Position Sensor/Switch: Testing and Inspection

REAR DIFFERENTIAL LOCK DETECTION SWITCH CHECK
1. Raise up the vehicle.
2. Remove the air pipe and air hose connections.





3. Connect a pressure gauge and air regulator, for adjusting the compressed air pressure, to the air hose.
4. Adjust the compressed air pressure with the air regulator until the pressure gage shows a pressure of approximately 25 kPa (4 psi.).

CAUTION: Do not apply a higher pressure.

5. Hold the wheel on one side of the vehicle stationary, and slowly turn the wheel on the other side.





6. Check for continuity in the rear differential lock detection switch.
7. If the detection switch is defective, first remove the differential carrier, then remove the detection switch.