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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 C0110: Pump Motor Circuit Malfunction >> Diagnosis

DTC C0110: Pump Motor Circuit Malfunction: Diagnosis

NOTE: Power supply to Red wire at EBCM connector terminal No. 13 varies with vehicle type. Applications are as follows: ABS BAT 1 fuse (40-amp) - Camaro and Firebird, fusible link - Grand Prix and Intrigue (federal emissions) or ABS MOTOR fuse (40-amp) - Intrigue (California emissions).
  1. Perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING. Go to next step.
  2. Turn ignition off. Disconnect EBCM connector. Install Universal Pinout Box (J 39700) using Cable Adapter (J 39700-25) to EBCM harness connector only. Check both ground circuits of EBCM including EBCM ground for high resistance or open. Check battery voltage circuits for open, high resistance, or short to ground. If problem was found, repair as necessary. After repairs, go to step  8 . If problem was not found, go to next step.
  3. Disconnect pump motor harness pigtail connector of BPMV. Measure resistance between each pump motor control circuit and housing of BPMV at pump motor pigtail connector of BPMV. If resistance is less than 5 ohms, go to next step. If resistance is not less than 5 ohms, go to step  5 .
  4. Check BPMV connector for poor connections. If problem was found, repair as necessary. After repairs, go to step  8 . If problem was not found, go to step  6 .
  5. Check EBCM connector for poor connections. If problem was found, repair as necessary. After repairs, go to step  8 . If problem was not found, go to step  7 .
  6. Replace BPMV. See BRAKE PRESSURE MODULATOR VALVE  under REMOVAL & INSTALLATION. After repairs, go to step  8 .
  7. Replace EBCM. See ELECTRONIC BRAKE CONTROL MODULE  under REMOVAL & INSTALLATION. After repairs, go to next step.
  8. Using scan tool, clear DTCs. Operate vehicle. If DTC does not reset, system is okay.
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