Open Operation

When passenger side door unlock and back door shuts, back door opener switch is pushed.
Back door closure control unit receives the signal, closure motor is operated in an open direction, and back door opens.
Closure motor is operated in the close direction and stops at a neutral position when the following conditions detected after turning on open switch.
- When back door is in half-open state, and
- 5 seconds past without opening back door.

Fig 1: Identifying Status Of Door Switches That Control Door Motor During Open & Closing Operation

Courtesy of NISSAN MOTOR CO., U.S.A.