Inspection Procedure: P0607 - Hino Motors HINO 155 series Workshop Manual

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INSPECTION PROCEDURE: P0607

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