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互聯(lián)網(wǎng) 俠名 汽車(chē)電器維修 2017年03月02
⒈電阻的測(cè)量(萬(wàn)用表電阻檔、測(cè)量時(shí)關(guān)閉ECU電源) ⑴NE傳感器(40對(duì)41):120~125Ω ⑵PCV1,PCV2電磁閥(閥上二插腳):3.2Ω ⑶噴油器(電磁閥二插腳):0.9~1.1Ω ⑷出水溫度(155對(duì)55),進(jìn)氣溫度(32對(duì)55),回油溫度(162對(duì)55)三個(gè)傳感器的阻值相同: ⒉電壓的測(cè)量(萬(wàn)用表直流電壓檔) ⑴G傳感器(120對(duì)131腳):發(fā)動(dòng)機(jī)工作時(shí) 0.9V ⑵共軌壓力傳感器121對(duì)134):650rpm 44 Mpa 1.72V, 2370rpm 103 Mpa 2.70V ⑶加速踏板(重汽威廉姆斯):APP1(21對(duì)135):開(kāi)度0%:0.75V, 100%:3.84V APP2(22對(duì)136):開(kāi)度0%:0.375V 100%:1.92V ⑷加速踏板(徐重康希斯):APP1(21對(duì)135):開(kāi)度0%:0.85V 100%:4.15V APP2(22對(duì)136):開(kāi)度0%:0.85V 100%:4.15V ⑸PTO電位器(加速踏板)(徐重上車(chē)油門(mén)):(23對(duì)55):開(kāi)度0%:0.85V, 100%:4.15V ⑹PTO電位器(重汽用)(23對(duì)55):開(kāi)度0%:0.5V, 100%:4.5V ⑺電子式機(jī)油壓力傳感器(24對(duì)54): 0 kpa:0.5V, 500 kpa:2V,1000 kpa:4.5V ⑻進(jìn)氣壓力傳感器(128對(duì)54):66 kpa:0.5V , 333 kpa:4.5V ★發(fā)動(dòng)機(jī)傳感器故障時(shí)(信號(hào)線(xiàn)開(kāi)路、對(duì)電源短路、對(duì)地短路)的電壓值 ⒈出水溫度(155對(duì)55),進(jìn)氣溫度(32對(duì)55),回油溫度(162對(duì)55)三個(gè)傳感器故障時(shí)的電壓值相同: Sensor AD Open信號(hào)線(xiàn)開(kāi)路:4.88V,Vcc Short 對(duì)電源短路:4.88V,GND Short 對(duì)地短路: 0.02V ⒉加速踏板(21對(duì)135),(22對(duì)136)和PTO電位器(或稱(chēng)汽車(chē)吊上車(chē)油門(mén)): Sensor AD Open信號(hào)線(xiàn)開(kāi)路:0.18V,Vcc Short 對(duì)電源短路:4.88V,GND Short 對(duì)地短路: 0.02V ⒊進(jìn)氣壓力傳感器: Sensor AD Open信號(hào)線(xiàn)開(kāi)路:0.07V,Vcc Short 對(duì)電源短路:4.88V,GND Short 對(duì)地短路: 0.02V ⒋共軌壓力傳感器:汽修資源QQ:451820749空間日記大量免費(fèi)汽修資料,維修手冊(cè),電路圖,疑難雜癥等.空間日記資料每天更新。汽修資源出售各種車(chē)型資料,資料全網(wǎng)最低價(jià)。 Sensor AD Open信號(hào)線(xiàn)開(kāi)路:4.83V,Vcc Short 對(duì)電源短路:4.88V,GND Short 對(duì)地短路:0.02V ⒌怠速量調(diào)整電位器:Sensor AD Open信號(hào)線(xiàn)開(kāi)路:0.18V,Vcc Short對(duì)電源短路:4.88V,GND Short對(duì)地短路: |
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