Quickly press and release the switch to close the back door.
Pressing the switch while the back door is opening/closing stops the operation.
To operate the back door again, quickly press and release the switch. The back door will then move in the opposite direction. (If the back door is stopped at a position close to the fully closed position, the back door will only open when the switch is quickly pressed and released.)

Opening the back door from outside the vehicle
When closing the back doorIntake air control valve ASSY NO.2 (3MZ-FE)
REPLACEMENT
1. REMOVE INTAKE AIR CONTROL VALVE ASSY NO.2
(a) Remove the 3 bolts and nut.
(b) Turn the lever to the closed position as shown in the illustration
and pull out the IAC valve.
(c) Remove the gasket from the intake air surge tank.
2. INSTALL INTAKE AIR CONTROL VALVE ASSY NO.2
( ...