Mazda CX-9 Grand Touring 2009 Manual page 1722

Rear
evaporator Rear evaporator
2J
temperature temperature sensor
sensor input
Cabin
Cabin temperature
2K temperature
sensor
sensor input
2L -
Solar radiation
Solar radiation
2M sensor(LH)
sensor
input
Potentiometer Rear air mix
2N
input actuator
2008 Mazda CX-9 Grand Touring
2008 HVAC Control System (HVAC) - Mazda CX-9
Compared with
temperature
detected by rear
evaporator
temperature sensor
Compared with
temperature
detected by cabin
temperature sensor
- -
Natural sunlight
shined directly on
the solar radiation
sensor
Blocking light to
solar radiation
sensor
Temperature control
dial (rear side): Set
temperature at
MAX COLD
Temperature control
dial (rear side): Set
temperature at
MAX HOT
Natural sunlight
shined directly on
the solar radiation
temperature sensor: 2J-
B, 2P-A)
Wiring harness: short
circuit (Front climate
Refer to control unit-rear
evaporator temperature
sensor: 2J-B)
Rear evaporator
temperature sensor
Wiring harness:
continuity (Front
climate control unit-
cabin temperature
sensor: 2K-B, 2P-A)
Wiring harness: short
Refer to
circuit (Front climate
control unit-cabin
temperature sensor:
2K-B)
Cabin temperature
sensor
- -
Wiring harness:
continuity (Front
4.0
climate control unit-
solar radiation sensor:
2M-C, 2B-A)
Front climate control
unit: terminal voltage
1.0 or
(2B)
less
Solar radiation sensor
Wiring harness:
continuity, short circuit
1.3
(Front climate control
unit-rear air mix
actuator: 2N-E)
Rear air mix actuator
Front climate control
4.0
unit: terminal voltage
(2B)
Wiring harness:
4.0
continuity (Front
climate control unit-