Iveco Daily. Manual — part 124
F1
A
E
N
G
IN
E
D
AILY
474
B
as
e
-
M
ay
2004
Prin
t
603.93.281
DTC
FMI
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Checks to be
performed
Measuring
conditions
Values to be
detected
Remarks
60
02
FUEL PRESSURE
- RAIL PRESSURE
SENSOR
OFFSET
BELOW
LOWER
LIMIT
Faulty
rail
pressure sensor.
Replace sensor.
62
01
FUEL PRESSURE
-
FAULT
ON
THE
FUEL
DRUCK
CONTROL
OF
THE
RAIL
(POSITIVE
DEVIATION)
EXCEEDED
UPPER
LIMIT
High
pressure
circuit
fuel
leakage.
Check
fuel
feed
system.
Fuel
management
and
pressure
failure in rail.
62
01
FUEL PRESSURE
-
FAULT
ON
THE
FUEL
DRUCK
CONTROL
OF
THE
RAIL
(POSITIVE
DEVIATION)
EXCEEDED
UPPER
LIMIT
Injector jammed
in fuel passage
open position.
Check hydraulic and
mechanical
efficiency
of
injectors.
Fuel
management
and
pressure
failure in rail.
62
01
FUEL PRESSURE
-
FAULT
ON
THE
FUEL
DRUCK
CONTROL
OF
THE
RAIL
(POSITIVE
DEVIATION)
EXCEEDED
UPPER
LIMIT
MPROP
adjuster
open
movement
jammed.
Check efficiency of
MPROP adjuster.
Fuel
management
and
pressure
failure in rail.
62
01
FUEL PRESSURE
-
FAULT
ON
THE
FUEL
DRUCK
CONTROL
OF
THE
RAIL
(POSITIVE
DEVIATION)
EXCEEDED
UPPER
LIMIT
Faulty
high
pressure pump.
Check efficiency of
high pressure pump.
Fuel
management
and
pressure
failure in rail.
F1
A
E
N
G
IN
E
475
D
AILY
B
as
e
-
M
ay
2004
Prin
t
603.93.281
DTC
FMI
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Checks to be
performed
Measuring
conditions
Values to be
detected
Remarks
63
01
FUEL PRESSURE
-
FAULT
ON
THE
FUEL
DRUCK
CONTROL
OF
THE
RAIL
(NEGATIVE
DEVIATION)
EXCEEDED
UPPER
LIMIT
MPROP
adjuster
open
movement
jammed.
Check efficiency of
MPROP adjuster.
Fuel
management
and
pressure
failure in rail.
64
01
FUEL PRESSURE
- RAIL PRESSURE
ERROR:
TOO
LOW
EXCEEDED
UPPER
LIMIT
High
pressure
circuit
fuel
leakage.
Check high pressure
system.
Replace
high pressure pump
if required.
Fuel
management
and
pressure
failure in rail.
65
01
FUEL PRESSURE
- RAIL PRESSURE
ERROR:
TOO
HIGH
EXCEEDED
UPPER
LIMIT
MPROP
regulator
jammed.
Check
MPROP
regulator, replace if
required.
66
01
FUEL PRESSURE
-
ERROR
ON
THE
RAIL
PRESSURE
(EXCESSIVE
DUTY CYCLE)
EXCEEDED
UPPER
LIMIT
Negative vehicle
reaction
with
smoke
in
exhaust during
acceleration.
High
pressure
circuit
fuel
leakage.
Check
fuel
feed
system, replace high
pressure pump if
required. Faulty fuel
feed system (fuel
pump
and
filter
jammed).
67
01
FUEL PRESSURE
-
ERROR
ON
THE
RAIL
PRESSURE
(EXCESSIVE)
EXCEEDED
UPPER
LIMIT
Engine off.
MPROP
regulator
jammed.
Check
MPROP
regulator, replace if
required.
Replace
pressure
relief
valve.
F1
A
E
N
G
IN
E
D
AILY
476
B
as
e
-
M
ay
2004
Prin
t
603.93.281
DTC
FMI
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Checks to be
performed
Measuring
conditions
Values to be
detected
Remarks
68
02
ELECTRONIC
CONTROL
UNIT
-
INTERNAL ECU
FAULT
BELOW
LOWER
LIMIT
Switch key on/off
and wait for a few
seconds,
clear
failure memory. If
the error persists,
call the Help Desk
for instructions on
how to replace the
ECU.
68
04
ELECTRONIC
CONTROL
UNIT
-
INTERNAL ECU
FAULT
NO
SIGNAL
Wrong
ECU
programming.
Probable
electromagnetic
interference.
Faulty ECU.
Switch key on/off
and wait for a few
seconds,
clear
failure memory. If
the error persists,
call the Help Desk
for instructions on
how to replace the
ECU.
68
08
ELECTRONIC
CONTROL
UNIT
-
INTERNAL ECU
FAULT
SIGNAL
NOT
PLAUSIBLE
Wrong
ECU
programming.
Probable
electromagnetic
interference.
Faulty ECU.
Switch key on/off
and wait for a few
seconds,
clear
failure memory. If
the error persists,
call the Help Desk
for instructions on
how to replace the
ECU.
F1
A
E
N
G
IN
E
477
D
AILY
B
as
e
-
M
ay
2004
Prin
t
603.93.281
DTC
FMI
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Checks to be
performed
Measuring
conditions
Values to be
detected
Remarks
69
01
ELECTRONIC
CONTROL
UNIT - SENSOR
POWER SUPPLY
EXCEEDED
UPPER
LIMIT
Anomalous
engine
operation
due
to
incorrectly
powered
sensors.
Reduced
power.
Sensor
power
circuit fault in
ECU.
Switch key on/off
and wait for a few
seconds,
clear
failure memory. If
the error persists,
call the Help Desk
for instructions on
how to replace the
ECU.
Possible
fault
indications
of
various sensors
powered
by
ECU.
69
02
ELECTRONIC
CONTROL
UNIT - SENSOR
POWER SUPPLY
BELOW
LOWER
LIMIT
Anomalous
engine
operation
due
to
incorrectly
powered
sensors.
Reduced
power.
Sensor
power
circuit fault in
ECU.
Switch key on/off
and wait for a few
seconds,
clear
failure memory. If
the error persists,
call the Help Desk
for instructions on
how to replace the
ECU.
Possible
fault
indications
of
various sensors
powered
by
ECU.
6A
01
ELECTRONIC
CONTROL
UNIT - SENSOR
POWER SUPPLY
EXCEEDED
UPPER
LIMIT
Anomalous
engine
operation
due
to
incorrectly
powered
sensors.
Reduced
power.
Sensor
power
circuit fault in
ECU.
Switch key on/off
and wait for a few
seconds,
clear
failure memory. If
the error persists,
call the Help Desk
for instructions on
how to replace the
ECU.
Possible
fault
indications
of
various sensors
powered
by
ECU.
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