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ABS DIAGNOSIS TSB Revision ANTI-LOCK BRAKING SYSTEM (ABS) 35B-121 DTC C1000 Abnormality in stop light switch circuit CAUTION • If there is any problem in the CAN bus lines, an incor- rect DTC may be set. Prior to this diagnosis, diagnose − CAN Bus Line Diagnostic Flow • Whenever ECU is replaced, ensure that the CAN bus lines are normal. . OPERATION ETACS-ECU sends the ON signal generated when the brake . ETACS- Stop Light Relay Circuit STOP LIGHT AC901075BD Connector: C-133 AC702828AE Connector: C-312 |