Without Intelligent Key System

POWER LIFTGATE SWITCH FUNCTION





Diagnosis Procedure
Regarding Wiring Diagram information, Without Intelligent Key System.
1.POWER LIFTGATE SWITCH FUNCTION INSPECTION
Check power liftgate switch using switch operation.
Did the back door respond correctly?
YES - Power liftgate switch is OK.
NO - GO TO 2
2.POWER LIFTGATE SWITCH SIGNAL INSPECTION
1. Turn ignition switch OFF.





2. While operating the power liftgate switch, check voltage between back door control unit connector B55 terminal 23 and ground.





Is the inspection result normal?
YES - Switch is OK.
NO - GO TO 3
3.POWER LIFTGATE SWITCH CIRCUIT INSPECTION
1. Disconnect back door control unit and power liftgate switch connectors.





2. Check continuity between back door control unit connector (A)
B55 terminal 23 and power liftgate switch connector (B) M92 terminal 1.





3. Check continuity between back door control unit connector (A)
B55 terminal 23 and ground.





Is the inspection result normal?
YES - GO TO 4
NO - Repair the harness between the power liftgate switch and the back door control unit.
4.POWER LIFTGATE SWITCH GROUND INSPECTION





Check continuity between power liftgate switch connector terminal 2 and ground.





Is the inspection result normal?
YES - GO TO 5
NO - Repair the harness between the power liftgate switch and ground.
5.POWER LIFTGATE SWITCH POWER SUPPLY CIRCUIT INSPECTION
1. Reconnect back door control unit.
2. Ensure liftgate is closed.





3. Check voltage between power liftgate switch connector M92 terminal 1 and ground.





Is the inspection result normal?
YES - Replace the power liftgate switch.
NO - Replace the back door control unit.