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.
HS-CAN
- PCM
- TCM
- DSC/RSCHU/CM
- BCM
- AWD control module
- PLG control module
- SAS control module
- Keyless control module
- Instrument cluster
- BSM control module (LH)
- BSM control module (RH)
MS-CAN
- Audio unit (Base module)
- RES unit
- Audio amplifier
- HF/TEL unit
- Information display

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 10:

Step 11-Step 14:

Flowchart (MS-CAN)
- Use the following flowchart to verify the cause of the trouble.

Step 1-Step 6:

Step 7-Step 12:

Step 13-Step 14: