Torque Sensor Calibration
Required Special Tool:
- MB992744: Vehicle communication interface-Lite (V.C.I.-Lite)
- MB992745: V.C.I.-Lite main harness A
- MB992747: V.C.I.-Lite USB cable short
- MB992748: V.C.I.-Lite USB cable long
CAUTION:
After the next operation has been completed, carry out the following two operations:
- Alignment adjustment <Front>
- Steering wheel and steering wheel sensor (column switch assembly) replacement, removal, installation
- EPS-ECU replacement
- Steering column shaft assembly replacement
- Reset the calibrated value of the torque sensor neutral position stored in EPS-ECU .
- Update the steering wheel neutral position stored in the EPS-ECU .
CAUTION:
- Before performing the calibration, check if the steering wheel sensor-related DTC is set in ASC-ECU.
- When the DTCs other than C1518 and C1519 are set, carry out inspection according to each troubleshooting procedure.
CAUTION:
Do not apply torque to the steering wheel.
- 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 "ECPS/4WS"
- Select "Special function."
- Select "Test."
- Select and run "Torque sensor neutral position learning."
- Check whether the EPS-ECU-related DTC is set.
- Confirm that DTCs No. C1518 and C1519 are not set in the EPS-ECU. If those diagnostic trouble codes are set, start torque sensor calibration again from the beginning.
- Before removing scan tool (M.U.T.-IIISE) from the vehicle, turn the ignition key to the LOCK (OFF) position.