General Information
Air Conditioner
B1237 Ambient Temperature Sensor Short (Low) - General Information
Component Location
General Description
The Ambient Temperature sensor is a negative temperature coefficient thermistor that is located at the center stay of the condenser. The Ambient Temperature Sensor signal is used by the A/C ECU when making calculations related to blower motor, temperature, and mode door calculations.
DTC Description
DTC B1237 sets if the Ambient Sensor signal is at or below 0.1V for 0.3 seconds.
DTC Detecting Condition
Specification
** Resistance value of ambient temp.sensor as a function of temperature.
Diagnostic Circuit Diagram