Diesel Data: Automotive Repair

Idle Speed/Throttle Actuator - Electronic: Service and Repair

REMOVAL
1. Disconnect negative battery cable.
2. Remove air cleaner assembly.
3. Disconnect Automatic Idle Speed (AIS) motor wiring connector.

Throttle Body Temperature Sensor Removal:




4. Remove throttle body temperature sensor from throttle body housing.
5. Remove AIS motor mounting screws (2), and remove the AIS motor from throttle body, making sure the O-ring is still on the AIS motor.

INSTALLATION
NOTE: If pintle measures more than 1 in. (25 mm), it must be retracted by using the "AIS Motor Actuator Test".
1. Install AIS motor using a new O-ring.

Automatic Idle Speed (AIS) Motor Installation:




2. Install AIS motor retaining screws, torqueing them to 20 lb-in (2 Nm).
3. Connect AIS motor wiring connector.
4. Install throttle body temperature sensor in throttle body housing.
5. Install air cleaner assembly.
6. Connect negative battery cable.