ENGINE (J05E)/TROUBLESHOOTING
2–511
INSPECTION PROCEDURE: P041B
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 P041B (for example, P0401, P0402,
P0404, P0234, P0299, P22D3, turbocharger, EGR system DTC)
has been detected.
HINT
Intercooler outlet temperature sensor characteristic abnormality
judgement is performed based on the boost pressure and EGR
rate data.
If EGR system or Turbo DTC are detected, perform another failure
diagnosis starting from the first DTC associated with the malfunc-
tion.
NO
YES
1.
Check the connection of the EGR cooler outlet temperature sensor
connector (looseness and poor contact).
NO
YES
1
Check the DTC detected (Engine ECU)
SHTS021270300472
Has a DTC other than P041B been detected?
Go to the diagnostic procedure of a related
DTC.
Go to step 2.
2
Inspect the EGR cooler outlet temperature sensor connector
Was any failure found?
Connect securely, repair if needed.
Perform "After-inspection work" of INFOR-
MATION section.
Go to step 3.