故障现象一辆朗逸2.0轿车,装备自动变速器(无巡行功能),行驶了85 km,在上牌行驶途中发现空调不制冷,发动机故障指示灯亮,冷却液温度指示灯突闪几下后熄灭。故障诊断验证故障现象是否存在。起动发动机,冷却液温度指示灯未亮,发动机冷却液液位正常,但发动机故障指示灯常亮,空调不制冷。用 Fault phenomenon A Sunny 2.0 sedan, equipped with automatic transmission (no patrol function), driving 85 km, driving on the license plate found in the air conditioning is not cooling, the engine fault indicator light, the coolant temperature indicator flashes a few times after the light goes out. Troubleshooting Verify that the symptoms exist. Start the engine, the coolant temperature indicator is not bright, the engine coolant level is normal, but the engine fault indicator light, air conditioning is not cooling. use