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.

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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.

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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.

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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.

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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.

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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.

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