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.
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3. Verify that the resistance between the terminals of the air mix actuator are as shown in the graph.

Air mix actuator removal/installation
Airflow mode actuator removal/installationMazda 6 Service Manual: Rear Window Defogger
The rear window defogger clears fog from the rear window.
The ignition must be switched ON to use the defogger.
Press the switch to turn on the rear window defogger. The rear window defogger
operates for about 15 minutes and then turns off automatically.
The indicator light illuminates when the ...
Mazda 6 Service Manual: Knock sensor inspection
Note
Perform the following test only when directed.
Resistance Inspection
1. Turn the ignition switch to LOCK.
2. Disconnect the knock sensor connector.
3. Measure the resistance between the knock sensor terminals A and B using an
ohmmeter.
If not as specified, replace the knock sens ...