An electronic control system for a motor vehicle comprising an automatic transmission operable to assume different operating modes, comprising a reverse mode, a neutral mode, a park mode, a drive mode and a manual mode, in response to a manual operation of a selector with at least one control switch and mounted to assume a stable central neutral position when the selector is not operated, and to be movable in opposite selection directions from the stable central neutral position to reach two instable end-of-travel selection positions arranged on opposite sides of the stable central neutral position. The automotive electronic control system is configured to detect operation of the selector and of the control switch and cause the transmission to switch from drive mode to reverse mode in response to operation of the selector in a first selection direction and with the control switch pressed, and from reverse mode to drive mode in response to operation of the selector in a second selection direction opposite to the first selection direction and with the control switch pressed.

A detecting device includes a shift selector, a magnet disposed in the shift selector, four or more sensors arranged at positions facing the magnet and an ECU. The ECU is configured to (i) determine a shift position based on signals output from the four or more sensors when the magnet is relatively displaced with respect to the four or more sensors in response to an operation of the shift selector, (ii) determine the shift position based on signals output from three or more of the four or more sensors determined to be normal when any one of the four or more sensors is abnormal, and (iii) determine the abnormality based on whether or not the three or more sensors output, during the traveling of the vehicle, a signal to a shift position pertaining to a case of traveling in the direction opposite to a traveling direction of the vehicle.

A transmission includes an input shaft coupled to a prime mover, a countershaft, main shaft, and an output shaft, with gears between the countershaft and the main shaft. A shift actuator selectively couples the input shaft to the main shaft by rotatably coupling gears between the countershaft and the main shaft. The shift actuator is mounted on an exterior wall of a housing including the countershaft and the main shaft. An integrated actuator housing includes a single external power access for the shift actuator. A controller interprets controls the shift actuator with actuating and opposing pulses, and interprets a shaft displacement angle, determines if the transmission is in an imminent zero or zero torque region, and performs a transmission operation in response to the transmission in the imminent zero or zero torque region.

The disclosure relates to a shifting device for a vehicle transmission. The shifting device comprises a gearshift lever for selecting a transmission setting of the vehicle transmission, wherein the gearshift lever can move along at least one first shift gate and one second shift gate, a marking element mechanically coupled to the gearshift lever, having at least one first marking line dedicated to the first shift gate and one second marking line dedicated to the second shift gate, a guide assembly, which is configured to guide the marking element along the first marking line to a detection position when the gearshift lever is moved along the first shift gate, and to move the marking element along the second marking line to the detection position when the gearshift lever is moved along the second shift gate, and lastly, a detection device, which is disposed at the detection position and is configured to create a movement signal representing a movement of the first marking line and/or the second marking line in relation to the detection position, in order to determine a position of the gearshift lever in the first shift gate and/or the second shift gate.

A shift lever apparatus is normally hidden, and provides traveling sensitivity according to a driver's preference when deployed for a specific mode. The shift lever apparatus includes a shift lever that is deployed or undeployed in a housing according to a rotating location; an operating mechanism installed on the shift lever to be rotated together with the shift lever, and provided with a stopper drawn out or drawn into the operating mechanism depending on whether an operation is performed; a guide installed in the housing to guide movement of the stopper and having a first fixing hole and a second fixing hole spaced apart from each other within a rotating radius of the stopper; and a sensing sensor sensing the rotating location of the shift lever when the stopper is located in the second fixing hole to transfer a shift signal according to the rotating location.

A control unit is provided for an automatic transmission of a vehicle. The vehicle has a gear selection operating element which allows a user of the vehicle to set different gear stages of the transmission by actuating the gear selection operating element, and the vehicle has at least one setting operating element which allows the user to change the value of a parameter of a function of the vehicle by actuating the setting operating element when the function of the vehicle is activated. The control unit is designed to detect an actuation of the gear selection operating element for a period of time which is equal to or longer than a minimum duration and to determine that the function of the vehicle is deactivated. In response thereto, the control unit is additionally designed to allow a manual change of the transmission gear by actuating the at least one setting operating element.

The invention relates to an arrangement for reading off predetermined positions of a gear lever (11). A sensor arrangement (1) with a first sensor component (10) moves with the gear lever (11) and a plurality of second sensor components (S21-S25) interacts with the first sensor component (10), wherein in each of the predetermined positions of the gear lever (11), the first sensor component (10) interacts with at least one second sensor component (S21-S25). A position determination unit (30) compares the current sensor output values with stored sensor output values in a table (40). When a faulty condition is detected in one of the sensor components (S21-S25), the stored sensor output values for the faulty sensor component are updated with the faulty output value of the faulty sensor component in the table (40) of expected sensor output values.

This transmission device includes a mode changeover switch (59) on which a mode changeover operation between a manual mode (M2) and an automated mode (M1) is externally performed, other operation unit (80) on which a predetermined shift operation is externally performed separately from the mode changeover switch (59), and a control unit (60) configured to control a mode changeover between the manual mode (M2) and the automated mode (M1). The control unit (60) executes the mode changeover between the manual mode (M2) and the automated mode (M1) on the basis of the mode changeover operation on the mode changeover switch (59). When the shift operation on the other operation unit (80) has been performed, the control unit (60) executes the mode changeover between the manual mode (M2) and the automated mode (M1).

In a shift device, as a result of lower sliding projections of a lever moving slidingly against lower sliding plates of soft materials, the slidability of the lever is improved. Moreover, as a result of restricting projections of the lever being abutted against stoppers of the soft materials, noise generated when a sliding motion of the lever is restricted is reduced. Additionally, because the lower sliding plates and the stoppers are formed integrally with each other, the structure can be simplified.

A shift mode control system includes a control apparatus that controls a shift mode of a vehicle, a first operation device that receives a first operation to switch an automatic mode to a manual mode, and a second operation device that receives a second operation to switch the manual mode to the automatic mode. The control apparatus includes a processor that calculates a speed ratio change amount that is a difference between a first speed ratio set when the automatic mode is switched to the manual mode in accordance with the first operation and a second speed ratio set when the manual mode is switched to the automatic mode in accordance with the second operation. The processor updates the speed ratio change amount set as a switching condition for automatically switching the manual mode to the automatic mode to the speed ratio change amount calculated by the processor.