Operation CHARM: Car repair manuals for everyone.

Without Intelligent Key System




BACK DOOR OPENER SWITCH

Diagnosis Procedure

Regarding Wiring Diagram information, Without Intelligent Key System.

1. CHECK BACK DOOR OPENER SWITCH

With CONSULT
Check back door opener switch ("TRNK OPNR SW") in "DATA MONITOR" mode.






Without CONSULT
1.Turn ignition switch OFF.





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





Is the inspection result normal?
YES- Back door opener switch is OK.
NO- GO TO 2

2. CHECK BACK DOOR OPENER SWITCH OPERATION

1.Turn ignition switch OFF.
2.Disconnect back door opener switch connector.





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





Is the inspection result normal?
YES- GO TO 3
NO- Replace back door opener switch.

3. CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT

NOTE:
The passenger door must be unlocked during this step.
Check continuity between back door opener switch harness connector D510 terminal 2 and ground.





2 - Ground: Continuity should exist.
Is the inspection result normal?
YES- GO TO 4
NO- GO TO 5

4. CHECK BACK DOOR OPENER SWITCH CIRCUIT

1.Disconnect BCM.





2.Check continuity between BCM harness connector (A) M18 terminal 30 and back door opener switch harness connector (B)
D510 terminal 1.
30 - 1: Continuity should exist.
3.Check continuity between BCM harness connector (A) M18 terminal 30 and ground.
30 - Ground: Continuity should not exist.
Is the inspection result normal?
YES- Replace BCM. Service and Repair.
NO- Repair or replace harness between BCM and back door opener switch.

5. CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT

1.Disconnect front door lock assembly RH (door unlock sensor).





2.Check continuity between back door opener switch harness connector (A) D510 terminal 2 and front door lock assembly RH
(door unlock sensor) connector (B) D103 terminal 3.
2 - 3: Continuity should exist.
3.Check continuity between back door opener switch harness connector (A) D510 terminal 2 and ground.
2 - Ground: Continuity should not exist.
Is the inspection result normal?
YES- GO TO 6
NO- Repair or replace harness.

6. CHECK DOOR UNLOCK SENSOR CIRCUIT






1.Check continuity between front door lock assembly RH (door unlock sensor) connector D103 terminal 5 and ground.
5 - Ground: Continuity should exist.
Is the inspection result normal?
YES- Replace front door lock assembly RH (door unlock sensor).
NO- Repair or replace harness for open.