2J
Rear
evaporator
temperature
sensor input
Rear evaporator
temperature sensor
Compared with
temperature
detected by rear
evaporator
temperature sensor
Refer to
temperature sensor: 2J-
B, 2P-A)
z
Wiring harness: short
circuit (Front climate
control unit-rear
evaporator temperature
sensor: 2J-B)
z
Rear evaporator
temperature sensor
2K
Cabin
temperature
sensor input
Cabin temperature
sensor
Compared with
temperature
detected by cabin
temperature sensor
Refer to
z
Wiring harness:
continuity (Front
climate control unit-
cabin temperature
sensor: 2K-B, 2P-A)
z
Wiring harness: short
circuit (Front climate
control unit-cabin
temperature sensor:
2K-B)
z
Cabin temperature
sensor
2L
-
-
-
-
-
2M
Solar radiation
sensor(LH)
input
Solar radiation
sensor
Natural sunlight
shined directly on
the solar radiation
sensor
4.0
z
Wiring harness:
continuity (Front
climate control unit-
solar radiation sensor:
2M-C, 2B-A)
z
Front climate control
unit: terminal voltage
(2B)
z
Solar radiation sensor
Blocking light to
solar radiation
sensor
1.0 or
less
2N
Potentiometer
input
Rear air mix
actuator
Temperature control
dial (rear side): Set
temperature at
MAX COLD
1.3
z
Wiring harness:
continuity, short circuit
(Front climate control
unit-rear air mix
actuator: 2N-E)
z
Rear air mix actuator
z
Front climate control
unit: terminal voltage
(2B)
Temperature control
dial (rear side): Set
temperature at
MAX HOT
4.0
Natural sunlight
shined directly on
the solar radiation
4.0
z
Wiring harness:
continuity (Front
climate control unit-
2008 Mazda CX-9 Grand Touring
2008 HVAC Control System (HVAC) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:12:36 AM
Page 43
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