Pinpoint Test AW: The Headlamp On Reminder Chime Is Inoperative
WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
- AW1 CHECK THE INTERIOR LAMPS
- Open the driver door.
- Does the interior dome lamp illuminate when the door is open?
Yes
GO to AW2.
No
REPAIR the interior dome lamps. Refer to INTERIOR LIGHTING .
- AW2 CHECK THE INSTRUMENT ILLUMINATION LAMPS
- Turn the parking lamps ON.
- Are the instrument illumination lamps on?
Yes
GO to AW3.
No
Go To PINPOINT TEST B .
- AW3 CHECK THE VEHICLE SECURITY MODULE OUTPUT
- Turn the autolamps OFF.
- Connect the diagnostic tool.
- Turn the parking lamps ON.
- Monitor the headlamp switch status PID.
- Does the headlamp switch PID show the parking lamps on?
Yes
GO to AW4.
No
GO to AW5.
- AW4 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION
- Disconnect all instrument cluster connectors.
- Check for:
- corrosion
- pushed-out pins
- Connect all instrument cluster connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
Yes
INSTALL a new instrument cluster. Refer to INSTRUMENT CLUSTER . TEST the system for normal operation.
No
The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
- AW5 CHECK FOR VEHICLE SECURITY MODULE OPERATION
- Disconnect all vehicle security module connectors.
- Check for:
- corrosion
- pushed-out pins
- Connect all vehicle security module connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
Yes
INSTALL a new vehicle security module. Section 419-01. TEST the system for normal operation.
No
The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.