ENGINE (J05E)/TROUBLESHOOTING
2–618
1.
Set the starter key to the "ON" position.
2.
Select [Inspection Menu] and then [EGR inspection] from the
menu, then inspect the response delay at the Target EGR position
and Actual EGR position.
! CAUTION
Perform the inspection while the engine is stopped to avoid dam-
ages.
<Inspection procedure>
(1) Select [Inspection Menu].
(2) Select [EGR inspection].
(3) Select [Start inspection].
(4) Select [EGR opening UP]:
•
Inspect the response delay at each step of the Target EGR position
and Actual EGR position from 0 to 90%.
(5) Select [EGR opening DOWN]:
•
Inspect the response delay at each step of the Target EGR position
and Actual EGR position from 90 to 0%.
HINT
The EGR opening position changes of around 10% per step
between 0
–
90%.
NO
YES
7
Check the response delay of the EGR valve [HINO DX
Ⅱ
]
(4)
(5)
(3)
(1)
(2)
SHTS021270300565
Standard values
From the Target EGR position to the Actual EGR position,
the response delay should be within 5 seconds.
Do the measurements meet the standard value?
Go to step 8.
Replace the EGR valve.
Perform "After-inspection work" of INFOR-
MATION section.