How to Activate the Tag Axle Option with TOOLBOX Software

Once the Tag Axle hardware has been installed, the Generic I/O Tag Axle option must be activated using WABCO TOOLBOX Software version 12.2 or later.

After Generic I/O activation, the End-of-Line test must be completed for new builds or new ECU
replacement. Refer to the procedures in this manual or Installation Guide TP0887, Trailer ABS with Roll Stability Support (RSSplus™) for Trailers with Air or Mechanical Suspensions, for step-by-step instructions on programming and conducting the End-of-Line test.

 

Preparations:

Meritor Wabco Toolbox v13.6 v12 Diagnostic Software Download

 

Procedures:

1.Enter the Roll Stability portion of TOOLBOX™ Software. From the top menu bar, go to the System pull-down menu and select Edit Parameters from ECU.

2.From the first parameter screen labeled RSS System Parameters, press the Next button located at the bottom of the window. There is no change in parameters at this screen.

3.The GIO Selection screen appears. Click the Tag Axle (Rear Suspension Dump) check box.
Ensure that a check mark appears in the box. Then, press the Next button at the bottom of the screen.

4.From the parameter screen labeled RSS LSV Parameters, press the Next button located at the bottom of the window. There is no change in parameters at this screen.

5.From the parameter screen labeled RSS / ABS Parameters, press the Save To ECU button located at the bottom of the window. There is no change in parameters at this screen.

6.Once a message appears confirming a successful save, you may exit the TOOLBOX™ Software. Be sure to reset the power on the trailer in order to recycle the ECU. An End-Of-Line test is not required on a previously programmed ECU.