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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 470 (CONTROL SYSTEM (HVAC))CLIMATE CONTROL UNIT INSPECTIONSWITCH INSPECTION
2010 Mazda 5 Sport, 2.3 L, Standard

Switch Inspection

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Switch Inspection
WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
  1. After performing the on-board diagnostic test procedure, turn on the audio.
  2. Inspect according to the following table:
    SWITCH INSPECTION

    STEP INSPECTION ACTION
    1 Press each mode switch of the climate control unit. The buzzer sounds. The switch is normal.
    The buzzer does not sound. Go to the next step.
    2 Inspect the audio buttons by referring to the diagnostic assist function in the onboard diagnostic system [audio]. The buzzer sounds. Replace the climate control unit. (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION .)
    The buzzer does not sound. Replace the base unit.
  3. Disconnect the jumper wire or the similar device connected to the A/C amplifier connector (24-pin) to exit the on-board diagnostic test function.
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.