Passenger Compartment Temperature Sensor Inspection (Auto A/C)

1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
2. Remove the following parts:
   1. Driver-side front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION .)
   2. Driver-side front side trim (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
   3. Driver-side decoration panel (See DECORATION PANEL REMOVAL/INSTALLATION .)
   4. Hood release lever (See HOOD RELEASE LEVER AND RELEASE CABLE REMOVAL/INSTALLATION .)
   5. Fuel filer lid opener lever (See FUEL-FILLER LID OPENER AND LEVER REMOVAL/INSTALLATION .)
   6. Driver-side lower panel (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: Passenger Compartment Temperature Sensor Connector Terminals

Courtesy of MAZDA MOTORS CORP.

• If the characteristics of the passenger compartment temperature sensor are not as shown in the graph, replace the passenger compartment temperature sensor.

Fig 2: Passenger Compartment Temperature Sensor Temperature Graph

Courtesy of MAZDA MOTORS CORP.