service information |
| K-40.01.03P | perform sensory inspections | sensory inspections of components are performed to identify defects |
| K-40.01.04P | remove and replace consumables | consumables are removed and replaced according to manufacturers’ service information |
| K-40.01.05P | read and clear fault codes, and update software | fault codes and read and cleared, and software is updated according to manufacturers’ service information |
| K-40.01.6P | 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: specialized PPE, safety devices, specialized digital multimeters (DMM), electronic service tools, specialized hand tools (insulated tools)
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins
- components include: modules, inverters, high-voltage batteries, drive motors, converters, wiring
- defects include: loose components, damaged wiring, leaks, inoperable drive motors, damaged components
- consumables include: filters, fluids
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| K-40.01.01L | demonstrate knowledge of hybrid vehicle systems, their components, characteristics, applications and operation | identify types ofhybrid vehicle systems and their components, and describe their characteristics and applications |
| describe operating principles of hybrid vehicle systems and their components | ||
| interpret information pertaining to hybrid vehicle systems and their components found in manufacturers’ service information | ||
| K-40.01.02L | demonstrate knowledge of procedures to service hybrid vehicle systems and their components | identify tools and equipment used to service hybrid vehicle systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to hybrid vehicle systems and their components | ||
| describe procedures to release or lock out stored energy | ||
| describe procedures to disconnect and reconnect high-voltage systems in hybrid vehicles | ||
| describe procedures to service hybrid vehicle systems and their components | ||
| describe procedures to perform software updates and read and clear fault codes | ||
| identify defects found in hybrid vehicle systems | ||
| identify materials that can be reconditioned, reused or recycled | ||
| identify practices that reduce material waste | ||
| K-40.01.03L | demonstrate knowledge of training requirements to service hybrid vehicle systems and their components | identify training requirements to service hybrid vehicle systems and their components |
| K-40.01.04L | demonstrate knowledge of emerging technologies and practices pertaining to hybrid vehicle 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 |
Range of Variables
- hybrid vehicle systems include: series, parallel, series/parallel
- components include: modules, inverters, high-voltage batteries, drive motors, converters, wiring
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins
- tools and equipment include: specialized PPE, safety devices, specialized digital multimeters (DMM), electronic service tools, specialized hand tools (insulated tools)
- hazards include: shocks, arc flash, sparks, heavy weights, falls, high working temperatures
- defects include: loose components, damaged wiring, leaks, inoperable drive motors, damaged components
K-40.02 - Diagnoses hybrid vehicles
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | yes | NV | yes | ND | yes | yes | no | no | yes | NV | NV | NV |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| K-40.02.01P | identify symptoms of problems | symptoms of problems are identified by consulting with customer or operator |
| K-40.02.02P | select and use tools and equipment | tools and equipment are selected and used according to task and manufacturers’ service information |
| K-40.02.03P | deactivate and lock out high- and low-voltage electrical system, and engine operating system | high- and low-voltage electrical system, and engine operating system are deactivated and locked out according to manufacturers’ service information |
| K-40.02.04P | perform sensory inspections | sensory inspections of components are performed to identify defects |
| K-40.02.05P | retrieve fault codes | fault codes are retrieved according to manufacturers’ service information |
| K-40.02.06P | perform tests | tests are performed according to manufacturers’ service information to pinpoint failure |
| K-40.02.07P | interpret diagnostic results | diagnostic results are interpreted according to manufacturers’ service information to determine next steps |
Range of Variables
- symptoms of problems include: lack of power, no vehicle movement, no start, noises, indicator lights, components not functioning, intermittent operation
- tools and equipment include: specialized PPE, safety devices, specialized DMMs, electronic service tools, specialized hand tools (insulated tools), manufacturer-specific tools and equipment, insulation testers
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins
- components include: modules, inverters, high-voltage batteries, drive motors, converters, wiring
- defects include: loose components, damaged wiring, leaks, inoperable drive motors, damaged components
- tests include: active, voltage and amperage, resistance check, voltage isolation, insulation, road
- next steps include: repairs, component replacement or adjustment, further diagnosis
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| K-40.02.01L | demonstrate knowledge of hybrid vehicle systems, their components, characteristics, applications and operation | identify types of hybrid vehicle systems and their components, and describe their characteristics and applications |
| describe operating principles of hybrid vehicle systems and their components | ||
| interpret information pertaining to hybrid vehicle systems and their components found in manufacturers’ service information | ||
| K-40.02.02L | demonstrate knowledge of procedures to diagnose hybrid vehicle systems and their components | identify tools and equipment used to diagnose hybrid vehicle systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to hybrid vehicle systems and their components | ||
| describe procedures to release or lock out stored energy | ||
| describe procedures to inspect hybrid vehicle systems and their components | ||
| describe procedures to test hybrid vehicle systems and their components | ||
| describe procedures to diagnose hybrid vehicle systems and their components | ||
| describe procedures to perform software updates, and read and clear fault codes | ||
| describe common causes and symptoms of problems | ||
| identify defects founds while diagnosing hybrid vehicle systems | ||
| identify materials that can be reconditioned, reused or recycled | ||
| identify practices that reduce material waste | ||
| K-40.02.03L | demonstrate knowledge of training requirements to service hybrid vehicle systems and their components | identify training requirements to service hybrid vehicle systems and their components |
| K-40.02.04L | demonstrate knowledge of emerging technologies and practices pertaining to hybrid vehicle 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 |
Range of Variables
- hybrid vehicle systems include: series, parallel, series/parallel
- components include: modules, inverters, high-voltage batteries, drive motors, converters, wiring
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins
- tools and equipment include: specialized PPE, safety devices, specialized DMMs, electronic service tools, specialized hand tools (insulated tools), manufacturer-specific tools and equipment, insulation testers
- hazards include: shocks, arc flash, sparks, falls
- symptoms of problems include: lack of power, no vehicle movement, no start, noises, indicator lights, components not functioning, intermittent operation
- defects include: loose components, damaged wiring, leaks, inoperable drive motors, damaged components
K-40.03 - Repairs hybrid vehicles
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | yes | NV | yes | ND | yes | yes | no | no | yes | NV | NV | NV |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| K-40.03.01P | select and use tools and equipment | tools and equipment are selected and used according to task and manufacturers’ service information |
| K-40.03.02P | deactivate and lock out high- and low-voltage electrical system, and engine operating system | high- and low-voltage electrical system, and engine operating system are deactivated and locked out according to manufacturers’ service information |
| K-40.03.03P | remove and inspect components | components are removed and inspected according to manufacturers’ service information |
| K-40.03.04P | replace or repair components | components are replaced or repaired according to manufacturers’ service information |
| K-40.03.05P | clear fault codes | fault codes are cleared according to manufacturers’ service information |
| K-40.03.06P | verify repairs | repairs are verified under normal operating conditions to ensure they are within manufacturers’ service information |
| K-40.03.07P | 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: specialized PPE, safety devices, specialized DMMs, electronic service tools, specialized hand tools (insulated tools), manufacturer-specific tools and equipment, insulation testers, lift-assist tools, hand tools
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins
- components include: modules, inverters, high-voltage batteries, drive motors, converters, wiring
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| K-40.03.01L | demonstrate knowledge of hybrid vehicle systems, their components, characteristics, applications and operation | identify types of hybrid vehicle systems and their components, and describe their characteristics and applications |
| describe operating principles of hybrid vehicle systems and their components | ||
| interpret information pertaining to hybrid vehicle systems and their components found in manufacturers’ service information | ||
| K-40.03.02L | demonstrate knowledge of procedures to repair hybrid vehicle systems and their components | identify tools and equipment used to repair hybrid vehicle systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to hybrid vehicle systems and their components | ||
| describe procedures to release or lock out stored energy | ||
| describe procedures to disconnect and reconnect high-voltage systems in hybrid vehicles | ||
| describe procedures to replace and repair hybrid vehicle system components | ||
| describe procedures to perform software updates, and read and clear fault codes | ||
| identify materials that can be reconditioned, reused or recycled | ||
| identify practices that reduce material waste | ||
| K-40.03.03L | demonstrate knowledge of training requirements to service hybrid vehicle systems and their components | identify training requirements to service hybrid vehicle systems and their components |
| K-40.03.04L | demonstrate knowledge of emerging technologies and practices pertaining to hybrid vehicle 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 |
Range of Variables
- hybrid vehicle systems include: series, parallel, series/parallel
- components include: modules, inverters, high-voltage batteries, drive motors, converters, wiring
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins
- tools and equipment include: specialized PPE, safety devices, specialized DMMs, electronic service tools, specialized hand tools (insulated tools), manufacturer-specific tools and equipment, insulation testers, lift-assist tools, hand tools
- hazards include: shocks, arc flash, sparks, heavy weights, falls, burns, high working temperatures
Task K-41 Services, diagnoses and repairs electric vehicles (EV)
Task Descriptor
Truck and transport mechanics work on electric motors, inverters, converters, high-voltage batteries and associated support systems in electric vehicles (EV).
K-41.01 - Services electric vehicles (EV)
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | yes | NV | yes | ND | yes | yes | no | no | yes | NV | NV | NV |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| K-41.01.01P | select and use tools and equipment | tools and equipment are selected and used according to task and manufacturers’ service information |
| K-41.01.02P | clean components | components are cleaned according to manufacturers’ service information |
| K-41.01.03P | measure charging rails | charging rails are measured according to manufacturers’ service information |
| K-41.01.04P | perform sensory inspections | sensory inspections of components are performed to identify defects |
| K-41.01.05P | deactivate and lock out high- and low-voltage electrical system, and charging devices | high- and low-voltage electrical system, and charging devices are deactivated and locked out according to vehicle training and manufacturers’ service information |
| K-41.01.06P | remove and replace consumables | consumables are removed and replaced according to manufacturers’ service information |
| K-41.01.07P | recycle and dispose of consumables | consumables are recycled and disposed of according to jurisdictional regulations |
| K-41.01.08P | replace components | components are replaced according to manufacturers’ service information |
| K-41.01.09P | read and clear fault codes, and update software | fault codes and read and cleared, and software is updated according to manufacturers’ service information |
| K-41.01.10P | 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: specialized PPE, safety devices, specialized DMMs, electronic service tools, specialized hand tools (insulated tools)
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins
- components include: modules, inverters, high-voltage batteries, drive motors, converters, wiring, charging systems
- defects include: loose components, damaged wiring, leaks, inoperable drive motors, damaged components
- consumables include: filters, fluids
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| K-41.01.01L | demonstrate knowledge of EV systems, their components, consumables, characteristics, applications and operation | identify types of EV systems and their components and consumables, and describe their characteristics and applications |
| describe operating principles of EV systems and their components | ||
| K-41.01.02L | demonstrate knowledge of procedures to service EV systems and their components | identify tools and equipment used to service EV systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to EV systems and their components | ||
| describe procedures to release or lock out stored energy | ||
| describe procedures to service EV systems and their components | ||
| describe procedures to inspect EV systems and their components | ||
| describe procedures to clean EV system components | ||
| describe procedures to measure charging rails | ||
| describe procedures to remove, replace, recycle and dispose of consumables | ||
| describe procedures to perform software updates, and read and clear fault codes | ||
| identify defects found in EV systems | ||
| identify materials that can be reconditioned, reused or recycled | ||
| identify practices that reduce material waste | ||
| K-41.01.03L | demonstrate knowledge of training requirements to service EV systems and their components | identify training requirements to service EV systems and their components |
| K-41.01.04L | demonstrate knowledge of emerging technologies and practices pertaining to EV 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 |
Range of Variables
- EV systems include: A/C drives, fast charge, plug-in, extended range
- components include: modules, inverters, high-voltage batteries, drive motors, converters, wiring, charging systems
- consumables include: filters, fluids
- tools and equipment include: specialized PPE, safety devices, specialized DMMs, electronic service tools, specialized hand tools (insulated tools)
- hazards include: shocks, arc flash, sparks, heavy weights, falls, high working temperatures
- defects include: loose components, damaged wiring, leaks, inoperable drive motors, damaged components
K-41.02 - Diagnoses electric vehicles (EV)
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | yes | NV | yes | ND | yes | yes | no | no | yes | NV | NV | NV |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| K-41.02.01P | identify symptoms of problems | symptoms of problems are identified by consulting with customer or operator |
| K-41.02.02P | select and use tools and equipment | tools and equipment are selected and used according to task and manufacturers’ service information |
| K-41.02.03P | deactivate and lock out high- and low-voltage electrical system and charging devices | high- and low-voltage electrical system and charging devices are deactivated and locked out according to manufacturers’ service information |
| K-41.02.04P | perform sensory inspections | sensory inspections of components are performed to identify defects |
| K-41.02.05P | retrieve fault codes | fault codes are retrieved according to manufacturers’ service information |
| K-41.02.06P | perform tests | tests are performed according to manufacturers’ service information to pinpoint failure |
| K-41.02.07P | interpret diagnostic results | diagnostic results are interpreted to determine next steps |
Range of Variables
- symptoms of problems include: lack of power, no vehicle movement, noises, indicator lights, components not functioning, intermittent operation
- tools and equipment include: specialized PPE, safety devices, specialized DMMs, electronic service tools, specialized hand tools (insulated tools), manufacturer-specific tools and equipment, insulation testers
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins
- components include: modules, inverters, high-voltage batteries, drive motors, converters, wiring, charging systems
- defects include: loose components, damaged wiring, leaks, inoperable drive motors, damaged components
- tests include: active, voltage and amperage, resistance check, voltage isolation, insulation, road
- next steps include: repairs, component replacement or adjustment, further diagnosis
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| K-41.02.01L | demonstrate knowledge of EV systems, their components, characteristics, applications and operation | identify types of EV systems and their components, and describe their characteristics and applications |
| describe operating principles of EV systems and their components | ||
| K-41.02.02L | demonstrate knowledge of procedures to diagnose EV systems and their components | identify tools and equipment used to diagnose EV systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to EV systems and their components | ||
| describe procedures to inspect EV systems and their components | ||
| describe procedures to test EV systems and their components | ||
| describe procedures to diagnose EV systems and their components | ||
| describe common causes and symptoms of problems | ||
| identify defects found in EV systems | ||
| identify materials that can be reconditioned, reused or recycled | ||
| identify practices that reduce material waste | ||
| K-41.02.03L | demonstrate knowledge of training requirements to service EV systems and their components | identify training requirements to service EV systems and their components |
| K-41.02.04L | demonstrate knowledge of emerging technologies and practices pertaining to EV 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 |
Range of Variables
- EV systems include: A/C drives, series, parallel, fast charge, plug-in, extended range
- components include: modules, inverters, high-voltage batteries, drive motors, converters, wiring, charging systems
- tools and equipment include: specialized PPE, safety devices, specialized DMMs, electronic service tools, specialized hand tools (insulated tools), manufacturer-specific tools and equipment, insulation testers
- hazards include: shocks, arc flash, sparks, falls, high working temperatures
- symptoms of problems include: lack of power, no vehicle movement, noises, indicator lights, components not functioning, intermittent operation
- defects include: loose components, damaged wiring, leaks, inoperable drive motors, damaged components
K-41.03 - Repairs electric vehicles (EV)
| NL | NS | PE | NB | QC | ON | MB | SK | AB | BC | NT | YT | NU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| yes | yes | NV | yes | ND | yes | yes | no | no | yes | NV | NV | NV |
| Reference Code | Performance Criteria | Evidence of Attainment |
|---|---|---|
| K-41.03.01P | select and use tools and equipment | tools and equipment are selected and used according to task and manufacturers’ service information |
| K-41.03.02P | deactivate and lock out high- and low-voltage electrical system, and engine operating system | high- and low-voltage electrical system, and engine operating system are deactivated and locked out according to manufacturers’ service information |
| K-41.03.03P | remove and inspect components | components are removed and inspected according to manufacturers’ service information |
| K-41.03.04P | replace or repair components | components are replaced or repaired according to manufacturers’ service information |
| K-41.03.05P | clear fault codes | fault codes are cleared according to manufacturers’ service information |
| K-41.03.06P | verify repairs | repairs are verified under normal operating conditions to ensure it is within manufacturers’ service information |
| K-41.03.07P | 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: specialized PPE, safety devices, specialized DMMs, electronic service tools, specialized hand tools (insulated tools), manufacturer-specific tools and equipment, insulation testers, lifting tools
- manufacturers’ service information include: maintenance schedule, specifications, recommendations, procedures, standards, service bulletins
- components include: modules, inverters, high-voltage batteries, drive motors, converters, wiring, charging systems
| Reference Code | Learning Outcomes | Learning Objectives |
|---|---|---|
| K-41.03.01L | demonstrate knowledge of EV systems, their components, characteristics, applications and operation | identify types of EV systems and their components, and describe their characteristics and applications |
| describe operating principles of EV systems and their components | ||
| K-41.03.02L | demonstrate knowledge of procedures to repair EV systems and their components | identify tools and equipment used to repair EV systems and their components, and describe their applications and procedures for use |
| identify hazards and describe safe work practices pertaining to EV systems and their components | ||
| describe procedures to release or lock out stored energy | ||
| describe procedures to repair and replace EV system components | ||
| describe procedures to perform software updates, and read and clear fault codes | ||
| identify materials that can be reconditioned, reused or recycled | ||
| identify practices that reduce material waste | ||
| K-41.03.03L | demonstrate knowledge of training requirements to service EV systems and their components | identify training requirements to service EV systems and their components |
| K-41.03.04L | demonstrate knowledge of emerging technologies and practices pertaining to EV 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 |
Range of Variables
- EV systems include: A/C drives, series, parallel, fast charge, plug-in, extended range
- components include: modules, inverters, high-voltage batteries, drive motors, converters, wiring, charging systems
- tools and equipment include: specialized PPE, safety devices, specialized DMMs, electronic service tools, specialized hand tools (insulated tools), manufacturer-specific tools and equipment, insulation testers, lifting tools
- hazards include: shocks, arc flash, sparks, falls, heavy weights, high working temperatures