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)

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Brake System Indicator Does Not Come on

Brake system indicator does not come on
1. Disconnect the negative cable from the battery.
2. Disconnect the multiplex control unit 13P connector and the ABS control unit 47P connector.





3. Check for continuity between the ABS control unit 47P connector terminal No. 13 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between the multiplex control unit and the ABS control units.
NO - Go to multiplex control system troubleshooting.