How it Works
Iveco
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Euro 4
User Manual
19 pgs369.15 Kb9
Service Manual
140 pgs3.05 Mb1

Iveco Euro 4, Euro 5 User Manual

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Iveco Trakker Euro 4/5 Fault Codes List
See also:
▪ Iveco Stralis Fault Codes List ▪ Iveco Workshop Manuals PDF
FMI
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Acceler
ator pedal/ brake pedal suspect
Vehicle acceleration very slow. Engine idle speed: 500 rpm.
Accelerator pedal and brake pressed simultaneously (for too long); Accelerator pedal blocked or faulty; Incorrect use of vehicle.
Check the accelerator pedal signal and pedal mechanical movement.
Clutch signal suspect
The parameter reading shows that the clutch is pressed.
Clutch switch faulty or wiring problems in pedal.
Check clutch pedal switch and wiring.
Brake pedal signal
error
Slight power re­duction
Main and secondary brake switch not synchronised. One of the two brake pedal switches may be stuck.
Check the synchronisation of both switches (signal) and wiring.
Plausibil
ity +
15
Possible mechanical problem (in pawl) or electrical problem.
Check wiring.
Speed limiter w / light
Warning light permanently off.
Short circuit or defective wiring.
Check wiring.
Warning light
ODB
Warning light permanently off.
Short circuit or defective wiring.
Check wiring.
FMI
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
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Warning light permanently off.
Short circuit or defective wiring.
Check wiring.
Cold
start
lamp
Warning light permanently off.
Short circuit or defective wiring.
Check wiring.
Main relay defect
Possible problems during after-run.
Relay short circuit to battery positive or ground.
Check wiring between ECM and battery. Replace relay if necessary.
Battery voltage
Possible problems during after-run.
Alternator or battery defective. Possible wiring problem.
Check wiring. Replace alternator regulator or battery Replace the alternator if necessary.
Engine brake electro
valve
Engine brake not operational.
Relay or wiring short-circuited or interrupted.
Check wiring. Replace relay if necessary.
Main relay ­short circuit to battery
Possible problems during after-run.
Relay short circuit to battery positive or ground. Relay may be faulty.
Check wiring between ECM and battery. Replace relay if necessary.
Air conditioner com
pressor
relay
Possible problems during after run.
Relay short circuit to battery positive or ground.
Relay may be faulty.
Check wiring between ECM and battery. Replace relay if necessary.
FMI
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Relays for engine brake valve
Possible problems during after run.
Relay short circuit to battery positive or ground. Relay may be faulty.
Check wiring between ECM and battery. Replace relay if necessary.
Thermostarter relay 1 (heater)
Heater not working.
Relay or wiring short circuited or interrupted.
Check wiring. Replace relay if necessary.
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Thermostarter relay 2
Heater not working.
Relay or wiring short circuited or interrupted.
Check wiring. Replace relay if necessary.
Manageme nt system
pre/ post heating (active)
Grid heater permanently operating.
Grid heater short circuited to ground.
Check wiring and component.
Coolant tem
perature
sensor
No reaction noticeable on behalf of the driver.
Sensor short ­circuited or value implausible.
Check the wiring. Replace sensor if necessary.
Coolant tem
perature
sensor (test)
Slight power reduction.
Operation in extreme environmental conditions or sensor inaccurate.
Ensure the engine is not working in extreme environmental conditions. Check the wiring and the sensor accuracy. Replace sensor if necessary.
FMI
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Air tem
perature sensor boost air
Slight power re­duction.
Sensor short circuited or value implausible.
Check the wiring. Re- place sensor if necessary.
Boost
pressure
sensor
No reaction perceivable by the driver.
Parameter recov
ery
value: 2700 mbar.
Sensor short circuited or difference between environmental pressure and turbo pressure implausible.
Check the wiring. Also check the environ- mental pressure sensor. Replace sensor if necessary.
Fuel tem
perature
sensor
Slight power re­duction.
Sensor short­circuited or value implausible.
Check the wiring. Re- place sensor if necessary.
Oil pressure sensor
No reaction perceivable by the driver.
Parameter recov
ery
value: 3000 mbar.
Sensor short­circuited or value implausible.
Check the wiring and oil level. Replace sensor
if
necessary.
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Oil tem
perature
sensor
No reaction perceivable by the driver. Parameter recovery value: coolant temperature value (if intact) otherwise
120 C).
Sensor short­circuited or value implausible.
Check the wiring. Replace sensor if necessary.
Atmospheric temperature sensor (humidtiy?)
No reaction perceivable by the driver. Parameter recovery value: 40 C.
Sensor short­circuited or value implausible.
Check the wiring. Replace sensor if necessary.
FMI
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Crank
shaft
speed
No reaction noticeable on behalf of the driver.
Signal interrupted or wiring problem.
Sensor installation may not be correct.
Check wiring and installation. Replace sensor
if
necessary.
Engine working only With camshaft sensor
No reaction perceivable by the driver.
Signal interrupted or wiring problem. Sensor installation may no t be correct.
Check wiring and installation. Replace sensor if
necessary.
Camshaft sensor
No reaction perceivable by the driver.
Signal interrupted or wiring problem. Sensor installation may no t be correct.
Check wiring and installation. Replace sensor
if
necessary.
Fault between fly-Wheel sensor and camshaft
No reaction noticeable on behalf of the driver.
Signal interrupted or wiring problem. Flywheel and timing sensor installation may be incorrect.
Check wiring and installation of both sensors.
Fan
relay
No reaction perceivable by the driver.
Fan off.
Short circuit or fan actuator faulty.
Check the wiring and the fan actuator. Replace the actuator if necessary.
Air conditioner com
pressor
relay
Air conditioner permanently off.
Wiring or relay short-circuited.
Check the wiring. Replace relay if necessary.
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FMI
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Preheating relay fuel
Filter
Filter heater not working.
Wiring or filter heater short­circuited.
Check the wiring. Re- place the filter heater if necessary.
Injecto
r
cylinder
1
The engine runs on 5 cylinders.
Injector no.1 electric trouble.
Check correct tightness to torque of the connectors on the solenoid valve of the injector (1.36 - 1.92 Nm). Check
the integrity of the injector coil and replace the injector if defective. If the coil is integral, check the wiring between the solenoid valve and EDC -con
nector.
Injecto
r cylinder
2
The engine runs on 5 cylinders.
Injector no.2 electric trouble.
Check correct tightness to torque of the connectors on the solenoid valve of the injector (1.36 - 1.92 Nm). Check
the integrity of the injector coil and replace the injector if defective. If the coil is integral, check the wiring between the solenoid valve and EDC connector.
Injecto
r
cylinder
3
The engine runs on 5 cylinders.
Injector no.3 electric trouble
Check correct tightness to torque of the connectors on the solenoid valve of the injector (1.36 - 1.92 Nm). Check
the integrity of the injector coil and replace the injector if defective. If the coil is integral, check the wiring between the solenoid valve and EDC con
nector.
FMI
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Pre-heating relay
fuel
Filter
Filter heater not working.
Wiring or filter heater short­circuited.
Check the wiring. Replace the filter heater if necessary.
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Injecto
r
cylinder
1
The engine runs on 5 cylinders.
Injector no.1 electric trouble.
Check correct tightness to torque of the connectors on the solenoid valve of the injector (1.36 - 1.92 Nm). Check
the integrity of the injector coil and replace the injector if defective. If the coil is integral, check the wiring between the solenoid valve and EDC- con
nector.
Injecto
r cylinder
2
The engine runs on 5 cylinders.
Injector no.2 electric trouble.
Check correct tightness to torque of the connectors on the solenoid valve of the injector (1.36 - 1.92 Nm). Check
the integrity of the injector coil and replace the injector if defective. If the coil is integral, check the wiring be- tween the solenoid valve and EDC­connector.
Injecto
r
cylinder
3
The engine runs on 5 cylinders.
Injector no.3 electric trouble
Check correct tightness to torque of the connectors on the solenoid valve of the injector (1.36 - 1.92 Nm). Check
the integrity of the injector coil and replace the injector if defective. If the coil is integral, check the wiring between the solenoid valve and EDC-con
nector.
FMI
Failing
component
Type of
Failure
Visible failure
Possible Cause
Repair action
Cylinder 4
The engine runs on 5 cylinders
Injector no.4 electric trouble
Check correct tightness to torque of the connectors on the solenoid
valve of the
injector
(1.36 - 1.92 Nm).
Check
the integrity of the
in
jector coil and replace
the injector if defective. If the coil is integral,
check the wiring between the solenoid valve and EDC connector.
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