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故障现象一辆装用2JZGE型发动机的日本丰田皇冠3.0乘用车,在其发动机起动后按下空调开关,空调压缩机电磁离合器不吸合。故障分析该车空调压缩机电磁离合器的控制电路如图1所示。空调压缩机电磁离合器的工作条件如下。
Symptoms A Toyota Corolla 3.0 passenger car fitted with a 2JZGE engine, with the air conditioner switch pressed after the engine has started, does not pull the air conditioner compressor electromagnetic clutch. Fault Analysis The car air conditioner compressor electromagnetic clutch control circuit shown in Figure 1. Air conditioning compressor electromagnetic clutch operating conditions are as follows.