Diagnosis Procedure
- CHECK FOR FOREIGN MATERIALS IN BACK DOOR LOCK ASSEMBLY
Check for entry of foreign materials in back door lock assembly.
Is the inspection result normal?
YES
GO TO 2.
NO
Remove foreign materials.
- CLEAR DIAGNOSTIC TROUBLE CODES
Clear diagnostic trouble codes, and attempt operation of back door.
YES
Inspection End.
NO
GO TO 3.
- CHECK BACK DOOR OPEN/CLOSE OPERATION
Clear diagnostic trouble codes, and attempt operation of back door.
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace the malfunction parts.
- CLEAR DIAGNOSTIC TROUBLE CODES
Clear diagnostic trouble codes, and attempt operation of back door.
Does the door operate?
YES
Inspection End.
NO
GO TO 5.
- CHECK HALF LATCH SWITCH MONITOR ITEM
CONSULT
- Select AUTOMATIC BACK DOOR CONTROL MODULE.
- Select HALF LATCH SW in DATA MONITOR mode.
- Check that the function operates normally according to the following conditions.
Monitor item
Condition
Status
HALF LATCH SW
Back door
Fully closed/Open
OFF
Half latch
ON
Is the inspection result normal?
YES
GO TO 8.
NO
GO TO 6.
- CLEAR DIAGNOSTIC TROUBLE CODES
Clear diagnostic trouble codes, and attempt operation of back door.
Does the door operate?
YES
Inspection End.
NO
GO TO 7.
- CHECK HALF LATCH SWITCH INPUT SIGNAL
- Turn ignition switch OFF.
- Disconnect back door lock assembly connector.
- Check voltage between back door lock assembly harness connector and ground.
(+)
(-)
Voltage
(Approx.)
Back door lock assembly
Connector
Terminal
D557
6
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 8.
NO
GO TO 9.
- CLEAR DIAGNOSTIC TROUBLE CODES
Clear diagnostic trouble codes, and attempt operation of back door.
Does the door operate?
YES
Inspection End.
NO
GO TO 9.
- CHECK HALF LATCH SWITCH CIRCUIT
- Disconnect automatic back door control module connector.
- Check continuity between automatic back door control module harness connector and back door lock assembly harness connector.
Automatic back door control module
Back door lock assembly
Continuity
Connector
Terminal
Connector
Terminal
B55
3
D557
6
Yes
- Check continuity between automatic back door control module harness connector and ground.
Automatic back door control module
Ground
Continuity
Connector
Terminal
B55
3
No
Is the inspection result normal?
YES
GO TO 10.
NO
Repair or replace harness.
- CHECK HALF LATCH SWITCH GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Back door lock assembly
Ground
Continuity
Connector
Terminal
D557
8
Yes
Is the inspection result normal?
YES
GO TO 11.
NO
Repair or replace back door lock assembly ground circuit.
- CLEAR DIAGNOSTIC TROUBLE CODES
Clear diagnostic trouble codes, and attempt operation of back door.
Does the door operate?
YES
Inspection End.
NO
GO TO 12.
- CHECK HALF LATCH SWITCH
Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 13.
NO
Replace back door lock assembly. Refer to Removal and Installation .
- CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .
Inspection End.