ENGINE (J05E)/TROUBLESHOOTING
2–626
INSPECTION PROCEDURE: P0607
1.
Connect the vehicle to HINO DX
Ⅱ
.
2.
Set the starter key to the "ON" position.
3.
Select [Engine] in HINO DX
Ⅱ
and check the communication
between HINO DX
Ⅱ
and the engine ECU.
4.
Erase the trouble history.
5.
Set the starter key to the "LOCK" position.
6.
Make sure the engine ECU main relay is OFF in HINO DX
Ⅱ
. (This
cuts off the communication between HINO DX
Ⅱ
and the engine
ECU.)
7.
Set the starter key to the "ON" position.
8.
Select [Engine] and check if P0607 has been detected.
NO
YES
1
Inspect the engine ECU circuit [HINO DX
Ⅱ
]
When communication with the engine ECU is
interrupted while the engine ECU is connected to
the HINO DX
Ⅱ
, the connection symbol at the left
bottom of the HINO DX
Ⅱ
screen (the figure below)
becomes disconnected.
SHTS021270300569
Has DTC P0607 been detected?
Replace the engine ECU.
Perform "After-inspection work" of INFOR-
MATION section.
Procedure completed.
(Temporary operating error due to radio
wave interference or noise.)
Perform "After-inspection work" of INFOR-
MATION section.
