Evaporator Temperature Sensor Inspection [L3 With TC]

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Evaporator Temperature Sensor Inspection [L3 With TC]
WARNING: This page is about a different car, the 2007 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the AUTO switch on.
  2. Set the temperature control at MAX COLD (Turn the left).
  3. Turn the A/C switch.
  4. Set the RECIRCULATE mode.
  5. Close all doors and windows.
  6. Wait for 5 minΒ  .
  7. Remove the glove compartment. See GLOVE COMPARTMENT REMOVAL/INSTALLATION.
  8. Disconnect the evaporator temperature sensor.
  9. Measure the temperature at the blower inlet.
  10. Measure the resistance between terminals of the evaporator temperature sensor.
    • If the resistance is not as shown in the graph, replace the evaporator temperature sensor.
      Fig 1: Evaporator Temperature Sensor Resistance Graph (L3 With TC)
      G04326805Courtesy of MAZDA MOTORS CORP.
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:

  • 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.