Fluid Level 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.

Disconnect the negative battery cable.
Disconnect the sensor connector.
Inspect for continuity between terminals of fluid level sensor.
- If not as specified, replace the fluid level sensor.
  
  Fig 1: Fluid Level Sensor Continuity Check Table
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Identifying Fluid Level Sensor Connector Terminals
  Courtesy of MAZDA MOTORS CORP.