Electrical › Car windows/glass/rearview mirrors › Diagnosis
两侧后视镜都不工作 · T00611530

 The rearview mirrors on both sides don't work.两侧后视镜都不工作

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. Use a diagnostic tool to read the fault code and check whether there is a fault.用诊断仪读取故障码，检查是否存在故障。
Check if there is a fault code?检查是否存在故障码？
Yes → Troubleshoot related faults according to the fault code.是>>根据故障码排除相关故障。
No → Go to step 2.否>>去步骤2。
②Check the wiring harness connector检查线束接插件
1. Power state is "OFF", disconnect the negative terminal of the 12V battery.电源状态“OFF”，断开蓄电池负极。
2. Check the wiring harness for damage, breakage, etc.检查线束是否存在损坏、断裂等现象。
3. Check whether there is any loose connection or damage to the wiring harness connector.检查线束接插件是否存在虚接、损坏等现象。
Are the test results normal?检查结果是否正常？
Yes → Go to step 3.是>>去步骤3。
No → Repair or replace the faulty wiring harness or connector.否>>维修或更换故障线束或接插件。
③Check the touch control screen检查触摸控制屏
1. Check whether the touch control screen is working properly.检查触摸控制屏工作是否正常。
Are the test results normal?检查结果是否正常？
Yes → Go to step 4.是>>去步骤4。
No → Inspect the touch control screen.否>>检修触摸控制屏。
④Check vehicle infotainment head unit fault code检查车载多媒体主机故障码
1. Use the diagnostic tool to read the fault code of the infotainment head unit and check whether there is a fault in the infotainment head unit.使用诊断仪读取车载智能多媒体主机故障码，检查车载智能多媒体主机是否存在故障。
Are the test results normal?检查结果是否正常？
Yes → Find the cause from other fault symptoms.是>>从其他故障现象查找原因。
No → Troubleshoot the fault of the vehicle-mounted intelligent multimedia host according to the fault code.否>>根据故障码排除车载智能多媒体主机故障。