Flow-Cut Off Test - Hino Motors HINO 155 series Workshop Manual

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Flow-Cut off test

<Cylinder cut-off test>
Test to determine cylinder combustion abnormality of the engine usually operated by four cylinders, according to the sound
difference when the fuel injection from any one of the cylinders is stopped
<Purpose>
To determine combustion abnormality of the arbitrary cylinder according to sound difference.
<Know-how & examples>
Combustion abnormality of the arbitrary cylinder is determined according to sound difference to take proper measures.
1
Cylinder cut-off test
Active test Setting
ENGINE (J05E)/TROUBLESHOOTING
1. Start the engine and maintain the engine revolution at 1,500 r/min
using the cruise function.
2. Check the engine sound before the test (during normal operation).
(Assume α as the sound.)
Data monitor and Active test
3. On the screen of the diagnostic system, select [Engine], and select
[Active test Setting] in [Data monitor and Active test].
SHTS021270300271