Temperature control
dial (driver side):
Set temperature at
MAX HOT
1.0
mix actuator
z
Front climate control
unit: terminal voltage
(2B)
2G
Potentiometer
input
Passenger-side
front air mix
actuator
Temperature control
dial (passenger
side): Set
temperature at
MAX COLD
1.0
z
Wiring harness:
continuity, short circuit
(Front climate control
unit-passenger-side
front air mix actuator:
2G-E)
z
Passenger-side front
air mix actuator
z
Front climate control
unit: terminal voltage
(2B)
Temperature control
dial (passenger
side): Set
temperature at
MAX HOT
4.0
2H
Front
evaporator
temperature
sensor input
Front evaporator
temperature sensor
Compared with
temperature
detected by front
evaporator
temperature sensor
Refer to
z
Wiring harness:
continuity (Front
climate control unit--
front evaporator
temperature sensor:
2H-B, 2P-A)
z
Wiring harness: short
circuit (Front climate
control unit-front
evaporator temperature
sensor: 2H-B)
z
Front evaporator
temperature sensor
21
Ambient
temperature
sensor input
Ambient
temperature sensor
Compared with
temperature
detected by ambient
temperature sensor
Refer to
z
Wiring harness:
continuity (Front
climate control unit-
ambient temperature
sensor: 21-B, 2P-A)
z
Wiring harness: short
circuit (Front climate
control unit-ambient
temperature sensor:
21-B)
z
Ambient temperature
sensor
z
Wiring harness:
continuity (Front
climate control unit-
rear evaporator
2008 Mazda CX-9 Grand Touring
2008 HVAC Control System (HVAC) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:12:36 AM
Page 42
© 2005 Mitchell Repair Information Company, LLC.