General Information
Air Conditioner
B1284 Direction Potentiometer Short (High) - Auto Defog - General Information
Component Location
General Description
The Auto Defogger sensor is installed on front window glass. The Auto Defogger sensor senses any moisture on the interior of the windshield.While controlling the temperature and Mode(direction of air) set by driver, if the humidity is higher than certain level, the Air condtioner control Module automatically controls auto defogging mode. Air conditioner control module exits auto defogging when the humidity is decreased.
DTC Description
The Air conditioner Control Module sets DTC B1284 if The signal from auto defogger mode actuator has been detected 4.9V for 0.3 seconds.
DTC Detecting Condition
Specification
** Voltage output according to Actuator position
Diagnostic Circuit Diagram