Hino Motors HINO 155 series Workshop Manual page 188

2–152
8. Estimated failure factors
• Intercooler outlet temperature sensor malfunction
• Failure of intake air temperature sensor (with built-in air flow sensor)
• Intake manifold temperature sensor malfunction
• Boost pressure sensor
- Sensor is disconnected from measuring site or sensing unit is malfunctioning (due to dirt, clogging, damage, etc.)
- Faulty resistance (due to sticking)
• ECU sensor power supply failure
ENGINE (J05E)/TROUBLESHOOTING