Hino Motors HINO 155 series Workshop Manual page 557

5. Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe function)>
• –
<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 stored after test drive.
8. Estimated failure factors
• Abnormal resistance of sensor.
• Short-circuit in the sensor.
• Malfunction of the sensor power supply in the engine ECU.
• Disconnect and short-circuit of the harness.
• Irregular contact of the connector.
ENGINE (J05E)/TROUBLESHOOTING 2–521