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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Manual A/C-Heater Systems - HVAC) >> Component Tests >> THERMOSENSOR Inspection >> To Determine If The Sensor Is Functioning

To Determine If The Sensor Is Functioning

WARNING: This page is about a different car, the 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start the engine.
  2. Turn the A/C switch on.
  3. Turn the front fan switch on.
  4. Connect the positive (+) and negative (-) probes of the voltmeter to terminal A and terminal C of the thermosensor respectively. (The wiring harness connector must be connected to the thermosensor connector.)
  5. Inspect the voltage as shown below.
    • If not as specified, inspect on/off points of the thermosensor.
Fig 1: Thermosensor Voltage Check
G01197686Courtesy of MAZDA MOTORS CORP.
Fig 2: Identifying Thermosensor Terminals
G01197687Courtesy of MAZDA MOTORS CORP.
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