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Test O: Chime Always On

  1. If audible warnings diagnostic system check has been performed, go to next step. If audible warnings diagnostic system check has not been performed, go to AUDIBLE WARNINGS DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM
  2. Turn headlights off. Turn ignition switch to OFF position, then remove key. Close all doors. If chime sounds, go to next step. If chime does not sound, system is functioning properly at this time. Check wiring and connectors for intermittent connections or faults. See WIRING DIAGRAMS  .
  3. If warning indicators are illuminated on IPC while chime is sounding, audible warning system is functioning properly. Fault exists in other system. Repair as prescribed by appropriate repair procedure. If warning indicators are not illuminated, go to next step.
  4. Turn ignition switch to OFF position. Connect scan tool to Data Link Connector (DLC). Observe KEY IN IGNITION parameter in Body Control Module (BCM) data list while inserting and removing key from ignition. If KEY IN IGNITION parameter changes status, go to step  8 . If parameter does not change status, go to next step.
  5. Check Light Green wire between ignition key alarm switch and BCM connector C2 terminal B9. See Figure . See WIRING DIAGRAMS  . Check wiring for open or short to ground. Repair circuit as necessary, then go to step  9 . If no problem is found, go to next step.
  6. Check ignition key alarm switch connector for poor connections or corroded terminals. Repair connector as necessary, then go to step  9 . If no problem is found, go to next step.
  7. Replace ignition switch. See appropriate STEERING COLUMN SWITCHES article. When repair is complete, go to step  9 .
  8. Replace BCM. See appropriate BODY CONTROL MODULES article. When repair is complete, go to next step.
  9. Operate system and verify chime operates properly. If chime operates properly, repair is complete. If chime does not operate properly, go to step  3 .
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