General Information
Air Conditioner
B1234 In-Car Temperature Sensor Open (High) - General Information
Component Location
General Description
The In-Car Sensor contains a thermistor which measures the temperature of the vehicle's interior. The signal is used by the HVAC control unit when controling AC functions.
DTC Description
DTC B1234 sets if In-Car temperature sensor signal is at or over 4.9V for 0.3 seconds.
DTC Detecting Condition
Specification
** Resistance value of incar temp sensor as a function of temperature.
Diagnostic Circuit Diagram