Symptom Chart

WARNING: This page is about a different car, the 2005 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the module - unable to carry out on-demand self-test on the lighting control module (LCM)	LCM Fuse Circuitry	Refer to MULTIFUNCTION ELECTRONIC MODULES .
No communication with the module - restraint control module (RCM)	RCM Fuse Circuitry	Refer to SUPPLEMENTAL RESTRAINT SYSTEM .
The safety belt warning chime does not operate correctly	LF safety belt switch Lighting control module (LCM) Circuitry	Refer to SUPPLEMENTAL RESTRAINT SYSTEM .
The belt minder feature does not operate correctly	LF safety belt switch RF safety belt switch Lighting control module (LCM) Circuitry	INSTALL a new LCM. Refer to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
The key-in-ignition chime does not operate correctly	Lighting control module (LCM) Key warning switch Driver door module (DDM) Driver door ajar switch Circuitry	GO to PINPOINT TEST A .
The door ajar chime does not operate correctly	Lighting control module (LCM) Driver door ajar switch Passenger door ajar switches Key warning switch Circuitry Driver door module (DDM)	GO to PINPOINT TEST B .
All the chimes/buzzers are inoperative	Lighting control module (LCM)	INSTALL a new LCM. Refer to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
The headlamp on reminder chime does not operate correctly	Lighting control module (LCM) Door ajar switches Circuitry	GO to PINPOINT TEST C .
The chime sounds when the driver door is ajar (no key in ignition and headlamps OFF)	Lighting control module (LCM) Key warning switch Circuitry	GO to PINPOINT TEST D .
A chime does not operate correctly - air bag warning chime	Lighting control module (LCM) Circuitry Restraint control module (RCM)	Refer to SUPPLEMENTAL RESTRAINT SYSTEM .
A chime does not operate correctly - decklid ajar tone	Lighting control module (LCM) Circuitry	GO to PINPOINT TEST E .
A chime does not operate correctly - message center warning and/or switch depression tones	Lighting control module (LCM) Circuitry Hybrid electronic cluster (HEC)	INSTALL a new LCM. Refer to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation. If the problem is still present, INSTALL a new HEC. Refer to INSTRUMENT CLUSTER . TEST the system for normal operation.
A chime does not operate correctly - turn signal warning tone	Circuitry Lighting control module (LCM) Anti-lock brake system (ABS) module	GO to PINPOINT TEST F .