Brake Fluid Level Sensor Inspection

2013 Mazda MX-5 Miata Grand Touring, Automatic TransSECTION Brake Fluid Level Sensor Inspection
  1. Disconnect the brake fluid level sensor connector from the master cylinder.
  2. Inspect for continuity according to fluid level between the brake fluid level sensor terminals.
    • If not as indicated in the table, replace the reserve tank.
      Fig 1: Brake Fluid Level Sensor Terminal Continuity Chart
      G06151278Courtesy of MAZDA MOTORS CORP.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.