Scantool Diagnostics
Motor driven Power Steering
C1622 EMS invalid vehicle speed - Scantool Diagnostics
Monitor Scantool Data
1. Connect scantool with diagnostic connector.
2. Check that there is DTC on the VDC side.
3. Check ESC first if there is any DTC on the ESC side and confirm that it is erasable.
4. If no DTC, select "Wheel Speed sensor" parameter on the ESC side.
5. Check that the value of wheel speed sensor is changable with driving the vehicle.
Check wheel speed is changeable together with vehicle speed changes.
6. Is parameter within specifications?