Iveco Daily. Manual — part 140
D
AI
LY
488/
50
F1
A
E
N
G
IN
E
Revi
-
Feb
ru
ar
y
2005
P
rin
t
603.93.281/
A
DTC
FMI
BLINK
CODE
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Checks to be
performed
Measuring
conditions
Values to be
detected
Remarks
5B
01
64
ELECTRONIC
CONTROL
UNIT - INTER-
NAL
ECU
FAULT (DTC 91)
EXCEED-
ING NOR-
MAL
RANGE
Wrong
ECU
programming.
Probable
elec-
tromagnetic in-
terference.
Faulty ECU.
Switch key on/
off and wait for a
few
seconds,
clear
failure
memory. If the
error
persists,
call
the
Help
Desk for instruc-
tions on how to
replace
the
ECU.
5E
01
27
ENGINE 1 - FUEL
PUMP RELAY
EXCEED-
ING NOR-
MAL
RANGE
Fuel pump on al-
ways when en-
gine is off.
Faulty
relay,
short-circuit to
positive in wir-
ing.
Turn
key-on:
pump must run
for
approxi-
mately 10 sec-
onds (it should
hum).
Check
pump relay if
pump
remains
on. Check wiring
if all checks are
OK.
5E
02
27
ENGINE 1 - FUEL
PUMP RELAY
EXCEED-
ING NOR-
MAL
RANGE
Fuel pump not
working.
Faulty
relay,
short-circuit to
ground in wiring.
Turn
key-on:
pump must run
for
approxi-
mately 10 sec-
onds (it should
hum). Check the
pump
relay,
protection fuse
and wiring if this
does not occur.
5E
04
27
ENGINE 1 - FUEL
PUMP RELAY
NO
SIG-
NAL
Fuel pump not
working.
Faulty relay, wir-
ing interrupted.
Check
wiring
and
connec-
tions.
Replace
relay if required.
D
AI
LY
F1
A
E
N
G
IN
E
488/
51
P
rin
t
603.93.281/
A
Revi
-
Feb
ru
ar
y
2005
DTC
FMI
BLINK
CODE
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Checks to be
performed
Measuring
conditions
Values to be
detected
Remarks
5E
08
27
ENGINE 1 - FUEL
PUMP RELAY
SIGNAL
NOT
PLAUS-
IBLE
Fuel pump not
working.
Faulty relay, wir-
ing interrupted.
Check
wiring
and
connec-
tions.
Replace
relay if required.
5F
01
82
FUEL PRESSURE
- RAIL PRESSURE
SENSOR
OR
SIGNAL ERROR
EXCEED-
ING NOR-
MAL
RANGE
Possible engine
disconnection.
Short-circuit to
positive.
Faulty
sensor.
Rail
pressure
not
regular.
Check
wiring
and
connec-
tions.
Replace
sensor
if
re-
quired.
Check DTC 103
error.
5F
02
82
FUEL PRESSURE
- RAIL PRESSURE
SENSOR
OR
SIGNAL ERROR
EXCEED-
ING NOR-
MAL
RANGE
Possible engine
disconnection.
Short-circuit to
ground,
faulty
sensor.
Check
wiring
and
connec-
tions.
Replace
sensor
if
re-
quired.
60
01
82
FUEL PRESSURE
- RAIL PRESSURE
SENSOR
OFFSET
EXCEED-
ING NOR-
MAL
RANGE
Possible engine
disconnection.
Faulty rail pres-
sure sensor.
Replace sensor.
60
02
82
FUEL PRESSURE
- RAIL PRESSURE
SENSOR
OFFSET
EXCEED-
ING NOR-
MAL
RANGE
Possible engine
disconnection.
Faulty rail pres-
sure sensor.
Replace sensor.
62
01
81
FUEL PRESSURE
-
FAULT
ON
THE
FUEL
DRUCK
CON-
TROL OF THE
RAIL (POSITIVE
DEVIATION)
EXCEED-
ING NOR-
MAL
RANGE
Possible engine
disconnection.
High
pressure
circuit fuel leak-
age.
Check fuel feed
system.
Fuel
manage-
ment and pres-
sure failure in
rail.
D
AI
LY
488/
52
F1
A
E
N
G
IN
E
Revi
-
Feb
ru
ar
y
2005
P
rin
t
603.93.281/
A
DTC
FMI
BLINK
CODE
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Checks to be
performed
Measuring
conditions
Values to be
detected
Remarks
62
01
81
FUEL PRESSURE
-
FAULT
ON
THE
FUEL
DRUCK
CON-
TROL OF THE
RAIL (POSITIVE
DEVIATION)
EXCEED-
ING NOR-
MAL
RANGE
Possible engine
disconnection.
Injector jammed
in fuel passage
open position.
Check hydraulic
and mechanical
efficiency of in-
jectors.
Fuel
manage-
ment and pres-
sure failure in
rail.
62
01
81
FUEL PRESSURE
-
FAULT
ON
THE
FUEL
DRUCK
CON-
TROL OF THE
RAIL (POSITIVE
DEVIATION)
EXCEED-
ING NOR-
MAL
RANGE
Possible engine
disconnection.
MPROP
ad-
juster
open
movement
jammed.
Check efficiency
of MPROP ad-
juster.
Fuel
manage-
ment and pres-
sure failure in
rail.
62
01
81
FUEL PRESSURE
-
FAULT
ON
THE
FUEL
DRUCK
CON-
TROL OF THE
RAIL (POSITIVE
DEVIATION)
EXCEED-
ING NOR-
MAL
RANGE
Possible engine
disconnection.
Faulty high pres-
sure pump.
Check efficiency
of high pressure
pump.
Fuel
manage-
ment and pres-
sure failure in
rail.
63
01
81
FUEL PRESSURE -
FAULT ON THE
FUEL
DRUCK
CONTROL
OF
THE
RAIL
(NEGATIVE DE-
VIATION)
EXCEED-
ING NOR-
MAL
RANGE
Possible engine
disconnection.
MPROP
ad-
juster
open
movement
jammed.
Check efficiency
of MPROP ad-
juster.
Fuel
manage-
ment and pres-
sure failure in
rail.
64
01
81
FUEL PRESSURE
- RAIL PRESSURE
ERROR:
TOO
LOW
EXCEED-
ING NOR-
MAL
RANGE
Possible engine
disconnection.
High
pressure
circuit fuel leak-
age.
Check
high
pressure system.
Replace
high
pressure pump
if required.
Fuel
manage-
ment and pres-
sure failure in
rail.
65
01
81
FUEL PRESSURE
- RAIL PRESSURE
ERROR:
TOO
HIGH
EXCEED-
ING NOR-
MAL
RANGE
Possible engine
disconnection.
MPROP regula-
tor jammed.
Check MPROP
regulator,
re-
place if required.
D
AI
LY
F1
A
E
N
G
IN
E
488/
53
P
rin
t
603.93.281/
A
Revi
-
Feb
ru
ar
y
2005
DTC
FMI
BLINK
CODE
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Checks to be
performed
Measuring
conditions
Values to be
detected
Remarks
66
01
81
FUEL PRESSURE
-
ERROR
ON
THE RAIL PRES-
SURE (EXCESS-
IVE
DUTY
CYCLE)
EXCEED-
ING NOR-
MAL
RANGE
Negative vehicle
reaction
with
smoke in ex-
haust during ac-
celeration.
High
pressure
circuit fuel leak-
age.
Check fuel feed
system, replace
high
pressure
pump
if
re-
quired.
Faulty
fuel feed system
(fuel pump and
filter jammed).
67
01
81
FUEL PRESSURE
-
ERROR
ON
THE RAIL PRES-
SURE (EXCESS-
IVE)
EXCEED-
ING NOR-
MAL
RANGE
Possible engine
disconnection.
MPROP regula-
tor jammed.
Check MPROP
regulator,
re-
place if required.
Replace
pres-
sure relief valve.
68
04
96
ELECTRONIC
CONTROL
UNIT - INTER-
NAL
ECU
FAULT
(DTC
104)
NO
SIG-
NAL
Wrong
ECU
programming.
Probable
elec-
tromagnetic in-
terference.
Faulty ECU.
Switch key on/
off and wait for a
few
seconds,
clear
failure
memory. If the
error
persists,
call
the
Help
Desk for instruc-
tions on how to
replace
the
ECU.
68
08
96
ELECTRONIC
CONTROL
UNIT - INTER-
NAL
ECU
FAULT
(DTC
104)
SIGNAL
NOT
PLAUS-
IBLE
Wrong
ECU
programming.
Probable
elec-
tromagnetic in-
terference.
Faulty ECU.
Switch key on/
off and wait for a
few
seconds,
clear
failure
memory. If the
error
persists,
call
the
Help
Desk for instruc-
tions on how to
replace
the
ECU.
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