Scantool Diagnostics

Auto Headlamp Leveling System
C1212 Vehicle Speed Sensor Failure - Scantool Diagnostics

Monitor GDS Data

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

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

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

Specification :It is changable according to vehicle speed.




Fig.1) Engine ON, 7km/h status after starting - AHLS
4. Are all the parameters normal ?