Check Back Door Opener Switch Circuit (Without Intelligent Key)

BACK DOOR LOCK

Check Back Door Opener Switch Circuit (Without Intelligent Key)


1. CHECK BACK DOOR OPENER SWITCH SIGNAL 1

With CONSULT
1.Insure front door lock assembly RH is in the UNLOCK position.
2.Check back door opener switch ("TRNK OPNR SW") in "DATA MONITOR" mode with CONSULT.





Without CONSULT
1.Insure front door lock assembly RH 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

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





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 RH (door unlock sensor)
connector.
2.Check continuity between back door opener switch connector (A) D408 terminal 2 and front door lock assembly RH (door unlock sensor) connector (B) D114 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 RH
(door unlock sensor).

5. CHECK FRONT DOOR LOCK ASSEMBLY RH (DOOR UNLOCK SENSOR) GROUND CIRCUIT

Check continuity between front door lock assembly RH (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 RH (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 RH (door unlock sensor).

7. CHECK BACK DOOR OPENER SWITCH SIGNAL 2

1.Connect BCM connector.
2.Check voltage between BCM connector and ground.





OK or NG
OK- Check the condition of harness and connector.





NG- Replace BCM. Service and Repair.