DTC B1176:13 [BCM]


id0902f5340800


Malfunction Location

•  Front door latch switch (passenger's side) circuit malfunction

Detection Condition

•  Open circuit in wiring harness between front door latch switch in front door latch and lock actuator (passenger's side) and BCM

Possible Causes

•  DTC inspection is performed with front door latch switch (passenger's side) on
•  Connection malfunction with connector
•  Open circuit in wiring harness between front door latch and lock actuator (passenger's side) terminal L and BCM terminal 7M
•  Front door latch and lock actuator (passenger's side) malfunction
•  BCM malfunction

System Wiring Diagram

am2zzw00002303

Diagnostic Procedure

Step

Inspection

Action

1
PERFORM DTC INSPECTION
•  Clear DTCs using the M-MDS.
•  Close the front passenger's door. (Front door latch switch off)
•  Perform the BCM DTC inspection using the M-MDS.
•  Is DTC B1176:13 displayed?
Yes
Go to the next step.
No
DTC troubleshooting completed.
2
INSPECT FRONT DOOR LATCH ACTUATOR (PASSENGER'S SIDE) CONNECTOR
•  Disconnect the negative battery cable.
•  Disconnect the front door latch and lock actuator (passenger's side) connector.
•  Verify the connection condition of the front door latch and lock actuator (passenger's side) and the wiring harness.
•  Is the front door latch and lock actuator (passenger's side) connector and wiring harness connection condition normal?
Yes
Go to the next step.
No
Repair or replace the connector, then go to the final step.
3
VERIFY FRONT DOOR LATCH AND LOCK ACTUATOR (PASSENGER'S SIDE) GROUND CIRCUIT CONDITION
•  Inspect for continuity between front door latch and lock actuator (passenger's side) terminal J and body ground.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the related wiring harness, then go to the final step.
4
VERIFY FRONT DOOR LATCH AND LOCK ACTUATOR (PASSENGER'S SIDE) CONDITION
•  Remove the front door latch and lock actuator (passenger's side).
•  Inspect the front door latch and lock actuator (passenger's side).
•  Is the front door latch and lock actuator (passenger's side) normal?
Yes
Go to the next step.
No
Replace the front door latch and lock actuator (passenger's side), then go to the final step.
5
VERIFY BCM CONNECTOR CONDITION
•  Disconnect the BCM connector.
•  Inspect the connection condition and wiring harness.
•  Are the connector terminals normal without damage, deformation, corrosion, or disconnection?
Yes
Go to the next step.
No
Repair or replace the connector, then go to the final step.
6
VERIFY WIRING HARNESS BETWEEN FRONT DOOR LATCH AND LOCK ACTUATOR (PASSENGER'S SIDE) AND BCM FOR OPEN CIRCUIT
•  Inspect for continuity between front door latch and lock actuator (passenger's side) terminal L and BCM terminal 7M.
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the related wiring harness, then go to the final step.
7
VERIFY TROUBLESHOOTING COMPLETED
•  Connect all the connectors.
•  Connect the battery cable.
•  Clear DTCs using the M-MDS.
•  Close the front passenger's door. (Front door latch switch off)
•  Perform the BCM DTC inspection using the M-MDS.
•  Is DTC B1176:13 displayed?
Yes
Replace the BCM.
No
DTC troubleshooting completed.