DTC B1174:13 [BCM]
id0902f5415300
DESCRIPTION |
Door lock-link switch (passenger-side/LR/RR) circuit malfunction |
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DETECTION CONDITION
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• Open circuit in the door lock-link switch (passenger-side/LR/RR) circuit with the door lock-link switch (passenger-side/LR/RR) unlocked.
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POSSIBLE CAUSE
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All door lock-link switches do not operate:
• BCM connector or terminals malfunction
• Open circuit in wiring harness between the following terminals:
• BCM malfunction
Only the door lock-link switch (passenger-side) does not operate:
• L.H.D.:
• R.H.D.:
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:
• Door lock-link switch (LR) malfunction
• Open circuit in wiring harness between the following terminals:
• 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:
• Door lock-link switch (RR) malfunction
• Open circuit in wiring harness between the following terminals:
• BCM malfunction
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Diagnostic Procedure
STEP |
INSPECTION |
ACTION |
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1
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CONFIRM BCM DTC
• Clear the DTC using the M-MDS.
(See CLEARING DTC [BCM].)
• Perform the BCM DTC inspection using the M-MDS with the door lock-link switch (passenger-side/LR/RR) unlocked.
(See DTC INSPECTION [BCM].)
• Is the same DTC present?
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Yes
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Go to the next step.
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No
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Go to Step 21.
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2
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VERIFY MALFUNCTIONING LOCATION
• Operate the door lock-link switch lock and unlock.
• Is there a door lock-link switch that does not operate?
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Yes
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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.
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No
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Go to Step 20.
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3
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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?
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Yes
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Repair or replace the connector or terminals, then go to Step 20.
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No
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Go to the next step.
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4
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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):
• Is the voltage normal?
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Yes
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Repair or replace the wiring harness for a possible open circuit, then go to Step 20.
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No
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Go to Step 20.
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5
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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?
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Yes
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Repair or replace the connector or terminals, then go to Step 20.
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No
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Go to the next step.
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6
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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):
• Is there any voltage?
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Yes
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Go to the next step.
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No
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Go to Step 9.
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7
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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:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for a possible open circuit, then go to Step 20.
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8
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INSPECT DOOR LOCK-LINK SWITCH (PASSENGER-SIDE)
• Inspect the door lock-link switch (passenger-side).
• Is there any malfunction?
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Yes
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Replace the front door latch and lock actuator (passenger-side), then go to Step 20.
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No
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Go to Step 20.
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9
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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):
• Is there any voltage?
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Yes
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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.
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No
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Go to Step 20.
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10
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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?
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Yes
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Repair or replace the connector or terminals, then go to Step 20.
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No
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Go to the next step.
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11
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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):
• Is there any voltage?
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Yes
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Go to the next step.
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No
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Go to Step 14.
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12
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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:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for a possible open circuit, then go to Step 20.
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13
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INSPECT DOOR LOCK-LINK SWITCH (LR)
• Inspect the door lock-link switch (LR).
• Is there any malfunction?
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Yes
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Replace the rear door latch and lock actuator (LH), then go to Step 20.
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No
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Go to Step 20.
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14
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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):
• Is there any voltage?
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Yes
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Repair or replace the wiring between rear door latch and lock actuator (LH) terminal B and BCM terminal 6J, then go to Step 20.
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No
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Go to Step 20.
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15
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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?
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Yes
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Repair or replace the connector or terminals, then go to Step 20.
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No
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Go to the next step.
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16
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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):
• Is there any voltage?
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Yes
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Go to the next step.
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No
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Go to Step 19.
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17
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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:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for a possible open circuit, then go to Step 20.
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18
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INSPECT DOOR LOCK-LINK SWITCH (RR)
• Inspect the door lock-link switch (RR).
• Is there any malfunction?
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Yes
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Replace the rear door latch and lock actuator (RH), then go to Step 20.
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No
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Go to Step 20.
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19
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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):
• Is there any voltage?
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Yes
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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.
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No
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Go to the next step.
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20
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VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect the disconnected connectors.
• Reconnect the negative battery cable.
• Clear the DTC using the M-MDS.
(See CLEARING DTC [BCM].)
• Perform the BCM DTC inspection using the M-MDS with the door lock-link switch (passenger-side/LR/RR) unlocked.
(See DTC INSPECTION [BCM].)
• Is the same DTC present?
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Yes
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Replace the BCM, then go to the next step.
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No
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Go to the next step.
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21
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VERIFY THAT NO OTHER DTCs ARE PRESENT
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [BCM].)
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No
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DTC troubleshooting completed.
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