In Drive

Position selector lever in Drive and accelerate vehicle. A 1-2 and 2-3 shift should occur at all throttle positions (shift points will vary with throttle position). Check part throttle 3-2 downshift at 30 MPH by quickly opening throttle approximately three-fourths. Transmission should downshift 3-2. Check for 3-2 downshifts at 50 MPH, by depressing accelerator fully.