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案例1广汽丰田凯美瑞轿车冷却液泄漏故障现象一辆2012年4月产广汽丰田凯美瑞轿车(车辆型号为ACV51L-JEPSKC,发动机型号为1AZ-*******),行驶里程为13.2万km,车主反映该车行驶中仪表盘上的发动机故障灯点亮。故障诊断接车后首先验证故障现象,起动发动机,并未发现仪表盘上的发动机故障灯点亮,用IT-Ⅱ读取发动机系统的故障代码,存在历史故障码P0117(发动机冷却液温度电路低输入),并存有停帧数据(FFD,表
Case 1 GAC Toyota Camry car coolant leakage failure phenomenon A 2012 Guangzhou Automobile Toyota Camry car (vehicle model ACV51L-JEPSKC, the engine model 1AZ - *******), mileage of 132,000 km , The owner of the car reflects the dashboard driving the engine fault light on. Troubleshooting After the car was first verified the phenomenon of failure, start the engine, did not find the dashboard engine fault light lit, read the engine system with IT-Ⅱ fault code, there is a historical fault code P0117 (engine coolant temperature circuit low Input), and there are freeze frame data (FFD, table