Symptom Chart

WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. 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)	Fuse(s). Circuitry open/shorted. Smart junction box (SJB).	REFER to MODULE COMMUNICATIONS NETWORK .
The interior lamps are inoperative	Fuse(s). Circuitry open. Smart junction box (SJB).	GO to PINPOINT TEST A .
The interior lamps are inoperative using the dimmer control	Circuitry open. Dimmer control. Smart junction box (SJB).	GO to PINPOINT TEST B .
Any interior or cargo lamp are inoperative	Lamp. Circuitry open. Smart junction box (SJB).	GO to PINPOINT TEST C .
The puddle lamps are inoperative	Lamp. Circuitry open. Smart junction box (SJB).	GO to PINPOINT TEST D .
The interior lamps stay on continuously	Door ajar switch(es). Circuitry open/shorted. Smart junction box (SJB).	GO to PINPOINT TEST E .
The interior lamps do not turn on with one door open	Door ajar switch(es). Circuitry shorted. Smart junction box (SJB).	GO to PINPOINT TEST F .
The demand lighting is inoperative	Circuitry open. Smart junction box (SJB).	GO to PINPOINT TEST G .
An individual demand lamp is inoperative	Circuitry open. Lamp.	GO to PINPOINT TEST H .
The illuminated entry is inoperative when using the remote keyless entry (RKE) transmitter/keyless entry keypad	Circuitry open. Smart junction box (SJB).	GO to PINPOINT TEST I .