ENGINE (J05E)/TROUBLESHOOTING
2–347
INSPECTION PROCEDURE: P0200
1.
Connect the vehicle to HINO DX
Ⅱ
.
2.
Set the starter key to the "ON" position.
3.
Select [Engine] and check the communication between HINO DX
Ⅱ
and the engine ECU.
4.
Erase the malfunction history.
5.
Set the starter key to the "LOCK" position.
6.
In HINO DX
Ⅱ
, make sure the engine ECU main relay is OFF. (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 P0200 has been detected.
NO
YES
1
Check the engine ECU internal 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.
SHTS021270300312
Has DTC P0200 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.