Body Control Systems: Testing and Inspection

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.

- PCM
- TCM
- EHPAS control module
- ABS HU/CM
- Instrument cluster
- Climate control unit
- Information display
- Audio unit (base unit)
- Car-navigation unit
- HF/TEL unit
- BCM

Flowchart

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

Step 1-Step 5:

Step 6:

Step 7:

Step 8-Step 13:

Step 14:

Step 15: