ENGINE CONTROL SYSTEM (J08E)
4–925
1.
Connect the vehicle to Hino-DX.
2.
Set the starter switch to the "ON" position.
3.
Select [Engine] and check if a CAN communication system mal-
function (U02A2) has been detected in [Fault Information].
NO
YES
1.
Connect the vehicle to Hino-DX.
2.
Set the starter switch to the "ON" position.
3.
Select [Engine] and check if P203F has been detected in [Fault
Information].
NO
YES
4
Check the DTC detected (Engine) [Hino-DX]
Select
Engine
SAPH16F010300723
Had DTC U02A2 been detected?
Go to the diagnostic procedure of a related
DTC.
Replace the DEF tank level sensor, and go to
step 5.
5
Check the DTC detected (Engine ECU) [Hino-DX]
Select
Engine
SAPH16F010300724
Has DTC P203F been detected?
Replace the engine ECU.
Perform "After-inspection work" of INFOR-
MATION section.
Procedure completed.
Perform "After-inspection work" of INFOR-
MATION section.
Summary of Contents for 238
Page 201: ...ENGINE CONTROL SYSTEM J08E 4 978 Harness disconnection or short circuit ...
Page 215: ...ENGINE CONTROL SYSTEM J08E 4 992 Malfunction of sensor 2 Malfunction of engine ECU ...
Page 301: ...ENGINE CONTROL SYSTEM J08E 4 1078 8 Estimated failure factors Malfunction of engine ECU ...
Page 709: ...DEF SCR SYSTEM DCU 5 143 8 Estimated failure factors DEF pump pressure sensor malfunction ...