3.Erase the malfunction history using HINO DXⅡ. 4.Start the engine. 5.Select [DCU] and check if P068A has been detected. 6.Turn the starter switch OFF while still connected to HINO DXⅡ. 7.After checking that the communication between the HINO DXⅡ and the DCU has been disconnected, turn the starter switch ON again.. Turn the starter switch to the "ON" position. Update the DCU to the latest software level using the Hino Diagnostic eXplorer II (Hino DX2). Refer to the following table for the appropriate software part number for the application. SOFTWARE INFORMATION 4. Proceed to the final inspection section to complete this Technical Service Bulletin (TSB).
8. Select "DCU (Doser)" under the "System Classification" drop down menu and then select the "OK" icon. 9. Follow the prompts to update the DCU to the latest software level using the Hino Diagnostic eXplorerII (Hino DX2). Refer to the following table for the appropriate software part number for the application. DCU Software 10.. Description: DCU Emissions Computer Condition: New Brand: Hino® Part Number: 89550-37253 Other Oem Part Numbers That Will Work: 89550-37253, 8955037253 Manufacturer information. Hino Motors, Ltd., commonly known as Hino, is a Japanese manufacturer of commercial vehicles and diesel engines (including those for trucks, buses and other vehicles) headquartered in Hino, Tokyo.