Test A: Chime Always On

After reviewing audible warnings description and operation, and preforming preliminary inspection, go to next step. See AUDIBLE WARNINGS under DESCRIPTION & OPERATION, and PRELIMINARY INSPECTION under TROUBLE SHOOTING.
If no indicators are illuminated, go to next step. If any indicators are illuminated, repair by symptom. See SYMPTOM INDEX table.
Turn ignition switch to OFF position. Turn headlight switch off. Remove key from ignition switch. Open driver's door. If chime sounds, go to next step. If chime does not sound, concern may be intermittent. See PROBLEM DIAGNOSIS under INTERMITTENTS.
Turn ignition switch to OFF position. Connect scan tool to Data Link Connector (DLC). DLC is located under left side of instrument panel. Disconnect ignition switch 7-pin harness connector. Turn ignition switch to RUN position. Using scan tool, observe KEY-IN-IGNITION parameter in BODY CONTROL MODULE (BCM) input data list. If scan tool parameter displays NO, go to next step. If scan tool parameter does not display NO, go to step 6 .
Replace ignition switch. See STEERING COLUMN SWITCHES - CATERA article. After repairs are made, go to step 8 .
Check for short to voltage in key in ignition input circuit, Red wire between ignition switch harness connector "W" and fuse block CLAMP W PBSL fuse (10-amp). See POWER DISTRIBUTION article in WIRING DIAGRAMS. If no problem is found, go to next step. If problem is found, repair as necessary and go to step 8 .
Replace IPC. See INSTRUMENT PANEL CLUSTER under REMOVAL & INSTALLATION. After repairs are made, go to next step.
Operate system to verify repair. If system operates normally, testing is complete. If system does not operate normally, go to step 2 .