DTC B1330 [BCM]
id0902f5838100
DTC B1330 |
Passenger door ajar circuit short to ground |
---|---|
DETECTION CONDITION
|
Short to GND in wiring harness between BCM and front door switch (passenger-side)
|
POSSIBLE CAUSE
|
• Short to GND in wiring harness between BCM terminal 6M and front door switch (passenger-side) terminal A
• Front door switch malfunction
• BCM malfunction
|
![]() |
Diagnostic procedure
STEP |
INSPECTION |
ACTION |
|
---|---|---|---|
1
|
INSPECT FRONT DOOR SWITCH (PASSENGER-SIDE) CONNECTOR
• Turn the ignition switch off.
• Disconnect the front door switch (passenger-side) connector.
• Inspect the front door switch (passenger-side) connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
|
Yes
|
Repair or replace the terminal, then go to Step 5.
|
No
|
Go to the next step.
|
||
2
|
INSPECT BCM CONNECTOR
• Disconnect the BCM connector.
• Inspect the BCM connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
|
Yes
|
Repair or replace the terminal, then go to Step 5.
|
No
|
Go to the next step.
|
||
3
|
INSPECT FRONT DOOR SWITCH (PASSENGER-SIDE) SIGNAL CIRCUIT FOR SHORT TO GND
• Inspect for continuity between BCM terminal 6M (wiring harness-side) and body GND.
• Is there continuity?
|
Yes
|
Repair or replace the wiring harness for a possible short to GND, then go to Step 5.
|
No
|
Go to the next step.
|
||
4
|
INSPECT FRONT DOOR SWITCH (PASSENGER-SIDE)
• Inspect the front door switch (passenger-side).
(See DOOR SWITCH INSPECTION.)
• Is there any malfunction?
|
Yes
|
Replace the front door switch (passenger-side), then go to the next step.
|
No
|
Go to the next step.
|
||
5
|
VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the BCM memory using the M-MDS.
• Perform the BCM DTC inspection.
(See DTC INSPECTION [BCM].)
• Is the same DTC present?
|
Yes
|
Replace the BCM.
|
No
|
DTC troubleshooting completed.
|