Water Temperature Sensor Inspection
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
- Measure the temperature around the water temperature sensor.
- Measure the resistance between terminals of the water temperature sensor.
- If the resistance is not as shown in the graph, replace the water temperature sensor.
Courtesy of MAZDA MOTORS CORP.