Mazda CX-7 2007 Workshop Manual page 1193

AIR MIX ACTUATOR INSPECTION
Caution
• If the lever position exceeds the operation range shown in the figure, the circuit in the actuator
could be damaged. Always perform an actuator operation with the lever movement within the
range shown in the figure.
1. Connect battery positive voltage to terminal D or F and ground to terminal F or D of the air mix actuator.
2. Verify that the air mix actuator operates as shown
below.
• If there is any malfunction, replace the air mix
actuator.
Connection
B+ GND
D F
F D
3. Verify that the resistance between the terminals of
the air mix actuator are as shown in the graph.
• If there is any malfunction, replace the air mix
actuator.
End Of Sie
WM: REFRIGERANT PRESSURE SWITCH
REFRIGERANT PRESSURE SWITCH REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system. (See 07-10-6 REFRIGERANT RECOVERY.) (See 07-10-2
REFRIGERANT CHARGING.)
3. Loosen the refrigerant pressure switch using two spanners.
4. Remove in the order indicated in the table.
1 Refrigerant pressure switch connector
2 Refrigerant pressure switch
(See 07-40-21 Refrigerant Pressure Switch
Installation Note.)
5. Install in the reverse order of removal.
6. Perform the refrigerant system performance test.
(See 07-10-6 REFRIGERANT SYSTEM
PERFORMANCE TEST.)
Refrigerant Pressure Switch Installation Note
1. Apply compressor oil to O-ring and connect the joint.
End Of Sie
CONTROL SYSTEM
Movement
HOT → COLD
COLD → HOT
67.5°
MAX HOT
M
MAX HOT
BETWEEN A
AND C
KILOHM
TERMINALS WIRE
3.5
0.5
MAX MAX
HOT COLD
AIR MIX ACTUATOR POSITION
1
8.82—10.78
2
{90.0—109.9,
R
78.1—95.3}
id074000802500
MAX COLD
22.5°
F D C B A
*
acxuuw00001567
F
D
MAX COLD
B
C
A
acxuuw00000736
BETWEEN C
AND B
TERMINALS WIRE
MAX
MAX
HOT
COLD
acxuuw00000737
id074000802600
N·m {kgf·cm, in·lbf}
acxuuw00001571
07-40–21
07-40