乘用车OBD诊断协议总结 ISO15031支持的汽车OBD口读取的数据项: 其中01是服务ID,即SID。还有具体一类参数的参数ID,即PID PID (hex) | | | | | | | | | | | | | | | | | | | 自DTC清除后监控状态(包括故障指示灯(MIL)状态和DTC数量) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [A0..A3] ==缸组1,传感器1-4。[A4..A7] ==缸组2 ...... | | | | | | | | A/200 (B*100/128)-100 (如果B == $ FF,传感器不用于修正计算) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 与PID 13类似,但[A0..A7] == [B1S1,B1S2,B2S1,B2S2,B3S1,B3S2,B4S1, | | | | | | | | A0 ==取力器(PTO)状态(1 ==有效) [A1..A7]未使用 | | | | | | | | | | | | | | | | 位编码。[A7...A0]==[PID21...PID40]的支持情况 | | | | | | | | | | | | | | | | | | | | | | | | | | | | 氧传感器1 AB:燃料 - 空气当量比 CD:氧传感器电压 | | | | (256*A+B)*2/65536 (256*C+D)*8/65536 | | | | 氧传感器2 AB:燃料 - 空气当量比 CD:氧传感器电压 | | | | 氧传感器3 AB:燃料 - 空气当量比 CD:氧传感器电压 | | | | 氧传感器4 AB:燃料 - 空气当量比 CD:氧传感器电压 | | | | 氧传感器5 AB:燃料 - 空气当量比 CD:氧传感器电压 | | | | 氧传感器6 AB:燃料 - 空气当量比 CD:氧传感器电压 |
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