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.