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DIAGNOSIS TSB Revision ACTIVE STABILITY CONTROL SYSTEM (ASC) 35C-27 CAUTION • If there is any problem in the CAN bus lines, an incor- rect diagnostic trouble code may be set. Prior to this − CAN Bus Line Diagnostic Flow • Whenever ECU is replaced, ensure that the CAN bus lines are normal. • When the hydraulic unit (integrated with ASC-ECU) is replaced, always carry out the calibration of the steer-
and . OPERATION • The wheel speed sensor is a kind of a pulse generator. It consists of encoders (a plate on which north and south pole • The pulse signals, which the wheel speed sensor creates, are sent to ASC-ECU. ASC-ECU uses the frequency of the . DTC SET CONDITIONS ASC-ECU monitors the voltage fluctuation in each wheel speed . PROBABLE CAUSES Current trouble • Damaged wiring harness and connectors • Noise interference • Malfunction of wheel speed sensor • ASC-ECU malfunction AC901112 Connectors: A-02, A-59 A-02 (B) AO A-59 (B) |