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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Controller Test

Controller Test

1. Remove the instrument panel.




2. Disconnect the 6P connector from the controller.
3. Measure resistance between the No. 4 and No. 5 terminals while rotating the adjusting dial. Resistance should vary from 0 to 20 K ohms as the dial is rotated.