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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Throttle Position Switch: Testing and Inspection


1. Disconnect the throttle switch connector
2. Check for continuity to ground between the connector plug on the throttle switch and ground when the throttle is released.
3. Reconnect the connector to the throttle switch.