DTC故障码诊断定义

Cracking the Code Behind DTCs 破解DTC 背后的代码 By Bernie Thompson | March 2010 伯尼 · 汤普森 | 三月 2010 年 谷朝峰 译 If you want to understand how computer-controlled vehicles operate, a good place to start is to look at how they make decisions. It all comes down to 1s and 0s, on or off, high or low, yes or no. Simple, right? 如果您想了解车载计算机如何控制车辆操作，这儿将是一个开始的好地方-----了解一下他们是如何作出的决定。所有的一切都来自于 1 和 0，打开或关闭，高或低，是或否。 很简单，对吗？ The triode, invented by Lee De Forest in the early part of the last century, was the first electrical amplifier. Built on vacuum tube technology, the triode provided the ability to turn an electrical circuit on or off using current flow. No longer was a mechanical switch needed to control an electrical circuit; voltage could now be used to do it. This new control strategy would signal the start of modern electronics. 三极管，由 Lee De Forest 在上一世纪初期的早些时候发明，是第一个电气放大器。基于真空管技术，三极管提供了使用当前电流打开或关闭一个电路能力。从而不再需要一个机械开关来控制电路 ，现在电压可以用来完成这件事了，这种新的控制策略标志了现代电子发展的开始。 The use of a triode to switch voltage from a low potential to a high potential was instrumental in the construction of early electric telephones, radios and calculators. In the early 1950s, a new technology based on semiconductor construction would replace triodes with transistors, in cases where low-power amplification was needed. The transistor, when fully saturated, could turn a circuit on or off, and then could be used to control an electrical circuit or store information in an electrical circuit. 对于三极管，将电压从低电位转换到高电位的应用曾经是早期电话、收音机和计算器发展的重要工具平台...