Mazda 3 Service Manual: Blower Motor Inspection [Full Auto Air Conditioner]
1. Connect battery positive voltage to blower motor terminal A, connect terminal B to ground, and then verify its operation.
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If there is any malfunction, replace the blower motor.
Ambient Temperature Sensor Removal/Installation [Manual Air Conditioner]
1. Disconnect the negative battery cable..
2. Remove the aerodynamic under cover No.2..
3. Remove the aerodynamic under cover No.1..
4. Disconnect the connector.
5. Remove the ambient temp ...
Blower Motor Inspection [Manual Air Conditioner]
1. Connect battery positive voltage to blower motor terminal A, connect terminal
B to ground, and then verify its operation.
If there is any malfunction, replace the blower motor.
...
Other materials:
Service Cautions
Injury/damage Prevention Precautions
Depending on the vehicle, the cooling fan may operate suddenly even when
the ignition is switched to off. Therefore, keep hands and tools away from the
cooling fan even if the cooling fan is not operating to prevent injury to personnel
or damage t ...
Overheating
If the high engine coolant temperature
warning light illuminates, the vehicle loses
power, or you hear a loud knocking or
pinging noise, the engine is probably too
hot.
WARNING
Switch the ignition to off and make
sure the fan is not running before
attempting to work near the co ...
Air Intake Actuator Inspection [Full Auto Air Conditioner]
1. Connect battery positive voltage to air intake actuator terminal B (or C),
connect terminal C (or B) to ground, and then verify that the air intake actuator
operates as shown in the table.
If the operation condition is not normal, replace the air intake actuator.
...
