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Home >> Mazda >> 2011 >> 2 Touring, 1.5 Y, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 526 (Control System (HVAC)) >> THERMOSWITCH Inspection >> To Determine if The Switch is Functioning
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To Determine if The Switch is Functioning

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the glove compartment.
  2. Start the engine.
  3. Turn the A/C switch on.
  4. Turn the fan switch on.
  5. Connect the positive (+) and negative (-) probes of the voltmeter to terminal A and terminal B of the thermoswitch respectively. (The wiring harness connector must be connected to the thermoswitch connector.)
  6. Inspect the voltage as shown below.
    • If not as specified, inspect on/off points of the thermoswitch.
      Fig 1: Inspecting Thermoswitch Terminal Voltage
      G03638573Courtesy of MAZDA MOTORS CORP.
      Fig 2: Inspecting Thermoswitch Terminal Connector Continuity
      G03638572Courtesy of MAZDA MOTORS CORP.
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