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

Idle Speed/Throttle Actuator - Electronic: Service and Repair

IF
The throttle body or IAC motor has been replaced

OR
The IAC motor related circuit has been opened during engine running or IAC motor operation test

THEN
Use a scan tool to reset the IAC.