Group Sharing The Sensor Supply Terminal - Hino Motors HINO 155 series Workshop Manual

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GROUP SHARING THE SENSOR SUPPLY TERMINAL

• If one of the sensor power supplies fails, more than one malfunction codes will occur for the sensors sharing the sensor

supply terminal.

Check the sensors for short circuits and whether the sensor supply circuit is in normal condition.

ECU terminal

Intake throttle valve position sensor 1

Common rail pressure sensor (Main)

Boost pressure sensor

PTO accelerator sensor

Differential pressure sensor

• If P0642 or P0652 has also occurred, the sensor supply of the ECU may be in abnormal condition or the GND may be

shorted somewhere in the following sensor group.

Accelerator pedal position sensor 1

Common rail pressure sensor (Sub)

Differential pressure sensor

PTO accelerator sensor

Boost pressure sensor

Common rail pressure sensor

Intake throttle valve position sensor 1

Accelerator pedal position sensor 1

Camshaft position sensor

ENGINE (J05E)/TROUBLESHOOTING

EN01H02127030602016009

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