The Duct Sensor has a function to measure the temperature of HAVC. The Air conditioner Control Module gets the feedback from it and uses to make a temperature control promptly and accurately.
The Air conditioner Control Module sets DTC B1286 if Duct sensor(Vent) has been detected below 0.1V for 0.3 seconds.
Item
Detecting Condition
DTC Strategy
Voltage check
Short in signal circuit
Faulty Duct Sensor
Faulty A/C control Module
Enable Conditions
IG KEY ON
Threshold value
Duct sensor has been dtected 0.1V for 0.3 seconds.
Failsafe
-
? Resistance value of sensor as a function of temperature.
Temperature(?/?)
Resistance(?)
-40/-40
101
25/77
3
-20/-4
28
85/185
0.3
0/32
9.7