37-TORQUE SENSOR CALIBRATION

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.

3. Ignition switch: ON

4. Select "ECPS/4WS"

5. Select "Special function."

6. Select "Test."

7. Select and run "Torque sensor neutral position learning."

8. Check whether the EPS-ECU-related DTC is set.

9. 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.

10. Before removing scan tool (M.U.T.-IIISE) from the vehicle, turn the ignition key to the LOCK (OFF) position.