Symptom Table

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

SYMPTOM TABLE

Condition	Possible Sources	Action
No communication with the adaptive front lighting module	Fuse Wiring, terminals or connectors Headlamp Control Module (HCM)	REFER to MODULE COMMUNICATIONS NETWORK .
The adaptive front lighting is inoperative/does not operate correctly	Wiring, terminals or connectors Headlamp assembly HCM	RUN the on-demand self-test. RETRIEVE the DTCs. REFER to DIAGNOSTIC TROUBLE CODE (DTC) TABLE .