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

Key Reminder Warning System

TERMINALS OF ECU




1. CHECK DRIVER SIDE J/B (MULTIPLEX NETWORK BODY ECU)

a. Disconnect the 1A, 1H, 1F and 1K connectors.




b. Measure the voltage and resistance between each terminal of the wire harness side connectors.

HINT: If the result is not as specified, there may be a malfunction on the wire harness side.