Iveco Daily. Manual — part 111
F1A ENGINE
D
AILY
422
Base - May 2004
Blink code
Indicator light
Fault description
Power reduction
ELECTRO-INJECTORS
5.1
Blinking
Cylinder 1 injector solenoid valve
5.2
Blinking
Cylinder 2 injector solenoid valve
5.3
Blinking
Cylinder 3 injector solenoid valve
5.4
Blinking
Cylinder 4 injector solenoid valve
5.7
Blinking
Bank 1 (cylinders 1 — 4)
5.8
Blinking
Bank 2 (cylinders 2 — 3)
ENGINE SPEED
6.1
Blinking
Crankshaft sensor
*
6.2
Blinking
Timing sensor
*
6.4
Off
Engine overspeed
FUEL PRESSURE
8.1
Blinking
Fuel pressure control
*
or cutting out engine
8.2
Blinking
Fuel pressure sensor
*
8.3
Blinking
Pressure regulator solenoid valve
8.5
On
EGR monitoring
8.6
On
EGR solenoid valve
8.7
On
Debimeter
8.8
Off
Air temperature sensor (debimeter)
CONTROL UNIT
9.1
Blinking
Control unit error (Gate array)
*
or cutting out engine
9.2
On
Control unit error (EEPROM)
9.3
Blinking
EDC — Immobilizer communication
9.4
On
Main contactor
9.5
Off
After run test
9.6
Blinking
Engine Stop Test (ECU)
9.7
Blinking
Sensor power supply
*
or cutting out engine
9.8
Blinking
Control unit error (Checksum)
Starting not possible
9.9
Blinking
Control unit error (Operating system)
Cutting out engine
(
∗) Cases when there is a power reduction.
F1
A
E
NG
INE
423
D
AI
LY
B
as
e
-
M
ay
2004
P
rin
t
603.
93.
281
ENGINE
BLINK
CODE
EDC
LAMP
POSSIBLE
CAUSE
POSSIBLE
TROUBLE
TESTS OR
RECOMMENDED ACTION
NOTES
1.1
On
Vehicle speed sensor signal
not plausible (circuit may
be
open
or
sensor
defective).
The speedometer does not
work (if the fault is between
the
sensor
and
the
speedometer).
Cruise Control / PTO are
not working.
Read measurable parameters with the
diagnostic instrument: when there is
this error, the vehicle speed read on the
control unit will be fixed on 5 km/h.
Read fault memory with the diagnosis
instrument: if the error is intermittent,
check the connectors for an uncertain
contact.
If the error is present, perform the
following checks:
•
If the speedometer doesn’t work,
use a multimeter to check the sensor
power supply (12V) between its pin 1
and earth.
If the power supply is correct, check the
wiring between the sensor’s pin 3 and
the
instrument
panel’s
pin
B1*
(A22**), between the sensor’s pin 2
and the instrument panel’s pin B10*
(A21**).
•
If the speedometer works but
indicates an implausible speed, check
the sensor is fitted properly, it is clean
and its magnetic gap is correct.
If the defect persists, check the wiring
between the instrument panel’s pin
B5* (A20**) and the EDC connector’s
pin B14, and between the instrument
panel’s pin B13* (A1**) and the EDC
connector’s pin B4.
Error detected only with vehicle travelling and
only in the event of a short circuit.
If signal is not present no error is detected
because the control unit considers vehicle to be
at a standstill.
* old code
** new code
F1
A
E
NG
INE
D
AI
LY
424
B
as
e
-
M
ay
2004
P
rin
t
603.
93.
281
BLINK
CODE
EDC
LAMP
POSSIBLE
CAUSE
POSSIBLE
TROUBLE
TESTS OR
RECOMMENDED ACTION
NOTES
1.3
Off
Cruise Control / PTO
control buttons not
plausible.
Cruise Control / PTO and
idling adjustment fail to work.
Read
status
parameters
with
the
diagnosis instrument to identify the
defective control (does not switch
ON-OFF).
Check the wiring from OFF (pin 4 drive
control system) to EDC connector pin
B32, RESUME (pin 5 drive control
system) to EDC connector pin B25, from
SET + button (pin 6 drive control
system) to EDC connector pin B33, from
SET — button (pin 3 drive control
system) to EDC connector pin B1.
Check there is voltage (approximately
12V) between pins 1, 2 and earth of the
Cruise Controls.
If the voltage is right and the wiring
sound, but the fault remains, change the
right-hand lever of the drive control
system.
Not plausible if Set+ and Set- or Resume and Off
are activated at the same time.
1.4
Blinking
Throttle pedal
potentiometer shorted.
Power loss.
Engine runs at fast idle speed
(1500 rpm) with throttle
pedal in rest position.
Pressing the pedal causes the
engine
rpm
to
increase
progressively
and
uncontrollably
up
to
a
reduced top speed (3900
rpm).
Read measurable parameters with the
diagnostic
instrument
to
check
potentiometer malfunctioning (the signal
does not change from 0% to 100%).
Check the integrity of the potentiometer
(R total = approx. 1 kOhm between pins
4 and 6), check the linear change in
resistance of the potentiometer between
pins 5 — 6 and 5 — 4 between the
minimum and the maximum. If the
potentiometer is working correctly,
check the wiring between the pedal
connector pin 6 and the EDC connector
pin B27, between the pedal connector
pin 4 and the EDC connector pin B35,
between the pedal connector pin 5 and
the EDC connector pin B2.
1.4
Blinking
No signal from the
throttle pedal
potentiometer (circuit
may be open).
Fast idling 1500 rpm in any
pedal position.
Check the integrity of the potentiometer.
If the potentiometer is sound, check the
wiring between the potentiometer and
the EDC control unit connector.
F1
A
E
NG
INE
425
D
AI
LY
B
as
e
-
M
ay
2004
P
rin
t
603.
93.
281
BLINK
CODE
EDC
LAMP
POSSIBLE
CAUSE
POSSIBLE
TROUBLE
TESTS OR
RECOMMENDED ACTION
NOTES
1.4
Blinking
Throttle pedal: implausible
signal between idling switch
and potentiometer.
Fast idling 1500 rpm in idling
position
and
normal
acceleration position when
pressing the pedal.
Read status parameters with the
diagnosis instrument to check the idling
switch works properly.
If the outcome is negative, use a
multimeter on the component to
check the integrity of the idling switch
(ON-OFF switching between pins 3
and 2 of the pedal connector).
If the switch is sound, look for a break
in the wiring between the switch pin 2
and EDC connector pin B29, between
switch pin 3 and EDC connector pin
B13.
(The potentiometer signal is good and indicates
the pedal has been released, but the switch status
indicates the pedal is pressed.)
1.4
Blinking
Throttle pedal: implausible
signal between idling switch
and potentiometer.
Idling normal, but on pressing
the pedal the engine speed
settles on an intermediate
fixed value.
Using a multimeter on the component,
check
the
integrity
of
the
potentiometer.
If the potentiometer is sound, look for
a break or short-circuiting in the wiring
between the potentiometer and the
connector.
(The potentiometer signal is good and indicates
the
pedal
has
been
released,
but
the
potentiometer signal indicates the pedal is
pressed.)
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