Power Liftgate Switch System Inspection: Notes

Check power liftgate switch using switch operation.

OK or NG 

OK: Power liftgate switch is OK.

NG: GO TO 2.

1. Turn ignition switch OFF.
2. Check voltage between power liftgate switch connector M92 terminal 1 and ground.

   1 - Ground :Approx. battery voltage 

OK or NG 

OK: GO TO 3.

NG: Repair or replace harness.

Fig 1: Checking Voltage Between Power Liftgate Switch Connector M92 Terminal 1 And Ground

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.
   CONNECTOR TERMINAL VOLTAGE CHART
   
   

   Terminals		Condition		Voltage (V) (Approx.)
   (+)	(-)
   23	Ground	Power liftgate switch	ON	0
   			OFF	5

OK or NG 

OK: Switch is OK.

NG: GO TO 4.

Fig 2: Checking Voltage Between Back Door Control Unit Connector B55 Terminal 23 And Ground

1. Disconnect power liftgate switch and back door control unit connector.
2. Check continuity between power liftgate switch connector M92 terminal 1 and back door control unit connector B55 terminal 23.

   1 - 23 : Continuity should exist. 

OK or NG 

OK: GO TO 5.

NG: Repair or replace harness.

Fig 3: Checking Continuity Between Power Liftgate Switch Connector Terminal 1 And Back Door Control Unit Connector Terminal 23

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

2 - Ground : Continuity should exist. 

OK or NG 

OK: Replace the power liftgate switch.

NG: Repair or replace harness.

Fig 4: Checking Continuity Between Power Liftgate Switch Connector Terminal 2 And Ground