Hino Motors HINO 155 series Workshop Manual page 382

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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.
• Cruise control does not work.
• Idling stop system does not work.
• Vehicle start control does not work.
• PTO cannot be used.
<Symptoms on the vehicle due to malfunction>
• –
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
• ECU failure.
• Temporary operating error due to radio wave interference or noise.
ENGINE (J05E)/TROUBLESHOOTING