DEF SCR SYSTEM (DCU)
5–270
1.
Set the starter switch to the "LOCK" position.
2.
Disconnect the SST2 DEF tank side connector (1) and fill a clean
small container with clean DEF.
3.
Set the starter switch to the "ON" position.
4.
Perform the [Leak test] as same as step 2.
HINT
•
The DEF is discharged from the connector in the container.
NO
YES
4
Inspect the DEF pressure 2 (Inspection of the DEF sensor) [Hino-DX]
(2)
(1)
DEF
sensor
Separate
container
SAPH16F020400184
Measurement
condition
Standard values
Starter switch: ON
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?
Replace the DEF sensor.
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 ...
