Iveco Daily. Manual - part 125
F1
A
E
N
G
IN
E
D
AILY
478
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
6A
02
ELECTRONIC
CONTROL
UNIT - SENSOR
POWER SUPPLY
BELOW
LOWER
LIMIT
Anomalous
engine
operation
due
to
incorrectly
powered
sensors.
Reduced
power.
Sensor
power
circuit fault in
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.
Possible
fault
indications
of
various sensors
powered
by
ECU.
6B
01
ELECTRONIC
CONTROL
UNIT - SENSOR
POWER SUPPLY
EXCEEDED
UPPER
LIMIT
Anomalous
engine
operation
due
to
incorrectly
powered
sensors.
Reduced
power.
Sensor
power
circuit fault in
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.
Possible
fault
indications
of
various sensors
powered
by
ECU.
6B
02
ELECTRONIC
CONTROL
UNIT - SENSOR
POWER SUPPLY
BELOW
LOWER
LIMIT
Anomalous
engine
operation
due
to
incorrectly
powered
sensors.
Reduced
power.
Sensor
power
circuit fault in
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.
Possible
fault
indications
of
various sensors
powered
by
ECU.
6C
01
VEHICLE - EDC
LAMP
EXCEEDED
UPPER
LIMIT
Warning
light
not working.
Short-circuit to
positive.
Check
correct
operation
of
warning light using
”Active diagnostic”
procedure.
Warning
light
should come on
for
approximately 5
seconds
at
key-on.
Check
wiring
and
connections
if
this does not
occur.