Iveco Stralis AT/AD. Manual — part 348
001713t
III.176
ELECTRONIC SYSTEMS
S
TRALIS
AT/AD
Base - January 2003
The information required by the operator is displayed by the system on the Instrument Cluster central display.
The symbols displayed by the system are as follows:
System self-diagnosis
Clutch overload
Gear in neutral
Duct disc wear
Accelerator pedal pressed before turning the ignition
key
Transmission in the manual mode
Slow reverse selected
Transmission in the automatic mode, with clear display
Transmission with the automatic mode pre-selected
but not active with shadowed display (moving at low
speed)
Fast reverse selected
Speed number selected (12
th
)
Low system air pressure
Transmission in the manual mode, lower speeds recĆ
ommended by the system
Recommended ratios (as many as 3) are displayed
with bars
ELECTRONIC SYSTEMS
III.177
S
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AT/AD
LIMP - HOME
The Limp Home function enables removing the vehicle when the system presents serious anomalies it cannot manage automati-
cally. It cannot move the vehicle when purely mechanical anomalies are present. The operator can activate the Limp Home func-
tion as follows:
1.
Key switch on stop
2.
Key switch on +15
3.
Press the blue color push button on the gear shift lever within 5 seconds
4.
Keep the blue color push button pressed for at least 5 seconds.
The operator can select the speed at which to start with gearshift lever, and can select as many as 7 speeds forward and 2 reverse with
the 16 speed transmissions and 5 and 2 respectively with the 12-speed one. Selection is managed by the system via an internal delay
reaction time and not through the speed with which the gearshift lever sensors identify lever movements.
Speed selection must be slow to allow the system to implement each individual speed, as the Cluster displays individual speeds with a
delay of a few seconds.
The speeds that can be set with the Limp Home function can only be selected with the vehicle stationary.
After start speed selection, pressing the function push button for at least 2 seconds makes the system control timed clutch engagement.
To prevent the engine from stopping, the clutch disengages automatically when the speed output from the transmission is below a
reference threshold. Is the clutch sensor is not operating properly, the clutch can only be engaged/disengaged manually with the Func-
tion push button.
The system disregards any gearshift lever movement during vehicle movement. In particular, push button function operation is excluded
when engine rpm is over 950 and reactivated at under this rating.
Clutch management can thus also be manual with the function push button on the gearshift lever of the brake pedal when engine rpm is
under/equal to 950. When the vehicle is stopped with the Limp Home function, the clutch is managed automatically if possible or
manually as described above.
At vehicle stop, the system keeps the Limp Home function active with the start speed set previously and the function remains active until
system RESET is completed.
1. Multifunction lever - 2. Steering Wheel Interface - 3. Instrument Cluster - 4. Backup lights - 5. Rear Frame Computer - 6.Body
Computer - 7. Door open switch - 8.9. PTO on request switches- 10. Tachograph - 11. Intarder centre - 12. EBS centre - 13.
EDC centre - 14. External buzzer - 15. PTO electro valves- 17. PTO on warning switches - 18. Proportional electro valve - 19.
Water temperature sensor - 20. Engine cutout electro valve - 21. Accelerator pedal - 22. ON/OFF electro valve - 23. Brake pedal
Duplex distributor - 24. VGT electro valve - 25. Gearshift/transmission electronic centre - 26. Diagnosis connection
002840t
30
Poles
K line
III.178
ELECTRONIC SYSTEMS
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AT/AD
Base - January 2003
1. Clutch actuator - 2. Tachograph gearshift/transmission outgoing speed sensor - 3. Gearshift/transmission outgoing speed
sensor for sensor - 4. Gearshift idling position sensor - 5. Frame side centre connector - 6. Vehicle Data Bus VDB CAN line
- 7. System internal CAN line - 8. Gearshift/transmission electronic centre - 9. Gearshift/transmission side centre connector
002109t
ELECTRONIC SYSTEMS
III.179
S
TRALIS
AT/AD
Location of main components
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