This instruction show you guide on how to use Wabco Toolbox Plus diagnostic software to do active braking valves test.
The Active Braking Valves can be cycled using WABCO TOOLBOX PLUS™ Software.
To cycle the ABVs, choose the option “Valves” from the “Component Tests” drop-down menu.Or if you are using TOOLBOX™ Software version 12 or higher, from “Components”.
The valve selection screen will appear where you can choose to cycle Front Axle ABV, Rear Axle ABV or
Trailer ABV individually.
Then, listen to ensure the correct valve is cycling. This is helpful in verifying correct operation, installation and wiring.
If you are using TOOLBOX™ Software older than Version 11, to test the function of the Trailer
Stability Control Modulator valve, choose “E4.3 TBV with ABS Valve” from the “Component
Tests” drop-down menu. Listen to ensure the correct valve is cycling.
For TOOLBOX™ software 12 or higher select the “Trailer Valve” under the “Component Test
Trailer Valve” in the drop-down menu. Listen to the ensure the correct valve is cycling.
If you are unsure which test option to choose, contact the WABCO Customer Care Center at
855-228-3203 and have your ECU part number available.
More topics about Wabco,please refer to:Wabco Trouble Repair