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Test J: Brake Warning Indicator Inoperative

  1. If hydraulic brakes diagnostic system check has not been performed, perform HYDRAULIC BRAKES DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. If hydraulic brakes diagnostic system check has been performed, go to next step.
  2. Observe BRAKE indicator. Turn ignition switch to OFF, then RUN position, with engine off. If BRAKE indicator illuminates during displays test and then turns off, go to next step. If BRAKE indicator does not illuminate during displays test and then turn off, go to step  11 .
  3. Apply parking brake. If BRAKE indicator illuminates, go to next step. If BRAKE indicator does not illuminate, go to step  5 .
  4. Turn ignition switch to OFF position. Release parking brake. Disconnect brake fluid level switch 2-pin harness connector. Brake fluid level switch is located on right side of brake fluid reservoir. Connect a 3-amp fused jumper wire between brake fluid level switch harness connector Black wire and Purple wire terminals. Turn ignition switch to RUN position, with engine off. If BRAKE indicator does not illuminate, go to step  7 . If BRAKE indicator illuminates, go to step  10 .
  5. Turn ignition switch to OFF position. Disconnect park brake indicator switch 1-pin harness connector. Park brake indicator switch is located at left kick panel. Connect a 3-amp fused jumper wire between ground and park brake indicator switch harness connector Light Blue wire terminal. Turn ignition switch to RUN position, with engine off. If BRAKE indicator does not illuminate, go to next step. If BRAKE indicator illuminates, go to step  9 .
  6. Test Light Blue wire between park brake indicator switch harness connector and Instrument Panel Cluster (IPC) harness connector C2 terminal "L" for an open or high resistance. See Figure . See WIRING DIAGRAMS  . If no problem found, go to step  11 . If problem is found, repair as necessary. After repair, go to step  15 .
  7. Test Purple wire between brake fluid level switch harness connector and Instrument Panel Cluster (IPC) harness connector C2 "E" for an open or high resistance. See Figure . See WIRING DIAGRAMS  . If no problem is found, go to next step. If problem is found, repair as necessary. After repair, go to step  15 .
  8. Test Black wire between brake fluid level switch harness connector and ground for an open or high resistance. See WIRING DIAGRAMS  . If no problem is found, go to step  11 . If problem is found, repair as necessary. After repair, go to step  15 .
  9. Check for poor case ground or poor connections at park brake indicator switch harness connector. If no problem is found, go to step  12 . If problem is found, repair as necessary. After repair, go to step  15 .
  10. Check for poor connections at brake fluid level switch harness connector. If no problem is found, go to step  13 . If problem is found, repair as necessary. After repair, go to step  15 .
  11. Check for poor connections at IPC harness connector. If no problem is found, go to step  14 . If problem is found, repair as necessary. After repair, go to step  15 .
  12. Replace park brake indicator switch. After repair, go to step  15 .
  13. Replace brake fluid level switch. After repair, go to step  15 .
  14. Replace IPC. See INSTRUMENT PANEL CLUSTER  under REMOVAL & INSTALLATION. After repair, go to next step.
  15. Operate system to verify repair. If system does not operate properly, go to step  2 . If system operates properly, system is okay.
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