Symptom Chart

SYMPTOM

Condition	Possible Sources	Action
No communication with the front electronic module (FEM)	Circuitry (FEM)	REFER to MULTIFUNCTION ELECTRONIC MODULES to continue module communication diagnosis.
No communication with the instrument cluster	Circuitry Instrument cluster	REFER to INSTRUMENT CLUSTER .
The horn is inoperative	Circuitry Horn relay Horn switch Horn Front electronic module (FEM) Instrument cluster	GO to PINPOINT TEST A .
The horn is always on	Circuitry Horn relay Horn switch Front electronic module (FEM) Instrument cluster	GO to PINPOINT TEST B .