Symptom Chart

WARNING: This page is about a different car, the 2005 Mercury Sable and 2005 Ford Taurus. 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 smart junction box (SJB)	SJB fuse 30 (10A). Circuitry. SJB.	REFER to MULTIFUNCTION ELECTRONIC MODULES .
The interior lamps are inoperative	Bulb(s). Circuitry. Smart junction box (SJB).	GO to PINPOINT TEST A .
An individual interior lamp is inoperative	Lamp(s). Circuitry. Bulb(s).	GO to PINPOINT TEST B .
The interior lamps stay on continuously	Ajar switch. Headlamp switch. Circuitry. Smart junction box (SJB).	GO to PINPOINT TEST C .
The interior lamps do not turn on with one door open	Ajar switch. Circuitry. Smart junction box (SJB).	GO to PINPOINT TEST D .
The illuminated entry is inoperative - using the remote keyless entry (RKE) transmitter/keyless entry keypad	Bulb(s). Circuitry. Smart junction box (SJB).	GO to PINPOINT TEST E .
The demand lighting is inoperative	Bulb(s). Circuitry	GO to PINPOINT TEST F .
An individual demand lamp is inoperative	Bulb. Circuitry. Lamp.	GO to PINPOINT TEST G .
The battery saver does not operate correctly	Battery saver relay. Circuitry. Smart junction box (SJB).	GO to PINPOINT TEST H .