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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Idle Up Control Valve: Service and Repair

Reset IAC Valve Position:
1. Turn ignition "ON" for five seconds.
2. Turn the ignition OFF for ten seconds.
3. Start the engine and check for proper idle operation.