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
Steering wheel sensor sends its status signal to ASC-ECU.
DTC SET CONDITIONS
This DTC is set when ASC-ECU detects that the steering wheel sensor has malfunction.
PROBABLE CAUSES
Steering wheel sensor malfunction
ASC-ECU malfunction
External noise interference
DIAGNOSIS
1. Check scan tool (M.U.T.-IIISE) CAN bus diagnostics
2. Check whether the DTC is set again. <Steering wheel sensor>