• Malfunction in the related wiring harnesses
• Malfunction in the rear fog light switch
• Malfunction in the rear fog light relay
• Instrument cluster malfunction
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STEP
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INSPECTION
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ACTION
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1
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INSPECT REAR FOG LIGHT SWITCH OPERATION
Disconnect the rear fog light switch connector.
Does the rear fog light go out?
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Yes
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Replace the rear fog light switch. (See REAR FOG LIGHT SWITCH REMOVAL/INSTALLATION.)
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No
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Go to the next step.
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2
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INSPECT INSTRUMENT CLUSTER OPERATION
Disconnect the instrument cluster connector.
Does the rear fog light go out?
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Yes
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Go to Step 4.
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No
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Go to the next step.
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3
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INSPECT REAR FOG LIGHT RELAY
Disconnect the rear fog light relay connector.
Does the rear fog light go out?
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Yes
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Replace the rear fog light switch. (See REAR FOG LIGHT SWITCH REMOVAL/INSTALLATION.)
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No
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Repair the short circuit to ground in the related wiring harnesses.
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4
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INSPECT INSTRUMENT CLUSTER OPERATION
Disconnect all the instrument cluster connectors.
Inspect for the following items:
• Corrosion
• Terminal separation
Connect all the connectors and verify that their positions are correct.
Operate the system and inspect for any malfunction.
Is there any malfunction?
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Yes
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Replace the instrument cluster.
Clear the DTC.
Perform the DTC inspection for the instrument cluster.
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No
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Repair the short circuit to ground in the related wiring harnesses.
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