General Information

Air Conditioner
B1238 Ambient Temperature Sensor Open (High) - General Information

Componet Location





General Description

It is a negative type thermistor whose resistance is inversely proportional to temperature. Its output is used for sensor fail-safe, temperature regulation door lock, blower motor level control, mix mode control.

DTC Description

Air conditioner Control Module sets DTC B1238 if Ambient sensor has been detected over 4.9V for 4sec.

DTC Detecting Condition





Specification

** Resistance value of incar temp sensor as a function of temperature.






Diagnostic Circuit Diagram