Steering Wheel Sensor Calibration

CAUTION: After the next operation has been completed, carry out the following two operations:

Update the neutral position stored in the steering wheel sensor.
Reset the calibrated value of the steering angle stored in ASC-ECU.
- Alignment adjustment <Front>
- Steering wheel sensor (column switch assembly) replacement, removal, installation
- ASC-ECU replacement

CAUTION:

Before performing the calibration, check if the steering wheel sensor-related DTC is set in ASC-ECU.
When the DTC other than C121A is set, carry out inspection according to each troubleshooting procedure.

Park the vehicle on a level surface with tires and steering wheel positioned in a straight ahead direction.
CAUTION: Before connecting or disconnecting scan tool (M.U.T.-IIISE), always turn the ignition switch to the "LOCK" (OFF) position.
Before setting scan tool (M.U.T.-IIISE), turn the ignition key to the "LOCK" (OFF) position.
Ignition switch: "ON"
Select "Steering angle sensor."
Select "Special function."
Select "SAS Calibration."
Select and run "SAS Initialization." (Reusable parts only)
NOTE:
- Since the neutral position stored in the steering wheel sensor is no longer available, "SAS Initialization" is displayed.
- Since a new steering wheel sensor has no neutral position, "SAS Calibration" is displayed.
Select and run "SAS Calibration."
Exit "Steering angle sensor" menu, and then select "ABS/ASC/ASTC/WSS."
Select "Special function."
Select "Sensor calibration."
Select and run "Steering angle sensor calibration."
Check whether the ASC-ECU-related DTC is set.
Erase the DTC.
NOTE: Erase DTC C121A.
Before removing scan tool (M.U.T.-IIISE) from the vehicle, turn the ignition key to the "LOCK" (OFF) position.