五菱宏光S转向失去助力故障分析与排除

Analysis and solve the problem of lose steering power of HongguangS car

一辆五菱宏光S型号乘用车出现在行驶过程中转向突然失去助力的故障现象,为排除此故障,文章阐明了五菱宏光S的EPS转向系统的工作原理,分析了五菱宏光S的EPS电路系统,依据电路分析,进行了线路与电压的检测,确定了故障点,排除了故障,使车辆恢复正常。

A Hongguang S car has lose steering power when running. For solve this problem, this article tells the principle of Electric Power Steering and analyzes Electric system of Hongguang S car. According to the electric circuit, The car was returned to normal when author has found out the point of problem and solve the problem.