Check Back Door Lock Assembly (Actuator) Circuit

BACK DOOR LOCK

Check Back Door Lock Assembly (Actuator) Circuit


1. CHECK BACK DOOR LOCK ASSEMBLY (ACTUATOR) FUNCTION

With CONSULT
Check the operation with ("TRUNK/BACK DOOR") in the ACTIVE TEST.
Does back door actuator system operate normally?
YES or NO
YES- Back door lock assembly (actuator) is OK.
NO- GO TO 2

2. CHECK BACK DOOR LOCK ASSEMBLY (ACTUATOR) POWER SUPPLY

1.Turn ignition switch OFF.
2.Insure both front door lock knobs are turned to the UNLOCK position.
3.Disconnect back door lock assembly (actuator) connector.
4.Check voltage between back door lock assembly (actuator) connector D405 terminal 1 and ground.










OK or NG
OK- GO TO 3
NG- GO TO 4

3. CHECK BACK DOOR LOCK ASSEMBLY (ACTUATOR) GROUND CIRCUIT

Check continuity between back door lock assembly (actuator) connector D405 terminal 2 and ground.





OK or NG
OK- Replace back door lock assembly (actuator).
NG- Repair or replace harness.






4. CHECK BACK DOOR LOCK ASSEMBLY (ACTUATOR) CIRCUIT

1.Disconnect BCM connector.
2.Check continuity between BCM connector (A) M19 terminal 53 and back door lock assembly (actuator)
connector (B) D405 terminal 1.





3.Check continuity between BCM connector (A) M19 terminal 53
and ground.











OK or NG
OK- GO TO 5
NG- Repair or replace harness between BCM and back door lock assembly (actuator).

5. CHECK BCM OUTPUT SIGNAL

1.Connect BCM connector.
2.Check voltage between BCM connector M19 terminal 53 and ground.











OK or NG
OK- Check the condition of harness and connector.
NG- Replace BCM. Service and Repair.