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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Key Reminder Warning System

TERMINALS OF ECU

1. CHECK INSTRUMENT PANEL J/B ASSEMBLY (BODY ECU)




a. Disconnect the B4, 1D, 1F and 1M J/B connectors.




b. Measure the voltage and resistance according to the value(s) in the table.

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

c. Reconnect the 1D, 1F, 1M and B4 connectors.




d. Measure the voltage according to the value(s) in the table.