ALTROZ SERVICE MANUAL

BRAKES 55 NOTE: Proper care should be taken before removing the brake pipes from HU; the HU must be thoroughly cleaned to prevent dirt particles from falling into the ports of HU or entering the brake pipes. 4) Remove the brake pipes from the HU and plug the HU ports with suitable grommet. 5) Remove the bolts attaching ECU to the mounting bracket and take out the ECU from bracket. NOTE: ABS ECU is not serviceable. INSTALLATION 1. Put the grommets and the mounting studs at appropriate places. 2. Align the bottom ECU grommet to the dowel in mounting bracket and insert ECU so that both the mounting studs get aligned 3. Tighten the bolts to the ECU stud with mounting bracket to specified torque. (1.0 Kgm) 4. Reconnect 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 - 1.6 Kgm) 5. Connect the ECU harness connector. 6. Bleed the brake system. 7. Clear all fault code memories. 8. Road test vehicle to ensure proper operation of the base and ABS systems 14.12. REMOVAL AND REFITMENT OF FRONT WHEEL SPEED SENSOR REMOVAL: 1. Position the vehicle on two post lift. 2. Disconnect electrical connector of wheel speed sensor. WARNING: Take proper precaution while disconnecting the wheel speed sensor from vehicle wiring harness, by not damaging pins of connector. 3. Remove sensor mounting screw and remove the wheel speed sensor from the steering knuckle NOTE: Before replacing wheel speed sensor carry out diagnosis of wheel speed sensor. (Refer Trouble-shooting and Diagnosis)