Kubota Machine ACU Circulation Test by Diagmaster

This post show you guide on how to use Kubota Diagmaster diagnostic software to do ACU circulation test for Kubota machine.



2022 Kubota Takeuchi Diagmaster v22.08.01 v4.1.2 Software Free Download

Kubota EPC Spare Parts Catalogue 2021.06 Download



Connect engine and PC,and start Diagmaster with key on

Choose “Circulation Test(ACU)” from Utility


Start the test

Starts the test.

DEF pump operates automatically.

Check that DEF circulation test detail status becomes 〈0: ldle>-→〈1: Prime)→(2: High press.〉→〈3: Purge>→〈4: Complete)



More repair case for Kubota,please refer to:Kubota Trouble Repair

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