AUTOMATIC TRANSMISSION SYSTEM


  1. CONSTRUCTION


    1. Models with 2GR-FKS Engine


      • The transmission valve body assembly consists of the upper and lower valve bodies and 9 shift solenoid valves.

        B003SJ1C01
        *1 Shift Solenoid Valve SR (Transmission 3-way Lock Up Solenoid Assembly) *2 Shift Solenoid Valve SLT (Line Pressure Control Solenoid Assembly)
        *3 Shift Solenoid Valve SLU (Lock Up Control Solenoid Assembly) *4 Shift Solenoid Valve SL1
        *5 Shift Solenoid Valve SL5 *6 Shift Solenoid Valve SL4
        *7 Shift Solenoid Valve SL3 *8 Shift Solenoid Valve SL (Transmission 3-way Lock Up Solenoid Assembly)
        *9 Shift Solenoid Valve SL2 *10 Lower Valve Body
        *11 Plate *12 Upper Valve Body

        Figure 1. Upper Valve Body

        B003SKTC01
        *1 Lock-up Relay Valve *2 Solenoid Regulator Valve
        *3 No. 1 Clutch Apply Control Valve *4 No. 1 B1 Apply Control Valve
        *5 No. 2 Clutch Apply Control Valve *6 C4 Relay Valve
        *7 Signal Check Valve *8 No. 2 Clutch Apply Relay Valve
        *9 C2 Damper *10 B2 Control Valve
        *11 B2 Check Valve *12 No. 1 Clutch Apply Relay Valve
        *13 Solenoid Modulator Valve *14 C1 Accumulator Valve
        *15 Lock-up Control Valve - -

        Figure 2. Lower Valve Body

        B003ST8C01
        *1 Primary Regulator Valve *2 B2 Apply Control Valve

    2. Models with 8AR-FTS Engine


      • The transmission valve body assembly consists of the upper and lower valve bodies and 9 shift solenoid valves.

        B003SIIC01
        *1 Upper Valve Body *2 Lower Valve Body
        *3 Shift Solenoid Valve SL5 *4 Shift Solenoid Valve SL3
        *5 Shift Solenoid Valve SL4 *6 Shift Solenoid Valve SL2
        *7 Shift Solenoid Valve SL1 *8 Shift Solenoid Valve SLT
        *9 Shift Solenoid Valve SLU *10 Shift Solenoid Valve SC2
        *11 Shift Solenoid Valve SC1 - -

      • A lubrication relay valve is used to adjust the lubricant of the gears, bearings and friction materials during high and low loads. As a result, the lubrication flow amount during low loads is suppressed reducing transmission torque loss.

        Figure 3. Upper Valve Body

        B003SPEC04
        *A Models with Stop and Start System - -
        *1 Lock-up Control Valve *2 Lock-up Relay Valve
        *3 Lubrication Relay Valve *4 Secondary Regulator Valve
        *5 Primary Regulator Valve *6 No. 1 Clutch Apply Control Valve
        *7 Signal Check Valve *8 No. 2 Clutch Apply Control Valve
        *9 C2 Damper *10 Sequence Valve
        *11 C1 Damper *12 C3-B2 Control Valve
        *13 Solenoid Relay Valve *14 Solenoid Modulator Valve
        *15 C1 Accumulator *16 C1 Apply Relay Valve