Diagnosis And Testing - Ambient Temperature Sensor: Notes
WARNING: This page is about a different car, the 2005 Dodge SX, 2005 Dodge SRT-4, and 2005 Dodge Neon. However, it is still accessible from the selected car via links, so may be relevant.
The ambient temperature sensor can be diagnosed using the following Sensor Test, and Sensor Circuit Test. If the temperature sensor and circuit are confirmed to be OK, but the temperature display is inoperative or incorrect, replace the compass/temperature display.