ISO15031支持的汽车OBD口读取的数据项: 1.2单帧请求公有信息数据: 发送: 7DF 02 01 PIDx 00 00 00 00 00 ECU回复: 7E8 07 41 PIDx A B C D 00 (即下文中的ABCD分别代表的字节在返回报文中的位置) 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 ...... |
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