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DTC B1412: Ambient Temperature Sensor Circuit: Description

WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

The ambient temperature sensor is installed in front of the condenser. This sensor detects the temperature outside the cabin and sends the appropriate signals to the A/C amplifier via the CAN communication system.

DTC No. DTC Detection Condition Trouble Area
B1412 Open or short in ambient temperature sensor circuit
  • Ambient temperature sensor
  • Harness or connector between ambient temperature sensor and combination meter
  • Combination meter
  • A/C amplifier
  • CAN communication system