Throttle Position Sensor: Testing and Inspection

Inspection
1. Warm up the engine to normal operating temperature and run it at idle.
2. Verify the first idle cam separates.
3. Stop the engine.




4. Connect the SSTs (Special Service Tool) (Engine Signal Monitor and Adaptor Harness) to ECM (Engine Control Module).
5. Turn the ignition switch to ON.




6. Rotate the throttle link by hand verify that the voltage is within specification.




Specification
7. If not as specified, adjust or replace the throttle position sensor.