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故障现象一辆2009款广州本田锋范轿车,发动机起动后不管行驶还是原地转动转向盘均无转向助力。故障诊断锋范轿车的转向助力是靠转向助力电动机的工作获得的,转向助力电动机的工作受EPS控制单元的控制,EPS控制单元根据转向扭矩传感器的输入信号来控制转向助力电动机的工作,扭矩传感器由2个线圈和1个铁心组成,铁心套在转向扭力杆的外侧,当向右转向时铁心上移,扭矩传感器就产生一个转向信号发送到EPS控制单元,EPS控
Fault phenomenon A 2009 Guangzhou Honda Fengfan sedans, regardless of driving or turning the steering wheel in place after the start of the engine no steering assistance. Fault diagnosis Front Fan power steering assistance is to rely on the steering power motor work, the steering power assisted by EPS control unit control, EPS control unit according to the steering torque sensor input signal to control the power steering motor work, the torque sensor from 2 coils and 1 core. The core is sleeved on the outside of the steering torsion bar. When the core is turned to the right, the torque sensor generates a steering signal and sends it to the EPS control unit. The EPS control unit