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: Warranties for Your Mazda
New Vehicle Limited Warranty
Powertrain Limited Warranty
Safety Restraint System Limited Warranty
Anti-perforation Limited Warranty
Federal Emission Control Warranty/California Emission Control Warranty
Emission Defect Warranty
Emission Performance Warranty
Emission Control Warranty ...
Mazda 6 Service Manual: Front brake (disc) removal/installation
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
3. After installation, depress the pedal a few times, rotate the wheel by
hand, and verify that the brake does not drag.
Disc Plate Removal Note
Mark the wheel hub bolt and disc plate before removal ...