| caution |
- If there is any
problem in the CAN bus lines, an incorrect diagnosis code may be stored. Prior to this diagnosis,
diagnose the CAN bus lines (Refer to GROUP 54C - CAN Bus Diagnostics Table
 ).
- If diagnosis code U1073 is stored in ASC-ECU, always diagnose the CAN bus line.
If there is any fault in the CAN bus lines, an incorrect diagnosis code may be stored. In this
case, the stored diagnosis code is not highly reliable.
- 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 steering wheel sensor and the G and yaw rate sensor (Refer to and ).
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