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Seat Warmer Unit Inspection

WARNING: This page is about a different car, the 2004 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the front seat. (See FRONT SEAT REMOVAL/INSTALLATION  .)
  2. Remove the seat cushion trim.
  3. While inspecting for continuity between the connector terminals A and B, use a dryer to warm the thermostat of the seat warmer unit on seat cushion.
    Fig 1: Warming Thermostat Of Seat Warmer Unit
    G03161892Courtesy of MAZDA MOTORS CORP.
  4. When the ohmmeter indicates that there is no continuity, turn off the dryer, then use a thermometer to measure the temperature of the thermostat.
    Fig 2: Measuring Temperature Of Thermostat
    G03161893Courtesy of MAZDA MOTORS CORP.
  5. Verify that the temperature is approximately 37 °C {99 °F}  .
  6. Using an ohmmeter, verify that there is continuity between the seat warmer unit connector terminals when temperature drops to approximately 28 °C { 82 °F}  .
Fig 3: Inspecting Continuity Between Seat Warmer Unit Connector Terminals
G03161894Courtesy of MAZDA MOTORS CORP.
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