Test Am: Headlight Reminder Not Operating Properly

Turn ignition switch to LOCK position. Connect New Generation Star (NGS) tester to Data Link Connector (DLC). Turn ignition switch to RUN position. Using NGS tester, retrieve and record continuous instrument cluster DTCs. Clear instrument cluster DTCs. Using NGS tester, perform instrument cluster self-test. If no instrument cluster DTCs are retrieved, go to next step. If any instrument cluster DTCs are retrieved, repair code related problems. See INSTRUMENT CLUSTER DTC INDEX table under SELF-DIAGNOSTIC SYSTEM.
Using NGS tester, monitor instrument cluster PID IGN_KEY. When key is in ignition, PID should display IN. When key is not in ignition, PID should display OUT. If PID displays as specified, go to next step. If PID does not display as specified, perform TEST AL: KEY-IN-IGNITION CHIME NOT OPERATING PROPERLY .
Open and close driver's door while observing courtesy lights. If courtesy lights operate properly, replace instrument cluster. If courtesy lights do not operate properly, repair courtesy lights as necessary. See AUTOLAMP SYSTEMS - LS article.