Washer Fluid-Level Sensor Inspection

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the front bumper. (See FRONT BUMPER REMOVAL .) (See FRONT BUMPER INSTALLATION .)
Disconnect the connector. (See WASHER FLUID-LEVEL SENSOR REMOVAL/INSTALLATION .)
Verify that the continuity between the washer fluid-level sensor terminals is as indicated in the table.

Fig 1: Checking Continuity Between Washer Fluid-Level Sensor Terminals

Courtesy of MAZDA MOTORS CORP.

Fig 2: Washer Fluid-Level Sensor Terminals

Courtesy of MAZDA MOTORS CORP.

If not as indicated in the table, replace the washer fluid-level sensor. (See WASHER FLUID-LEVEL SENSOR REMOVAL/INSTALLATION .)