QX4 V6-3.5L (VQ35DE) (2001)
Air Door Actuator / Motor: Description and Operation
Intake Door Motor
SYSTEM DESCRIPTION
Component Parts
Intake door control system components are:
1. Auto amp.
2. Intake door motor
3. A/C LAN system (PBR built-in mode motor and air mix door motor)
4. In-vehicle sensor
5. Ambient sensor
6. Sunload sensor
7. Intake sensor
System Operation
The intake door control determines intake door position based on the ambient temperature, the intake air temperature and the in-vehicle temperature.
When the ECON, DEFROST, or OFF switches are pushed, the auto amplifier sets the intake door at the "Fresh" position.
Intake Door Control Specification