Symptom: a FAW Bora 1.8L car ABS fault light, low-speed light when the brake when the "thorn friends, thorn friends," the abnormal sound, and accompanied by a slight sense of foot jitter.
     Troubleshooting: VAG1552 fault reader with fault memory, found a fault code - "00285 right front speed sensor G45 circuit failure." After the test found that the light brake pedal to slow down the vehicle when the above phenomenon, and then add a little force on the brake pedal, the fault phenomenon is almost gone. The vehicle will be raised and found that the chassis of the vehicle hung a lot of straw, the right front wheel speed sensor and the signal between the rotor is also filled with wheat straw, wheel speed sensor has been due to wheat straw winding force bending fracture, front and Signal rotor attached together, the wheel rotation when the signal rotor and wheel speed sensor friction between the abnormal sound. Its internal coil has been broken, so the ABS system from the diagnosis of the above fault code.
     Troubleshooting: Replace the front wheel speed sensor, remove the fault memory, troubleshooting.