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 Motor Position Sensor: Service and Repair

The Idle Motor Position Switch/Sensor is part of the Idle Air Control Motor/Servo, and must be replaced as a complete unit.

ISC Servo, Idle Position Switch, MPS Location:

1. Unplug both connectors from the Idle Air Control Motor and the Idle Motor Position Sensor.
2. Unbolt the Idle Air Control Motor from the Throttle Body and pull it straight out.
3. Reverse procedure for installation.