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車身控制模塊手剎信號丟失故障分析

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【摘  要】文章針對車輛拉手剎后熄火,再次發(fā)動(dòng)時(shí)不顯示駐車制動(dòng)燈的問題,對故障件進(jìn)行深入測試,從理論分析和實(shí)際測試兩方面分析出組合儀表無法顯示駐車制動(dòng)燈的主要原因,并為此問題提供軟件解決方案。最后經(jīng)過大量實(shí)車測試驗(yàn)證發(fā)現(xiàn),更改手剎CAN信號處理方式能夠有效解決這一難題。

【關(guān)鍵詞】車身控制模塊;CAN信號;軟件更新

中圖分類號:U463.6    文獻(xiàn)標(biāo)識碼:B    文章編號:1003-8639( 2024 )11-0105-03

Fault Analysis for the Loss of Handbrake Signal in the BCM

【Abstract】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.

【Key words】BCM;CAN signal;software update

車輛車身控制模塊BCM(Body Control Module)的內(nèi)部電路控制復(fù)雜且市場索賠率比較高,大多數(shù)的車身控制模塊故障件返回之后故障很難再現(xiàn),造成査找原因困難、分析過程耗時(shí)長等問題。(剩余3914字)

目錄
monitor