车身控制模块手刹信号丢失故障分析  

Fault Analysis for the Loss of Handbrake Signal in the BCM

作　　者：姚金平[1] YAO Jinping(Jiangling Motors Co.,Ltd.,Nanchang 330200,China)

机构地区：[1]江铃汽车股份有限公司,江西南昌330200

出　　处：《汽车电器》2024年第11期105-107,共3页Auto Electric Parts

摘　　要：文章针对车辆拉手刹后熄火,再次发动时不显示驻车制动灯的问题,对故障件进行深入测试,从理论分析和实际测试两方面分析出组合仪表无法显示驻车制动灯的主要原因,并为此问题提供软件解决方案。最后经过大量实车测试验证发现,更改手刹CAN信号处理方式能够有效解决这一难题。This article referring to the problem that the combined instrument can’t display the parking brake light,when pulling the handbrake before turning off then start again,we have conducted extensive tests to its fault.We summarized the main reasons from two aspects,which is theoretical analysis and practical tests.And we proposed a software programme to solve this problem.In the end,the real vehicle test proved that the change the handbrake CAN signal processing method can solve this problem.

关 键 词：车身控制模块 CAN信号 软件更新 

分 类 号：U463.6[机械工程—车辆工程]