Half-Latch Switch System Inspection

1. Turn ignition switch OFF.
2. While fully opening and closing the back door, check voltage between back door control unit connector B55 terminal 22 and ground.
   HALF-LATCH SWITCH SIGNAL REFERENCE
   
   

   22 - Ground

   Fig 1: Checking Voltage Between Connector B55 Terminal 22 And Ground

   

OK or NG 

OK: Half-latch switch is OK.

NG: GO TO 2.

1. Disconnect back door latch and back door control unit connector.
2. Check continuity between back door latch (half-latch switch) connector D503 terminal 6 and back door control unit connector B55 terminal 22.

   6 - 22 : Continuity should exist. 

OK or NG 

OK: GO TO 3.

NG: Repair or replace harness.

Fig 2: Checking Continuity Between Back Door Latch Connector Terminal 6 And Back Door Control Unit Connector Terminal 22

Check continuity between back door latch (half-latch switch) connector D503 terminal 8 and ground.

8 - Ground : Continuity should exist. 

OK or NG 

OK: Replace the back door latch.

NG: Repair or replace harness.

Fig 3: Checking Continuity Between Back Door Latch Connector Terminal 8 And Ground