皇冠3.0轿车偶尔不能起动故障的诊断与排除  

Trouble Diagnosis and Clearing of No Starting on CROWN 3.0

作　　者：雷明森 邓永生 

机构地区：[1]广州市轻工技师学院汽车工程系,广东广州510545 [2]深圳市兆方丰田汽车销售服务有限公司,广东深圳518053

出　　处：《汽车电器》2012年第9期17-20,共4页Auto Electric Parts

摘　　要：一台配备智能进入和起动系统(Smart entry and start system)的皇冠3.0汽车出现偶尔不能起动的故障,通过读取故障码和数据流、波形分析以及线路测量等方法,对起动机、P/N档位开关、收发器钥匙ECU、转向锁止ECU等进行诊断,运用专业知识,结合个人的维修经验,最终找到并排除因转向锁止执行器(带转向锁止ECU)有时发卡,智能进入和起动系统造成偶尔不能起动的故障。A CROWN 3.0 with smart entry start system can not be started sometimes. Through fault code reading, data flow and waveform analysis and line measuring, the starter, P/N gear switch, ECUs of transceiver key and steering-locking were analyzed so that the reason and resolution of no starting were found. The reason was that the steering-locking actuator stuck sometimes.

关 键 词：皇冠3.0轿车 智能起动 线路测量 数据流和波形分析 转向锁止执行器 

分 类 号：U463.46[机械工程—车辆工程]