Abstract: The test of sensors for auto engine is the b ase of vehicle diagnosis and it is necessary to study the feature and character of the sensors for auto.Based on this,the test circuit of sensors was designed successfully.

• 文摘:发动机用传感器的测试是进行发动机诊断的基础，故有必要对发动机用传感器输出信号的性质及特征加以探讨，本文就进行了这一方面的工作，并成功地设计了传感器的测试电路。