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HOMESERVICE MANUALSBUICK1998RIVIERAREPAIR AND DIAGNOSISBRAKESANTI-LOCK BRAKE SYSTEM WITH TRACTION CONTROL SYSTEMSYMPTOM TESTSTEST D: TRACTION OFF INDICATOR INOPERATIVE
1998 Buick Riviera

Test D: Traction Off Indicator Inoperative

1998 Buick RivieraSECTION Test D: Traction Off Indicator Inoperative
  1. Perform diagnostic system check. See DIAGNOSTIC SYSTEM CHECK. After performing diagnostic system check, go to next step.
  2. Turn ignition switch to START position. If TRACTION OFF indicator illuminates for 2-4 seconds and then goes out, go to next step. If the TRACTION OFF indicator does not illuminates for 2-4 seconds and then go out, go to step 9)  .
  3. Turn ignition off. Disconnect traction control switch connector. Turn ignition switch to START position. Using DVOM set on DC scale, measure voltage between terminal No. 2 (Black/White wire) of traction control switch connector and ground. If battery voltage is present, go to next step. If battery voltage is not present, go to step 6)  .
  4. Turn ignition off. Measure resistance between terminal No. 3 (Black wire) of traction control switch connector and ground. If resistance is 0-2 ohms, go to next step. If resistance is not 0-2 ohms, go to step 13)  .
  5. Check traction control switch connector for poor terminal contact. If connector is okay, replace traction control switch.
  6. Turn ignition off. Disconnect EBTCM connector. Measure resistance between terminal No. 25 (Brown/White wire) of EBTCM connector and terminal No. 2 (Black/White wire) of traction control switch connector. If resistance is 0-2 ohms, go to step 8)  . If resistance is not 0-2 ohms, go to next step.
  7. Repair open or high resistance in Black/White wire or Brown/White wire between traction control switch and EBTCM.
  8. Check EBTCM connector for poor terminal contact. If connector is okay, replace EBTCM.
  9. Turn ignition off. Disconnect EBTCM connector. Connect ABS pinout box to connector. Using DVOM, measure resistance between pinout box terminal No. 1 and ground. If resistance is 0-2 ohms, go to next step. If resistance is not 0-2 ohms, go to step 11)  .
  10. Turn ignition to start. Measure voltage between pinout box terminals No. 1 and 44. If battery voltage is present, go to step 8)  . If battery voltage is not present, go to step 12)  .
  11. Repair open or high resistance in Black/White wire between EBTCM and ground connection.
  12. Remove and check TRACTION OFF indicator bulb from instrument cluster. If bulb is okay, repair open in Pink/White wire between instrument cluster and EBTCM, or Pink wire between instrument panel fuse block and instrument cluster.
  13. Repair open or high resistance in Black wire between traction control switch and ground connection.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
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