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1
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VERIFY REAR BODY CONTROL MODULE (RBCM) DTCs AGAIN
• Clear the DTC for the rear body control module (RBCM) using the M-MDS.
• Operate the light switch in HEAD position and the fog light switch in R.FOG position.
• Retrieve the rear body control module (RBCM) DTCs using the M-MDS.
• Is the same DTC displayed?
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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 8.
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2
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INSPECT REAR FOG LIGHT CONNECTOR
• Switch the ignition off.
• Disconnect the negative battery cable.
• Disconnect the rear fog light connector.
• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
• Is the connector normal?
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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 connector, then go to Step 7.
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3
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INSPECT REAR FOG LIGHT BULB
• Inspect the rear fog light bulb.
• Is the rear fog light bulb normal?
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Yes
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Go to the next step.
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No
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Replace the rear fog light bulb, then go to Step 7.
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4
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INSPECT FOR OPEN CIRCUIT IN REAR FOG LIGHT GROUND CIRCUIT
• Verify that the rear fog light connector is disconnected.
• Inspect for continuity between rear fog light terminal B (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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Refer to the wiring diagram and verify whether or not there is a common connector between rear fog light terminal B and body ground.
If there is a common connector:
• Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.
• Repair or replace the malfunctioning part.
If there is no common connector:
• Repair or replace the wiring harness which has an open circuit.
Go to Step 7.
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5
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INSPECT REAR BODY CONTROL MODULE (RBCM) CONNECTOR
• Disconnect the rear body control module (RBCM) connector.
• Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
• Is the connector normal?
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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 connector, then go to Step 7.
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6
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INSPECT FOR OPEN CIRCUIT IN REAR FOG LIGHT CIRCUIT
• Verify that the rear body control module (RBCM) and rear fog light connectors are disconnected.
• Inspect for continuity between rear body control module (RBCM) terminal 4Q (wiring harness-side) and rear fog light terminal A (wiring harness-side).
• 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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Refer to the wiring diagram and verify whether or not there is a common connector between rear body control module (RBCM) terminal 4Q and rear fog light terminal A.
If there is a common connector:
• Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.
• Repair or replace the malfunctioning part.
If there is no common connector:
• Repair or replace the wiring harness which has an open circuit.
Go to the next step.
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7
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VERIFY THAT REPAIRS HAVE BEEN COMPLETED
• Always reconnect all disconnected connectors.
• Reconnect the negative battery cable.
• Clear the DTC for the rear body control module (RBCM) using the M-MDS.
• Operate the light switch in HEAD position and the fog light switch in R.FOG position.
• Retrieve the rear body control module (RBCM) DTCs using the M-MDS.
• Is the same DTC displayed?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the rear body control module (RBCM).
Go to the next step.
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No
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Go to the next step.
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8
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VERIFY IF OTHER DTCs DISPLAYED
• Are any other DTCs displayed?
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Yes
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Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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