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B1411 Toyota Code - Room Temperature Sensor Circuit

- Code Popularity: 11,877 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1411 Toyota?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Cooler Thermistor (Room Temperature Sensor)
  • Room Temperature Sensor harness is open or shorted
  • Room Temperature Sensor circuit poor electrical connection
  • Faulty Air Conditioning Amplifier Assembly
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How to Fix the DTC B1411 Toyota?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1411 Toyota code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code B1411 Toyota Description

The Cooler Thermistor (Room Temperature Sensor) is installed in the instrument panel to detect the cabin temperature which is used to control the heater and air conditioning system AUTO mode. The resistance of the Cooler Thermistor (Room Temperature Sensor) Thermistor changes in accordance with the cabin temperature. As the temperature decreases, the resistance increases. As the temperature increases, the resistance decreases.
The Air Conditioning Amplifier Assembly applies a voltage (5 V) to the Cooler Thermistor (Room Temperature Sensor) and reads voltage changes due to changes in the resistance of the Cooler Thermistor (Room Temperature Sensor).
The Diagnostic Trouble Code (DTC) will be set when the Air Conditioning Amplifier Assembly detects an open or short in the Cooler Thermistor (Room Temperature Sensor) circuit.

OBDII Code B1411 Toyota - Room Temperature Sensor Circuit - AutoCodes.com
B1411 Toyota Code - Room Temperature Sensor Circuit

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