Inspection Procedure: P049D - Hino Motors HINO 155 series Workshop Manual

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INSPECTION PROCEDURE: P049D

Check the DTC detected [HINO DX Ⅱ ]
1
Has a DTC other than P049D been detected?
Go to the diagnosis procedure of a related
DTC.
2
Inspect the EGR valve
Was any failure found?
Remove foreign substances and clean the
EGR valve.
Replace the EGR valve if it is damaged.
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 P049D has been
detected
SHTS021270300497
YES
1. Check if the link joining the actuator and valve unit is disconnected
or bent.
2. Check if there is soot obstructing the exhaust gas passageway
inlet or outlet.
3. Check if the valve or valve seat has come off.
4. Manually push the actuator-side lever and check if the valve opens
and closes.
YES
NO
Go to step 2.
NO
Go to step 3.