Hino Motors HINO 155 series Workshop Manual page 469

Flow-Cut off test
<Cylinder cut-off test>
By stopping fuel injection for one of the cylinders of an engine normally running with four, this test detects combustion
abnormalities of any cylinder.
<Purpose>
Evaluation of combustion abnormalities of each cylinder by sound difference.
<Know-how & examples>
Detect combustion abnormalities of any cylinder from differences in the sound and perform the required corrections.
1
Cylinder cut-off test
Active test Setting
ENGINE (J05E)/TROUBLESHOOTING
1. Start the engine and use the cruise control function to run the
engine at 1,500 r/min.
2. Check that the engine sound at the time of normal operation. (The
sound at this time shall be α.)
Data monitor and Active test
3. Select [Data monitor and Active test].
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