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故障现象一辆2007年产雷克萨斯ES350车,搭载2GR-FE发动机,累计行驶里程约为29万km。车主反映,起动发动机后,若立刻操作空调面板上的按钮,无任何反应,必须等待约2 min,空调面板才能正常工作。故障诊断接车后试车,起动发动机,发现空调面板上的AUTO指示灯和前风窗玻璃除雾指示灯持续闪烁,操作空调面板上的按钮,均无反应;等待约2 min,AUTO指示灯和前风窗玻璃除雾指示灯熄灭,此时空调面板恢复正常工作。进一步试车
Symptom A 2007 Lexus ES350 car, equipped with 2GR-FE engine, the cumulative mileage of about 290,000 km. Owners reflect, starting the engine, if immediately operate the button on the air conditioning panel, without any response, you must wait for about 2 min, air conditioning panel to work properly. Troubleshooting After taking the car to test the car, start the engine and found that the AUTO indicator on the front of the air conditioner panel and the defogging indicator of the windshield continue to flash, the operation of the buttons on the air conditioner panel, no response; wait for about 2 min, AUTO indicator and The front windshield defogger light goes out, then the air conditioning panel to resume normal work. Further test drive