Chime Inoperative With Dome Lights On
- Open driver's door. Using scan tool, read door ajar status. If scan tool displays DRDOOR AJAR SWITCH: CLOSED, go to next step. If scan tool does not display DRDOOR AJAR SWITCH: CLOSED, go to OPEN DRIVER DOOR AJAR CIRCUIT OR COURTESY LIGHTS INOPERATIVE WITH DRIVER DOOR under INTERIOR LIGHTING.
- Remove ignition key. Using scan tool, read key-in ignition switch status. If scan tool displays KEY-IN IGNITION SW: CLOSED, go to next step. If scan tool does not display KEY-IN IGNITION SW: CLOSED, go to step 5 .
- Remove lower steering column cover. Disconnect key-in ignition switch Green connector from back of ignition switch. See Figure . Using scan tool, read key-in ignition switch status. If scan tool displays KEY-IN IGNITION SW: CLOSED, go to next step. If scan tool does not display KEY-IN IGNITION SW: CLOSED, replace ignition switch. See appropriate STEERING COLUMN SWITCHES article.
- Disconnect BCM connector "A". BCM is located with junction block under driver's side instrument panel. See Figure . Inspect connector for damaged pins, corrosion and loose terminals. Repair connector as necessary. If connector is okay, ensure all lights and accessories are off. Close all doors. Measure resistance between ground and terminal No. 32 (Light Blue wire) at BCM connector "A". If resistance is less than 10 ohms, repair short to ground in Light Blue wire between BCM and ignition switch. If resistance is 10 ohms or more, replace BCM.
- Turn dome lights on. If dome lights do not illuminate, go to COURTESY LIGHTS INOPERATIVE WITH DOME LIGHT SWITCH under INTERIOR LIGHTING. If dome lights illuminate, determine if chime sounds. If chime does not sound, replace Body Control Module (BCM). BCM is located with junction block under driver's side instrument panel. See Figure . If chime sounds, system is functioning properly at this time. Fault may be intermittent.