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ENGINE (J05E)/TROUBLESHOOTING
2–378
INSPECTION PROCEDURE: P0234
1.
Set the starter key to the "LOCK" position.
2.
Connect the vehicle to HINO DX
Ⅱ
.
3.
Set the starter key to the "ON" position.
4.
Select [Engine] and check if any DTC other than P0234 (for exam-
ple, P0045, P0401) has been detected.
NO
YES
1.
Make sure the boost pressure sensor hose is not clogged, rup-
tured, or cracked.
2.
Make sure the pipe on the intake manifold side is not clogged.
NO
YES
1
Check the DTC detected (Engine ECU)
SHTS021270300339
Has a DTC other than P0234 been detected?
Go to the diagnostic procedure of a related
DTC.
Go to step 2.
2
Inspect the boost pressure sensor hose.
Was any failure found?
1. Replace the boost pressure sensor hose.
2. Clean the intake manifold pipe.
Perform "After-inspection work" of INFOR-
MATION section.
Go to step 3.