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Passenger Compartment Temperature Sensor Inspection (Auto A/C)

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  2. Remove the following parts:
    1. Glove compartment (See GLOVE COMPARTMENT REMOVAL/INSTALLATION .)
    2. Decoration panel (See DECORATION PANEL REMOVAL/INSTALLATION .)
    3. Upper panel (See UPPER PANEL REMOVAL .) (See UPPER PANEL INSTALLATION .)
    4. Rear console (See REAR CONSOLE REMOVAL/INSTALLATION .)
    5. Selector lever knob (ATX) (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .)
    6. Shift lever knob (MTX) (See MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION [C66M-R] .)
    7. Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION .)
    8. Front console box (See FRONT CONSOLE BOX REMOVAL/INSTALLATION .)
    9. Side wall (See SIDE WALL REMOVAL/INSTALLATION .)
    10. CD player (with CD player) (See CD PLAYER REMOVAL .) (See CD PLAYER INSTALLATION .)
    11. Front console (See FRONT CONSOLE REMOVAL/INSTALLATION .)
    12. Front scuff plate (driver-side) (See FRONT SCUFF PLATE REMOVAL/INSTALLATION .)
    13. Front side trim (driver-side) (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
    14. Fuel filer lid opener lever (See FUEL-FILLER LID OPENER AND LEVER REMOVAL/INSTALLATION .)
    15. Hood release lever (See HOOD RELEASE LEVER AND RELEASE CABLE REMOVAL/INSTALLATION .)
    16. Lower panel (driver-side) (See LOWER PANEL REMOVAL/INSTALLATION .)
  3. Remove the passenger compartment temperature sensor. (See PASSENGER COMPARTMENT TEMPERATURE SENSOR REMOVAL/INSTALLATION (AUTO A/C) .)
  4. Measure the temperature around the passenger compartment temperature sensor and measure the resistance between passenger compartment temperature sensor terminals A and B.
Fig 1: Locating Passenger Compartment Temperature Sensor Connector
G11276310Courtesy of MAZDA MOTORS CORP.
Fig 2: Passenger Compartment Temperature Sensor Resistance Graph
G09075850Courtesy of MAZDA MOTORS CORP.