General Information

B1238 Ambient Temperature Sensor Open (High)

General Information

Component Location





General Description

The Ambient Temperature is a NTCT type thermistor and is use for temperature regulation including blower motor level and mix mode control.

DTC Description

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

DTC Detecting Condition





Specification

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






Diagnostic Circuit Diagram