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汽车空调系统的故障有三类:电路故障,机械故障,制冷剂或冷冻机油失常。电路故障,一般是在机械部分无故障和制冷剂、冷冻机油正常的前提下进行判断和排除的。无论是对于进口汽车还是国产汽车,维修人员只要掌握了空调电路的工作原理,就可以根据空调电路原理图来排除电路故障。本文以桑塔纳轿车空调电路为例予以说明。桑塔纳轿车空调的基本工作条件是环境温度高于10℃。这时,位于新鲜空气入口处的环境温度开关(F_(38))接通(图1),制冷系统能够工
There are three types of car air conditioning system failure: circuit failure, mechanical failure, refrigerant or refrigerant oil disorders. Circuit failure, usually in the mechanical part of the fault-free and refrigerant, freezer oil to determine the normal and the premise of the ruled out. Whether it is for imported cars or domestic cars, maintenance personnel as long as the mastery of the working principle of air conditioning circuits, air conditioning circuit schematics can be based on the exclusion of circuit failure. In this paper, Santana air conditioning circuit as an example to illustrate. Santana car air conditioning basic working conditions is the ambient temperature is higher than 10 ℃. At this point, the ambient air temperature switch (F_ (38)) at the fresh air inlet is on (Figure 1) and the cooling system is able to work