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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 WINDSHIELD WIPER AND WASHER SWITCH CONNECTOR
• Disconnect the windshield wiper and washer switch connector.
• Inspect the windshield wiper and washer switch connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to Step 5.
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No
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Go to the next step.
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2
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INSPECT BCM CONNECTOR
• Disconnect the BCM connector.
• Inspect the BCM connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to Step 5.
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No
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Go to the next step.
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3
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INSPECT WINDSHIELD WIPER AND WASHER SWITCH SIGNAL CIRCUIT FOR SHORT TO GND
• Inspect for continuity between BCM terminal 4I (wiring harness-side) and body GND.
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a possible short to GND, then go to Step 5.
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No
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Go to the next step.
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4
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INSPECT WINDSHIELD WIPER AND WASHER SWITCH
• Inspect the windshield wiper and washer switch.
• Is there any malfunction?
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Yes
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Replace the windshield wiper and washer switch, then go to the next step.
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No
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Go to the next step.
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5
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VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the BCM memory using the WDS or equivalent.
• Is the same DTC present?
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Yes
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Replace the BCM.
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No
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DTC troubleshooting completed.
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