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故障现象一辆2009年产的丰田雅力士车,搭载1ZR-FE发动机,累计行驶里程约为8万km,出现空调鼓风机不工作的故障。故障诊断接车后试车,将电源模式切换至IG ON状态,旋转鼓风机开关至任一挡位,鼓风机均不工作,此时按下A/C开关,A/C开关指示灯点亮,异常,正常情况下,鼓风机工作后A/C开关指示灯才会点亮。用故障检测仪检查,空调系统中无故障代码存储。分析该车鼓风机控制电路(图1)可知,接通鼓风机
Trouble A Toyota Yaris car produced in 2009, equipped with 1ZR-FE engine, a total mileage of about 80,000 km, air conditioner blower does not work failure. Troubleshooting After the test car is connected to the vehicle and the power mode is switched to the IG ON state, rotate the blower switch to either position and the blower will not work. Pressing the A / C switch, the A / C switch indicator lights, Under normal circumstances, the blower work A / C switch indicator will light. Check with the fault detector, air-conditioning system fault-free code storage. Analysis of the car blower control circuit (Figure 1) shows, turn on the blower