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 System and Architecture (2)
3) Fluid Coupling
While the basic specifications and installations are the same as the "Smoother-E" on the '02 model ELF, we revised the capacitance characteristic to match the engine output of the 2ton ELF. The characteristics of the lock-up damper springs inside the fluid coupling were also revised to control the occurrence of rattling noise, making it possible to lock-up from low speeds.
4) Oil Pump ASM (Assembly)
While the basic specifications and installations are the same as the "Smoother-E" on the '02 model ELF, the line pressure is set according to each engine output, with a 0.65 [MPa] specification being added to the lineup for the 2ton ELF.
5) Wet Multiple Disc Clutch ASM
While the basic specifications and installations are the same as the "Smoother-E" on the '02 model ELF, we optimized the assembly through heat treatment and other revisions of the details.
6) Transmission ASM
The MYY model manual transmission for 2ton vehicles was modified to suite the "Smoother-E Autoshift". The clutch housing was changed to incorporate the fluid coupling, oil pump, and clutch ASM. The synchro on the 1st and reverse gears were abolished by limiting the gearshift conditions into 1st and reverse gears when driving, making it possible to simultaneously reduce the number and mass of parts, and achieve smooth gearshifts. The synchro-indexed spring load was raised on 4th and 5th gears to allow high speed shifting with the electro-magnetic gearshift unit.
7) Change Lever
The shift pattern adds upshift (+), downshift(-), and automatic gear shifting (A) modes to the conventional 3 positions of Drive(D), Neutral(N), and Reverse(R), adopting a "semi-H" shift pattern for easy use and recognition without being particular to the conventional AT pattern. We unified the shift pattern with the "Smoother-G" (Heavy-duty commercial vehicle), while retaining "Left-front reverse (R)" which we've become accustomed to on MT vehicles. The automatic gear shifting mode switch(A) was designed to be easy to use, in consideration of the amount of times the automatic gear shifting mode will be used.
All change lever operations are translated into electrical switch signals and fed to the control unit via the harness. An emergency gearshift switch allows the vehicle to be moved even when the lever signal is in error. We also added an "ECONO Switch" and "1st Take Off Switch" to the change lever.  Figure 7 Change Lever Operation Pattern
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