Security Light

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Security Light
WARNING: This page is about a different car, the 2008 Mazda 5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch to the ON position.
  2. Verify the security light status.
    • If a malfunction is detected, the DTC pattern begins flashing after the security light flashes or illuminates for approx. 1 min according to the DTC. However, because there are DTCs which cannot be confirmed using the security light, verify the DTCs that were detected using the M-MDS prior to beginning the servicing.
      • DTC 16 or below: Flashes for approx. 1 min  and the DTC flash pattern repeats 10 times.
      • DTC 21 or higher: illuminates for approx. 1 min  and the DTC flash pattern repeats 10 times.
      • If more than one DTC is detected, only the DTC with the lowest number is displayed.
    • If there is no malfunction, the security light illuminates for approx. 3 s  , and then turns off.
    NOTE:
    • The service code flashing pattern repeats 10 times.
    • If more than one DTC is detected, only the DTC with the lowest number is displayed.
  3. If there is a malfunction, verify the DTCs using the M-MDS. When several DTCs are detected, repair the malfunctioning location based on the DTC displayed by the security light.
    NOTE:
    • Because of the possibility that one malfunction cause could result in several DTCs being detected, erase the DTCs after the repair is completed, and then re-inspect the DTCs.
  4. After completion of repairs, clear all DTCs stored in the Instrument cluster. (See CLEARING DTC [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)] .)
RENDER: 1.0x

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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.