C. FRONT WHEEL SPEED SENSOR REMOVAL Wheel Speed Sensor Connector Pin Details REMOVAL 1. Position the vehicle on two-post lift. 2. Disconnect electrical connector of wheel speed sensor. 3. Remove sensor mounting screw and remove the wheel speed sensor from the steering knuckle. INSTALLATION 1. Clean speed sensor and its mounting surface. 2. Route the cable properly. 3. Install the wiring harness connector with wheel speed sensor cable. 4. Make sure that the sensor cable connector is fully seated and locked into vehicle wiring harness connector. 5. Insert the sensor into the sensor mounting hole and tighten the bolt to the specified torque (0.8 – 1.0 Kg-M). 6. Check the air gap between the face of the wheel speed sensor and the top surface of the toner wheel. 7. Clear all fault codes and road test the vehicle to ensure proper operation of the brake system. PIN NO DESCRIPTION 1 Wheel Speed Sensor Signal 2 Wheel Speed Sensor Power WARNING Take proper precaution while disconnecting the wheel speed sensor from vehicle wiring harness, by not damaging pins of connector. NOTE Before replacing wheel speed sensor, carry out diagnosis of wheel speed sensor. (Refer Troubleshooting and Diagnosis). NOTE Air gap should be 0.5 to 1.5m. BRAKES 53
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