System Operation

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

The intake door control judges intake door position based on the ambient temperature, the intake air temperature and the in-vehicle temperature. When in shifting mode position D/F, if the DEF or OFF switches are pressed, or when the A/C switch is OFF, the A/C auto amp. sets the intake door to the FRE position.

Door Motor Circuit

Fig 1: Door Motor Circuit Diagram

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

Intake Door Control Specification

Fig 2: A/C Auto Amp Temperature Chart

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