Multimode manual transmission

Multimode Manual Transmission (MMT or M/M, also Multimode Transmission) is a type of sequential manual transmission offered by Toyota. It uses a traditional manual gearbox with an electronically controlled clutch. Multimode Manual Transmission is available in the Aygo, Yaris, Corolla, Corolla Verso, Mark X and Auris in Europe, and should not be confused with Multimode Automatic Transmission, which is offered in the North American market by Toyota.

The Multimode Manual Transmission has the following gears: R, N, E, M+, M-.

A Multimode manual car has a clutch instead of a torque converter. As such, gear changes are noticeable, and the car rolls backwards when on an up-sloping incline.

The E mode functions as the D gear in a full automatic car. Via the onboard computer and electronic clutch, the car automatically selects the appropriate gear based on speed and gradient information. An MMT car limits the highest gear selectable, if the gradient is steep.

Under M mode, sequential gear shifts can be made by changing the gear to M+ and M-. Under M mode, the gear selected will be displayed as one of M1/M2/M3/M4/M5/M6 on the dashboard. Under M mode, the gear will not change even if the engine revolution reaches the red-zone, which will lead to engine damage. However, the user is prevented from excessively downshifting to a gear that exceeds the maximum revolution possible for the engine, or excessively up-shifting to a gear that may lead the engine to stall. When the car is braked to a complete stop, the M1 gear is automatically selected.

Operationally similar systems are the Direct-Shift Gearbox offered by Volkswagen AG, I-SHIFT offered by Honda, and Easy-R by Renault Group's Dacia. Other technologies that produce automatic transmissions are the conventional automatic transmission and continuously variable transmission. For example, continuously variable transmission is implemented as the MultiDrive S in Toyota iQ.

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