Pinpoint Test An: The Headlamp On Reminder Chime Is Inoperative
WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
- AN1 CHECK THE COURTESY LAMPS
- Open the driver door.
- Do the courtesy lamps illuminate?
- YES : Go to AN2.
- NO : REFER to INTERIOR LIGHTING article.
- AN2 CARRY OUT THE HEADLAMP ON WARNING CHIME ACTIVE COMMAND USING THE SCAN TOOL
- Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster (IC) DataLogger
- Select the instrument cluster (IC) headlamp on warning chime (CHIME_H_LMP) active command. Command the headlamp on warning chime on.
- Does the headlamp on warning chime sound?
- AN3 CHECK CIRCUIT 14 (BN) FOR AN OPEN
- Key in OFF position.
- Disconnect: Instrument Cluster (IC) C220a
- Place the headlamp switch in the PARKING LAMPS position.
- Measure the voltage between the instrument cluster (IC) C220a-7, circuit 14 (BN), harness side and ground.
- Is the voltage greater than 10 volts?
- YES : Go to AN4.
- NO : REPAIR the circuit. TEST the system for normal operation.
- AN4 CHECK FOR CORRECT INSTRUMENT CLUSTER (IC) OPERATION
- Disconnect all the instrument cluster (IC) connectors.
- Check for:
- corrosion
- damaged pins
- pushed out pins
- Connect all the instrument cluster (IC) 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 (IC). REFER to Instrument Cluster (IC) . TEST the system for normal operation.
- NO : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.