360 Modena gear box manual - All Ferraris

the levers on the steering wheel an the switch controls on the central tunnel.
By pressing the "automatic" mode push-button, the gear shifting control is carried out by the TCU,
which will then use pre-set controls managing.
Interfacing With The Engine Monitoring System (EMS)
Communications with the engine ECU have 3 main aims:
• acquire signals coming from the engine;
• control engine switch off during emergencies;
• control engine speed and torque during gear shifting.
In order to understand how the engine control works during gear shifting, you must examine the 3
main phases of gear shifting:
Drive reduction
At this stage, the engine is requested to reduce the torque according to a time profile depending on
the accelerator position, on the engine rpm and on the SPORT switch position when the gear
shifting is requested: the higher is the request of performance, the quicker will the torque reduction
be.
No drive
During this phase, the engine is requested to reach a certain revolution speed and then to maintain
such speed until the end of this step. The revolution speed requested to the engine is functional to
the car speed and the gear requested: the higher the gear, the lower the engine speed; the lower
the gear, the higher the engine speed.
Torque return
This is when the engine is requested to increase the torque in accordance with a profile depending
on the requested car performance: the higher the performance requested, the more rapid the torque
return.
Interfacing with the Diagnosis System
The TCU is pre-set to be connected to apposite diagnosis instruments. This is why it can store
certain car parameters, any failure it may occur and some data regarding heavy use of the
transmission system and, in particular, of the gearshift and the clutch.