ECU INTERNAL ABNORMALITY [DTC CODE: U3D02, MALFUNCTION CODE: 8-4 (1)]

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ABS light indication	8-4
Malfunction code	8-4 (1)
Description of malfunction	Incorrect internal parameters
Vehicle status	Not actuated ABS Likelihood of misdiagnosis
Possible cause	Misassembly of ECU

1. Check the diagnosis code.

Detail

Check the diagnosis code again after deleting past malfunctions.

Standard: Diagnosis code 1-1

NO

Abnormality in ABS ECU YES

Normal

DTC Clear

Detail

Confirm the DTC U3D02 is inactive

Start the engine and let it idling condition.
Verify the DTC U3D02 is inactive.

DTC Clear

Clear the DTC with Hino DX
Confirm the same DTC is not reoccurred

U3D02 is reoccur: Return to first process
Other DTC appear: Refer to concerned Trouble shooting

Complete