C7 and C9 On-Highway Engines Caterpillar


Customer Specified Parameters

Usage:

C9 9DG
用户指定参数允许车辆所有者改变驾驶员的操作技巧。 某些参数会以培训不充分的驾驶员所不希望的方式影响发动机的操作。 即使在发动机性能符合发动机性能技术参数的情况下,这些参数也可能会导致功率或性能的问题。

用户参数可以在用户操作改变或为卡车指派新驾驶员时反复更改。 更改这些参数时可能需要使用客户密码。

下列信息是对用户指定参数的简要说明。 在说明中还包括了下列参数值:

  • 最小值

  • 最大值

  • 缺省值

表中显示为公制单位的适用范围值,后面紧跟的是英制单位的度量转换值。 参数的准确公制单位范围取决于所使用的服务软件。 每种软件的转换系数略有不同。

用户参数锁定

用户参数锁定可以限制对某些参数的修改。 锁定参数需要有用户密码(如果使用)。 一旦锁定一个参数,就需要出厂密码才能修改该参数。 此外,锁定一个参数后,解锁该参数也需要出厂密码。

如果锁定参数未被解锁,不需要出厂密码。 锁定的参数可以限制客户直接修改该参数。 而遇到操作者问题的车辆所有者则可以获得用户密码并改变这些参数。

锁定参数还可以提供核查索引。 以便决定下列信息:

  • 更改的时间

  • 更改期间的操作者

下列用户参数可以使用锁定:

  • "A/C 压力开关风扇接通时间"

  • "蓄电池监测和发动机控制电压 "

  • "蓄电池监测和低怠速发动机转速"

  • "High Cruise Control Speed Set Limit(巡航控制车速设定上限)"

  • "高速档位驱动桥传动比"

  • "低速档位驱动桥传动比"

  • "PTO 最高车速"

  • "柔性车速限制"

  • "Top Engine Limit"(发动机转速上限)

  • "变速箱类型"

  • "双速桥开关"

  • "车辆识别号"

  • "车速标定 (J1939-ABS)"

  • "车速标定 (J1939-Trans)"

  • "车速标定"

  • "车速限制"

  • "VSL 保护"

尝试修改锁定的参数时,即出现"出厂密码"屏。 如果需要修改参数,应遵循维修工具显示屏上的说明。

将参数从锁定改为非锁定也需要出厂密码。 如果被锁定的参数不止一个而且每个都需要解锁,只需要一个出厂密码。

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