Transmission Does Not Respond to Shift Selector
如果变速箱未连接到车辆蓄电池、点火开关未连接或 J1939 数据链路导线断开，则换档器可能不正常工作。 钥匙起动开关转到接通位置时，换档器键盘会显示 "--"，而不是 "NN"。
检查下列各项：
- 检查到变速箱 ECU 的蓄电池电源。
- 检查到变速箱 ECU 的蓄点火电源。
- 检查 J1939 数据链路导线和接头。
- 检查确认变速箱 ECU 序列号正确编程。
请参阅本手册中的测试和调整, "电子控制模块 - 检查"部分了解更多信息。
如果换档器只显示右侧数字，则变矩器序列号可能未进行编程。 检查确认变矩器序列号正确编程。
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