大众轿车电控机械助力转向系统故障诊断与排除

Volkswagen Car Electronic Power Steering System Fault Diagnosis and Elimination

电控机械助力转向系统和传统液压助力转向系统相比，取消了大量的液压和机械传动的相关部件，不需进行定期更换转向液压油的保养，避免了系统渗油问题。大大降低了车辆的保修成本，也不存在液压助力泵长期运转的情况，

Through the 'small gear power type P-EPS' electric power steering system fault diagnosis of two cases of exclusion,the work of electric power steering system process characteristics and fault diagnosis method was summarized,the reasons of causing trouble with the related countermeasures were analyzed.