Inspect The Boost Pressure Sensor Power Supply - Hino Motors HINO 155 series Workshop Manual

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5

Inspect the boost pressure sensor power supply

E
Do the measurements meet the standard value?
Replace the boost pressure sensor.
Go to step 6 after replacement.
6
Check the DTC detected (Engine ECU)
Has DTC P0106 been detected?
Replace the engine ECU.
Perform "After-inspection work" of INFOR-
MATION section.
ENGINE (J05E)/TROUBLESHOOTING
1. Connect the engine ECU vehicle side harness to the engine ECU.
2. Set the starter key to the "ON" position.
VC
3. Use the electrical tester to measure the voltage between the termi-
nals of the boost pressure sensor vehicle side connector.
SHTS021270300200
YES
Warm up the engine (engine coolant temperature: 80 C {176 F}
1.
or more)
2. Stop the engine.
3. Set the starter key to the "ON" position.
4. Select [Engine] and check if P0106 has been detected.
SHTS021270300201
YES
Measurement
conditions connections
Boost pressure
sensor vehicle
Starter key: ON
side connector
VC – E
Replace the engine ECU.
Perform "After-inspection work" of INFOR-
MATION section.
Procedure completed.
Perform "After-inspection work" of INFOR-
MATION section.
Tester
Standard values
4.75 – 5.25 V
NO
NO