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Tests AA: The Power Liftgate Is Inoperative From An Individual Switch

PINPOINT TEST AA: THE POWER LIFTGATE IS INOPERATIVE FROM AN INDIVIDUAL SWITCH


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Normal Operation
If the power liftgate is operated from the overhead console open/close switch, circuit 2054 (YE) is grounded by the open/close switch. Then the SJB grounds circuit 700 (WH/VT) which signals the PLG module of the open/close request.

If the power liftgate is in the CLOSED position and the conditions are correct, the PLG module supplies 12 volts to the unlatch actuator on circuit 2058 (LB/RD) and 12 volts to the clutch on circuit 2062 (LG/RD) and 12 volts to the motor on circuit 2060 (RD/BK). As the liftgate is moving in the open direction, the PLG module monitors the position sensor for obstacles.

If the power liftgate is in the OPEN position and the conditions are correct, the PLG module supplies 12 volts to the clutch on circuit 2062 (LG/RD) and 12 volts to the motor on circuit 2061 (VT/WH). As the liftgate is moving in the close direction, the PLG module monitors the position sensor and the pinch strips for obstacles.

Possible Causes
- SJB DTC B2028 Power Liftgate Open/Close Output Circuit Failure
- SJB DTC B2029 Power Liftgate Open/Close Output Circuit Short To Battery
- SJB DTC B2666 Power Liftgate Open/Close Switch Circuit Short To Ground
- PLG module DTC B1105 Rear Open/Close Switch Active During Self Test
- PLG module DTC B2367 PSD On/Off Switch Open Circuit
- PLG module DTC B2722 Open/Close Switch Active During Self Test
- circuit 700 (WH/VT) open, short to voltage or short to ground
- circuit 1203 (BK/LB) open
- circuit 1205 (BK) open
- circuit 1236 (VT/WH) open
- circuit 2053 (DB) open or short to ground
- circuit 2054 (YE) open or short to ground
- overhead console power liftgate switch
- power liftgate rear switch
- PLG module
- SJB