Diesel Data: Automotive Repair

Scantool Diagnostics





C1212 Vehicle Speed Sensor Failure

Scantool Diagnostics

Scantool Diagnostics

1. Connect scantool and Engine "ON"
2. Select "Vehicle Speed" parameter on the scantool.

NOTE:
(check wheel speed output value at ABS (ESC) system. And, check vehicle speed at ECM and Air conditioner system.)

3. Check the "vehicle speed' parameter on the scantool.

Specification : It is changeable according to vehicle speed.




Fig.1) 6 MPH status after starting - AHLS Current Data (Vehicle Speed)
4. Are all the parameters normal?