General Information

Air Conditioner
B1245 Air Mix Potentiometer Open (Low)-Driver - General Information

Component Location





General Description

The air mix actuator(Temperature Actuator) is located at heater unit. It contains temp motor that changes temp door position and potentiometer that monitors position of temp door.The air mix actuator regulates the temperature by the procedure as follows. Signal from control unit adjusts position of temp door by operating temp motor and then temperature will be regulated by the hot/cold air ratio decided by position of temp door. In operation, potentiometer delivers temp door position transformed into voltage value to A/C ECU.

DTC Description

DTC B1245 sets if the Driver Air mix actuator(Temperature actuator) Sensor signal is at or below 0.1V for 0.3 seconds.

DTC Detecting Condition





Specification

** Voltage value of Air Mix potentiometer as a function of temp door position.






Diagnostic Circuit Diagram