Anti-lock Braking System(ABS) 18 NOTE: ABS ECU and is not serviceable. Refer ABS troubleshooting for faults related to ABS ECU. Installation : 1. Follow the reverse order of removal to install the ECU on the mounting bracket i.e. : a. Insert the left side damping element. b. Slightly tilt forward and insert the centre pin in centre damping element. c. Insert the right side damping element. d. Ensure that the ECU is seated properly and tighten the holding nuts to a torque of 0.8 ± 0.2 Kg-m. 2. Reconnect the brake lines. Be certain that the brake lines have been connected to the correct ports to ensure proper ABS operation. Tighten the coupling nut to specified torque. (1.4 – 1.8 Kg-m) 3. Connect the ECU connector. 4. Bleed the brake system. NOTE : For brake bleeding procedure conventional/ using diagnostic tool refer Brakes group. 5. Clear all faults using diagnostic tool. 6. Road test the vehicle to ensure proper operation of the conventional brakes and ABS system. B. FRONT WHEEL SPEED SENSOR : Removal: 1. Position the vehicle on two post lift. 2. Disconnect electrical connector of wheel speed sensor located on the bracket at the rear of the front suspension tower. CAUTION: Take proper precautions while disconnecting the wheel speed sensor from vehicle wiring harness, otherwise it might damage the pins of the connecter. 3. Remove sensor mounting screw and remove the wheel speed sensor from the steering knuckle.
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