當液壓油溫度傳感器連接線路發生斷、短路故障時,控制單元將無法獲得液壓油溫度信息控制自動變速器換擋,使控制系統出現故障。當故障指示燈點亮時,通過人工方法或使用專用儀表(器)可以讀取故障碼。變速器油溫度傳感器的檢測方法與前面所介紹的幾種溫度傳感器相似。
具體的檢(jian)測方法如下。
(1) 直觀檢查(cha)檢查(cha)變速(su)器油溫度(du)傳感器連接器有無(wu)松動,線路有無(wu)破損或(huo)燒焦等,若有,則(ze)應予以(yi)修復。
(2) 檢(jian)測(ce)變(bian)速(su)器(qi)(qi)油溫度(du)傳感(gan)器(qi)(qi)的(de)電(dian)(dian)源(yuan)電(dian)(dian)壓(ya)(ya)拔下變(bian)速(su)器(qi)(qi)油溫度(du)傳感(gan)器(qi)(qi)連(lian)接器(qi)(qi),測(ce)量變(bian)速(su)器(qi)(qi)油溫度(du)傳感(gan)器(qi)(qi)插(cha)頭(線(xian)束側)電(dian)(dian)源(yuan)端子與搭(da)鐵之間(jian)(jian)的(de)電(dian)(dian)壓(ya)(ya),應為5V左(zuo)右(you)。 如果 電(dian)(dian)壓(ya)(ya)低或無(wu)電(dian)(dian)壓(ya)(ya),則檢(jian)修變(bian)速(su)器(qi)(qi)油溫度(du)傳感(gan)器(qi)(qi)與ECU之間(jian)(jian)的(de)線(xian)路,若線(xian)路良(liang)好,則需 更(geng)換ECU。
(3) 檢(jian)測變速(su)器(qi)油溫(wen)度傳(chuan)感(gan)(gan)器(qi)的(de)(de)電(dian)阻拔下變速(su)器(qi)油溫(wen)度傳(chuan)感(gan)(gan)器(qi)連接器(qi)后,可拆下傳(chuan)感(gan)(gan) 器(qi),放在有水(shui)的(de)(de)熱杯中,加熱杯中的(de)(de)水(shui),測量各種不同溫(wen)度下的(de)(de)電(dian)阻值(zhi), 若檢(jian)測的(de)(de)電(dian)阻值(zhi)與標準值(zhi)相(xiang)差較大,則應(ying)更(geng)換液壓油溫(wen)度傳(chuan)感(gan)(gan)器(qi)。
(4) 檢測變速(su)器(qi)(qi)(qi)(qi)(qi)(qi)油(you)溫(wen)(wen)度(du)(du)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)的信號(hao)電(dian)壓(ya)需要時,還(huan)可進行變速(su)器(qi)(qi)(qi)(qi)(qi)(qi)油(you)溫(wen)(wen)度(du)(du)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)信號(hao) 電(dian)壓(ya)的檢測。接(jie)好(hao)變速(su)器(qi)(qi)(qi)(qi)(qi)(qi)油(you)溫(wen)(wen)度(du)(du)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)連接(jie)器(qi)(qi)(qi)(qi)(qi)(qi)后(hou),用(yong)直流(liu)電(dian)壓(ya)表(biao)測量變速(su)器(qi)(qi)(qi)(qi)(qi)(qi)油(you)溫(wen)(wen)度(du)(du)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)兩 端子(zi),或ECU的變速(su)器(qi)(qi)(qi)(qi)(qi)(qi)油(you)溫(wen)(wen)度(du)(du)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)信號(hao)輸入端子(zi)的電(dian)壓(ya),檢查在不同(tong)溫(wen)(wen)度(du)(du)下的變速(su)器(qi)(qi)(qi)(qi)(qi)(qi)油(you) 溫(wen)(wen)度(du)(du)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)信號(hao)電(dian)壓(ya)是否在規定的范圍之內。幫(bang)手汽(qi)配平臺提(ti)供各個車(che)型變速(su)器(qi)(qi)(qi)(qi)(qi)(qi)油(you)溫(wen)(wen)度(du)(du)傳(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)原車(che)配件的訂購服務
320Li M運(yun)(yun)動(dong)套裝(zhuang)(zhuang) 車型(xing)指導(dao)價(jia): 0-100公(gong)(gong)(gong)里(li)/小時 9.1 秒(miao) 綜合耗油量2 6.1 升/100公(gong)(gong)(gong)里(li) 325Li M運(yun)(yun)動(dong)套裝(zhuang)(zhuang) 車型(xing)指導(dao)價(jia): 0-100公(gong)(gong)(gong)里(li)/小時 8.1 秒(miao) 綜合耗油量2 6.1 升/100公(gong)(gong)(gong)里(li)
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