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 TAILGATE" menu.

Fig 1: Scan Tool Screen Display - POWER TAIL GATE
Courtesy of HYUNDAI MOTOR CO.
Select the "CURRENT DATA". And then check the optical sensor volt while operating power tailgate in power mode.

Fig 2: Scan Tool Screen Display - OPT. SNSR POWER VOLT
Courtesy of HYUNDAI MOTOR CO.
Change the drive unit, if there is no change during operation.