Mazda CX-9 Grand Touring 2009 Manual page 1721

Passenger-side
Potentiometer
2G front air mix
input
actuator
Front
evaporator Front evaporator
2H
temperature temperature sensor
sensor input
Ambient
Ambient
21 temperature
temperature sensor
sensor input
2008 Mazda CX-9 Grand Touring
2008 HVAC Control System (HVAC) - Mazda CX-9
Temperature control
dial (driver side):
Set temperature at
MAX HOT
Temperature control
dial (passenger
side): Set
temperature at
MAX COLD
Temperature control
dial (passenger
side): Set
temperature at
MAX HOT
Compared with
temperature
detected by front
evaporator
temperature sensor
Compared with
temperature
detected by ambient
temperature sensor
mix actuator
Front climate control
1.0
unit: terminal voltage
(2B)
Wiring harness:
continuity, short circuit
(Front climate control
1.0
unit-passenger-side
front air mix actuator:
2G-E)
Passenger-side front
air mix actuator
4.0
Front climate control
unit: terminal voltage
(2B)
Wiring harness:
continuity (Front
climate control unit--
front evaporator
temperature sensor:
2H-B, 2P-A)
Refer to
Wiring harness: short
circuit (Front climate
control unit-front
evaporator temperature
sensor: 2H-B)
Front evaporator
temperature sensor
Wiring harness:
continuity (Front
climate control unit-
ambient temperature
sensor: 21-B, 2P-A)
Wiring harness: short
Refer to
circuit (Front climate
control unit-ambient
temperature sensor:
21-B)
Ambient temperature
sensor
Wiring harness:
continuity (Front
climate control unit-
rear evaporator