Hino Motors HINO 155 series, Workshop Manual, Page: 612 / 860

ENGINE (J05E)/TROUBLESHOOTING 2–576
INSPECTION PROCEDURE: P0506
1. Set the starter key to the "LOCK" position.
2. Connect the vehicle to HINO DX
Ⅱ
.
3. Set the starter key to the "ON" position.
4. Select [Engine] and check if any DTC other than P0506 has been
detected.
NO YES
1
Check the DTC detected (Engine ECU)
SHTS021270300526
Has a DTC other than P0506 been detected?
Go to the diagnostic procedure of a related
DTC. Go to step 2.