Pinpoint Test B: The Headlamp On Warning Chime Is Inoperative

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

B1 CHECK THE DRIVER DOOR SWITCH PID
- Connect the diagnostic tool.
- Key in ON position.
- Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Driver Door Switch PID
- Monitor the instrument cluster driver door switch PID while opening and closing the driver door.
- Does the PID agree with the door position?
1. YES : Go to B2.
2. NO : REFER to INTERIOR LIGHTING article to continue diagnosis of the door ajar switch.
B2 CHECK THE INSTRUMENT CLUSTER ILLUMINATION
- Verify the instrument cluster illumination operates correctly.
- Does the instrument cluster illumination operate correctly?
1. YES : Go to B3.
2. NO : REFER to INSTRUMENT CLUSTER AND PANEL ILLUMINATION article to continue diagnosis of the instrument cluster illumination.
B3 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION
- Disconnect all the instrument cluster connectors.
- Check for:
  - corrosion
  - damaged pins
  - pushed-out pins
- Connect all the instrument cluster connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
1. YES : INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER article. TEST the system for normal operation.
2. NO : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.