Iveco Daily. Manual - part 46

 

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Iveco Daily. Manual - part 46

 

 

ENGINES

8140.43R/B/S/N

166

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

29

01

ENGINE 1 - FAN
RELAY

EXCEEDED
UPPER
LIMIT

Fan relay not
working.

Fan

relay

short-circuit to
positive.

Check wiring and
connections.
Replace

relay

if

required.

Possible
increased

fuel

consumption.
Possible engine
overheating and
power
reduction.

29

02

ENGINE 1 - FAN
RELAY

BELOW
LOWER
LIMIT

Fan relay not
working.

Fan

relay

short-circuit to
ground.

Check wiring and
connections.
Replace

relay

if

required.

Possible
increased

fuel

consumption.
Possible engine
overheating and
power
reduction.

29

04

ENGINE 1 - FAN
RELAY

NO
SIGNAL

Fan relay not
working.

Check wiring and
connections.
Replace

relay

if

required.

Possible
increased

fuel

consumption.
Possible engine
overheating and
power
reduction.

29

08

ENGINE 1 - FAN
RELAY

SIGNAL
NOT
PLAUSIBLE

Fan relay not
working.

Check wiring and
connections.
Replace

relay

if

required.

Possible
increased

fuel

consumption.
Possible engine
overheating and
power
reduction.

2A

01

ENGINE

1

-

PRE-HEATING
RELAY

FUEL

FILTER

EXCEEDED
UPPER
LIMIT

Fuel

filter

pre-heater relay
not working.

Filter

heater

relay
short-circuit to
positive - Heater
always on also at
fuel
temperature >
5

° C.

Check wiring and
connections.
Replace

relay

if

required.

Battery goes flat.

2A

02

ENGINE

1

-

PRE-HEATING
RELAY

FUEL

FILTER

BELOW
LOWER
LIMIT

Fuel

filter

pre-heater relay
not working.

Filter

heater

relay
short-circuit to
ground.

Check wiring and
connections.
Replace

relay

if

required.

Battery goes flat.

ENGINES

8140.43R/B/S/N

167

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

2A

04

ENGINE

1

-

PRE-HEATING
RELAY

FUEL

FILTER

NO
SIGNAL

Fuel

filter

pre-heater relay
not working.

Check wiring and
connections.
Replace

relay

if

required.

Battery goes flat.

2A

08

ENGINE

1

-

PRE-HEATING
RELAY

FUEL

FILTER

SIGNAL
NOT
PLAUSIBLE

Fuel

filter

pre-heater relay
not working.

Check wiring and
connections.
Replace

relay

if

required.

Battery goes flat.

2F

01

ENGINE

2

-

GLOW

PLUG

RELAY

EXCEEDED
UPPER
LIMIT

Possible
problematic
cold cranking.

Short-circuit to
positive,

glow

plugs always on
also with ECU
off,

possible

battery
deployment.

Check wiring and
connections.
Replace

relay

if

required.

2F

02

ENGINE

2

-

GLOW

PLUG

RELAY

BELOW
LOWER
LIMIT

Short-circuit to
ground,

glow

plugs always on.

Check wiring and
connections.
Replace

relay

if

required.

2F

04

ENGINE

2

-

GLOW

PLUG

RELAY

NO
SIGNAL

Possible
problematic
cold cranking.

Faulty wiring.

Check wiring and
connections.
Replace

relay

if

required.

Faulty diagnostic
light.

2F

08

ENGINE

2

-

GLOW

PLUG

RELAY

SIGNAL
NOT
PLAUSIBLE

Possible
problematic
cold cranking.

Faulty

relay,

wiring
interrupted.

Check wiring and
connections.
Replace

relay

if

required.

Possible
increased

fuel

consumption.
Possible engine
overheating and
power
reduction.

ENGINES

8140.43R/B/S/N

168

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

30

01

ENGINE

2

-

COLD

START

LAMP

EXCEEDED
UPPER
LIMIT

Warning

light

always

off.

Problematic
cold

cranking.

Pre-heater
warning

light

always on.

Short-circuit to
positive.

Check wiring and
connections.
Replace sensor if
required.

The driver does
not

wait

preheating even
when the room
temperatures
are low, because
no warning light
signal is enabled.
Preheating
works, but with
cold start-up no
indication

is

available that tells
you

when

to

start the motor
because the light
is always turned
on.

30

02

ENGINE

2

-

COLD

START

LAMP

BELOW
LOWER
LIMIT

Warning

light

always

off.

Problematic
cold

cranking.

Pre-heater
warning

light

always on.

Short-circuit to
ground.

Check wiring and
connections.
Replace sensor if
required.

The driver does
not

wait

preheating even
when the room
temperatures
are low, because
no warning light
signal is enabled.
Preheating
works, but with
cold start-up no
indication

is

available that tells
you

when

to

start the motor
because the light
is always turned
on.

30

04

ENGINE

2

-

COLD

START

LAMP

NO
SIGNAL

Warning

light

always

off.

Problematic
cold

cranking.

Pre-heater
warning

light

always on.

Check wiring and
connections.
Replace sensor if
required.

Warning light off
during
pre-heating.
Replace bulb if
required.

ENGINES

8140.43R/B/S/N

169

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

30

08

ENGINE

2

-

COLD

START

LAMP

SIGNAL
NOT
PLAUSIBLE

Warning

light

always

off.

Problematic
cold

cranking.

Pre-heater
warning

light

always on.

Check wiring and
connections.
Replace sensor if
required.

Warning light off
during
pre-heating.
Replace bulb if
required.

31

01

ENGINE

2

-

CONTROL
SYSTEM
PRE-POSTHEATI
NG

EXCEEDED
UPPER
LIMIT

Possible
problematic
cold cranking.

Short-circuit to
positive.

Check wiring and
connections. Check
electrical

system

between relay and
glow plugs.

Relay

unit

always on also
with ECU off,
possible battery
deployment.

32

01

ELECTRONIC
CONTROL
UNIT

-

INTERNAL ECU
FAULT

EXCEEDED
UPPER
LIMIT

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.

33

01

ELECTRONIC
CONTROL
UNIT

-

INTERNAL ECU
FAULT

EXCEEDED
UPPER
LIMIT

The

engine

switching
off-data are not
memorized. The
failures memory
is lost, only the
present failures
and

not

the

intermittent
ones

can

be

read, the idling
speed,

which

can

be

eventually

set

by the Cruise
Control
commands,
remains

not

memorized.

Faulty

ECU

EEPROM.

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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