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Home >> Toyota >> 2011 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 106 (Air Conditioning System (Automatic) (Diagnostic Codes & Circuit Tests)) >> AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System) >> DTC B1411/11: Room Temperature Sensor Circuit >> Description

DTC B1411/11: Room Temperature Sensor Circuit: Description

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The room temperature sensor is installed in the instrument panel to detect the room temperature and control the heater and air conditioning AUTO mode. The resistance of the room temperature sensor changes in accordance with the room temperature. As the temperature decreases, the resistance increases. As the temperature increases, the resistance decreases.

The air conditioning amplifier applies a voltage (5 V) to the room temperature sensor and reads voltage changes as changes in the resistance of the room temperature sensor.

DTC No. DTC Detection Condition Trouble Area
B1411/11 Open or short in room temperature sensor circuit
  • Room temperature sensor (for front)
  • Wire harness between room temperature sensor and air conditioning amplifier
  • Air conditioning amplifier