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
- DSC HU/CM
- AWD control module
- BCM
- SAS control module
- Keyless control module
- Instrument cluster
- Audio amplifier
- Climate control unit
- Audio unit (base module)
- Car-navigation unit
- Information display

Step 1-Step 2:

Step 3-Step 6:

Step 7-Step 9:

Step 10-Step 13:

Step 14-Step 15:

Flowchart
- Use the given flowchart to verify the cause of the trouble.