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Home >> Lexus >> 2004 >> IS 300 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Air Conditioning System (Diagnosis)) >> Circuit Inspection >> DTC B1411 Room Temperature Sensor Circuit >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

This sensor detects the temperature inside the cabin and sends the appropriate signals to the A/C amplifier.

DTC - B1411 TROUBLE DETECTION

DTC No. Detection Item Trouble Area
B1411 Open or short in room temperature sensor circuit.
  • Room temperature sensor.
  • Harness or connector between room temperature sensor and A/C amplifier.
  • A/C amplifier.
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