ON-BOARD DIAGNOSTIC [MULTIPLEX COMMUNICATION
SYSTEM]
CAN SYSTEM
MULTIPLEX COMMUNICATION SYSTEM
Outline
• If the controller area network (CAN) system is malfunctioning, read the DTCs of the following modules,
using the WDS or equivalent to determine the malfunctioning system.
PCM
EPS control module
TCM (AT)
ABS HU/CM (with ABS)
DSC HU/CM (with DSC)
Steering angle sensor (with DSC)
Keyless control module
TPMS control module
Instrument cluster
Flowchart
• Use the following flowchart to verify the cause of the trouble.
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