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1故障现象一辆荣威550S轿车,采用手动空调系统,在点火开关断开的情况下依然能够接通空调。2故障诊断对该车空调故障进行验证,故障现象属实,并发现:在点火开关断开并
1 failure phenomenon A Roewe 550S sedan, the use of manual air-conditioning system, the ignition switch is still connected to the air conditioners. 2 fault diagnosis of the car air-conditioning failure to verify the fault phenomenon is true and found that: the ignition switch is turned off and