Inspection Procedure: P0405 And P0406; Inspect The Egr Valve Connector - Hino Motors HINO 155 series Workshop Manual

INSPECTION PROCEDURE: P0405 and P0406

1
Check the DTC detected (Engine ECU)
Has any DTC other than (P0405 or P0406) been detected?
Go to diagnosis procedure of a related DTC.
2

Inspect the EGR valve 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 (P0405 or P0406)
has been detected.
SHTS021270300466
YES
1. Check the connection of the EGR valve connector (looseness and
poor contact).
YES
NO
Go to step 2.
NO
Go to step 3.
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