General Information
B1233 In-Car Temperature Sensor Short (Low)
General Information
Component Location
General Description
The In Car Temperature Sensor contains a thermistor which measures the temperature of the inside the vehicle. The signal, based on the resistance value, is delivered to the HVAC control unit. This information is used to control the vent output temperature.
DTC Description
The HVAC Control Module sets DTC B1233 if the In Car Temperature Sensor has been detected below 0.1 V for 100ms.
DTC Detecting Condition
Specification
** Resistance value of incar temp sensor as a function of temperature.
Diagnostic Circuit Diagram