Ranger 4WD V6-4.0L (2009)
Courtesy Lamp: Initial Inspection and Diagnostic Overview
Special Tools Used With Diagnostics
Interior Lighting
Inspection and Verification
Interior Lighting
Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical or electrical damage.
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. NOTE: Make sure to use the latest scan tool software release.
If the cause is not visually evident, connect the scan tool to the Data Link Connector (DLC).
5. NOTE: The Vehicle Communication Module (VCM) LED prove-out confirms power and ground from the DLC are provided to the VCM.
If the scan tool does not communicate with the VCM:
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Check the VCM connection to the vehicle.
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Check the scan tool connection to the VCM.
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Refer to Information Bus, No Power to the Scan Tool, to diagnose no power to the scan tool.
6. If the scan tool does not communicate with the vehicle:
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Verify the ignition key is in the ON position.