A340H Automatic Transmission - Toyota Hilux Surf 1993 Owner's Manual

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AUTOMATIC TRANSMISSION – Description
DESCRIPTION
General
The A340H automatic transmission is a four–speed, Electronic Controlled Transmission with electronically
controlled 4WD transfer, developed with the aim of producing an easy–driving 4WD vehicle.
The transfer section consists of planetary gears, hydraulic clutches and hydraulic brake. The operation of
these is fully controlled by the ECM.
The A340H transmission is mainly composed of the torque converter clutch, the overdrive (hereafter called
O/D) planetary gear unit, 3–speed planetary gear unit, 2–speed transfer, the hydraulic control system and
the electronic control system.