Major Work Activity C – Diagnoses And Repairs Vehicle Module Communications System
Task C-10 Diagnoses vehicle networking systems
Task Descriptor
Vehicle networking systems allow modules to communicate with each other by sharing input and output information. They also provide vehicle control by monitoring inputs and outputs to modules in order to make decisions based on preset parameters. Vehicle networking systems ensure the efficient operation and communication of component modules such as the engine, transmission, anti-theft system, climate control, body control and brake control. All diagnostic procedures must be performed according to manufacturers’ information.
C-10.01 Reads diagnostic trouble codes (DTCs)
Essential Skills
Document Use, Digital Technologies, Thinking
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Performance Criteria |
Evidence of Attainment |
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C-10.01.01P |
verify concern |
concern is verified to determine diagnostic strategy |
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C-10.01.02P |
distinguish diagnostic systems |
diagnostic systems are distinguished to determine tools used, data link connection ( DLC) location and system operation |
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C-10.01.03P |
select and use scan tools |
scan tools are selected and used to read DTCs from modules |
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C-10.01.04P |
scan all modules |
all modules are scanned for related DTCs and latest software |
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C-10.01.05P |
perform functional tests |
functional tests are performed to find active DTCs, readiness, freeze frame data, and stored and pending DTCs |
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C-10.01.06P |
refer to manufacturers’ diagnostic procedures |
manufacturers’ diagnostic procedures are referred to for DTCs definition |
Range of Variables
modules include: powertrain control module (PCM), transmission control module (TCM), body control module (BCM)
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-10.01.01L |
demonstrate knowledge of vehicle networking systems, their components and operation |
explain basic computer operation and its relationship to vehicle networking systems |
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identify the types of network protocols and describe their purpose |
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describe the networking of modules and multiplexing |
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identify and interpret DTCs |
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identify the parameters of inputs and outputs and describe their relationships |
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identify types of diagnostic tools and equipment used to diagnose network and electronic circuitry and describe their applications and procedures for use |
Range of Variables
network protocols include: International Standards Organization (ISO), controller area network (CAN), local interface network (LIN), speed
networking of modules and multiplexing include: wiring designs, wireless
diagnostic tools and equipment include: DMM, oscilloscopes, probes, break out boxes, scan tools
C-10.02 Monitors data
Essential Skills
Digital Technology, Thinking, Document Use
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Performance Criteria |
Evidence of Attainment |
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C-10.02.01P |
verify concern |
concern is verified to determine diagnostic strategy |
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C-10.02.02P |
select and use scan tools |
scan tools are selected and used to monitor data |
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C-10.02.03P |
select and organize relevant data |
relevant data is selected and organized to compare results to manufacturers’ information |
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C-10.02.04P |
record data |
data is recorded to aid with diagnosis |
Range of Variables
data includes: inputs and outputs
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-10.02.01L |
demonstrate knowledge of vehicle networking systems, their components and operation |
explain basic computer operation and its relationship to vehicle networking systems |
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identify the types of network protocols and describe their purpose |
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describe the networking of modules and multiplexing |
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identify and interpret data |
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identify the parameters of inputs and outputs and describe their relationships |
Range of Variables
network protocols include: ISO, CAN, LIN, speed
networking of modules and multiplexing include: wiring designs, wireless
data includes: inputs and outputs
C-10.03 Interprets test results
Essential Skills
Thinking, Document Use, Numeracy
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-10.03.01P |
verify concern |
concern is verified to determine diagnostic strategy |
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C-10.03.02P |
compare test values |
test values are compared to manufacturers’ information |
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C-10.03.03P |
determine faulty circuitry and components |
faulty circuitry and components are determined by analyzing test results |
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C-10.03.04P |
refer to recorded data |
recorded data is referenced to assist in diagnosis |
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-10.03.01L |
demonstrate knowledge of vehicle networking systems, their components and operation |
explain basic computer operation and its relationship to vehicle networking systems |
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identify the types of network protocols and describe their purpose |
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describe the networking of modules and multiplexing |
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identify and interpret data |
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identify the parameters of inputs and outputs and describe their relationships |
Range of Variables
network protocols include: ISO, CAN, LIN, speed
networking of modules and multiplexing include: wiring designs, wireless
C-10.04 Tests system circuitry and components
Essential Skills
Thinking, Digital Technology, Numeracy
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-10.04.01P |
verify concern |
concern is verified to determine diagnostic strategy |
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C-10.04.02P |
select and use diagnostic tools and equipment |
diagnostic tools and equipment are selected and used to test system circuitry and components according to manufacturers' information |
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C-10.04.03P |
determine faulty system circuitry and components |
faulty system circuitry and components are determined according to test results |
Range of Variables
diagnostic tools and equipment include: DMM, oscilloscopes, probes, break-out boxes, scan tools, LED circuit testers
system circuitry and components include: wiring, modules, fuses, relays, grounds
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-10.04.01L |
demonstrate knowledge of vehicle networking systems, their components and operation |
explain basic computer operation and its relationship to vehicle networking systems |
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identify the types of network protocols and describe their purpose |
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describe the networking of modules and multiplexing |
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identify and interpret DTC |
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identify the parameters of inputs and outputs and describe their relationships |
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identify types of diagnostic tools and equipment used to diagnose network and electronic circuitry and describe their applications and procedures for use |
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C-10.04.02L |
demonstrate knowledge of the procedures used to diagnose vehicle networking system components |
describe the procedures used to diagnose vehicle networking systems |
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C-10.04.03L |
demonstrate knowledge of circuits, their components and operation |
describe the application of Ohm's law to electrical circuits |
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interpret diagnostic flowcharts and schematics |
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identify types of wire and describe their characteristics, composition and applications |
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C-10.04.04L |
demonstrate knowledge of the procedures used to diagnose circuits and components |
describe the procedures used to diagnose circuits and components |
Range of Variables
network protocols include: ISO, CAN, LIN, speed
networking of modules and multiplexing include: wiring designs, wireless
diagnostic tools and equipment include: DMM, oscilloscopes, probes, break-out boxes, scan tools, LED circuit testers
procedures used to diagnose include: verify concern, visually inspect, retrieve DTCs, access service information, conduct tests and measurements, isolate problem, identify root cause
electrical circuits include series circuit, parallel circuit, series-parallel circuits
Task C-11 Repairs vehicle networking systems
Task Descriptor
Vehicle networking systems allow modules to communicate with each other by sharing input and output information. Vehicle networking systems ensure the efficient operation and communication of component modules such as the engine, transmission, anti-theft system, climate control, body control and brake control. All repair tasks must be performed according to manufacturers’ information.
C-11.01 Updates component software
Essential Skills
Digital Technology, Document Use, Thinking
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Performance Criteria |
Evidence of Attainment |
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C-11.01.01P |
verify manufacturers’ information |
latest software update is verified through manufacturers’ information |
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C-11.01.02P |
select and use Society of Automotive Engineers ( SAE) J2534 compliant tools |
SAE J2534 compliant tools are selected and used to update module software |
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C-11.01.03P |
program modules |
modules are programmed using updated manufacturers' documentation and service bulletins, and software |
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C-11.01.04P |
configure modules |
modules are configured according to vehicle requirements and options |
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C-11.01.05P |
verify operation of updated modules |
operation of updated modules is verified by matching software code to manufacturers’ information |
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-11.01.01L |
demonstrate knowledge of vehicle networking systems, their components and operation |
explain basic computer operation and its relationship to vehicle networking systems |
|
|
|
identify the types of network protocols and describe their purpose |
|
|
|
describe the networking of modules and multiplexing |
|
|
|
identify and interpret DTCs |
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|
|
identify the parameters of inputs and outputs and describe their relationships |
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|
|
identify types of repair tools and equipment used to diagnose network and electronic circuitry and describe their applications and procedures for use |
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C-11.01.02L |
demonstrate knowledge of the procedures used to repair vehicle networking system components |
describe the procedures used to repair vehicle networking systems |
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C-11.01.03L |
demonstrate knowledge of reprogramming software |
identify methods used to access/transfer and reprogram software and describe their associated procedures |
Range of Variables
network protocols include: ISO, CAN, LIN, speed
networking of modules and multiplexing include: wiring designs, wireless
repair tools and equipment include: DMM, oscilloscopes, probes, break-out boxes, scan tools, hand tools, air tools, SAE J2534 compliant tools, laptops, computers
methods used to access/transfer and reprogram software include: CD/DVD, USB, internet, scan tool, PROM
C-11.02 Replaces components
Essential Skills
Digital Technology, Thinking, Document Use
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yes |
yes |
yes |
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yes |
yes |
yes |
yes |
yes |
yes |
NV |
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-11.02.01P |
select and use tools and equipment |
tools and equipment are selected and used according to manufacturers’ information |
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C-11.02.02P |
follow vehicle-specific cautionary procedures |
vehicle-specific cautionary procedures are followed to prevent personal injury and damage to components |
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C-11.02.03P |
identify and install compatible electronic components |
compatible electronic components are identified and installed according to the vehicle specifications |
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C-11.02.04P |
transfer module-specific data |
module-specific data is transferred to component |
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C-11.02.05P |
configure modules |
modules are configured according to vehicle requirements and options |
Range of Variables
tools and equipment include: hand tools, air tools, scan tools and specialized tools (DMM, oscilloscopes, probes, break out boxes, J2534 compliant tools)
vehicle-specific cautionary procedures include: using anti-static straps and disabling restraint systems
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-11.02.01L |
demonstrate knowledge of vehicle networking systems, their components and operation |
explain basic computer operation and its relationship to vehicle networking systems |
|
|
|
identify the types of network protocols and describe their purpose |
|
|
|
describe the networking of modules and multiplexing |
|
|
|
identify and interpret DTCs |
|
|
|
identify the parameters of inputs and outputs and describe their relationships |
|
|
|
identify types of tools and equipment used to diagnose network and electronic circuitry and describe their applications and procedures for use |
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C-11.02.02L |
demonstrate knowledge of the procedures used to repair vehicle networking system components |
describe the procedures used to repair and/or replace vehicle networking system components |
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C-11.02.03L |
demonstrate knowledge of reprogramming software |
identify methods used to access/transfer and reprogram software and describe their associated procedures |
Range of Variables
network protocols include: ISO, CAN, LIN, speed
networking of modules and multiplexing include: wiring designs, wireless
tools and equipment include: hand tools, air tools and specialized tools (DMM, oscilloscopes, probes, break out boxes, scan tools, J2534 compliant tools)
methods used to access/transfer and reprogram software include: CD/DVD, USB, internet, scan tool
C-11.03 Verifies vehicle module communications system repair
Essential Skills
Digital Technology, Thinking, Document Use
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QC |
ON |
MB |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
yes |
NV |
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NV |
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Skills |
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Performance Criteria |
Evidence of Attainment |
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C-11.03.01P |
select and use diagnostic tools |
diagnostic tools are selected and used to verify and confirm system repair |
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C-11.03.02P |
perform verification test |
verification test is performed to confirm system repair |
Range of Variables
diagnostic tools include: DMM, oscilloscopes, probes, break-out boxes, scan tools, J2534 compliant tools
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Knowledge |
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Learning Outcomes |
Learning Objectives |
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C-11.03.01L |
demonstrate knowledge of vehicle networking systems, their components and operation |
explain basic computer operation and its relationship to vehicle networking systems |
|
|
|
identify the types of network protocols and describe their purpose |
|
|
|
describe the networking of modules and multiplexing |
|
|
|
identify and interpret DTCs |
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|
|
identify the parameters of inputs and outputs and describe their relationships |
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C-11.03.02L |
demonstrate knowledge of the procedures used to repair vehicle networking system components |
identify types of diagnostic tools and equipment used to diagnose network and electronic circuitry and describe their applications and procedures for use |
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describe the procedures used to repair and/or replace vehicle networking system components |
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C-11.03.03L |
demonstrate knowledge of reprogramming software |
identify methods used to access/transfer and reprogram software and describe their associated procedures |
Range of Variables
network protocols include: ISO, CAN, LIN, speed
networking of modules and multiplexing include: wiring designs, wireless
diagnostic tools and equipment include: DMM, oscilloscopes, probes, break-out boxes, scan tools, J2534 compliant tools
methods used to access/transfer and reprogram software include: CD/DVD, USB, internet, scan tool, PROM
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