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YES: Replace the ABS-ECU, and then go to Step 5. NO: The procedure is complete. STEP 5. Check whether the diagnostic trouble code is reset. (1) Erase the diagnostic trouble code. (2) Drive the vehicle at 12mph (20 km/h) or more. NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12mph (20 km/h) or Q:Is DTC C1048 set? YES: Intermittent malfunction. (Refer to GROUP 00 - How to Cope with Intermittent Malfunction P.00-15.) NO: The procedure is complete. DTC C1049: RR wheel speed sensor control phase time exceeded M13502000926USA0000010000 If there is any problem in the CAN bus lines, an incorrect CIRCUIT OPERATION ⦆ The wheel speed sensor is a kind of a pulse generator. It ⦆ The pulse signals, which the wheel speed sensor creates, are DTC SET CONDITIONS ⦆ When the brake fluid pressure is decreased for a long time. ⦆ When the brake fluid pressure is held for a long time. PROBABLE CAUSES ⦆ Damaged wiring harness and connectors ⦆ External noise interference ⦆ Malfunction of wheel speed sensor ⦆ ABS-ECU malfunction ⦆ Excessive gap between the wheel speed sensor and the ⦆ Adhesion of foreign materials on the wheel speed sensor ANTI-LOCK BRAKING SYSTEM (ABS) 35B-79 ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS |