Automated Manual Transmission 21 System Safety Some operating conditions concerning typical manoeuvres which can occur during the use of the vehicle are described below. Vehicle Stationary Engine Running Gear Engaged (Typically 1st, 2nd Or R): In this condition, if the brake and/or accelerator pedal is pressed and the driver's door is opened, the system maintains the current gear while one of the two pedals is pressed. The instrument panel displays the mode, logic and the current gear; no acoustic warning is emitted. Vehicle Stationary Engine Running Gear Engaged (Typically 1st, 2nd Or R): In this condition, if the brake and/or accelerator pedal is NOT pressed and the driver's door is opened, the system engages N (neutral) after about 1.5 seconds. The instrument panel displays the mode, logic and N. Vehicle Stationary Engine Running Gear Engaged (Typically 1st, 2nd Or R): In this conditions if NO action is performed for a timer longer than 3 minutes (i.e. neither the brake pedal nor the accelerator is pressed (e.g. stopped at traffic lights), the system independently selects N. The instrument panel displays the mode, logic and N. Vehicle Stationary Engine Running Gear Engaged (Typically 1st, 2nd Or R): In this condition, if the brake pedal is pressed and no action is performed for a timer longer than 10 minutes, the system independently selects N (neutral) and the instrument panel displays the mode, logic and N. Vehicle Stationary, Engine Running, Gearbox in A Gear Other Than Neutral (N): Key-Off Procedure: In this condition, if the engine is switched off, no information relating to the gearbox will be displayed. 4. Summary of Buzzer Activation Requested By the System: List of conditions when the buzzer is activated: 1. At start-up, when trying to start the engine without brake pedal pressed. 2. When one of the following prohibited manoeuvres is carried out: Request of 3rd gear engagement with vehicle stationary Request of 1st gear engagement from reverse, with: 1) Brake pedal not pressed 2) Vehicle speed above 10 km/h Reverse request with: 1) Brake pedal not pressed 2) Vehicle speed above 3 km/h 3. N (neutral) request with accelerator pressed An acoustic signal that the vehicle has been left with the gearbox in neutral is activated (NOT CONTROLLED BY TCU). Auto Calibrations: Auto calibrations enable the system to operate correctly and are as follows: Clutch bleeding Accumulator depressurisation Clutch self-calibration enablement Grid self tuning/service auto calibration New actuators Deleting statistical data Longitudinal acceleration signal learning
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