Mazda Mazda6 Workshop Manual Supplement page 854

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ON-BOARD DIAGNOSTIC [MULTIPLEX COMMUNICATION SYSTEM]

PROCEDURES FOR DETERMINING THE LOCATION OF A MALFUNCTION

System Wiring Diagram

1. Check the display of DTC U0101, U0121 and/or U0155, using the SST (WDS or equivalent). (See

2. Referring to the following table, determine the malfunctioning part of the CAN system.

ABS (ABS/TCS) HU/CM

Communication status

ABS (ABS/TCS)

ABS (ABS/TCS)

Instrument cluster

—: Communication error

Malfunction location

• Wiring harness A

• Wiring harness B

• ABS (ABS/TCS) HU/CM

• Wiring harness C

• Instrument cluster

A6E816255430204

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