Inspect The Nox Sensor 2; Check The Def Sensor - Hino Motors HINO 155 series Workshop Manual

Inspect the NOx sensor 2 [HINO DX Ⅱ ]
11
Did the NOx sensor 2 communication failure (U029E) disappear?
Go to step 12.
Check the DEF sensor [HINO DX Ⅱ ]
12
Did the DEF sensor communication failure (U02A2) disappear?
Procedure completed.
If another CAN communication system DTC
is detected, go to the diagnostic procedure
for the detected DTC.
Perform After-inspection work. (Clear all past
DTC. Check no DTC is stored after test
drive.)
ENGINE (J05E)/TROUBLESHOOTING
1. Erase the trouble history and set the starter key to the "LOCK"
position.
2. Connect the NOx sensor 2 connector.
3. Set the starter key to the "ON" position.
4. Check that the NOx sensor 2 communication failure (U029E) is not
detected.
SHTS021270300053
YES
1. Erase the trouble history and set the starter key to the "LOCK"
position.
2. Disconnect the DEF sensor connector.
3. Set the starter key to the "ON" position.
4. Check that the DEF sensor communication failure (U02A2) is not
detected.
SHTS021270300054
YES
NO
Replace the NOx sensor 2.
Perform After-inspection work. (Clear all past
DTC. Check no DTC is stored after test
drive.)
NO
Replace the DEF sensor.
Perform After-inspection work. (Clear all past
DTC. Check no DTC is stored after test
drive.)
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