DEF SCR SYSTEM (DCU)
5–259
1.
Set the starter switch to the "LOCK" position.
2.
Connect the vehicle to Hino-DX.
3.
Set the starter switch to the "ON" position.
4.
Select [DCU].
5.
Perform [Leak test] from the [DEF addition test] in [Check func-
tions] menu on Hino-DX.
NO
YES
4
Leak test of the DEF pipe [Hino-DX]
Click "Leak test"
SAPH16F020400175
Standard values
The DEF pressure is stable in the 8,500 to 9,500 hPa
(123.3 to 137.8 psi) range for 60 seconds.
Do the measurements meet the standard value?
Procedure completed.
Perform "After-inspection work" of INFOR-
MATION section.
Go to step 5.
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 ...
