1. Measure the temperature around the water temperature sensor.
2. Measure the resistance between terminals of the water temperature sensor.

Water temperature sensor removal/installation
Refrigerant pressure switch removal/installationMazda 6 Service Manual: Wiper Blades
CAUTION
Hot waxes applied by automatic car washers have been known to affect
the wiper's ability to clean windows.
To prevent damage to the wiper blades, do not use gasoline, kerosene,
paint thinner, or other solvents on or near them.
When the wiper lever is in the AUTO position and th ...
Mazda 6 Service Manual: Windshield wiper motor inspection
L.H.D.
1. Disconnect the windshield wiper motor connector.
2. Connect battery positive voltage to terminal E or D and ground to terminal
B, and inspect the operation of the windshield wiper motor as indicated below.
3. Disconnect battery positive voltage from terminal E of the motor while t ...