Symptom Chart

WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. 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)	Circuitry SJB	REFER to MODULE COMMUNICATIONS NETWORK .
The courtesy lamps are inoperative	Fuse Circuitry SJB	Go to Pinpoint Test A .
An individual courtesy lamp is inoperative	Circuitry Interior lamp	Go to Pinpoint Test B .
The courtesy lamps stay on continuously	Circuitry Door ajar switch Liftgate ajar switch Dimmer switch Power liftgate module SJB	Go to Pinpoint Test C .
The courtesy lamps do not turn on with one door open	Circuitry Door ajar switch SJB	Go to Pinpoint Test D .
The demand lamps are inoperative	Fuse Circuitry SJB	Go to Pinpoint Test E .
An individual demand lamp is inoperative	Circuitry Interior lamp	Go to Pinpoint Test F .
The illuminated entry is inoperative when using the remote keyless entry (RKE) transmitter	RKE system SJB	Go to Pinpoint Test G .
The battery saver does not deactivate after time-out	Circuitry SJB	Go to Pinpoint Test H .
The puddle lamp(s) are inoperative	Fuse Circuitry Exterior mirror SJB	Go to Pinpoint Test I .
The puddle lamps stay on continuously	Circuitry SJB	Go to Pinpoint Test J .
The courtesy lamps are inoperative - from the dimmer switch	Circuitry Dimmer switch SJB	Go to Pinpoint Test K .
The courtesy lamps do not turn on with the liftgate open	Circuitry Liftgate ajar switch Power liftgate module SJB	Go to Pinpoint Test L .