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

DTC B1238 sets if Ambient Temperature sensor signal is at or over 4.9 V for 0.3 seconds.

DTC Detecting Condition





Specification

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






Diagnostic Circuit Diagram