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5 WHEEL SPEED SENSOR INSPECTION Check the wheel speed sensor system. I Sensor mounting inspection I Sensor pick-up inspection for iron chips I Sensor rotor inspection (e.g. Number of teeth, damaged teeth) I Sensor connector engagement inspection Is inspection result OK? Yes © Normal No © Wheel speed sensor and rotor lines repair Symptom 3: Longer Stopping Distance NHBR0288 Inspection procedure 1 INSPECTION START Check that the stopping distance when braking becomes longer only on a snowy or gravel road. Does the stopping distance when braking become longer only on a snowy or gravel road? Yes © It may be longer than that of vehicle without ABS. No © GO TO 2. 2 PERFORMANCE CHECK Disconnect the actuator relay box to deactivate the ABS function. Is the stopping distance still longer? Yes © I Brake line air bleeding I Brake line inspection No © GO TO 3. 3 ABS WARNING LAMP INDICATOR INSPECTION Check that the ABS warning lamp illuminates. Does the ABS warning lamp illuminate? Yes © Perform the self-diagnosis. No © GO TO 4. 4 WHEEL SPEED SENSOR INSPECTION Check the wheel speed sensor system. I Sensor mounting inspection I Sensor pick-up inspection for iron chips I Sensor rotor inspection (e.g. Number of teeth, damaged teeth) I Sensor connector engagement inspection Is inspection result OK? Yes © Normal No © Wheel speed sensor and rotor lines repair GI MA EM LC EC FE AT AX SU ST RS BT HA SC EL IDX TROUBLE DIAGNOSES FOR SYMPTOMS VDC Symptom 2: Unexpected Pedal Action (Cont’d) BR-161 |