Code No. C1361: M/C pressure SNSR. stuck/low gain
Code No. C1364: M/C pressure SNSR. malfunction

caution

If there is any problem in the CAN bus lines, an incorrect diagnosis code may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C - Troubleshooting ).
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 G and yaw rate sensor and the steering wheel sensor (Refer to and ).

OPERATION

ASC-ECU incorporates the pressure sensor, and monitors the brake fluid pressure.

DIAGNOSIS CODE SET CONDITIONS

This diagnosis code will be set under the cases below:

Pressure sensor power supply voltage malfunction.
Pressure sensor signal malfunction.
Abnormal result of initial check performed when the power is supplied to ASC-ECU.

PROBABLE CAUSES

Malfunction of the hydraulic unit assembly (integrated with ASC-ECU).