Faulty Wheel Speed Sensor Input
- 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.
- Inspect wheel sensor wiring harness for open or poor connection. Repair or replace if necessary. If no open circuit or poor connection is found, go to next step.
- Test wheel speed sensor. See WHEEL SPEED SENSOR TEST under COMPONENT TESTING. Replace wheel speed sensor as necessary. Make sure wheel speed sensor-to-rotor gap is within specification. Refer to WHEEL SPEED SENSOR ADJUSTMENT .