MID 081 - CID 1402 - FMI 11
产生此代码的情况:
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图 1 | g01817543 |
离合器电磁阀 2(前进低速档)示意图 |
当接口模块有内部故障时,记录该诊断故障代码。
系统响应:
当该诊断故障代码激活时,Cat ®电子技师(ET)不能控制预热阀的电磁阀。 Cat ET 读取的电磁阀电路电压将低于正常值,这说明电路开路。 Cat ET 将不能使电磁阀通电。
测试步骤 1. 检查 ECM
- 将钥匙起动开关和断路开关转到断开位置。
- 等待 30 秒钟。
- 将断路开关转到接通位置。
- 将钥匙起动开关转到接通位置。
- 在进行下一步前,可充分进行自测试。
- 检查信息中心有无激活的诊断故障代码。
预期结果:
CID 1402 FMI 11 诊断故障代码不再存在。
结果:
- 确定 - CID 1402 FMI 11 诊断故障代码不再存在。 重置界面模块已解决诊断故障代码。停止
- 异常 - 诊断故障代码 CID 1402 FMI 11 仍为激活状态。 界面模块出现故障。
修复: 再次检查电路。 使用 Cat 电子技师(ET)维修工具对机器配线线束进行晃动测试。 晃动测试可以检测到机器导线线束中的瞬时或间歇性短路或开路。ECM 不太可能有故障。 先退出此步骤,然后重新执行此步骤。 如果没有找到该诊断故障代码的原因,则应更换 ECM。 更换 ECM 之前,请务必联系您的代理商的技术通信员征求 Caterpillar 可行的意见。 此咨询可以大大降低维修时间。 请参阅测试和调整, "电子控制单元 - 更换"。
停止
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