Electronic Service Tool Will Not Communicate with ECM
- 控制模块电源故障
- 电子维修工具缆线故障
- 电子维修工具故障
- 控制模块故障
控制模块电源可能存在故障。 请参阅故障诊断和排除, "电源" 。
检查该电子维修工具缆线。 请参阅故障诊断和排除, "检查电气接头"。
如果您使用的是数字诊断工具(DDT)，DDT内的维修程序模块(SPM)可能脱出。 关于维修程序模块安装的资料，请参阅工具使用手册, SEHS8806。
在另一台发动机上使用该维修工具和及其缆线。 确认该设备工作正常。
如果维修工具无法与电子点火系统(EIS)的控制模块进行通信，测试控制模块。 请参阅故障诊断和排除, "控制模块自检"。
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