Symptom Chart

WARNING: This page is about a different car, the 2011 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to Description and Operation, Intelligent Access (IA) with Push Button Start in ANTI-THEFT SYSTEM - PERIMETER article to review the procedures for achieving the various ignition states (ignition off, ignition in accessory, ignition on, ignition start).

SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the Interior Lighting Control Module (ILCM)	Wiring, terminals or connectors ILCM	REFER to MODULE COMMUNICATIONS NETWORK article, The ILCM Does Not Respond to the Scan Tool.
The courtesy lamps flash on and off	Smart Junction Box (SJB) not configured correctly	CONFIGURE the SJB. REFER to MODULE CONFIGURATION SYSTEM article. TEST the system for normal operation.
The courtesy lamps do not illuminate with a door open	Wiring, terminals or connectors Door ajar switch Remote Function Actuator (RFA) module	GO to PINPOINT TEST A .
The courtesy lamps do not illuminate with the liftgate open	Wiring, terminals or connectors Liftgate/Trunk Module (LTM) RFA module	GO to PINPOINT TEST B .
The courtesy lamps do not illuminate from the instrument panel dimmer switch	Wiring, terminals or connectors Instrument panel dimmer switch SJB	GO to PINPOINT TEST C .
The interior courtesy lamp(s) are inoperative	Fuse Wiring, terminals or connectors Interior lamp SJB	GO to PINPOINT TEST D .
The puddle lamp(s) are inoperative	Fuse Wiring, terminals or connectors Exterior mirror SJB	GO to PINPOINT TEST E .
The scuff plate lamp(s) are inoperative	Wiring, terminals or connectors Scuff plate lamp	GO to PINPOINT TEST F .
All the courtesy lamps stay on continuously	Wiring, terminals or connectors Door ajar switch LTM RFA module	GO to PINPOINT TEST G .
The interior courtesy lamps stay on continuously	Wiring, terminals or connectors SJB	GO to PINPOINT TEST H .
The puddle lamps stay on continuously	Wiring, terminals or connectors SJB	GO to PINPOINT TEST I .
All the demand lamps are inoperative	Fuse Wiring, terminals or connectors SJB	GO to PINPOINT TEST J .
An individual demand lamp is inoperative	Wiring, terminals or connectors Interior lamp	GO to PINPOINT TEST K .
The battery saver does not deactivate after time-out	Wiring, terminals or connectors SJB	GO to PINPOINT TEST L .
An individual ambient lighting LED is inoperative/does not operate correctly	Ambient lighting harness	NOTE: The LEDs are not serviceable separate from the harness. INSTALL a new ambient lighting harness in question. TEST the system for normal operation.
The ambient lighting is inoperative	Wiring, terminals or connectors Ambient lighting harness Ambient lighting switch ILCM	GO to PINPOINT TEST M .
The ambient lighting does not cycle through all color combinations	Wiring, terminals or connectors Ambient lighting harness ILCM	GO to PINPOINT TEST N .
The ambient lighting does not cycle through the brightness settings	Wiring, terminals or connectors Ambient lighting dimmer switch ILCM	GO to PINPOINT TEST O .