故障现象 一辆2006年产哈飞赛马HFJ7130车,搭载DA471Q发动机和手动变速器,累计行驶里程约为6.5万km。据驾驶人反映,该车空调不制冷。故障诊断 接车后首先验证故障现象。操作空调面板上的开关启用空调制冷系统,鼓风机可以正常运转,但出风口吹出的是自然风,打开发动机室盖检查,发现空调压缩机 Symptom A 2006 Hafei HFJ7130 car, equipped with DA471Q engine and manual transmission, a total mileage of about 65,000 km. According to the driver reflected that the car air conditioning is not cooling. Troubleshooting After the first car to verify the fault phenomenon. Operate the air conditioning panel on the switch to enable air conditioning and refrigeration systems, the blower can be normal operation, but the outlet is blowing the natural wind, open the engine room cover inspection and found that air-conditioning compressor