Body Control Systems: Description and Operation

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 9:

Step 10-Step 13:

Step 14-Step 15: