Optical Sensor Inspection

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.
When checking the optical sensor, select a vehicle type and "POWER SLIDING/TAILGATE" menu.

Fig 1: Scantool Display - Power Sliding/Tailgate
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Select "POWER TAIL GATE".

Fig 2: Scantool Display - Power Tail Gate
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Select the sensor output. And then check the optical sensor volt while operating power tailgate in power mode.

Fig 3: Scantool Display - Optical Sensor Volt
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Change the drive unit, if there is no change during operation.