DTC B1174:13 [BCM]


id0902f5415300

DESCRIPTION

Door lock-link switch (passenger-side/LR/RR) circuit malfunction

DETECTION CONDITION
•  Open circuit in the door lock-link switch (passenger-side/LR/RR) circuit with the door lock-link switch (passenger-side/LR/RR) unlocked.
POSSIBLE CAUSE
All door lock-link switches do not operate:
•  BCM connector or terminals malfunction
•  Open circuit in wiring harness between the following terminals:
―  L.H.D.:
•  Front door latch and lock actuator (passenger-side) terminal L/Rear door latch and lock actuator (LH) terminal B/Rear door latch and lock actuator (RH) terminal L—BCM terminal 6J
―  R.H.D.:
•  Front door latch and lock actuator (passenger-side) terminal B/Rear door latch and lock actuator (LH) terminal B/Rear door latch and lock actuator (RH) terminal L—BCM terminal 6J
•  BCM malfunction
Only the door lock-link switch (passenger-side) does not operate:
•  L.H.D.:
―  Front door latch and lock actuator (passenger-side) connector or terminals malfunction
―  Open circuit in wiring harness between the following terminals:
•  Front door latch and lock actuator (passenger-side) terminal D—Body ground
―  Door lock-link switch (passenger-side) malfunction
―  Open circuit in wiring harness between the following terminals:
•  Front door latch and lock actuator (passenger-side) terminal L—BCM terminal 6J
―  BCM malfunction
•  R.H.D.:
―  Front door latch and lock actuator (passenger-side) connector or terminals malfunction
―  Open circuit in wiring harness between the following terminals:
•  Front door latch and lock actuator (passenger-side) terminal J—Body ground
―  Door lock-link switch (passenger-side) malfunction
―  Open circuit in wiring harness between the following terminals:
•  Front door latch and lock actuator (passenger-side) terminal B—BCM terminal 6J
―  BCM malfunction
Only the door lock-link switch (LR) does not operate:
•  Rear door latch and lock actuator (LH) connector or terminals malfunction
•  Open circuit in wiring harness between the following terminals:
―  Rear door latch and lock actuator (LH) terminal J—Body ground
•  Door lock-link switch (LR) malfunction
•  Open circuit in wiring harness between the following terminals:
―  Rear door latch and lock actuator (LH) terminal B—BCM terminal 6J
•  BCM malfunction
Only the door lock-link switch (RR) does not operate:
•  Rear door latch and lock actuator (RH) connector or terminals malfunction
•  Open circuit in wiring harness between the following terminals:
―  Rear door latch and lock actuator (RH) terminal D—Body ground
•  Door lock-link switch (RR) malfunction
•  Open circuit in wiring harness between the following terminals:
―  Rear door latch and lock actuator (RH) terminal L—BCM terminal 6J
•  BCM malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
CONFIRM BCM DTC
•  Clear the DTC using the M-MDS.
•  Perform the BCM DTC inspection using the M-MDS with the door lock-link switch (passenger-side/LR/RR) unlocked.
•  Is the same DTC present?
Yes
Go to the next step.
No
Go to Step 21.
2
VERIFY MALFUNCTIONING LOCATION
•  Operate the door lock-link switch lock and unlock.
•  Is there a door lock-link switch that does not operate?
Yes
All door lock-link switches do not operate:
•  Go to the next step.
Only the door lock-link switch (passenger-side) does not operate:
•  Go to Step 5.
Only the door lock-link switch (LR) does not operate:
•  Go to Step 10.
Only the door lock-link switch (RR) does not operate:
•  Go to Step 15.
No
Go to Step 20.
3
INSPECT BCM CONNECTOR AND TERMINALS
•  Switch the ignition to off.
•  Disconnect the negative battery cable.
•  Disconnect the BCM connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is there any malfunction?
Yes
Repair or replace the connector or terminals, then go to Step 20.
No
Go to the next step.
4
INSPECT DOOR LOCK-LINK SWITCH (PASSENGER-SIDE/LR/RR) CIRCUIT FOR OPEN CIRCUIT
•  Reconnect the BCM connector.
•  Reconnect the negative battery cable.
•  Measure the voltage at the following terminal (wiring harness-side):
―  BCM terminal 6J
•  Is the voltage normal?
Yes
Repair or replace the wiring harness for a possible open circuit, then go to Step 20.
No
Go to Step 20.
5
INSPECT FRONT DOOR LATCH AND LOCK ACTUATOR (PASSENGER-SIDE) CONNECTOR AND TERMINALS
•  Switch the ignition to off.
•  Disconnect the negative battery cable.
•  Disconnect the front door latch and lock actuator (passenger-side) connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is there any malfunction?
Yes
Repair or replace the connector or terminals, then go to Step 20.
No
Go to the next step.
6
VERIFY MALFUNCTIONING LOCATION
•  Front door latch and lock actuator (passenger-side) connector is disconnected.
•  Reconnect the negative battery cable.
•  Measure the voltage at the following terminal (wiring harness-side):
―  L.H.D.:
•  Front door latch and lock actuator (passenger-side) terminal L
―  R.H.D.:
•  Front door latch and lock actuator (passenger-side) terminal B
•  Is there any voltage?
Yes
Go to the next step.
No
Go to Step 9.
7
INSPECT DOOR LOCK-LINK SWITCH (PASSENGER-SIDE) CIRCUIT FOR OPEN CIRCUIT
•  Front door latch and lock actuator (passenger-side) connector is disconnected.
•  Disconnect the negative battery cable.
•  Inspect for continuity between the following terminal (wiring harness-side) and body ground:
―  L.H.D.:
•  Front door latch and lock actuator (passenger-side) terminal D
―  R.H.D.:
•  Front door latch and lock actuator (passenger-side) terminal J
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to Step 20.
8
INSPECT DOOR LOCK-LINK SWITCH (PASSENGER-SIDE)
•  Inspect the door lock-link switch (passenger-side).
•  Is there any malfunction?
Yes
Replace the front door latch and lock actuator (passenger-side), then go to Step 20.
No
Go to Step 20.
9
INSPECT DOOR LOCK-LINK SWITCH (PASSENGER-SIDE) CIRCUIT FOR OPEN CIRCUIT
•  Front door latch and lock actuator (passenger-side) connector is disconnected.
•  Reconnect the negative battery cable.
•  Measure the voltage at the following terminal (wiring harness-side):
―  BCM terminal 6J
•  Is there any voltage?
Yes
L.H.D.:
•  Repair or replace the wiring harness between front door latch and lock actuator (passenger-side) terminal L and BCM terminal 6J.
R.H.D.:
•  Repair or replace the wiring harness between front door latch and lock actuator (passenger-side) terminal B and BCM terminal 6J.
Go to Step 20.
No
Go to Step 20.
10
INSPECT REAR DOOR LATCH AND LOCK ACTUATOR (LH) CONNECTOR AND TERMINALS
•  Switch the ignition to off.
•  Disconnect the negative battery cable.
•  Disconnect the rear door latch and lock actuator (LH) connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is there any malfunction?
Yes
Repair or replace the connector or terminals, then go to Step 20.
No
Go to the next step.
11
VERIFY MALFUNCTIONING LOCATION
•  Rear door latch and lock actuator (LH) connector is disconnected.
•  Reconnect the negative battery cable.
•  Measure the voltage at the following terminal (wiring harness-side):
―  Rear door latch and lock actuator (LH) terminal B
•  Is there any voltage?
Yes
Go to the next step.
No
Go to Step 14.
12
INSPECT DOOR LOCK-LINK SWITCH (LR) CIRCUIT FOR OPEN CIRCUIT
•  Rear door latch and lock actuator (LH) connector is disconnected.
•  Disconnect the negative battery cable.
•  Inspect for continuity between the following terminal (wiring harness-side) and body ground:
―  Rear door latch and lock actuator (LH) terminal J
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to Step 20.
13
INSPECT DOOR LOCK-LINK SWITCH (LR)
•  Inspect the door lock-link switch (LR).
•  Is there any malfunction?
Yes
Replace the rear door latch and lock actuator (LH), then go to Step 20.
No
Go to Step 20.
14
INSPECT DOOR LOCK-LINK SWITCH (LR) CIRCUIT FOR OPEN CIRCUIT
•  Rear door latch and lock actuator (LH) connector is disconnected.
•  Reconnect the negative battery cable.
•  Measure the voltage at the following terminal (wiring harness-side):
―  BCM terminal 6J
•  Is there any voltage?
Yes
Repair or replace the wiring between rear door latch and lock actuator (LH) terminal B and BCM terminal 6J, then go to Step 20.
No
Go to Step 20.
15
INSPECT REAR DOOR LATCH AND LOCK ACTUATOR (RH) CONNECTOR AND TERMINALS
•  Switch the ignition to off.
•  Disconnect the negative battery cable.
•  Disconnect the rear door latch and lock actuator (RH) connector.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Is there any malfunction?
Yes
Repair or replace the connector or terminals, then go to Step 20.
No
Go to the next step.
16
VERIFY MALFUNCTIONING LOCATION
•  Rear door latch and lock actuator (RH) connector is disconnected.
•  Reconnect the negative battery cable.
•  Measure the voltage at the following terminal (wiring harness-side):
―  Rear door latch and lock actuator (RH) terminal L
•  Is there any voltage?
Yes
Go to the next step.
No
Go to Step 19.
17
INSPECT DOOR LOCK-LINK SWITCH (RR) CIRCUIT FOR OPEN CIRCUIT
•  Rear door latch and lock actuator (RH) connector is disconnected.
•  Disconnect the negative battery cable.
•  Inspect for continuity between the following terminal (wiring harness-side) and body ground:
―  Rear door latch and lock actuator (RH) terminal D
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to Step 20.
18
INSPECT DOOR LOCK-LINK SWITCH (RR)
•  Inspect the door lock-link switch (RR).
•  Is there any malfunction?
Yes
Replace the rear door latch and lock actuator (RH), then go to Step 20.
No
Go to Step 20.
19
INSPECT DOOR LOCK-LINK SWITCH (RR) CIRCUIT FOR OPEN CIRCUIT
•  Rear door latch and lock actuator (RH) connector is disconnected.
•  Reconnect the negative battery cable.
•  Measure the voltage at the following terminal (wiring harness-side):
―  BCM terminal 6J
•  Is there any voltage?
Yes
Repair or replace the wiring between rear door latch and lock actuator (RH) terminal L and BCM terminal 6J, then go to the next step.
No
Go to the next step.
20
VERIFY TROUBLESHOOTING COMPLETED
•  Make sure to reconnect the disconnected connectors.
•  Reconnect the negative battery cable.
•  Clear the DTC using the M-MDS.
•  Perform the BCM DTC inspection using the M-MDS with the door lock-link switch (passenger-side/LR/RR) unlocked.
•  Is the same DTC present?
Yes
Replace the BCM, then go to the next step.
No
Go to the next step.
21
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.