Check The Engine Speed Main Sensor; Inspect The Engine Speed Main Sensor Power Supply - Hino Motors HINO 155 series Workshop Manual

3

Check the engine speed main sensor

Was any failure found?
Clean the sensing unit and install it properly.
If damaged, replace the engine speed main
sensor.
Perform "After-inspection work" of INFOR-
MATION section.
4

Inspect the engine speed main sensor power supply

NE+
Do the measurements meet the standard value?
Go to step 7.
ENGINE (J05E)/TROUBLESHOOTING
1. Check the installation of the engine speed main sensor.
2. Make sure there is no dirt, damage or clogging in the sensing unit
of the engine speed main sensor.
YES
1. Set the starter key to the "LOCK" position.
2. Disconnect the engine speed main sensor connector.
NE-
3. Set the starter key to the "ON" position.
4. Use the electrical tester to measure the voltage between the termi-
nals of the engine speed main sensor vehicle side connector.
SHTS021270300324
Starter key: ON
YES
Go to step 4.
Measurement Tester
conditions connections
Engine speed
main sensor vehi-
cle side connector
NE+ – NE-
Go to step 5.
2–361
NO
Standard values
4.5 – 5.5 V
NO