
ENGINE (J05E)/TROUBLESHOOTING
2–475
Check the injection quantity and the rotational fluctuation.
1.
Start the engine.
2.
Select [Injection quantity] from [Data monitor and Active test] on
HINO DX
Ⅱ
and measure the fuel injection quantity.
3.
Select [Engine revolution] from [Data monitor and Active test] on
HINO DX
Ⅱ
and measure the engine speed fluctuation.
NO
YES
11
Inspect the injector
SHTS021270300435
E
n
gi
n
e
Ne
(r/min)
NE Rotational fluctuation
@1,500 r/min (measurement by HINO DXII)
SHTS021270300436
Measurement conditions
Engine speed: 1,500 r/min
No-load, Neutral, A/C off and Air compressor un-operating
Engine coolant temperature: more than 80
C {176
F}
Standard values
Type of
AT
Q (mm
3
/st)
5.0q
Do the measurements meet the standard values? (Are both injection quantity and engine speed
fluctuation within the standard values?)
Go to step 12.
Replace the injector.
Perform "After-inspection work" of INFOR-
MATION section.