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Initial Inspection and Diagnostic Overview




MULTIPLEX COMMUNICATION SYSTEM [MULTIPLEX COMMUNICATION SYSTEM]

Outline

- If the controller area network (CAN) system is malfunctioning, read the DTCs of the following modules, using the M-MDS to determine the malfunctioning system.

HS-CAN
- PCM (L3 WITH TC)
- PCM (LF, L3)
- TCM (FN4A-EL)
- TCM (FS5A-EL)
- EHPAS control module
- DSC HU/CM (with DSC)
- ABS HU/CM (with ABS)
- TPMS control module
- Instrument cluster

MS-CAN
- Instrument cluster
- Climate control unit
- SAS control module
- Information display
- PJB

Flowchart (HS-CAN)

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

Step 1-Step 2:





Step 3-Step 6:





Step 7-Step 9:





Step 10-Step 12:





Step 13-Step 14:






Flowchart (MS-CAN)

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

Step 1-Step 3:





Step 4-Step 6:





Step 7-Step 9:





Step 10-Step 12:





Step 13-Step 14:






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