Pathfinder LE 2WD V6-3.3L (VG33E) (1999)
Air Door: Description and Operation
To VIN # 350000
Air Mix Door
Component Parts
Air mix door control system components are:
1. Auto amp.
2. Air mix door motor (PBR)
3. In-vehicle sensor
4. Ambient sensor
5. Sunload sensor
System Operation
Temperature set by Potentio Temperature Control (PTC) is compensated through setting temperature correction circuit to determine target
temperature.
Auto amp. will operate air mix door motor to set air conditioning system in HOT or COLD position, depending upon relationship between
conditions (target temperature, sunload, in-vehicle temperature and ambient temperature) and conditions (air mix door position and compressor
operation).
Air Mix Door Control Specification