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故障现象一辆行驶里程约为2.5万km的2013年产丰田卡罗拉乘用车(车型为ZRE151L-GEPNKC,搭载1.6 L 1ZRFE发动机),用户报修用遥控器无法锁止车门。故障诊断遥控门锁控制系统的功能是能远处锁止和解锁所有车门。如图1所示,该系统由车门控制发射器(遥控器)向车门控制接收器发送无线电波,车门控制接收器会向主车身ECU双向传输/认证识别代码,识别代码认证通过后,主车身ECU控制门锁工作。遥控门锁系统正常工作要满足以下条件:钥匙未插入点火锁芯,钥
Symptom A Toyota Corolla passenger car (model ZRE151L-GEPNKC with a 1.6 L 1ZRFE engine), which is about 25,000 km in mileage, can not be locked by a user with a remote control. Troubleshooting Remote Keyless Entry The control system’s function is to remotely lock and unlock all doors. As shown in Figure 1, the system sends radio waves to the door control receiver by the door control transmitter (remote control). The door control receiver transmits / authenticates the identification code to the main body ECU bidirectionally. After the identification code is approved, the main body ECU control door lock work. Remote control door lock system to work properly to meet the following conditions: The key is not inserted into the ignition cylinder, key