Inspection Procedure: P06D3 And P06D4 - Hino Motors HINO 155 series Workshop Manual

INSPECTION PROCEDURE: P06D3 and P06D4

1
Check the DTC detected (Engine ECU)
Has a DTC other than P06D3 or P06D4 (for example P0642, P0643, P0652, P0653) been detected?
Go to diagnosis procedure of a related DTC.
2
Inspect the air flow sensor connector
Was any failure found?
Connect securely, repair if needed.
Perform "After-inspection work" of INFOR-
MATION section.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "LOCK" position.
Connect the vehicle to HINO DX Ⅱ .
2.
3. Set the starter key to the "ON" position.
4. Select [Engine] and check if any DTC other than (P06D3 or
P06D4) (for example P0642, P0643, P0652, P0653) have been
detected.
SHTS021270300648
YES
1. Check the connection of the air flow sensor connector (looseness
and poor contact).
YES
NO
Go to step 2.
NO
Go to step 3.
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