P Position

Shift solenoid valves B and E are turned ON, and A, C, and D OFF. Line pressure (1) flows to the shift solenoid valves and A/T clutch pressure control solenoid valve A. Line pressure (3) changes to (3') at shift valve E, and flows to the servo valve. The servo valve is moved to the reverse/park position. Hydraulic pressure is not applied to the clutches.

Fig 1: P Position Driving In Reverse Gear Hydraulic Flow Diagram

Courtesy of AMERICAN HONDA MOTOR CO., INC.