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Fasten Safety Belt Indicator/Chime Inoperative

  1. If seat belt diagnostic system check was performed, go to next step. If seat belt diagnostic system check was not performed, go to SEAT BELT DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Turn ignition off. Connect scan tool to Data Link Connector (DLC). See Figure . Turn ignition on. Buckle driver's seat belt. Using scan tool, select inflatable restraint sensing and diagnostic module (SDM) data list. Monitor DRIVER SEAT BELT STATUS. If DRIVER SEAT BELT STATUS is BUCKLED, go to next step. If DRIVER SEAT BELT STATUS is not BUCKLED, go to step  4 .
  3. Turn ignition off and back on. This will activate Instrument Panel Cluster (IPC) bulb check. Observe fasten seat belt indicator during the bulb check. If fasten seat belt indicator illuminates during bulb check and then turns off, check for intermittent connections or faulty circuits. If fasten seat belt indicator does not illuminate during bulb check and then turn off, go to step  9 .
  4. Turn ignition off. Unbuckle driver's seat belt. Disconnect left front seat belt switch connector. Turn ignition on. Monitor DRIVER SEAT BELT STATUS. If DRIVER SEAT BELT STATUS is not BUCKLED, go to next step. If DRIVER SEAT BELT STATUS is BUCKLED, go to step  7 .
  5. Check for short to ground in Black/White wire between SDM connector terminal A15 and seat belt switch connector. See Figure . If circuit is okay, go to next step. If faulty circuit is found and repaired, go to step  11 .
  6. Check for poor connections at SDM connector. If connections are okay, go to step  8 . If faulty connections are found and repaired, go to step  11 .
  7. Check for poor connections at left seat belt switch connector. If connections are okay, go to step  10 . If faulty connections are found and repaired, go to step  11 .
  8. Replace SDM. See SENSING & DIAGNOSTIC MODULE under REMOVAL & INSTALLATION in BODY CONTROL MODULES - DEVILLE article. After repairs, go to step  11 .
  9. Replace IPC. See INSTRUMENT PANEL CLUSTER  under REMOVAL & INSTALLATION. After repairs, go to step  11 .
  10. Replace left front seat belt switch. After repairs, go to next step.
  11. After repairs, recheck operation of indicator. If indicator operates properly, repair is complete. If indicator does not operate properly, go to step  2 .
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