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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 >> Diagnostic Tests >> DTC C0131: Abs/TCS System Pressure Circuit Malfunction (Intrigue) >> Diagnosis

DTC C0131: Abs/TCS System Pressure Circuit Malfunction (Intrigue): Diagnosis

  1. Perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING. Go to next step.
  2. Turn ignition off. Disconnect EBCM. Install Universal Pinout Box (J 39700) with Cable Adapter (J 39700-530) between EBCM and EBCM connector. Turn ignition on, engine off. Using DVOM, measure voltage between universal pinout box terminals No. 17 (Orange wire) and No. 15 (Black/White wire). If voltage is 0.25-4.75 volts, see DIAGNOSTIC AIDS  . If voltage is not 0.25-4.75 volts, go to next step.
  3. Turn ignition off. Disconnect brake pressure sensor. Turn ignition on, engine off. Using DVOM, measure voltage between universal pinout box terminals No. 17 (Orange wire) and No. 15 (Black/White wire). If voltage is less than 2.5 volts, go to next step. If voltage is not less than 2.5 volts, go to step  9 .
  4. Turn ignition off. Connect fused jumper wire (3 amp) between Orange wire of the brake pressure sensor (signal circuit) and Gray wire (5-volt reference circuit) of brake pressure sensor. Turn ignition on, engine off. Using DVOM, measure voltage between universal pinout box terminals No. 17 (Orange wire) and No. 15 (Black/White wire). If voltage is greater than 4.75 volts, go to next step. If voltage is not greater than 4.75 volts, go to step  6 .
  5. Turn ignition off. Disconnect fused jumper wire. Turn ignition on, engine off. Measure voltage between Gray wire (5-volt reference circuit) of brake pressure sensor and ground. If voltage is greater than 5.0 volts, go to step  7 . If voltage is not greater than 5.0 volts, go to step 10 .
  6. Check Gray wire (5-volt reference circuit) of brake pressure sensor for short to ground. If problem was found, repair as necessary. After repairs, go to step  15 . If problem was not found, go to step  8 .
  7. Check Gray wire (5-volt reference circuit) of brake pressure sensor for short to voltage. If problem was found, repair as necessary. After repairs, go to step  15 . If problem was not found, go to step  12 .
  8. Check Orange wire (signal circuit) of brake pressure sensor for short to ground, high resistance or open. If problem was found, repair as necessary. After repairs, go to step  15 . If problem was not found, go to step  12 .
  9. Check Orange wire (signal circuit) of brake pressure sensor for short to voltage, high resistance or open. If problem was found, repair as necessary. After repairs, go to step  15 . If problem was not found, go to step  12 .
  10. Check Gray/Black wire (ground circuit) of brake pressure sensor for high resistance or open. If problem was found, repair as necessary. After repairs, go to step  15 . If problem was not found, go to next step.
  11. Check brake pressure sensor connector for poor connections. If problem was found, repair as necessary. After repairs, go to step  15 . If problem was not found, go to step  13 .
  12. Check EBCM connector for poor connections. If problem was found, repair as necessary. After repairs, go to step  15 . If problem was not found, go to step  14 .
  13. Replace brake pressure sensor. See BRAKE PRESSURE SENSOR (INTRIGUE)  under REMOVAL & INSTALLATION. After repairs, go to step  15 .
  14. Replace EBCM. See ELECTRONIC BRAKE CONTROL MODULE  under REMOVAL & INSTALLATION. After repairs, go to next step.
  15. Using scan tool, clear DTCs. Operate vehicle. If DTC does not reset, system is okay.
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