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故障现象一辆2004年5月产长安铃木羚羊SC7130轿车(装配日本铃木1.3 L 16气门全铝电控汽油发动机和5速手动变速器),累计行驶里程约为10万km,因空调不制冷而进厂检修。故障诊断接车后,对故障现象进行了验证。将发动机起动着机,打开鼓风机开关及空调(A/C)开关,鼓风机能够正常工作,A/C开关上的绿色指示灯也能正常点亮,发动机也能自动提速;A/C开关断开后,发动机转速能够自动回到正常怠速。但出风口无冷风吹出且听不到车前方冷凝器风扇
Fault phenomenon A May 2004 production Changan Suzuki antelope SC7130 sedan (equipped with Japan’s Suzuki 1.3 L 16 valve aluminum electric gasoline engine and 5-speed manual transmission), the cumulative mileage of about 100,000 km, because the air conditioning is not cooling into the Factory maintenance. Troubleshooting After the car was taken, the phenomenon of failure was verified. Turn on the engine, turn on the blower switch and air conditioner (A / C) switch, the blower can work normally, the green indicator on the A / C switch can also be lighted normally, and the engine can also speed up automatically; the A / C switch is off After the engine speed can automatically return to normal idle speed. But the outlet is not cold and can not hear the condenser fan in front of the car