随着汽车电子产品的日益丰富,汽车电器线路日益复杂,发生故障的频率也随之升高。如发动机动力不足、喇叭不工作、仪表显示异常、蓄电池漏电等,许多维修人员在寻求故障的原因时,习惯性地把重点放在电器元件及蓄电池上 With the increasingly rich automotive electronics products, automotive electrical circuits increasingly complex, the frequency of failure also will rise. Such as lack of engine power, the horn does not work, the instrument shows abnormal battery leakage, etc., many maintenance personnel in the search for the cause of the malfunction, the habit of focusing on electrical components and batteries