ENGINE (J05E)/TROUBLESHOOTING
2–772
INSPECTION PROCEDURE: P1458
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 P1458 have been
detected.
NO
YES
1.
Check the valve sealing face and gas passageway for soot accu-
mulation and damage due to foreign substances.
2.
Check if there is soot obstructing the exhaust gas passageway
inlet or outlet.
NO
YES
1
Check the DTC detected (Engine ECU)
SHTS021270300698
Has a DTC other than P1458 been detected?
Go to the diagnostic procedure of a related
DTC.
Go to step 2.
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.
Go to step 3.
