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:
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 ...
Crankshaft Position (CKP) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Visual Inspection
CAUTION:
When foreign material such as an iron chip is on the CKP sensor, it can cause
abnormal output from the sensor because of flux turbulence and adversely affect
the engine control. Be sure there is no foreign material on the CKP sensor when
replacing.
...
Rear ABS Wheel Speed Sensor Inspection
Installation Visual Inspection
1. Inspect for the following:
If there is any malfunction, replace the part.
a. Excessive looseness or play of the rear ABS wheel-speed sensor
b. Deformation of the rear ABS wheel-speed sensor
c. Deformation or damage of the rear ABS sensor rotor
C ...