Hino Motors HINO 155 series Workshop Manual page 131

Inspec-
tion 1
steps
Inspec- Engine/
tank,
tion area ECU
filter
Inspect
the fuel
Check
the sup-
ply pump
specifi-
separa-
cation
tor and
learning
gauze fil-
Inspect
air inclu-
Check
Priming
for free
opera-
smoke.
tion and
air bleed-
Inspec-
tion items
External
ECU
fuel leak-
data
monitor
(Check
HINO DX
Ⅱ
hoses for
reports.)
leakage.
Internal
fuel leak-
ence of
increase
in engine
ENGINE (J05E)/TROUBLESHOOTING
2 3 4
Fuel Air intake
Sensor
system
system
parts
Inspect Engine
the boost coolant
sensor. tempera-
filter.
Inspect ture sen-
Ele-
the sen- sor
ment,
sors and Output
check voltage
the and
hoses for resis-
ter
clogging. tance
Com-
mon rail
pressure
sensor
Inspect
Inter-
sion. HINO DX
cooler
Ⅱ fuel
body and
leakage
Damage
and
in hoses
check
ing follow
ability to
actual
level.
age
Check
pipes
and
age
Pres-
an
oil
5 6
Exhaust
EGR
system/ VN turbo-
valve/
exhaust charger
cooler
brake
2–95
7 8 9
Supply
Injector
pump
Injection
quantity
compen-
Inspect
sation
the set
between
timing.
cylinders
Check
Check
gear
through
phases.
data
monitor-
ing.
Inspect a
compen-
sated
injection
quantity.
Check
writing.
Inspect
an injec-
tion
quantity.
1. Idling
speed
2. Mid
speed