Tests AD: The Power Liftgate Does Not Operate Correctly - Reverses During The Power Close Operation

PINPOINT TEST AD: THE POWER LIFTGATE DOES NOT OPERATE CORRECTLY - REVERSES DURING THE POWER CLOSE OPERATION

AD1-AD4:

AD4-AD5:

AD6-AD8:

AD8-AD10:

AD10-AD11:

AD12-AD13:

Normal Operation
When the power liftgate (PLG) moves in the close direction, the PLG module monitors the pinch strips and optical sensor for obstacle detection. The PLG module uses a 5-volt reference signal on circuit 1966 (LB/BK) and a return signal on circuit 1967 (GY/OG) for the left pinch strip. The PLG module uses a 5-volt reference signal on circuit 1965 (VT) and a return signal on circuit 1967 (GY/OG) for the right pinch strip. The right and left pinch strip return signal circuits are spliced together.

Possible Causes
- PLG module DTC B2704 optical sensor power short to ground
- PLG module DTC B2908 latch switch invalid
- PLG module DTC B2931 optical sensor 1 short to battery or open
- PLG module DTC B2932 optical sensor 1 short to ground
- PLG module DTC B2933 optical sensor 2 short to battery or open
- PLG module DTC B2934 optical sensor 2 short to ground
- Circuit 1205 (BK) open
- Circuit 1962 (LG/VT), 1963 (OG/LB) or 1964 (DG/WH) open or short to ground
- Circuit 1968 (YE) or 1969 (WH/YE) open, short to voltage or short to ground
- Circuit 1970 (RD/LB) open or short to ground
- Circuit 1971 (LB/OG) open
- Mechanical binding
- PLG latch
- Optical sensor
- PLG module