Iveco N60 ENT M37, Technical And Repair Manual, Page: 106 / 194

N60 ENT M37 DIAGNOSTICS
4.106
APRIL 2004
3.7
Off
Batter
y
voltage
anomal
y
5.1
On
Injector
failure
cylinder
1
5.2
On
Injector
failure
cylinder
5
5.3
On
Injector
failure
cylinder
3
Fast
idling.
The
engine
runs
on
5
cylin-
der
s.
The
engine
runs
on
5
cylin-
der
s.
The
engine
runs
on
5
cylin-
der
s.
Batter
y
voltage
too
lo
w
or
too
high.
Electroinjector
cylinder
1
shor
ted
or
circuit
open
or
def
ectiv
e
component.
Electroinjector
cylinder
5
shor
ted
or
circuit
open
or
def
ectiv
e
component.
Electroinjector
cylinder
3
shor
ted
or
circuit
open
or
def
ectiv
e
component.
Read
measur
ab
le
par
ameter
s
to
check
the
suppl
y
voltage
.
Mak
e
the
appropr
iate
checks
on
the
voltage
regulator
,batter
ies
and
char
ging
system.If
the
diff
erence
betw
een
batter
y
voltage
and
ECU
suppl
y
voltage
is
high
check
suppl
y
wir
ing
and
components.
Check
the
integr
ity
of
the
injector
coil
cylinder
1
(R
=
0.3
Ω
±
10%),
and
ground
insulation,
replace
the
injector
if
def
ectiv
e
.
If
the
coil
is
integr
al,
check
the
wir
ing
betw
een
the
solenoid
valv
e
and
EDC
connector
pin
A2-9
e
A2-13.
Check
cor
rect
tightness
to
torque
of
the
connector
s
on
the
injec-
tor
solenoid
valv
e
(1.5
Nm).
Check
the
integr
ity
of
the
injector
coil
cylinder
5
(R
=
0.3
Ω
±
10%),
and
ground
insulation,
replace
the
injector
if
def
ectiv
e
.
If
the
coil
is
integr
al,
check
the
wir
ing
betw
een
the
solenoid
valv
e
and
EDC
connector
pin
A2-3
e
A2-6.
Check
cor
rect
tightness
to
torque
of
the
connector
s
on
the
injec-
tor
solenoid
valv
e
(1.5
Nm).
Check
the
integr
ity
of
the
injector
coil
cylinder
3
(R
=
0.3
Ω
±
10%),
and
ground
insulation,
replace
the
injector
if
def
ectiv
e
.
If
the
coil
is
integr
al,
check
the
wir
ing
betw
een
the
solenoid
valv
e
and
EDC
connector
pin
A2-4
e
A2-12
Check
cor
rect
tightness
to
torque
of
the
connector
s
on
the
injec-
tor
solenoid
valv
e
(1.5
Nm).
The
voltage
might
not
actuall
y
be
too
lo
w
,b
u
t
recogniz
ed
b
y
the
con-
trol
unit
as
lo
w
.
Immediatel
y
afterwards
the
engine
might
keep
on
tur
ning
on
3
cylin-
der
s
(4-5-6)
as
the
injector
s
are
controlled
b
y
tw
o
p
o
w
er
stages.
Immediatel
y
afterwards
the
engine
might
keep
on
tur
ning
on
3
cylin-
der
s
(1-2-3)
as
the
injector
s
are
controlled
b
y
tw
o
p
o
w
er
stages.
Immediatel
y
afterwards
the
engine
might
keep
on
tur
ning
on
3
cylin-
der
s
(4-5-6)
as
the
injector
s
are
controlled
b
y
tw
o
p
o
w
er
stages.
GUIDE
T
O
BLINK CODE DIA
GNOSING
Blink
EDC
Code
light
System r
eactions
P
ossible cause
Recommended tests or action
Notes