General Information

Air Conditioner
B1281 Humidity Sensor Short (Low) - AUTO Defog - General Information

Component Location





General Description

Auto defogger sensor is installed on front window glass. Auto defogger sensor judges and sends signal for the occurance of moisture in advance of blowing out the wind for defogging. Air conditioner control module receives signal from auto defogger and performs restraining moisture and eliminating in advance with automatically controlling Intake actuator, A/C, Defogger actuator, Blower motor rpm, Mode actuator.

DTC Description

The Air conditioner Control Module sets DTC B1281 if The signal from auto defogger sensor has been detected short to ground in ground circuit for 2 seconds.

DTC Detecting Condition





Specification

** Hz of Defogger sensor according to Humidity






Diagnostic Circuit Diagram