Checking the Vehicle Speed Signal

Checking The Vehicle Speed Signal












- Turn the ignition switch to the ON position
- Contact Trionic.







- Clear the diagnostic trouble codes in all systems.












- Read value: Vehicle Speed (Wire from ABS) (Trionic).
- Drive the car and check that the reading roughly corresponds to that shown on the speedometer.

Is the function correct?

NO - Fault Not Rectified

YES - Remedial Action OK