Trunk / Liftgate Position Sensor: Testing and Inspection
INSPECTION
OPTICAL SENSOR INSPECTION
1. Check the power tailgate control module input/output value by using the diagnostic tool. If the operation of tailgate control module is abnormal, replace power tailgate drive unit.
2. When checking the optical sensor, select a vehicle type and "POWER SLIDING/TAILGATE" menu.
3. Select "POWER TAIL GATE".
4. Select the sensor output. And then check the optical sensor volt while operating power tailgate in power mode.
5. Change the drive unit, if there is no change during operation.