新世嘉 EC5车辆定速巡航故障分析

针对在新世嘉 EC5出现定速巡航功能无法激活的批量性故障,运用 INCA、MDA等专业工具,对故障进行记录和分析。分析结果显示,由于在初始化后,CAN 网上存在误报制动踏板故障信息,使得发动机控制系统认为踏板有故障而禁止定速巡航功能启用；而 ABS 系统与整车智能控制电脑的兼容性问题,是导致CAN网上误报故障的根本原因。最后,通过完善电检过程,将故障率降低到了每天0台,问题得到有效解决。

New Sega EC5 Vehicle Cruise Control Failure Analysis

In order to solve the problem that the new sega EC5 cruise control in cruise control function can-not activate batch fault,INCA,MDA and other professional tools were used to record and analyze the fault.The analysis results show that because of the false information about brake pedal fault on the CAN net after initialization,the engine control system banned cruise control function,considering that there was a pedal fault;The compatibility problems of ABS system with the vehicle intelligent control computer was the root cause of the CAN online false information.Finally,through perfecting the electric inspection process,the failure rate was reduced to one every day at most,so that the problems were solved effectively.