Throttle Position Sensor: Testing and Inspection

1. Disconnect connector from throttle position sensor.
2. Connect ohmmeter between sensor terminals 1 and 3.




3. Verify that resistance increases linearly according to throttle angle.




4. If resistance is not as specified, replace the throttle position sensor.
5. Connect throttle position sensor connector.

Voltage inspection
1. Verify that throttle is at the closed throttle position.
2. Turn ignition switch ON.
3. Connect voltmeter between terminals 1 (BLK/GRN wire) and 3 (BLU/ORG wire) on throttle position sensor connector.
4. Verify that throttle valve is at closed throttle position.
5. Fully open throttle valve and verify that voltage at terminal 3 is within specification.




6. If not as specified, replace throttle position sensor.