Symptom Chart

WARNING: This page is about a different car, the 2009 Ford Flex. 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)	Wiring, terminals or connectors SJB	REFER to MODULE COMMUNICATIONS NETWORK .
No communication with the Liftgate/Trunk Module (LTM)	Wiring, terminals or connectors LTM	REFER to MODULE COMMUNICATIONS NETWORK .
The courtesy lamps flash on and off	The SJB is not configured correctly.	CONFIGURE the SJB . REFER to MODULE CONFIGURATION . TEST the system for normal operation.
The courtesy lamps are inoperative	Fuse Wiring, terminals or connectors SJB	Go To PINPOINT TEST A .
The courtesy lamps stay on continuously	Wiring, terminals or connectors Door ajar switch (part of the door latch) Liftgate ajar switch (part of the liftgate latch) Instrument panel dimmer switch LTM SJB	Go To PINPOINT TEST B .
An individual courtesy lamp is inoperative	Wiring, terminals or connectors Interior lamp	Go To PINPOINT TEST C .
The courtesy lamps do not turn on with one door open	Wiring, terminals or connectors Door ajar switch (part of the door latch) Instrument panel dimmer switch SJB	Go To PINPOINT TEST D .
The courtesy lamps do not turn on with the liftgate open	Wiring, terminals or connectors Liftgate ajar switch (part of the liftgate latch) LTM SJB	Go To PINPOINT TEST E .
The courtesy lamps are inoperative - from the instrument panel dimmer switch	Wiring, terminals or connectors Instrument panel dimmer switch SJB	Go To PINPOINT TEST F .
The puddle lamp(s) are inoperative	Fuse Wiring, terminals or connectors Exterior mirror Puddle lamp SJB	Go To PINPOINT TEST G .
The puddle lamps stay on continuously	Wiring, terminals or connectors SJB	Go To PINPOINT TEST H .
The demand lamps are inoperative	Fuse Wiring, terminals or connectors SJB	Go To PINPOINT TEST I .
An individual demand lamp is inoperative	Wiring, terminals or connectors Interior lamp	Go To PINPOINT TEST J .
The battery saver does not deactivate after time-out	Wiring, terminals or connectors SJB	Go To PINPOINT TEST K .
The ambient lighting is inoperative	Fuse Wiring, terminals or connectors Ambient lighting harness Ambient lighting switch Ambient lighting module	Go To PINPOINT TEST L .
The ambient lighting does not operate correctly - does not cycle through all color combinations	Wiring, terminals or connectors Ambient lighting harness Ambient lighting switch Ambient lighting module	Go To PINPOINT TEST M .