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Home >> Oldsmobile >> 1999 >> Intrigue GL, 3.5 H >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Anti-Lock Brake System With Traction Control System - Abs-VI) >> Symptom Tests >> Test G: ETS Off Warning Indicator Always On (1999 ALERO & 1999 Grand Am)

Test G: ETS Off Warning Indicator Always On (1999 ALERO & 1999 Grand Am)

WARNING: This page is about a different variant/trim than selected.
  1. Perform diagnostic system check. See DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING. After performing diagnostic system check, go to next step.
  2. Turn ignition switch to OFF position. Install scan tool. Turn ignition switch to ON position. Enter vehicle information into scan tool. Using scan tool, select CAPTURE INFO and then STORE INFO. If no PCM DTCS exist, go to next step. If any PCM DTCs are set or other failure records are present, diagnose and repair any stored PCM DTCs. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
  3. Using scan tool, select BODY menu. Using scan tool, select IPC, then LAMP TEST. Using scan tool, command warning indicators OFF. If warning indicators turn off, go to next step. If warning indicators remain illuminated, diagnose instrument cluster. See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT.
  4. Disconnect ETS switch harness connector. If ETS OFF indicator turns off, go to step  7. If ETS OFF indicator remains illuminated, go to next step.
  5. Disconnect BCM harness connector C3. Using DVOM, measure resistance between ETS switch harness connector terminal "A" and ground. Resistance should be infinite (OL). If resistance is as specified, go to next step. If resistance is not as specified, go to step  8.
  6. Turn ignition switch to OFF position. Check BCM harness connector C3 and ETS switch harness connector for damage, poor terminal contact and terminal corrosion. If a problem is found, go to step  9. If no problem is found, go to step  10.
  7. Replace ETS switch. After repair, perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING.
  8. Repair short to ground. After repair, perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING.
  9. Repair or replace connector terminals as necessary. After repair, perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING.
  10. Replace BCM. See BODY CONTROL MODULE under REMOVAL & INSTALLATION in BODY CONTROL MODULES - ALERO & GRAND AM article in ACCESSORIES & EQUIPMENT. After repair, perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING.
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