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Test M: Brake Warning Indicator Inoperative W/Low Fluid Level

  1. After reviewing indicator/warning description and operation, go to next step. See INDICATOR/WARNING MESSAGE  under DESCRIPTION & OPERATION.
  2. If BRAKE indicator illuminates with parking brake set, go to next step. If BRAKE indicator does not illuminate with parking brake set, go to TEST L: BRAKE WARNING INDICATOR INOPERATIVE W/PARK BRAKE SET  .
  3. Disconnect brake fluid level sensor harness connector. Turn ignition switch to RUN position. Connect a fused jumper wire between brake fluid level sensor harness connector terminals "A" (Black wire) and "B" (Brown/Red wire). If BRAKE indicator does not illuminate, go to next step. If BRAKE indicator illuminates, go to step  5 .
  4. Check for open or a high resistance brake signal circuit between IPC harness connector C1 terminal No. 15 and brake fluid level sensor or parking brake switch. See WIRING DIAGRAMS  . If problem is found, repair as necessary and go to step  6 .
  5. Replace brake fluid level sensor. After repairs are made, go to next step.
  6. Operate system to verify repair. If system operates normally, testing is complete. If system does not operate normally, go to step  2 .
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