Hino Motors HINO 155 series Workshop Manual page 590

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3. Reset condition
• After normal operation is restored and the starter key is turned "LOCK".
4. Indication, warning or system control regulation when the DTC is set.
• MIL: ON
• SVS light: OFF
• Engine output is restricted.
5. Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe function)>
• Engine output is insufficient.
• EGR valve is fully closed.
<Symptoms on the vehicle due to malfunction>
• Faulty engine revving (engine hesitation)
• Insufficient output or engine stall because of DPF clogging due to faulty catalyst regeneration
6. Pre-inspection work
• Check that the battery voltage is in the normal range.
7. After-inspection work
• Clear all past DTCs.
• Check that no DTC is detected after test drive.
8. Estimated failure factors
• Intake manifold temperature sensor failure
• Air flow sensor failure
• Boost pressure sensor failure
• Injector failure
• EGR valve failure
• Clogged intake system
• VNT controller failure
ENGINE (J05E)/TROUBLESHOOTING