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DIAGNOSIS TSB Revision ACTIVE SKID CONTROL SYSTEM (ASC) 35C-87 STEP 6. Check whether the DTC is reset. NOTE: The ABS warning light does not turn OFF in some Q: Is DTC C1042 set? YES : Return to Step 1. DTC C1043: Abnormality in periodical signal for RL wheel speed sensor CAUTION • If there is any problem in the CAN bus lines, an incor- rect diagnostic trouble code may be set. Prior to this • Whenever the ECU is replaced, ensure that the CAN bus lines are normal. • When the hydraulic unit (integrated with ASC-ECU) is replaced, always perform the calibration of steering .) . CIRCUIT OPERATION • Each wheel speed detecting section is a kind of a pulse generator. It consists of the encoder (plate on which the • The pulse signals generated by the wheel speed detecting section are sent to ASC-ECU. ASC-ECU uses the fre- . DTC SET CONDITIONS ASC-ECU monitors the signals from each wheel speed sensor . |