Test L: Brake Warning Indicator Inoperative W/Parking Brake Set
- After reviewing indicator/warning description and operation, go to next step. See INDICATOR/WARNING MESSAGE under DESCRIPTION & OPERATION.
- Disconnect parking brake switch harness connector. Turn ignition switch to RUN position. Connect a fused jumper wire between ground and parking brake switch harness connector. If BRAKE indicator does not illuminate, go to next step. If BRAKE indicator illuminates, go to step 5 .
- Disconnect brake fluid level switch harness connector. Connect a fused jumper wire between ground and brake fluid level switch harness connector terminal "B" (Brown/Red wire). If BRAKE indicator illuminates, go to next step. If BRAKE indicator does not illuminate, go to step 6 .
- 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 8 .
- Replace parking brake switch. After repairs are made, go to step 8 .
- Replace BRAKE indicator bulb, in instrument cluster. Reconnect all harness connector or components which were disconnected. Engage parking brake. If BRAKE indicator does not illuminate, go to next step. If BRAKE indicator illuminates, go to step 8 .
- Check for short to ground in BRAKE indicator signal circuit. See WIRING DIAGRAMS . If problem is found, repair as necessary. If no problem is found, 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 .