Mazda CX-7 2007 Workshop Manual page 1190

Term Signal
Connected to
inal name
• Evaporator
temperature
sensor
• Ambient
K Sensor GND
temperature
sensor
• Airflow mode
actuator
L GND Body ground
M —
N —
O —
P B+ ROOM 15 A fuse
Motor Airflow mode
Q
operation actuator
R IG2 A/C 10 A fuse
Motor Airflow mode
S
operation actuator
T —
U —
Motor
V Air intake actuator
operation
Ambient
Ambient
W temperature
temperature sensor
sensor input
Motor
X Air intake actuator
operation
07-40–18
CONTROL SYSTEM
Measurement
condition
Under any condition
Under any condition
— —
— —
— —
Under any condition
Moving towards
DEFROSTER
Moving towards VENT
IG SW ON
IG SW OFF
Moving towards VENT
Moving towards
DEFROSTER
— —
— —
Moving towards
RECIRCULATE
Moving towards
FRESH
Compared with
temperature detected
by ambient
temperature sensor
Moving towards
FRESH
Moving towards
RECIRCULATE
Voltage (V) Inspection item (s)
• Climate control unit: terminal voltage (L)
1.0 or less
• Wiring harness: continuity (Climate
1.0 or less
control unit— GND: L— GND)
—
—
—
• Wiring harness: continuity, short circuit
(Climate control unit— fuse: P—
B+
ROOM 15 A)
• ROOM 15 A fuse
• Wiring harness: continuity, short circuit
10.60
(Climate control unit— airflow mode
actuator: Q— F, S— D)
0.69
• Airflow mode actuator
• Wiring harness: continuity, short circuit
(Climate control unit— fuse: R— A/C
B+
10 A)
• A/C 10 A fuse
• Wiring harness: continuity, short circuit
1.0 or less (Climate control unit— fuse: R— A/C
10 A)
• Wiring harness: continuity, short circuit
10.64
(Climate control unit— airflow mode
actuator: S— D, Q— F)
0.68
• Airflow mode actuator
—
—
• Wiring harness: continuity, short circuit
10.62
(Climate control unit— air intake
actuator: V— F, X— D)
• Air intake actuator
0.66
• Wiring harness: continuity (Climate
control unit—ambient temperature
sensor: W—B, K—A)
• Wiring harness: short circuit (Climate
Refer to
control unit—ambient temperature
graph 1
sensor: W—B)
• Ambient temperature sensor
• Climate control unit: terminal voltage (L,
R)
• Wiring harness: continuity, short circuit
10.64
(Climate control unit— air intake
actuator: X— D, V— F)
0.67 • Air intake actuator
—
—
—
—
—