ENGINE (J05E)/TROUBLESHOOTING
2–98
NO DTC
EN01H02127030602016021
ENGINE LOW POWER, MISS-FIRE, HESITATION, KNOCKING, RUNNING ROUGH
No
Parts
Check contents
Judgement
Check
(Pass/Fail)
If fail
1
Injector
Injection quantity at 1,500r/min No load
Coolant temp. more than 80
C {176
F}
10 (mm
3
/st) or
more
Injector
Replace
2
Injector
Cylinder cut-off test
(Detail on next page A)
Find knocking
cylinder
Injector
Replace
3
Air filter
Check restriction or contamination of the
air cleaner element
(Detail on next page B)
No restriction
Genuine parts
Filter
Replace
4
Air hoses
Visually check
(Detail on next page C)
No bending
No leaking
Fix Replace
5
Intake throttle
Visually check
Active test by HINO DX
Ⅱ
(Detail on next page D)
No excessive dirt
inside
Drilled 3 holes
Following target
Drill holes
6
Mass air flow sensor
Mass air flow test at 100% Free accelera-
tion (Detail on next page E)
Difference
between old and
new sensor less
than 10%
MAF
Replace
7
Exhaust Brake
Visually check
Open and close butterfly valve
(Detail on next page F)
No sticking
No seizing
Exhaust
brake
Replace
8
Engine
Compression test
More than 340psi
Overhaul