General Information

Air Conditioner
B1259 AQS Sensor Fault - General Information

Componet Location





General Description

AQS(Air Quality System) keeps air inside in the most suitable state for driver. In polluted area AQS detects hazardous gas and intercepts inflow automatically, Inversely, In fresh area it allows the inflow of air to prevent the shortage of air and the accumulation of carbon dioxide. AQS sensor is located at front side of condensor and once hazardous gas is detected, it delivers the voltage signal to ECU for closing intake door.

DTC Description

Air conditioner Control Module sets DTC B1259 if The signal of AQS sensor has not been changed since IG Key is ON.

DTC Detecting Condition





Specification

** Voltage value of AQS sensor as a function of position of operating condition.





Preheating Time : (35 ± 2 sec.)

Diagnostic Circuit Diagram