Inspection Procedure: P14Bf - Hino Motors HINO 155 series Workshop Manual

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INSPECTION PROCEDURE: P14BF

1
Check the DTC detected (Engine ECU)
Has a DTC other than P14BF been detected?
Go to the diagnostic procedure of a related
DTC.
2
Inspect the EGR valve
Was any failure found?
Removing foreign matter and clean.
If damaged, replace the EGR valve.
Perform "After-inspection work" of INFOR-
MATION section.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "LOCK" position.
Connect the vehicle to HINO DX Ⅱ .
2.
3. Set the starter key to the "ON" position.
4. Select [Engine] and check if any DTC other than P14BF has been
detected.
SHTS021270300729
YES
1. Check the valve sealing face and gas passageway for soot buildup
or damage due to foreign substances.
2. Check if there is soot obstructing the exhaust gas passageway
inlet or outlet.
YES
NO
Go to step 2.
NO
Go to step 3.