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1
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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?
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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 11.
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2
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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 10.
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No
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Go to the next step.
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3
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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 10.
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No
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Go to the next step.
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4
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INSPECT REAR DOOR LATCH AND LOCK ACTUATOR (LH) CONNECTOR AND TERMINALS
• 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 10.
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No
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Go to the next step.
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5
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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 10.
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No
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Go to the next step.
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6
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INSPECT REAR DOOR LATCH AND LOCK ACTUATOR (RH) CONNECTOR AND TERMINALS
• 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 10.
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No
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Go to the next step.
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7
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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 10.
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No
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Go to the next step.
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8
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INSPECT BCM CONNECTOR AND TERMINALS
• 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 10.
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No
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Go to the next step.
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9
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INSPECT DOOR LOCK-LINK SWITCH (PASSENGER-SIDE/LR/RR) CIRCUIT FOR SHORT TO GROUND
• Front door latch and lock actuator (passenger-side), rear door latch and lock actuator (LH), rear door latch and lock actuator (RH) and BCM connectors are disconnected.
• Inspect for continuity between the following terminal (wiring harness-side) and body ground:
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― L.H.D.:
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• Front door latch and lock actuator (passenger-side) terminal L
― R.H.D.:
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• Front door latch and lock actuator (passenger-side) terminal B
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a possible short to ground, then go to the next step.
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No
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Go to the next step.
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10
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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.
• 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?
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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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11
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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.
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No
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DTC troubleshooting completed.
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