ENGINE (J05E)/TROUBLESHOOTING
2–538
INSPECTION PROCEDURE: P0489 and P0490
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 DTC of this
inspection has been detected.
NO
YES
1.
Check the connection of the EGR valve connector (looseness and
poor contact).
NO
YES
1
Check the DTC detected 1 (Engine ECU)
SHTS021270300493
Has a DTC other than DTC of this inspection been detected?
Go to diagnosis procedure of a related DTC.
Go to step 2.
2
Inspect the EGR valve connector
Was any failure found?
Connect securely, repair if needed.
Perform "After-inspection work" of INFOR-
MATION section.
Go to step 3.