General Information

Air Conditioner
B1283 Direction Potentiometer Open (Low) - AUTO Defog - General Information

Component Location





General Description

The Auto defogger sensor is installed on front window glass. For safety driving, The Auto defogger sensor judges and sends signal of the occurance of moisture in advance of blowing out the wind for defogging with improvement of visibility and comfort.
While controlling the temperature and Mode (direction of wind) set by driver, if the humidity is higher than certain level, Air conditioner control Module automatically controls auto defogging mode. Air conditioner control module changes to go back to the previous driver set mode, if the humidity is decreased.
The Air conditioner control Module automatically controls Intake actuator, A/C, Defogger actuator, Blower motor rpm, Mode actuator in accordance with the amount of humidity on the front glass.

DTC Description

DTC B1281 sets if the Auto defogger Mode Actuator Sensor signal is at or below 0.1 V for 0.3 seconds.

DTC Detecting Condition





Specification

** Voltage output according to Actuator position






Diagnostic Circuit Diagram