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    奔馳E200轎車冷車啟動困難與哪些因素有關

    來源:http://www.philiprobert.com發布時間:2017-10-30 14:27:46

    經查電路()發現B6/15進氣凸輪軸位置傳感器由87回路(Z7/35z1)供電,通過插頭Z6/8接地,監測到的進氣凸輪軸的位置信號直接通過導線傳遞至N3/10發動機控制單元,結合故障碼分析可能的故障原因為:B6/15故障;B6/15至N3/10的信號線故障;N3/10故障。
    The investigation found that B6/15 (circuit) intake camshaft position sensor consists of 87 loops (Z7/35z1) power supply, through the grounding plug Z6/8, the intake camshaft position signal detected directly through the wire transfer to N3/10 engine control unit, combined with the analysis of possible fault fault code for B6/15 fault; fault signal line B6/15 to N3/10 N3/10; fault.
    經檢查N3/10與B6/15之間線路,發現皆無斷路或對電源和搭鐵短路現象,通過與同款正常的車輛對調B6/15進氣凸輪軸位置傳感器,故障依舊。只剩下N3/10沒有檢查了,經檢查N3/10搭鐵和電源線路均正常,一般N3/10發動機控制單元損壞的概率非常小,且較為昂貴,又是防盜原件,無法單獨與其他車輛對調進一步確定故障,需要連同其他防盜件一整套對調,州乍量極大,因此暫時不予考慮。
    The line between N3/10 and B6/15, found no circuit or the power supply and grounding short-circuit phenomenon, with the same paragraph on B6/15 normal vehicle intake camshaft position sensor, the fault is still. Only N3/10 did not check, after checking the N3/10 ground and power lines were normal, the general N3/10 engine control unit damage probability is very small, and more expensive, and is unable to separate the original anti-theft, and other vehicles on the need to further determine the fault, along with other anti-theft piece set on, suddenly a great quantity of state, thus temporarily not consider.
    經仔細分析故障碼P034062,需要注意的是B6/15監測進氣凸輪軸調節器的正時運轉位置,而調節器的正時會影響啟動,另外調節器是機械部件,凸輪軸位置傳感器只能監測其運轉位置,監測不到其是否有故障。
    After careful analysis of the fault code P034062, the need to pay attention to is the monitoring of B6/15 intake camshaft adjuster timing operation position, and the regulator is influenced when starting, another regulator is the mechanical components, the camshaft position sensor can monitor the running position, if it is not detected a fault.
    凸輪軸電磁閥由發動機控制單元促動,然后推動控制柱塞,這樣來自凸輪軸空腔內的機油壓力進入與凸輪軸相連接的葉片型調節器,并推動調節器旋轉,從而實現凸輪軸調節。

    濟南大眾汽車專修
    The camshaft valve actuated by the engine control unit, then push the control piston, so from the cam shaft cavity of the oil pressure into the blade is connected with the camshaft adjuster, and boost regulator rotation, so as to realize the camshaft adjustment.
    如果凸輪軸調節器損壞會直接影響點火正時,結合發動機氣門室蓋前部有“咔咔咔”異響,判斷故障點在進氣調節器處,于是拆下氣門室蓋,然后用工具轉動曲軸到正時位置,檢查進排氣凸輪軸調節器的正時位置,結果發現進氣凸輪軸調節器的正時位置明顯偏離標準位置如圖4所示,于是更換了新的調節器和相關密封件(如氣門室蓋墊),然后冷車啟動反復測試若干次,故障現象均未再現,故障徹底排除。
    If the camshaft adjuster damage will directly affect the ignition timing, combined with the engine valve cover front "kakaka" noise, judge the fault regulator in the intake, then remove the valve cover, and then use the tool to rotate the crankshaft timing position, check the exhaust camshaft adjuster timing the location, found that the inlet camshaft adjuster timing position significantly deviated from the standard position as shown in Figure 4, then replace the regulator and new seal (such as valve cover gasket), then the cold start test repeated several times, the fault phenomena were not reproduced, fault completely ruled out.
    維修小結:凸輪軸位置傳感器監測的是凸輪軸調節器實際位置信號,然后傳遞給發動機控制單元,而由于調節器故障,導致凸輪軸正時位置發生變化且超出正常范圍,因此發動機控制單元分析出凸輪軸位置傳感器信號是錯誤的,并因此產生相關故障碼和點亮故障指示燈,其實傳感器并無故障,但由于調節器是機械部件,其作為故障原因的可能容易被忽視,這樣在診斷期間,容易使維修人員的思維局限在傳感器和發動機控制單元兩者之間。
    Summary: the maintenance of the camshaft position sensor to monitor the camshaft adjuster actual position signal, and then transmitted to the engine control unit, and the regulator failure, causing the camshaft timing position changes and beyond the normal range, so the engine control unit of the camshaft position sensor signal is wrong, and as a result of failure code and light fault indicator, in fact, there is no fault sensor, but the regulator is mechanical components, which may be the cause of the fault is easy to be ignored, so that at the time of diagnosis, easy to maintenance personnel thinking in the sensor and the engine control unit between the two.
    發動機排出廢氣和吸入新鮮空氣或可燃混合汽的過程可以形象比喻為發動機的呼吸。根據發動機不同負荷工況,智能化控制發動機呼吸時刻這就是可變氣門正時系統(VVT-i)。凸輪軸調節器是執行可變氣門正時相位調整的主要部件。其中凸輪軸調節器有一功能,當發動機停止運轉時,進氣側凸輪軸調節器會將進氣凸輪軸調整至更大延遲位置,以維持發動機的啟動性能。
    The process of engine exhaust and inhalation of fresh air or combustible mixed gas can be likened to the breathing of the engine. According to the different load conditions of the engine, the intelligent control of the engine breathing moment is the variable valve timing system (VVT-i). Camshaft adjuster is the main component to adjust the phase of variable valve timing. The camshaft adjuster has a function, when the engine stops running, the intake side camshaft regulator will adjust the intake camshaft to the maximum delay position, in order to maintain the starting performance of the engine.
    并且這時凸輪軸調節器內的鎖銷會鎖定正時鏈輪與凸輪軸,防止下次發動機啟動后,機油壓力未能立即傳送到凸輪軸調節器,使連接兩者的機械部件發生撞擊產生噪聲。分析造成本案例故障的原因,可能就是進氣凸輪軸調節器內的鎖銷功能失效所致。建議作者有條件可以拆解凸輪軸調節器探究。
    And then the camshaft adjusting device of the lock pin will lock the sprocket and camshaft, prevent the next after the engine starts, oil pressure was not immediately transferred to the camshaft adjuster, the mechanical components of the connection between the impact of noise. The reason for the failure of the manufacturing cost case may be caused by the failure of the lock pin in the intake camshaft adjuster. It is recommended that the author be able to disassemble the camshaft adjuster.
    更多的關于濟南大眾汽車專修的問題或者詳細的內容,請進入我們公司的網站:http://www.philiprobert.com網站中會有很多的內容僅供參考。
    More questions or details about Ji'nan Volkswagen, please go to our company's website: there will be a lot of content in the http://www.philiprobert.com website for reference only.

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