From yahoo answers: https://uk.answers.yahoo.com/question/index?

https://uk.answers.yahoo.com/question/index?qid=20071022003229AA2VRdX

人们认为测试发电机是必要的。如之前一些朋友提到的。

此链接中有个人说断开ecu 的接口喷w40, 应该不是普通的W40。有专门清理电路链接点的W40：

https://www.amazon.com/WD-40-Specialist-Electrical-Contact-Cleaner/dp/B00AF0OFVU/ref=asc_df_B00AF0OFVU/?tag=hyprod-20&linkCode=df0&hvadid=167130986292&hvpos=1o2&hvnetw=g&hvrand=10778945809247891902&hvpone=&hvptwo=&hvqmt=&hvdev=t&hvdvcmdl=&hvlocint=&hvlocphy=9026802&hvtargid=pla-316073662257&psc=1