以下中文由电脑翻译，仅供参考，英文原版请见后半部分。
AIC 代码 – 接收来自相关操作控制的信号
AIC 522077.11 — iTEC™ 程序选择开关，iTEC™ 程序选择故障
开关按下时间过长。这表明开关卡住或脏了。
控制软件的反应：iTEC™ 程序选择开关的功能有限或没有功能。
AIC 522189.02 — iTEC™ 开关电路故障
代码由以下原因引起：iTEC™ 按钮的 LIN 数据故障。在用于 iTEC™ 程序选择的开关处检测到不正确的开关逻辑（序列 3 和 4）。这可能表示开关或电路有故障。
控制单元响应：无 iTEC™
AIC 522189.03 — 用于 iTEC™ 程序选择的开关，电压过高
用于 iTEC™ 程序选择的开关电压过高。这表明控制软件的反应为 12 V.
：iTEC™ 程序选择开关功能有限或没有功能
AIC 522189.04 — 用于 iTEC™ 程序选择的开关，电压太低
用于 iTEC™ 程序选择的开关电压太低。这表示对地短路。
控制软件的反应：iTEC™ 程序选择开关的功能有限或没有功能。
AIC 522189.11 — 用于 iTEC™ 程序选择的开关，用于 iTEC™ 程序选择的故障
开关按下时间过长。这可能表示开关有缺陷或短路。
控制软件的反应：iTEC™ 程序选择开关功能有限或无功能
AIC 522546.02 — 档位选择开关，故障
当选档开关的升档/降档有故障时，换档转换。这可能表示开关有缺陷或电路有缺陷。
控制软件的反应：选档开关功能受限或无功能
AIC 522549.02 — 扶手发动机速度控制模块电路冲突
代码由以下原因引起：ON 触点和 OFF 触点显示脚踏板锁定按钮的相同值。这可能表示开关卡住或电路有缺陷。
控制单元响应：功能禁用 （OFF）
AIC 522551.02 — 扶手发动机转速控制模块电路冲突
代码由以下原因引起：ON 触点和 OFF 触点显示 ECO 按钮的值相同。这可能表示开关卡住或电路有缺陷。
控制单元响应：功能禁用 （OFF）
AIC 522553.02 — 扶手发动机转速控制模块电路冲突
代码由以下原因引起：ON 触点和 OFF 触点显示 Field Cruise/Engine Set Speed on-off 按钮的相同值。这可能表示开关卡住或电路有缺陷。
控制单元响应：功能禁用 （OFF）
AIC 522769.09 — 扶手挂钩控制模块消息缺失
代码，原因如下：扶手接口控制软件 （AIC） 未收到来自扶手挂钩控制模块的 LIN 消息。AIC 控制软件和LIN 总线模块（位置 M）之间的数据传输问题。这表明 LIN总线或传输 LIN 总线模块存在问题。
控制单元响应：功能受限
AIC 523343.02 — 打开多功能杆，故障
多功能杆的信号不正确。这可能表示开关有缺陷或电路有缺陷。
控制软件的反应：多功能杆上的附加开关功能受限或无功能
AIC 523343.03 — 打开多功能杆，电压过高
，电路开路或短路至 12 伏。
控制软件的反应：多功能杆上的附加开关功能受限或无功能
AIC 523343.04 — 打开多功能杆，电压过低
的电压电源低于 4.8 伏。这表明控制单元对地短路或内部故障。
控制软件的反应：多功能杆上的附加开关功能受限或无功能
AIC 523349.02 — AutoTrac™ 恢复开关冲突
代码由以下原因引起：AutoTrac™ 恢复开关 ON 和 OFF 触点显示相同的值。这可能表示开关或电路有故障。
控制单元响应：AutoTrac™ 开关的功能受限或无功能。
AIC 523349.03 — AutoTrac™ 开关，电压过高
，电路开路或短路至 12 伏。
控制软件的反应：AutoTrac™ 开关的功能受限或没有功能。
AIC 523349.04 — AutoTrac™ 开关，开关输入电压低于 0.50 伏时电压过低
。这表示对地短路。
控制软件的反应：AutoTrac™ 开关的功能受限或没有功能。
AIC 523349.11 — AutoTrac™ 开关故障
AutoTrac™ 开关按下时间过长。
控制软件的反应：AutoTrac™ 开关的功能受限或没有功能。
AIC 523652.09 — 扶手发动机速度控制模块消息缺失
代码，原因如下：扶手接口控制软件 （AIC） 未收到来自扶手发动机速度控制模块的 LIN 消息。AIC 控制软件和LIN 总线（位置 H）之间的数据传输问题。这表明 LIN 总线或传输 LIN 总线模块存在问题。
控制单元响应：功能受限
AIC 523670.02 — 速度控制杆电压超出范围
速度带 2 的开关信号与速度控制杆电位计的信号不匹配。即使速度控制杆在速度范围 1 内，也会接收到速度范围 2 的激活开关的信号。
控制软件的反应：当诊断故障代码激活时，拖拉机无法移动。故障纠正后，可以通过转角停放位置移动倒车驱动杆来驱动拖拉机。
控制单元响应：默认为中性
AIC 523670.11 — 启动
代码时驱动杆挂档，原因如下：车辆启动时，驱动杆处于升档位置或降档位置。
控制单元响应：默认为中性
AIC codes – receives the signals from the relevant operating controls
AIC 522077.11 — Switch for iTEC™ Program
Selection, Fault
Switch for iTEC™ program selection pressed too long. This my indicate that the
switch is stuck or dirty.
Reaction of the control software: Limited or no function of the iTEC™ program
selection switch.
AIC 522189.02 — iTEC™ Switch Circuit
Fault
Code caused by: LIN data fault from iTEC™ button. Incorrect switch logic
detected at the switch for iTEC™ program selection (sequences 3 and 4). This
may indicate a faulty switch or circuit.
Control Unit Response: No iTEC™
AIC 522189.03 — Switch for iTEC™ Program
Selection, Voltage Too High
Voltage of switch for iTEC™ program selection too high. This indicates a short
to 12 V.
Reaction of the control software: Limited or no function of the switch for
iTEC™ program selection
AIC 522189.04 — Switch for iTEC™ Program
Selection, Voltage Too Low
Voltage of switch for iTEC™ program selection too low. This indicates a short
to ground.
Reaction of the control software: Limited or no function of the iTEC™ program
selection switch.
AIC 522189.11 — Switch for iTEC™ Program
Selection, Fault
Switch for iTEC™ program selection pressed too long. This may indicate a
defective switch or a shorted circuit.
Reaction of the control software: Limited or no function of the switch for
iTEC™ program selection
AIC 522546.02 — Gear Selector Switch,
Fault
The shift transitions when upshifting/downshifting at the gear selector switch
are faulty. This may indicate a defective switch or defective circuit.
Reaction of the control software: Limited or no function of the gear selector
switch
AIC 522549.02 — Armrest Engine Speed
Control Module Circuit Conflict
Code Caused By: The ON contact and OFF contact show same value for the foot
pedal lock button. This may indicate a stuck switch or a defective circuit.
Control Unit Response: Function Disabled (OFF)
AIC 522551.02 — Armrest Engine Speed
Control Module Circuit Conflict
Code Caused By: The ON contact and OFF contact show same value for the ECO push
button. This may indicate a stuck switch or a defective circuit.
Control Unit Response: Function Disabled (OFF)
AIC 522553.02 — Armrest Engine Speed
Control Module Circuit Conflict
Code Caused By: The ON contact and OFF contact show same value for the Field
Cruise/Engine Set Speed onoff button. This may indicate a stuck switch or a
defective circuit.
Control Unit Response: Function Disabled (OFF)
AIC 522769.09 — Armrest Hitch Controls
Module Message Missing
Code caused by: Armrest interface control software (AIC) not receiving LIN
message from armrest hitch controls module. Data transfer problem between the
AIC control software and the LIN Bus module (position M). This indicates a
problem in the LIN Bus or in the transmitting LIN Bus module.
Control Unit Response: Limited Function
AIC 523343.02 — Switch on Multi-Function
Lever, Fault
Incorrect signal from multi-function lever. This may indicate a defective
switch or defective circuit.
Reaction of the control software: Limited or no function of the additional
switch on the multi-function lever
AIC 523343.03 — Switch on Multi-Function
Lever, Voltage Too High
Circuit open or shorted to 12 volts.
Reaction of the control software: Limited or no function of the additional
switch on the multi-function lever
AIC 523343.04 — Switch on Multi-Function
Lever, Voltage Too Low
Voltage supply below 4.8 volts. This indicates a short to ground or an internal
fault of the control unit.
Reaction of the control software: Limited or no function of the additional
switch on the multi-function lever
AIC 523349.02 — AutoTrac™ Resume Switch
Conflict
Code caused by: AutoTrac™ resume switch ON and OFF contacts show same value.
This may indicate a faulty switch or circuit.
Control Unit Response: Limited or no function of the AutoTrac™ switch.
AIC 523349.03 — AutoTrac™ Switch,
Voltage Too High
Circuit open or shorted to 12 volts.
Reaction of the control software: Limited or no function of the AutoTrac™
switch.
AIC 523349.04 — AutoTrac™ Switch,
Voltage Too Low
Voltage at switch input below 0.50 volts. This indicates a short to ground.
Reaction of the control software: Limited or no function of the AutoTrac™
switch.
AIC 523349.11 — AutoTrac™ Switch Fault
AutoTrac™ switch pressed too long.
Reaction of the control software: Limited or no function of the AutoTrac™
switch.
AIC 523652.09 — Armrest Engine Speed
Control Module Message Missing
Code caused by: Armrest interface control software (AIC) not receiving LIN
message from Armrest Engine Speed Control Module. Data transfer problem between
the AIC control software and the LIN Bus (position H). This indicates a problem
in the LIN Bus or in the transmitting LIN Bus module.
Control Unit Response: Limited Function
AIC 523670.02 — Speed Control Lever
Voltage Out of Range
There is a mismatch between the signals of the switch for speed band 2 and of
the potentiometer of the speed control lever. The signal of the activated
switch for speed range 2 is being received, even though the speed control lever
is in speed range 1.
Reaction of the control software: With diagnostic trouble code active, the
tractor cannot be moved. After the fault has been corrected, the tractor can be
driven by moving the reverse drive lever via the corner park position.
Control Unit Response: Defaults to Neutral
AIC 523670.11 — Drive Lever in Gear at
Startup
Code caused by: Vehicle start-up with Drive lever in gear increase position or
gear decrease position.
Control Unit Response: Defaults to Neutral
