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Home >> Chevrolet >> 2001 >> Corvette Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System With Traction Control System >> Symptom Tests >> Test E: VSES Inoperative >> Notes

Test E: VSES Inoperative: Notes

  1. Perform DIAGNOSTIC SYSTEM CHECK  . Go to next step.
  2. Install scan tool. Start engine. Observe VSES IS CENTERED parameter in VSES data list. Perform DIAGNOSTIC TEST DRIVE  . If scan tool displays YES within 30 seconds, problem is intermittent. See INTERMITTENT OR POOR CONNECTIONS  under DIAGNOSIS & TESTING. If scan tool does not display YES within 30 seconds, go to next step.
  3. Using scan tool, perform STEERING POSITION SENSOR TEST. If Steering Wheel Position Sensor (SWPS) passed test, go to next step. If SWPS did not pass test, go to step  7 .
  4. Using scan tool, observe LATERAL ACCELEROMETER INPUT parameter in VSES data list. If scan tool displays 2.3-2.7 volts, go to next step. If scan tool does not display 2.3-2.7 volts, go to step  8 .
  5. Using scan tool, observe YAW RATE SENSOR INPUT parameter in VSES data list. If scan tool displays 2.3-2.7 volts, go to next step. If scan tool does not display 2.3-2.7 volts, go to step  9 .
  6. Replace EBCM. See ELECTRONIC BRAKE CONTROL MODULE  under REMOVAL & INSTALLATION. After repairs, go to step  10 .
  7. Replace SWPS. See appropriate STEERING COLUMNS article in STEERING. After repairs, go to step  10 .
  8. Replace lateral accelerometer sensor. See LATERAL ACCELEROMETER SENSOR  under REMOVAL & INSTALLATION. After repairs, go to step  10 .
  9. Replace yaw rate sensor. See YAW RATE SENSOR  under REMOVAL & INSTALLATION. After repairs, go to next step.
  10. Operate system to verify repair.
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