Transmission Position Sensor/Switch: Testing and Inspection

Transmission Range Switch Test

1. Raise the vehicle on a lift, or apply the parking brake, block both rear wheels, and raise the front of the vehicle. Make sure it is securely supported.

2. Remove the left front wheel.

3. Remove the transmission range switch subharness connector (A) from the connector bracket (B), then disconnect it.





4. Remove the harness clamps (C) from the clamp bracket (D).

5. Check for continuity between the terminals at the subharness connector. There should be continuity between the terminals in the following table for each shift lever position.

Transmission Range Switch Subharness Connector





6. Transmission range switch test is completed if the test results are OK, go to step 13.

If there is no continuity between any terminals, go to step 7.

7. Remove the transmission range switch cover.






8. Disconnect the transmission range switch connector.






9. Check for continuity between the terminals at the transmission range switch connector. There should be continuity between the terminals in the following table for each shift lever position.

Transmission Range Switch Connector





10. If the transmission range switch continuity check is OK, replace the faulty transmission range switch subharness, then go to step 13.

If there is no continuity between any terminals, go to step 11.

11. Remove the transmission range switch, and check the end of the selector control shaft (A).









12. If the measurement of the selector control shaft end is within the specification, replace the transmission range switch Service and Repair.

If the measurement is out of the specification, repair the selector control shaft end, and recheck the transmission range switch continuity.

13. Check the connector(s) for corrosion, dirt, or oil, and clean or repair if necessary, then connect the connector(s) securely.

14. Install the transmission range switch subharness connector on the connector bracket.

15. Install the harness clamps to the clamp bracket.

16. Install the transmission range switch cover.

17. Install the left front wheel.