General Information
Air Conditioner
B1209 Intake Potentiometer Short (High) - General Information
Component Location
General Description
Intake door located at heater unit controls the inlet of car. It contains intake motor that changes intake door position and potentiometer that monitors position of intake door. When driver operates the intake switch, ECU receives mode signal from intake switch and operates intake door motot to turn intake door to intended position. (with FRE mode signal, intake door is closed and with REC mode signal, intake door is opened)In operation, potentiometer delivers intake door position transformed into voltage value to A/C ECU.
DTC Description
Airconditioner Control Module sets DTC B1209 if the Feed Back signal of Intake Actuator has been detected over 4.9V for 0.1 seconds.
DTC Detecting Condition
Specification
** Voltage value of Intake potentiometer as a function of position of Intake door
Diagnostic Circuit Diagram