PL61 Pipelayer and D6K Track-Type Tractor Caterpillar


Using Caterpillar Electronic Technician to Determine Diagnostic Codes

Usage:

D6K LGP DHA
将"Caterpillar 电子技师"连接到机器。 将钥匙开关转到 RUN(运转)位置。 启动 Cat ET。 Cat ET 会发起与机器上的电子控制模块的通信。 通信建立起来之后,Cat ET 会列出电子控制模块。 选择所需的电子控制模块。 使用 Cat ET 检测到诊断代码后,参考相应诊断代码的测试程序。

参考故障诊断与排除, "维修工具"

激活的诊断代码




图 1g01306177

现行诊断代码的典型 Cat ET 屏幕

下述程序可能会导致记录新的诊断代码。 因此,执行任何程序之前,先列出所有激活的诊断代码,以确定系统有无故障。 完成各个步骤后,清除步骤所引起的诊断代码。

注: 执行程序之前,一定要先检查所有断路器。 排除跳闸断路器跳闸的原因。

Cat ET 中提供了显示现行诊断代码的屏幕。 该屏幕显示所有现行诊断代码。 现行诊断信息包括部件识别符 (CID)、故障模式识别符 (FMI) 和故障的文字描述。

记录的诊断代码




图 2g01306184

记录的诊断代码的典型 Cat ET 屏幕

Cat ET 中提供了显示记录的诊断代码的屏幕。 该屏幕显示所有记录的诊断代码。 Cat ET 会记录间歇性诊断代码。 记录的诊断数据包括部件识别符 (CID)、故障模式识别符 (FMI) 和问题的文字描述。 此外,记录的诊断数据还包括问题出现的次数和两个时间标记。 一个时间标记显示问题第一次出现的时间,另一个时间标记显示问题最近一次出现的时间。

诊断信息记录在固定存储器中。 通电时,ECM 会清除过去机器运转 150 小时内未检测到的或未激活的所有诊断代码。

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