The torque converter acts as a clutch between the engine and gearbox, and also increases torque during vehicle acceleration. The planetary gearbox provides four forward speeds and one reverse speed.
The automatic gearbox is electronically controlled and has three operating modes: "Economy" - economical, "Sport" - sports and "Winter" - winter.
Pic. 7.16. Automatic transmission AF20:
1 - Torque Converter, 2 - Torque Converter Clutch, 3 - Hydraulic Pump, 4 - Multi Disc Brake, 5 - Multi Disc Brake, 6 - Valve Control Box, 7 - Multi Disc Brake, 8 - Multi Disc Clutch, 9 - Multi Disc Clutch, 10 - Freewheel, 11 - freewheel mechanism, 12 freewheel mechanism, 13 - multi-plate clutch, 14 - brake band, 15 - differential.
Pic. 7.17. Automatic transmission electronic control system:
1 - Distributor, 2 - Fluid Temperature Sensor, 3 - Reverse Light/Starter Inhibit Circuit Switch, 4 - Pressure Control Solenoid Wires, 5 - Inlet Speed Sensor, 6 - Outlet Speed Sensor, 7 - Connection speedometer flexible shaft, 8 - throttle position sensor, 9 - electronic engine control unit, 10 - electronic control unit for automatic transmission, 11 - switch to the operating mode '' Winter" ("winter"), 12 - mode switch "Economy/Sport" ("economical/sporty"), 13 - switch for the downshift mechanism, 14 - brake light switch.
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