Throttle Full Close Switch: Testing and Inspection

ISC Servo Connector:

1. Disconnect the electrical connector to the Idle Speed Control Servo.

2. Check for continuity between the sensor connector terminal # 3 and body ground.

Checking The ISC Motor For Continuity:

^ While the accelerator pedal is depressed, continuity should NOT exist.
^ While the accelerator pedal is released, continuity should exist.

3. If faulty, replace the Idle Speed Control Servo assembly.