Symptom Chart

WARNING: This page is about a different car, the 2009 Mercury Mountaineer, 2009 Ford Explorer Sport Trac, and 2009 Ford Explorer. 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 Wiring, terminals or connectors SJB	REFER to MODULE COMMUNICATIONS NETWORK article.
The courtesy lamps are inoperative	Fuse Wiring, terminals or connectors SJB	Go to Pinpoint Test A .
An individual courtesy lamp is inoperative	Wiring, terminals or connectors Interior lamp	Go to Pinpoint Test B .
The courtesy lamps stay on continuously	Wiring, terminals or connectors Ajar switch Instrument panel dimmer switch SJB	Go to Pinpoint Test C .
The courtesy lamps do not turn on with one door open	Wiring, terminals or connectors Ajar switch SJB	Go to Pinpoint Test D .
The demand lamps are inoperative	Fuse Wiring, terminals or connectors SJB	Go to Pinpoint Test E .
An individual demand lamp is inoperative	Wiring, terminals or connectors 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 glove compartment lamp is inoperative	Wiring, terminals or connectors Glove compartment lamp SJB	Go to Pinpoint Test H .
The battery saver does not deactivate after time-out	Wiring, terminals or connectors SJB	Go to Pinpoint Test I .
The puddle lamps are inoperative - Explorer, Mountaineer	Wiring, terminals or connectors Exterior mirror SJB	Go to Pinpoint Test J .
The puddle lamps/cargo lamp is inoperative - Explorer Sport Trac	Wiring, terminals or connectors Exterior mirror SJB	Go to Pinpoint Test L .
The courtesy lamps are inoperative from the instrument panel dimmer switch	Wiring, terminals or connectors Instrument panel dimmer switch SJB	Go to Pinpoint Test K .
The puddle lamps/cargo lamp is always on	Wiring, terminals or connectors SJB	Go to Pinpoint Test M .