从1996年开始，所有在美国销售的汽车都必须配备OBD-II诊断连接器。我一直想知道相应的OBD-II扫描仪(和类似产品)的内部是什么样的。为了通过这个拆解项目满足我的好奇心，我选择了一款价格更适中(但仍然是主流功能)的设备，即THINKCAR Tech的THINKOBD 100。

Vehicles manufactured since 1996 have had to comply with the CARB issued OBD-II specification. These vehicles use a standardized diagnostic connector and data output format. On-Board Diagnostics (OBD) ...

This article was updated in November 2025 with new information. You know you’ve earned your DIY stripes when you can stay calm the moment something goes wrong. And with cars, that moment usually ...

Add Yahoo as a preferred source to see more of our stories on Google. Modern cars are technological marvels, and understanding what’s happening under the hood has never been more important—or more ...

I'm looking at buying a TPMS reset tool, but I don't mind paying more to get a decent OBDII/etc tool for doing various resets or WTF on the car.

In the Last diagnostics article, we outlined how to retrieve and decipher engine diagnostics for engines running OBD-I engine management computers. OBD or On Board Diagnostics is a subsystem of the ...

The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...