FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Controller Area Network (CAN) Malfunction Diagnosis Flow [Multiplex Communication System]





CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [MULTIPLEX COMMUNICATION SYSTEM]

- If there is any vehicle malfunction complaint lodged by a customer, refer to " Initial Inspection and Diagnostic Overview" and perform CAN malfunction diagnosis following the steps in the troubleshooting procedure.

CAN malfunction diagnosis flow

NOTE:
- The flowchart and the diagnosis flow of the diagnosis procedure are the same thing, and the detailed procedure of the flowchart is the diagnosis procedure.
- The step numbers in the flowchart indicate the step numbers of the diagnosis procedure.

Flowchart





System wiring diagram





Diagnostic procedure

















CAN communication specification quick reference table