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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System With Traction Control System - BOSCH 5.3 >> Symptom Tests >> Test C: ASR/TCS Indicator Always On (CAMARO & Firebird)

Test C: ASR/TCS Indicator Always On (CAMARO & Firebird)

  1. Perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING. Go to next step.
  2. Turn ignition on, with engine off. Using scan tool, enter ABS/TCS data list. While monitoring ASR/TCS on/off switch status, press and release ASR/TCS on/off switch. If switch status changes as switch is pressed and released, go to next step. If switch status does not change as switch is pressed and released, go to step  5 .
  3. Using a scan tool, select INSTRUMENT PANEL CLUSTER SPECIAL FUNCTION. Select WOW INSTRUMENT PANEL in OUTPUT CONTROL. Turn instrument panel indicators on then off. If TCS OFF indicator turns on then off, go to step  9 . If TCS OFF indicator remains illuminated, go to next step.
  4. Disconnect instrument cluster connector. Connect test light across appropriate power and ground terminals. See appropriate ANALOG INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT. If test light is off, repair open in power or ground circuit to instrument cluster. If test light is on, check instrument panel connector for poor connections. If problem was found, repair as necessary. If problem was not found, replace instrument cluster. After repairs, perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING.
  5. Remove and disconnect ASR/TCS switch. See TRACTION CONTROL SWITCH  under REMOVAL & INSTALLATION. Using scan tool, enter ABS/TCS data list. If TCS SWITCH status reads RELEASED, go to next step. If TCS SWITCH status does not read RELEASED, go to step  7 .
  6. Replace ASR/TCS Switch. See TRACTION CONTROL SWITCH  under REMOVAL & INSTALLATION. After repairs, perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING.
  7. Turn ignition off. Measure resistance between TCS Switch connector terminal "E" and ground. If resistance is infinite, go to step  9 . If resistance is not infinite, go to next step.
  8. Repair short to ground in Brown/White wire between ASR/TCS on/off switch and EBCM. Also, check for a short in ASR/TCS on/off switch. After repairs, perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING.
  9. Replace EBCM. See ELECTRONIC BRAKE CONTROL MODULE  under REMOVAL & INSTALLATION. After repairs, perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING.
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