Based on signals from one shift sensor and one selector sensor, the two shifter side and one selector side solenoid PID(Proportional Integral Differential) control the solenoid thrust by PWM output, in order to determine the gear position.

The system features both an "automatic gear shifting mode" via shift MAP, and a "sequential manual transmission mode" with +/- operation. The right foot can be planted on the accelerator pedal during shifts due to engine speed synchronization management using CAN communication, performing control identical to lifting off the accelerator pedal during upshifts, and depressing the accelerator pedal during downshifts. In either case, the control is performed in the order of: clutch disengage ⇒ change gear position ⇒ synchronize engine speed engage clutch.

It is possible to select shift modes from any of the following combinations, based on function and usage conditions.
<Automatic Gearshift Mode>
Automatically shifts from the take off gear to all gears.
<Sequential MT Mode>
Gears change in accordance with the manual +/-change lever operation from the take off gear. Automatically returns to the take off gear when the vehicle comes to a halt.
<Normal Mode>
The normal shift MAP is selected in the automatic gear shifting mode.
<Eco Mode>
The shift MAP of the automatic gear shifting mode will limit the engine seed from increasing, selecting a shift mode with emphasis on fuel economy.
<1st Take Off Mode>
While the take off gear is usually set to 2nd gear, when conditions require a large driving force, 1st gear can be used as the take off gear by selecting the 1st switch.

Table 1 Smoother-E Autoshift Driving Mode Selection

The lock-up clutch controls operation through an ON / OFF solenoid valve. It controls the smooth lock-up when the clutch is connected. Lock-up begins at a slower speed during relatively slow standing starts, contributing to fuel-efficient driving.

If the change lever is moved from N to D when the vehicle is at a halt, the adopted N-Lock control feature will cancel the gear selection process unless the brake pedal is depressed. This will prohibit the vehicle from starting should the change lever be operated erroneously.

A PTO switch was adopted to assume the same function as a clutch on MT vehicles. Operating the PTO SWITCH increases the engine speed at idle when PTO engages a gear, preparing for PTO load up; the shift clutch is connected simultaneously to completing the PTO operation preparation.