If there is any problem in the CAN bus lines, an incorrect DTC may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C - CAN Bus Diagnostics Table ).
Whenever ECU is replaced, ensure that the CAN bus lines are normal.
OPERATION
Perform the master cylinder pressure sensor calibration to store the calibrated value in the ASC-ECU. At the same time, the calibrated value of cut valve and inlet valve are stored.
DTC SET CONDITIONS
This DTC is set when the calibrated values for cut valve and inlet valve stored in ASC-ECU are not within the predetermined range.
PROBABLE CAUSES
ASC-ECU malfunction
Noise interference
DIAGNOSIS
1. Check scan tool (M.U.T.-IIISE) CAN bus diagnostics
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