Symptom Chart

WARNING: This page is about a different car, the 2010 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 lighting control module (LCM)	Wiring, terminals or connectors LCM	REFER to DIAGNOSTIC TESTS article to diagnose the no communication problem.
No power in all ignition switch positions	Fuse(s) Ignition switch Wiring, terminals or connectors	Go to Pinpoint Test A .
No power in RUN/ACC position	Fuse(s) Ignition switch Wiring, terminals or connectors	Go to Pinpoint Test B .
No power in RUN/START position	Fuse(s) Ignition switch Wiring, terminals or connectors	Go to Pinpoint Test C .
The ignition key is hard to turn	Ignition key Ignition lock cylinder Ignition switch	Go to the Ignition Switch - Mechanical Test under Component Tests .