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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1258 ((Heating & Air Conditioning - Electrical Diagnostics - 2500 Hd & 3500 Hd)) >> DTC Troubleshooting >> B11D5-00-A/C Cooldown Test Performance - EVAP Temp Sensor Error >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The Evaporator Temperature Sensor is a variable resistor that changes in conjunction with temperature, or otherwise known as a thermistor. The Evaporator Temperature Sensor is located in the HVAC housing downstream of the A/C evaporator. The HVAC Module monitors the evaporator temperature by monitoring the voltage change of the Evaporator Temperature Sensor Signal circuit. If the monitored voltage drops below or rises above a predetermined voltage, a Diagnostic Trouble Code (DTC) will set. For further information. Refer to SENSOR, EVAPORATOR TEMPERATURE, OPERATION .

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