COMMUNICATION BLACKOUT [VEHICLE CONTROL ECU]
(DTC CODE U110A / DIAGNOSIS MONITOR CODE 9)

1. Inspect the power supply circuit for the vehicle control ECU.

   Standard: No abnormality

NO Inspect the vehicle control ECU main relay and fuse power supply circuit.	YES Proceed to [2] Inspection item

1. Inspect the CAN communication circuit.

 

1. Confirm the DTC U110A is inactive

   • Start the engine and let it idling condition.
   • Verify the DTC U110A is inactive.

   

2. DTC Clear

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

   

U110A is reoccur: Return to first process Other DTC appear: Refer to concerned Trouble shooting

Complete