Mazda 3 Service Manual: Air Mix Actuator Inspection [Full Auto Air Conditioner]
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 inspection with the lever movement within the range shown in the figure.
Driver-side
1. Connect battery positive voltage to air mix actuator terminal C (or B), connect terminal B (or C) to ground, and then verify that the air mix actuator operates as shown in the table.
-
If the operation condition is not normal, replace the air mix actuator.
|
Terminal |
Air mix actuator operation |
|
|
B |
C |
|
|
B+ |
Ground |
COLD → HOT |
|
Ground |
B+ |
HOT → COLD |
2. Verify that the resistance between terminals F and G, E and F matches the air mix actuator operation as shown in the graph.
-
If the operation condition and resistance are not normal, replace the air mix actuator.
Passenger-side
1. Connect battery positive voltage to air mix actuator terminal C (or B), connect terminal B (or C) to ground, and then verify that the air mix actuator operates as shown in the table.
-
If the operation condition is not normal, replace the air mix actuator.
|
Terminal |
Air mix actuator operation |
|
|
B |
C |
|
|
B+ |
Ground |
HOT → COLD |
|
Ground |
B+ |
COLD → HOT |
2. Verify that the resistance between terminals F and G, E and F matches the air mix actuator operation as shown in the graph.
-
If the operation condition and resistance are not normal, replace the air mix actuator.
Air Intake Actuator Removal/Installation [Manual Air Conditioner]
1. Set the air intake mode to FRESH.
2. Disconnect the negative battery cable..
3. Remove the following parts:
a. Front scuff plate (Passenger-side).
b. Front side trim (Passenger-side).
c. ...
Air Mix Actuator Removal/Installation [Full Auto Air Conditioner]
Driver-side
1. Disconnect the negative battery cable..
2. Disconnect the connector.
3. Remove the hook (1), remove the rod (2) from the air mix actuator link.
4. Remove the screw.
5. ...
Other materials:
Antenna Feeder No.4 Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Upper column cover.
b. Instrument cluster.
c. Center panel.
d. Audio unit (Vehicles with audio unit).
e. Center cover.
f. Dashboard upper panel.
g. Front scuff plate (RH).
h. Front side trim (RH).
3. Dis ...
Climate Control Unit Inspection [Full Auto Air Conditioner]
1. Remove the climate control unit with the connector connected..
2. Switch the ignition to ON.
3. Connect the negative (-) lead of the tester to body ground.
4. By inserting the positive (+) lead of the tester into each climate control
unit terminal, measure the voltage according to the ter ...
Refrigerant Pressure Sensor Removal/Installation [Manual Air Conditioner]
1. Disconnect the negative battery cable..
2. Discharge the refrigerant..
3. Disconnect the refrigerant pressure sensor connector.
CAUTION:
If moisture or foreign material enters the refrigeration cycle, cooling ability
will be lowered and abnormal noise will occur. Always immediate ...
