Iveco Daily. Manual — part 51
ENGINES
8140.43R/B/S/N
186
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
5E
01
ENGINE 1 - FUEL
PUMP RELAY
EXCEEDED
UPPER
LIMIT
Fuel pump on
always
when
engine is off.
Faulty
relay,
short-circuit to
positive
in
wiring.
Turn key-on: pump
must
run
for
approximately
10
seconds (it should
hum). Check pump
relay
if
pump
remains on. Check
wiring if all checks
are OK.
5E
02
ENGINE 1 - FUEL
PUMP RELAY
BELOW
LOWER
LIMIT
Fuel pump not
working.
Faulty
relay,
short-circuit to
ground in wiring.
Turn key-on: pump
must
run
for
approximately
10
seconds (it should
hum). Check the
pump
relay,
protection fuse and
wiring if this does
not occur.
5E
04
ENGINE 1 - FUEL
PUMP RELAY
NO
SIGNAL
Fuel pump not
working.
Faulty
relay,
wiring
interrupted.
Check wiring and
connections.
Replace
relay
if
required.
5E
08
ENGINE 1 - FUEL
PUMP RELAY
SIGNAL
NOT
PLAUSIBLE
Fuel pump not
working.
Faulty
relay,
wiring
interrupted.
Check wiring and
connections.
Replace
relay
if
required.
5F
01
FUEL PRESSURE
- RAIL PRESSURE
SENSOR
OR
SIGNAL ERROR
EXCEEDED
UPPER
LIMIT
Short-circuit to
positive. Faulty
sensor.
Rail
pressure
not
regular.
Check wiring and
connections.
Replace sensor if
required.
Check DTC 103
error.
ENGINES
8140.43R/B/S/N
187
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
5F
02
FUEL PRESSURE
- RAIL PRESSURE
SENSOR
OR
SIGNAL ERROR
BELOW
LOWER
LIMIT
Short-circuit to
ground,
faulty
sensor.
Check wiring and
connections.
Replace sensor if
required.
60
01
FUEL PRESSURE
- RAIL PRESSURE
SENSOR
OFFSET
EXCEEDED
UPPER
LIMIT
Faulty
rail
pressure sensor.
Replace sensor.
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.
ENGINES
8140.43R/B/S/N
188
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
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.
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.
ENGINES
8140.43R/B/S/N
189
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
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.
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.
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