Mazda 6 Service Manual: Multiplex communication system

Mazda 6 Service Manual / Body electrical system / On-board diagnostic [multiplex communication system] / Multiplex communication system

Outline

In case the controller area network (CAN) system is malfunctioning, read the DTCs of the following modules, using the SST (WDS or equivalent) to determine the malfunctioning system.

- PCM

- DSC HU/CM (with DSC)

- ABS (ABS/TCS) HU/CM (with ABS (ABS/TCS)

- Instrument cluster

Flowchart

Use the following flowchart to verify the cause of the trouble.

On-board diagnostic [multiplex communication system]

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Dtc table

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