Iveco Daily. Manual — part 47
ENGINES
8140.43R/B/S/N
170
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
33
02
ELECTRONIC
CONTROL
UNIT
-
INTERNAL ECU
FAULT
BELOW
LOWER
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.
33
04
ELECTRONIC
CONTROL
UNIT
-
INTERNAL ECU
FAULT
NO
SIGNAL
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.
ENGINES
8140.43R/B/S/N
171
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
33
08
ELECTRONIC
CONTROL
UNIT
-
INTERNAL ECU
FAULT
SIGNAL
NOT
PLAUSIBLE
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.
34
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.
35
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.
ENGINES
8140.43R/B/S/N
172
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
36
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.
37
01
ELECTRONIC
CONTROL
UNIT
-
INTERNAL ECU
FAULT
EXCEEDED
UPPER
LIMIT
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.
38
02
ELECTRONIC
CONTROL
UNIT
-
INTERNAL ECU
FAULT
BELOW
LOWER
LIMIT
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.
39
01
ENGINE 1 - AIR
TEMPERATURE
SENSOR
EXCEEDED
UPPER
LIMIT
Problematic
cranking, smoke,
problematic
acceleration.
Check wiring and
connections.
Replace sensor if
required.
Measure
type:
Resistance (KOhm)
Measure point 1:
Sensor
Pin:
1
Measure point 2:
Sensor Pin: 2
Connector Not
connected; Key
+15 OFF;
Typical
Value:
2,5 KOhm;
Air temperature
sensor
and
built-in pressure
sensor.
The
sensor is fitted
on flow meter in
engines
with
EGR.
ENGINES
8140.43R/B/S/N
173
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
39
02
ENGINE 1 - AIR
TEMPERATURE
SENSOR
BELOW
LOWER
LIMIT
Problematic
cranking, smoke,
problematic
acceleration.
Short-circuit to
ground,
excessively high
temperature is
detected.
Check wiring and
connections.
Replace sensor if
required.
Measure
type:
Resistance (KOhm)
Measure point 1:
Sensor
Pin:
1
Measure point 2:
Sensor Pin: 2
Connector Not
connected; Key
+15 OFF;
Typical
Value:
2,5 KOhm;
Air temperature
sensor
and
built-in pressure
sensor.
The
sensor is fitted
on flow meter in
engines
with
EGR.
3A
02
ELECTRONIC
CONTROL
UNIT
-
IMMOBILISER
BELOW
LOWER
LIMIT
The engine fails
to start
Communication
with
Immobilizer
ECU problems
on CAN Line.
Check integrity of
CAN
Line,
run
Immobilizer
ECU
diagnostics and wait
for
indications
provided.
Measure
type:
Resistance
(Ohm)
Measure point 1:
Diagnostic
socket.
Pin: 21
Measure
point 2: Diagnostic
socket. Pin: 22
Connector
Connected; Key
+15 OFF;
Typical
Value:
60 Ohm Ohm;
3C
01
INJECTOR
-
BENCH 1
EXCEEDED
UPPER
LIMIT
Engine
not
working
properly,
possible power
reduction.
Injector
wiring
short-circuit.
Check wiring and
connections.
Replace injector if
required.
Only
two
cylinders
running.
3C
02
INJECTOR
-
BENCH 1
BELOW
LOWER
LIMIT
Engine
not
working
properly,
possible power
reduction.
Short-circuit to
ground.
Check wiring and
connections.
Only
two
cylinders
running.
3C
08
INJECTOR
-
BENCH 1
SIGNAL
NOT
PLAUSIBLE
Engine
not
working
properly,
possible power
reduction.
Injector
electrical system
failure.
Check wiring and
connections.
Replace injector if
required.
Only
two
cylinders
running.
3D
04
INJECTOR
-
BENCH 1
NO
SIGNAL
Engine
not
working
properly,
possible power
reduction.
Injector
wiring
disconnected.
Check wiring and
connections.
Replace injector if
required.
Only
two
cylinders
running.
3E
01
INJECTOR
-
BENCH 2
EXCEEDED
UPPER
LIMIT
Engine
not
working
properly,
possible power
reduction.
Injector
wiring
short-circuit.
Check wiring and
connections.
Replace injector if
required.
Only
two
cylinders
running.
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