Pinpoint Test O: The AUTOLAMPS Operate, But Parking, Rear Or License Lamps Are Inoperative
WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
- O1 CHECK THE PARKING LAMP OPERATION
- Key in OFF position.
- Place the headlamp switch in the parking lamps ON position.
- Are the parking lamps illuminated?
- Yes : TURN the headlamp switch off. GO to O2.
- No : GO to diagnose the manual operation of the parking lamps.
- O2 CHECK CIRCUIT 14 (BN) FOR AN OPEN
- Disconnect: Vehicle Security Module C3008a.
- Place the headlamp switch in the parking lamps ON position.
- Measure the voltage between vehicle security module C3008a-6, circuit 14 (BN), harness side and ground
- Is the voltage greater than 10 volts?
- Yes : TURN the headlamp switch off. GO to O3.
- No : REPAIR the circuit. TEST the system for normal operation.
- O3 CHECK CIRCUIT 195 (TN/WH) FOR POWER
- Measure the voltage between vehicle security module C3008a-7, circuit 195 (TN/WH), harness side and ground.
- Is the voltage greater than 10 volts?
- Yes : GO to O4.
- No : REPAIR the circuit. TEST the system for normal operation.
- O4 CHECK FOR CORRECT 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 or vehicle security module. REFER to MULTIFUNCTION ELECTRONIC MODULES . 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. TEST the system for normal operation.