Instruction manual

Engine
73
Cylinder drop test
■
Perform cylinder drop test to observe the affect on engine speed as a selected cylinder
is deactivated for 5 seconds during a 20 second cycle. Note that the ISC valve is
placed in a fixed position during this test to allow easier viewing of rpm change as
each cylinder is deactivated.
Display the test item selection screen.
1.
Select “Drop cylinder” by either clicking it or pressing the up or down arrow keys
2.
on your keyboard.
Click the [OK] button or press the [Enter] key on your keyboard.
3.
The test screen is displayed.
4.
Start the engine.
5.
Click the [Execute] button or press the [Enter] key on your keyboard.
6.
Check variations in engine speed, vibration, and noise.
7.
TIP:
Click the [Cancel] button or press the [Esc] key on your keyboard to stop the test.•
To carry out the test again, click the [Execute] button or press the [Enter] key on •
your keyboard.
To perform a different test or perform the test on a different cylinder, click the •
[Back] button or press the [Esc] key on your keyboard to return to the previous
screen.