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STEERING WHEEL SENSOR CALIBRATION
cautionAfter the next operation has been completed, carry out the following two operations:
  1. Update the neutral position stored in the steering wheel sensor.
  2. 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 diagnostic trouble code is stored in ASC-ECU.
  • When the DTC other than C121A is stored, carry out inspection according to each troubleshooting procedure.
1. Park the vehicle on a level surface with tires and steering wheel positioned in a straight ahead direction.
2.
cautionBefore connecting or disconnecting scan tool (M.U.T.-III), always turn the ignition switch to the LOCK (OFF) position.
Before setting scan tool (M.U.T.-III), turn the ignition key to the LOCK (OFF) position.
3. Ignition switch: ON
4. Select "Steering angle sensor."
5. Select "Special function."
6. Select "SAS Calibration."
7. 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.
8. Select and run "SAS Calibration."
9. Exit "Steering angle sensor" menu, and then select "ABS/ASC/ASTC/WSS."
10. Select "Special function."
11. Select "Sensor calibration."
12. Select and run "SAS calibration."
13. Check whether the ASC-ECU-related diagnostic trouble code is stored.
14. Erase the diagnostic trouble code.
noteErase the DTC C121A.
15. Before removing scan tool (M.U.T.-III) from the vehicle, turn the ignition key to the LOCK (OFF) position.