帕薩特n75中控按鍵的作用是什么

　　【太平洋汽車網(wǎng)】帕薩特n75中控按鍵的作用是實現(xiàn)離散的控制功能，對眾多用電器進(jìn)行控制，主要控制汽車車身用電器，如燈具、雨刮、門鎖、電動窗、天窗等，就是這些用電器的開關(guān)信號輸入給bcm，bcm直接或通過繼電器控制相應(yīng)電器工作。

　　帕薩特1.8T電控發(fā)動機故障診斷與檢修摘 要：電子技術(shù)的飛速發(fā)展和汽車相關(guān)法規(guī)的建立，促進(jìn)了汽車控制技術(shù)的形成與發(fā)展，作為汽車重要組成部分的發(fā)動機已進(jìn)入了電子控制化的時代。汽車發(fā)動機電控技術(shù)在給發(fā)動機帶來了控制精確性、系統(tǒng)的穩(wěn)定性、燃油消耗的經(jīng)濟性和排放的環(huán)保性等優(yōu)點的同時，也給發(fā)動機故障檢測診斷帶來了困難。本文就是針對這一問題深入研究了帕薩特1.8T電控發(fā)動機故障診斷與檢修。

　　本文闡述了帕薩特1.8T電控發(fā)動機控制系統(tǒng)的基本組成和工作原理，分析了帕薩特1.8T電控發(fā)動機電子控制系統(tǒng)出現(xiàn)故障以后，如何利用人工和各種儀器對其進(jìn)行檢測診斷。重點研究了帕薩特1.8T電控發(fā)動機各種常見故障（發(fā)動機不能起動、發(fā)動機起動困難、怠速不良、加速不良、點火不正常）的故障現(xiàn)象、故障原因、故障的診斷排除方法。關(guān)鍵詞：帕薩特1.8T 電控發(fā)動機 故障診斷Title：Passat 1.8 T electronic-controlled engine fault diagnosis and maintenanceAbstract：The rapid development of electronic technology and the establishment of the relevant laws and regulations， promote the formation and development of the auto control technology， as an important part of automobile engine has entered the era of electronic control. Automobile engine electronic control technology in brought engine control accuracy and the stability of the system， the consumption of fuel economy and emissions of the advantages of the environmental protection at the same time， also brought difficult to diagnosis of engine fault detection. This article is aimed at this problem deeply studied the passat 1.8 T electronic-controlled engine fault diagnosis and maintenance. This article expounds the passat 1.8 T of electronically controlled engine control system basic composition and working principle， analyses the passat 1.8 T electronic-controlled engine electronic control system after a failure， how to make use of artificial and all kinds of instrument to detect the diagnosis. Passat 1.8 T electronic control engine is mainly studied various common faults （engine not starting， engine starting difficulty， idle speed， acceleration， the ignition abnormal） the failure phenomenon， failure reason and fault diagnosis method. Keywords：Passat 1.8T electronic controlled engine fault diagnosis目 錄TOC \o "1-3" \h \u Word 找不到您目錄中的任何項。

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