Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

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/RSC HU/CM
- BCM
- AWD control module
- PLG control module
- SAS control module
- Keyless control module
- Instrument cluster

MS-CAN
- Audio unit (Base module)
- RES unit
- Audio amplifier
- HF/TEL unit
- Information display