1.线性氧传感器引脚IP/PC(Pump current),
IA/TR(Calibration resistance),
VM/COM (Virtual ground),UN/RC(Nernst voltage),
O2A HTR(Heating)开路、短路故障;
2.加热线阻值异常故障;
3.模拟老化信号特性:
*氧信号短路、开路故障;
*加热线短路、开路故障;
*氧传感器信号偏置故障、信号幅值受限故障;
*氧传感器信号劣化故障;
*氧传感器信号慢响应故障Slow response;
*传感器信号延迟响应故障Delayed response。