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Home >> Mitsubishi >> 1994 >> Eclipse Base, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnosis & Testing >> Code 11, 12, 13 Or 14: Faulty Wheel Speed Sensor Input
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Code 11, 12, 13 Or 14: Faulty Wheel Speed Sensor Input

NOTE: If after all testing procedures have been completed system is not functioning properly, substitute ABS ECU with known good unit and retest.
  1. Trouble code will set if ECU detects wheel speed sensor has no input signal. Trouble code will also set if wheel sensor voltage output is low while driving vehicle.
  2. Inspect condition of sensor rotor. Damaged rotor teeth can set code. Inspect wheel sensor wiring harness for open or poor connection. See WIRING DIAGRAMS. Repair or replace if necessary. If no open circuit or poor connection is found, go to next step.
  3. Test wheel speed sensor. See WHEEL SPEED SENSOR under COMPONENT TESTING. Replace wheel sensor as necessary. Ensure wheel speed sensor-to-rotor gap is within specification. See WHEEL SPEED SENSOR under ADJUSTMENTS.
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