2013 Mazda MX-5 Miata Grand Touring, Automatic TransFACTORY OEM SERVICE PROCEDURE

Security Light

  1. Turn the ignition switch to the ON position.
  2. Verify the security light state.
    • If there is any malfunction:
      • After any malfunction is detected, the security light will function as follows for approx. 1 min. 
        • DTC 16 and lower: Flashes
        • DTC 21 and higher: Illuminated
    • If there is no malfunction:
      • The security light illuminates for approx. 3 s  and goes out.
  3. When any malfunction has been detected, read DTCs via flashing patterns displayed after the security light flashes or is illuminated for approx. 1 min. 
    • Perform troubleshooting according to the corresponding DTC inspection.
    NOTE:
    • A verified DTC is flashed 10 times repeatedly by the security light.
    • If multiple DTCs are verified, the security light displays only the smallest DTC.
Factory Service Tools

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When to See a Mechanic

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

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

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