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P147694-故障诊断 · T00611444

 P147694 - TroubleshootingP147694-故障诊断

Fault code description故障码说明
DTC故障码(DTC)
Fault code description故障码描述
Possible cause of failure可能故障原因
P147694
DCDC status is incorrect during power-on process上电过程DCDC状态不正确
1.DCDC mode is incorrect1.DCDC模式不正确
Troubleshooting steps故障诊断步骤
①General inspection一般检查
1. Power status "OFF".电源状态“OFF”。
2. Connect the diagnostic tool.连接诊断仪。
3. Power status "ON".电源状态“ON”。
4. Clear the fault code.清除故障码。
5. The power status is "OFF", turn off all electrical appliances, and power on again after 5 seconds.电源状态“OFF”，关闭所有用电器，5秒后重新上电。
6. Read the fault code again and check whether the fault code still exists.再次读取故障码，检查故障码是否依然存在。
Are the test results normal?检查结果是否正常？
Yes是 For sporadic faults, check whether the relevant wiring harness of the integrated electric drive system is connected or damaged.偶发性故障，检查集成电力驱动系统相关线束是否存在虚接、损坏等现象。
No否 Go to step 2.去步骤2。
②Check the integrated electric drive system检查集成电力驱动系统
1. Check the integrated electric drive system.检查集成电力驱动系统。
Are the test results normal?检查结果是否正常？
Yes是 Look for causes from other symptoms.从其他症状查找原因。
No否 Overhaul the integrated electric drive system.检修集成电力驱动系统。