Tips,diagnose,the,Refrigerant, car Tips to diagnose the A/C Refrigerant Pressure Sensor by OBD
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There is something wrong with your airconditioning when it is not pumping out cold air through the vents in your car.Most cars have a warning light on the instrument panel that alerts when therefrigerant level is low, while others rely on codes sent through the car'son-board diagnostic generation 2 (OBD 2) system. If your car was producedbefore 1995, then it may use R12 refrigerant, which is no longer being producednow. But, you can have a mechanic update your older A/C system so you can usean R134a recharge kit,which can be bought at any car parts supply store.You'll Need OBD 2 scanner for this job.Find out the OBD 2 port on your car first.The OBD 2 port on your car is located near the steering column, it generally willbe within 2 feet of the steering column and concealed behind a small panel thatcan be removed easily by hand. The OBD 2 port is a 16-pin connector. Every carmanufactured after 1996 is equipped with this on-board computer (OBD 2).Insert the scanner into the OBD 2 port andturn the ignition key to the "Accessories" position. Power on the OBD2 scanner on and wait it for several seconds to read the error codes from theengine control unit (ECU).Consult the error codes reported by the OBD2 scanner by using a computer with Internet access to browse a table of errorcodes. Other websites such as AutoZone also list this information in the onlinerepair guide for the make and model of your car. The OBD 2 code will showwhether the A/C refrigerant pressure sensor is faulty or the refrigerant onlyneeds recharging. If you are about to replace the sensor yourself, keeping inmind that the OBD 2 code does not necessarily indicate whether the sensor orthe circuitry is causing the error which activated the "Check Engine"light.Use a multimeter to check the terminals onthe electrical connection leading to the A/C refrigerant pressure sensor. Disconnectthe electrical connector leading to the sensor. With the ignition key turned onto the "Accessories" position, touch the probes to the terminalsleading from the car's electrical harness. If the multimeter does not registerany voltage coming from the terminals, it means your car's electrical systemneeds to be repaired, but not the sensor. If you are interested in OBD 2scanner, I am glad to communicate with you. Article Tags: Refrigerant Pressure Sensor, Refrigerant Pressure, Pressure Sensor, Error Codes
Tips,diagnose,the,Refrigerant,