Iveco Daily. Manual — part 118
F1
A
E
N
G
IN
E
D
AILY
450
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
22
08
EGR
-
OPEN
CIRCUIT
ON
EGR VALVE
SIGNAL
NOT
PLAUSIBLE
EGR
solenoid
valve
short-circuit or
open circuit.
1) Check integrity of
solenoid valve with
multimeter.
2) Check
wiring
between
solenoid
valve
and
EDC
connector.
EGR either not
working
or
always working.
Emissions
not
compliant with
law. No reaction
perceivable
by
driver.
24
01
ENGINE SPEED -
CAMSHAFT
SENSOR
EXCEEDED
UPPER
LIMIT
Possible
problematic
cold cranking.
No signal, open
circuit.
Check wiring and
connections.
Flywheel sensor
timing
signal
adopted
if
camshaft signal is
not correct.
24
02
ENGINE SPEED -
CAMSHAFT
SENSOR
BELOW
LOWER
LIMIT
Possible
problematic
cold cranking.
No signal, open
circuit,
faulty
sensor.
Check
correct
assembly of sensor
and phonic wheel,
check engine timing.
Flywheel sensor
timing
signal
adopted
if
camshaft signal is
not correct.
25
01
ENGINE SPEED -
CRANKSHAFT
SENSOR
EXCEEDED
UPPER
LIMIT
Problematic
cold
cranking,
power
reduction
(possible noise
due to missed
pre-injection).
Faulty sensor.
Check wiring and
connections.
Camshaft
sensor
speed
adopted if signal
is not present.
25
02
ENGINE SPEED -
CRANKSHAFT
SENSOR
BELOW
LOWER
LIMIT
Problematic
cold
cranking,
power
reduction
(possible noise
due to missed
pre-injection).
Faulty sensor.
Check wiring and
connections.
Camshaft
sensor
speed
adopted if signal
is not present.
F1
A
E
N
G
IN
E
451
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
26
01
ENGINE SPEED -
FAULT
BETWEEN
FLYWHEEL
SENSOR
AND
CAMSHAFT
EXCEEDED
UPPER
LIMIT
Possible power
reduction.
Incorrect
camshaft phonic
wheel assembly.
Check
wiring,
connections
and
sensor, check that
phonic
wheel
is
fitted correctly.
Longer cranking
time.
28
01
ENGINE 1 - FUEL
TEMPERATURE
SENSOR
EXCEEDED
UPPER
LIMIT
Possible power
reduction.
Short-circuit to
positive,
excessively low
temperature is
detected.
Check wiring and
connections.
Replace sensor if
required.
1- Measure type:
Resistance
(Ohm)
Measure point 1:
Sensor
Pin:
1
Measure point 2:
Sensor Pin: 2
2- Measure type:
Resistance
(Ohm)
Measure point 1:
ECU
Pin:
A52
Measure point 2:
Sensor Pin: 1
3- Measure type:
Resistance
(Ohm)
Measure point 1:
ECU
Pin:
A51
Measure point 2:
Sensor Pin: 2
1-
Connector
Not connected;
Key +15 OFF;
2-
Connector
Not connected;
Key +15 OFF;
3-
Connector
Not connected;
Key +15 OFF;
1- Typical Value:
1 Ohm;
2- Typical Value:
0,1 Ohm;
3- Typical Value:
0,1 Ohm;
F1
A
E
N
G
IN
E
D
AILY
452
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
28
02
ENGINE 1 - FUEL
TEMPERATURE
SENSOR
BELOW
LOWER
LIMIT
Possible power
reduction.
Short-circuit to
ground,
excessively high
temperature is
detected.
Check wiring and
connections.
Replace sensor if
required.
1- Measure type:
Resistance
(Ohm)
Measure point 1:
Sensor
Pin:
1
Measure point 2:
Sensor Pin: 2
2- Measure type:
Resistance
(Ohm)
Measure point 1:
ECU
Pin:
A52
Measure point 2:
Sensor Pin: 1
3- Measure type:
Resistance
(Ohm)
Measure point 1:
ECU
Pin:
A51
Measure point 2:
Sensor Pin: 2
1-
Connector
Not connected;
Key +15 OFF;
2-
Connector
Not connected;
Key +15 OFF;
3-
Connector
Not connected;
Key +15 OFF;
1- Typical Value:
1 Ohm;
2- Typical Value:
0,1 Ohm;
3- Typical Value:
0,1 Ohm;
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.
F1
A
E
N
G
IN
E
453
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
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.
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
PLUGS
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
PLUGS
RELAY
BELOW
LOWER
LIMIT
Short-circuit to
ground,
glow
plugs always on.
Check wiring and
connections.
Replace
relay
if
required.
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