Fourth Gear

During fourth gear operation, both solenoids are off. When solenoid No. 1 is off, its operation is the same as in second and third gears.

A third solenoid controls lock-up operation.

Fourth Gear

Solenoid Valve Solenoid Valve No. 1 OFF No. 2 OFF

Solenoid Valve Solenoid Valve No. 1 OFF No. 2 OFF

2-3 Shift Valve i 1-2 Shift Valve 3-4 Shift Valve

To Direct Clutch (C2)

2-3 Shift Valve i 1-2 Shift Valve 3-4 Shift Valve

To Direct Clutch (C2)

Reprinted with permission by Toyota Motor Sales, USA, Inc., from the Automatic Transmission Course #262 textbook.

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