Connect battery positive voltage to terminal A and ground to terminal B of the blower motor and verify its operation.

Blower motor removal/installation
Resistor removal/installationMazda 6 Service Manual: Intake air temperature (iat) sensor inspection
Resistance Inspection
Note
Perform the following inspection only when directed.
1. Disconnect MAF/IAT sensor.
2. Measure the resistance between the MAF/IAT sensor terminals D and E using
an ohmmeter.
If not as specified, replace the MAF/IAT sensor.
If the MAF/IAT sensor is okay, but ...
Mazda 6 Service Manual: Sas unit removal/installation
Warning
Handling the SAS unit improperly can accidentally deploy the air
bag modules and pre-tensioner seat belt, which may seriously injure you.
Read AIR BAG SYSTEM SERVICE WARNINGS before handling the SAS unit. (See
SERVICE WARNINGS.)
Caution
When replacing the SAS unit, config ...