Major Work Activity H - Diagnoses and repairs hybrid and electric vehicle (EV) systems

Table of Contents

Task H-22 Diagnoses hybrid and electric vehicle (EV) systems

Task Descriptor

Hybrid and electric vehicles (EV) include: electric motors, inverters, converters, high voltage batteries and associated support systems. This task includes battery electric vehicles (BEV), hybrid electric vehicles (HEV) and plug-in hybrid electric vehicles (PHEV).

Automotive service technicians diagnose hybrid and EV according to manufacturers’ service information. Safety is of paramount importance due to the risk of fire and electrocution when working with high voltages.

H-22.01 - Diagnoses hybrid vehicle systems

H-22.01 - Diagnoses hybrid vehicle 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
H-22.01.01P verify concern concern is verified to determine diagnostic strategy
H-22.01.02P identify type of hybrid vehicle system type of hybrid vehicle system is identified
H-22.01.03P select and use tools and equipment tools and equipment are selected and used according to task and manufacturers’ service information
H-22.01.04P inspect components components are inspected for wear, damage and defects
H-22.01.05P retrieve DTCs DTCs are retrieved according to manufacturers’ service information
H-22.01.06P perform tests tests are performed according to manufacturers’ service information to pinpoint failure
H-22.01.07P interpret viewed values and DTCs viewed values and DTCs are interpreted to determine condition of systems and components
H-22.01.08P record, interpret and analyze results of tests and inspections results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined
H-22.01.09P isolate problem problem is isolated according to manufacturers’ service information

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
H-22.01.01L demonstrate knowledge of hybrid vehicle systems, their components, characteristics, applications and operation identify hybrid vehicle systems and their components, and describe their characteristics and applications
describe operating principles of hybrid vehicle systems and their components
identify types of motors and describe their characteristics, applications and operation
describe operation of DC to AC inverters
describe operation of DC to DC converters
describe onboard chargers (PHEV)
H-22.01.02L demonstrate knowledge of procedures used 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 used to diagnose hybrid vehicle systems and their components
identify materials that can be reconditioned, reused or recycled
identify practices that reduce material waste
H-22.01.03L demonstrate knowledge of training and certification requirements to diagnose hybrid vehicle systems and their components identify training and certification requirements to diagnose hybrid vehicle systems and their components

Range of Variables

H-22.02 - Diagnoses electric vehicle (EV) systems

H-22.02 - Diagnoses electric vehicle (EV) 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
H-22.02.01P verify concern concern is verified to determine diagnostic strategy
H-22.02.02P select and use tools and equipment tools and equipment are selected and used according to task and manufacturers’ service information
H-22.02.03P inspect components components are inspected for wear, damage and defects
H-22.02.04P retrieve DTCs DTCs are retrieved according to manufacturers’ service information
H-22.02.05P perform tests tests are performed according to manufacturers’ service information to pinpoint failure
H-22.02.06P interpret viewed values and DTCs viewed values and DTCs are interpreted to determine condition of systems and components
H-22.02.07P record, interpret and analyze results of tests and inspections results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined
H-22.02.08P isolate problem problem is isolated according to manufacturers’ service information

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
H-22.02.01L demonstrate knowledge of EV systems, their components, characteristics, applications and operation identify EV systems and their components, and describe their characteristics and applications
describe operating principles of EV systems and their components
identify types of motors and describe their characteristics, applications and operation
describe operation of DC to AC inverters
describe operation of DC to DC converters
describe onboard chargers (PHEV)
H-22.02.02L demonstrate knowledge of procedures used 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 used to diagnose EV systems and their components
identify materials that can be reconditioned, reused or recycled
identify practices that reduce material waste
H-22.02.03L demonstrate knowledge of training and certification requirements to diagnose EV systems and their components identify training and certification requirements to diagnose EV systems and their components

Range of Variables

H-22.03 - Diagnoses high voltage batteries

H-22.03 - Diagnoses high voltage batteries
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
H-22.03.01P verify concern concern is verified to determine diagnostic strategy
H-22.03.02P identify type of high voltage battery type of high voltage battery is identified
H-22.03.03P select and use tools and equipment tools and equipment are selected and used according to task and manufacturers’ service information
H-22.03.04P inspect components components are inspected for wear, damage and defects
H-22.03.05P retrieve DTCs DTCs are retrieved according to manufacturers’ service information
H-22.03.06P perform tests tests are performed according to manufacturers’ service information to pinpoint failure
H-22.03.07P interpret viewed values and DTCs viewed values and DTCs are interpreted to determine condition of battery and components
H-22.03.08P record, interpret and analyze results of tests and inspections results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined
H-22.03.09P isolate problem problem is isolated according to manufacturers’ service information

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
H-22.03.01L demonstrate knowledge of high voltage batteries, their components, characteristics, applications and operation identify types of high voltage batteries, and describe their characteristics and applications
describe operating principles of high voltage batteries and their components
H-22.03.02L demonstrate knowledge of procedures used to diagnose high voltage batteries and their components identify tools and equipment used to diagnose high voltage batteries and their components, and describe their applications and procedures for use
identify hazards and describe safe work practices pertaining to high voltage batteries and their components
describe procedures used to diagnose high voltage batteries and their components
identify materials that can be reconditioned, reused or recycled
identify practices that reduce material waste
H-22.03.03L demonstrate knowledge of training and certification requirements to diagnose high voltage batteries and their components identify training and certification requirements to diagnose high voltage batteries and their components

Range of Variables

H-22.04 - Diagnoses hybrid and electric vehicle (EV) HVAC systems

H-22.04 - Diagnoses hybrid and electric vehicle (EV) HVAC 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
H-22.04.01P verify concern concern is verified to determine diagnostic strategy
H-22.04.02P select and use tools and equipment tools and equipment are selected and used according to task and manufacturers’ service information
H-22.04.03P inspect components components are inspected for wear, damage and defects
H-22.04.04P retrieve DTCs DTCs are retrieved according to manufacturers’ service information
H-22.04.05P perform tests tests are performed according to manufacturers’ service information to pinpoint failure
H-22.04.06P interpret viewed values and DTCs viewed values and DTCs are interpreted to determine condition of systems and components
H-22.04.07P record, interpret and analyze results of tests and inspections results of tests and inspections are recorded, interpreted, analyzed and compared to manufacturers’ service information, and required repair is determined
H-22.04.08P isolate problem problem is isolated according to manufacturers’ service information

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
H-22.04.01L demonstrate knowledge of hybrid and EV HVAC systems, their components, characteristics, applications and operation identify types of hybrid and EV HVAC systems and their components, and describe their characteristics and applications
describe operating principles of hybrid and EV HVAC systems
H-22.04.02L demonstrate knowledge of procedures used to diagnose hybrid and EV HVAC systems and their components identify tools and equipment used to diagnose hybrid and EV HVAC systems and their components, and describe their applications and procedures for use
identify hazards and describe safe work practices pertaining to hybrid and EV HVAC systems and their components
describe procedures used to diagnose hybrid and EV HVAC systems and their components
identify materials that can be reconditioned, reused or recycled
identify practices that reduce material waste
H-22.04.03L demonstrate knowledge of training and certification requirements to diagnose hybrid and EV HVAC systems and their components identify training requirements to diagnose hybrid and EV HVAC systems and their components
H-22.04.04L demonstrate knowledge of regulatory requirements relating to hybrid and EV HVAC systems identify and interpret jurisdictional regulations pertaining to hybrid and EV HVAC systems

Range of Variables

Task H-23 Repairs hybrid and electric vehicle (EV) systems

Task Descriptor

Hybrid vehicles and EV include: electric motors, inverters, converters, high voltage batteries and associated support systems. This task includes BEV, HEV and PHEV.

Automotive service technicians perform maintenance and repairs on hybrid and EV systems according to manufacturers’ service information. Safety is of paramount importance due to the risk of electrocution when working with high voltages.

H-23.01 - Repairs hybrid vehicle systems

H-23.01 - Repairs hybrid vehicle 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
H-23.01.01P select and use tools and equipment tools and equipment are selected and used according to task and manufacturers’ service information
H-23.01.02P remove and inspect components components are removed and inspected according to manufacturers’ service information
H-23.01.03P select repair materials repair materials are selected according to repair requirements and manufacturers’ service information
H-23.01.04P replace or repair components components are replaced or repaired according to manufacturers’ service information
H-23.01.05P perform maintenance procedures maintenance procedures are performed according to manufacturers’ service information
H-23.01.06P verify repair repair is verified by system re-test and road test

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
H-23.01.01L demonstrate knowledge of hybrid vehicle systems, their components, characteristics, applications and operation identify hybrid vehicle systems and their components, and describe their characteristics and applications
describe operating principles of hybrid vehicle systems and their components
H-23.01.02L 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 used to remove, repair and replace hybrid vehicle system components
describe maintenance procedures
describe procedures used to verify repair
identify materials that can be reconditioned, reused or recycled
identify practices that reduce material waste
H-23.01.03L demonstrate knowledge of training and certification requirements to repair hybrid vehicle systems and their components identify training and certification requirements to repair hybrid vehicle systems and their components

Range of Variables

H-23.02 - Repairs electric vehicle (EV) systems

H-23.02 - Repairs electric vehicle (EV) 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
H-23.02.01P select and use tools and equipment tools and equipment are selected and used according to task and manufacturers’ service information
H-23.02.02P remove and inspect components components are removed and inspected according to manufacturers’ service information
H-23.02.03P select repair materials repair materials are selected according to repair requirements and manufacturers’ service information
H-23.02.04P replace or repair components components are replaced or repaired according to manufacturers’ service information
H-23.02.05P perform maintenance procedures maintenance procedures are performed according to manufacturers’ service information
H-23.02.06P verify repair repair is verified by system re-test and road test

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
H-23.02.01L 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
H-23.02.02L 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 used to replace or repair EV system components
describe maintenance procedures
describe procedures used to verify repair
identify materials that can be reconditioned, reused or recycled
identify practices that reduce material waste
H-23.02.03L demonstrate knowledge of training and certification requirements to repair EV systems and their components identify training and certification requirements to repair EV systems and their components

Range of Variables

H-23.03 - Services high voltage batteries

H-23.03 - Services high voltage batteries
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
H-23.03.01P select and use tools and equipment tools and equipment are selected and used according to task and manufacturers’ service information
H-23.03.02P remove and inspect components components are removed and inspected according to manufacturers’ service information
H-23.03.03P select service materials service materials are selected according to manufacturers’ service information
H-23.03.04P repair or replace components components are repaired or replaced according to manufacturers’ service information
H-23.03.05P perform maintenance procedures maintenance procedures are performed according to manufacturers’ service information
H-23.03.06P verify repair repair is verified by system re-test and road test

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
H-23.03.01L demonstrate knowledge of high voltage batteries, their components, characteristics, applications and operation identify types of high voltage batteries and their components, and describe their characteristics and applications
describe operating principles of high voltage batteries and their components
H-23.03.02L demonstrate knowledge of procedures to service high voltage batteries and their components identify tools and equipment used to service high voltage batteries and their components, and describe their applications and procedures for use
identify hazards and describe safe work practices pertaining to high voltage batteries and their components
describe procedures used to service high voltage batteries and their components
describe maintenance procedures
describe procedures used to verify repair
identify materials that can be reconditioned, reused or recycled
identify practices that reduce material waste
H-23.03.03L demonstrate knowledge of training and certification requirements to service high voltage batteries and their components identify training and certification requirements to service high voltage batteries and their components

Range of Variables

H-23.04 - Repairs hybrid and electric vehicle (EV) HVAC systems

H-23.04 - Repairs hybrid and electric vehicle (EV) HVAC 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
H-23.04.01P select and use tools and equipment tools and equipment are selected and used according to task and manufacturers’ service information
H-23.04.02P remove and inspect components components are removed and inspected according to manufacturers’ service information
H-23.04.03P select repair materials repair materials are selected according to repair requirements and manufacturers’ service information
H-23.04.04P replace components components are replaced according to manufacturers’ service information
H-23.04.05P verify repair repair is verified by system re-test and road test

Range of Variables

Knowledge
Reference Code Learning Outcomes Learning Objectives
H-23.04.01L demonstrate knowledge of hybrid and EV HVAC systems, their components, characteristics, applications and operation identify types of hybrid and EV HVAC systems, and their components, and describe their characteristics and applications
describe operating principles of hybrid and EV HVAC systems
H-23.04.02L demonstrate knowledge of procedures to repair hybrid and EV HVAC systems, and their components identify tools and equipment used to repair hybrid and EV HVAC systems, and their components, and describe their applications and procedures for use
identify hazards and describe safe work practices pertaining to hybrid and EV HVAC systems, and their components
describe procedures used to replace hybrid and EV HVAC system components
describe procedures used to verify repair
identify materials that can be reconditioned, reused or recycled
identify practices that reduce material waste
H-23.04.03L demonstrate knowledge of training and certification requirements to repair hybrid and EV HVAC systems, and their components identify training and certification requirements to repair hybrid and EV HVAC systems, and their components
H-23.04.04L demonstrate knowledge of regulatory requirements pertaining to refrigerants identify jurisdictional regulations pertaining to refrigerants

Range of Variables