Check Back Door Opener Switch Circuit (Without Intelligent Key or Power Windows)

BACK DOOR LOCK


Check Back Door Opener Switch Circuit (Without Intelligent Key or Power Windows)

1.CHECK BACK DOOR OPENER SWITCH SIGNAL 1
With CONSULT-III
1. Insure front door lock assembly LH is in the UNLOCK position.
2. Check back door opener switch ("TRNK OPNR SW") in "DATA MONITOR" mode with CONSULT-III.





Without CONSULT-III





1. Insure front door lock assembly LH is in the UNLOCK position.
2. Check voltage between BCM connector M18 terminal 30 and ground.





OK or NG
OK - Back door opener switch is OK.
NG - GO TO 2
2.CHECK BACK DOOR OPENER SWITCH CIRCUIT 1





1. Turn ignition switch OFF.
2. Disconnect BCM and back door opener switch connector.
3. Check continuity between BCM connector (A) M18 terminal 30 and back door opener switch connector (B) terminal 1.





4. Check continuity between BCM connector (A) M18 terminal 30
and ground.





OK or NG
OK - GO TO 3
NG - Repair or replace harness.
3.CHECK BACK DOOR OPENER SWITCH





2. Check continuity between back door opener switch terminals 1 and





OK or NG
OK - GO TO 4
NG - Replace back door opener switch.
4.CHECK BACK DOOR OPENER SWITCH CIRCUIT 2





1. Disconnect front door lock assembly LH (door unlock sensor) connector.
2. Check continuity between back door opener switch connector
(A) D408 terminal 2 and front door lock assembly LH (door unlock sensor) connector (B) D14 terminal 3.






3. Check continuity between back door opener switch connector (A) D408 terminal 2 and ground.





OK or NG
OK - GO TO 5
NG - Repair or replace harness between back door opener switch and front door lock assembly LH
(door unlock sensor).
5.CHECK FRONT DOOR LOCK ASSEMBLY LH (DOOR UNLOCK SENSOR) GROUND CIRCUIT





Check continuity between front door lock assembly LH (door unlock sensor) connector terminal 4 and ground.





OK or NG
OK - GO TO 6
NG - Repair or replace harness.
6.CHECK UNLOCK SENSOR FUNCTION





1. Connect front door lock assembly LH (door unlock sensor) connector.
2. Check continuity between back door opener switch connector
D408 terminal 2 and ground.





OK or NG
OK - GO TO 7
NG - Replace front door lock assembly LH (door unlock sensor). Locations Front Door Lock.
7.CHECK BACK DOOR OPENER SWITCH SIGNAL 2





1. Connect BCM connector.
2. Check voltage between BCM connector M18 terminal 30 and ground.





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