Diagnosis Procedure (With Automatic Back Door)
- CHECK BACK DOOR SWITCH INPUT SIGNAL
- Ignition switch OFF.
- Disconnect back door lock assembly connector.
- Check signal between back door lock assembly harness connector and ground using oscilloscope.
(+)
(-)
Signal
(Reference value)
Back door lock assembly
Connector
Terminal
D560
7
Ground
9.0 - 10.0 V
Is the inspection result normal?
YES
GO TO 3.
NO
GO TO 2.
- CHECK BACK DOOR SWITCH CIRCUIT
- Disconnect BCM connector.
- Check continuity between back door lock assembly harness connector and BCM harness connector.
Back door lock assembly
BCM
Continuity
Connector
Terminal
Connector
Terminal
D560
7
M304
51
Yes
- Check continuity between back door lock assembly harness connector and ground.
Back door lock assembly
Ground
Continuity
Connector
Terminal
D560
7
No
Is the inspection result normal?
YES
Replace BCM. Refer to Removal and Installation .
NO
Repair or replace harness.
- CHECK BACK DOOR SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Back door lock assembly
Ground
Continuity
Connector
Terminal
D560
8
Yes
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace harness.
- CHECK BACK DOOR SWITCH
Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 5.
NO
Replace back door lock assembly. Refer to Removal and Installation .
- CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .
Inspection End.