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①General inspection一般检查
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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。
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2. |
Check the right rear microphone harness for damage, breakage, etc.检查右后麦克风线束是否存在损坏、断裂等现象。
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3. |
Check whether there is any loose connection or damage to the right rear microphone harness connector.检查右后麦克风线束接插件是否存在虚接、损坏等现象。
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Are the test results normal?检查结果是否正常？
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No否 |
Repair or replace faulty wiring harness or connector.维修或更换故障线束或接插件。 |
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②Check the second row right rear MIC signal line检查二排右后MIC信号线路
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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。
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2. |
Disconnect the right rear microphone harness connector BD101 and the vehicle infotainment head unit harness connector IP55.断开右后麦克风线束接插件BD101和车载智能多媒体主机线束接插件IP55。
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3. |
Use a digital multimeter to measure the resistance between pin 29 of IP55 and pin 1 of BD101.用数字万用表测量IP55的29号针脚与BD101的1号针脚之间的电阻。
Standard resistance value: <1标准电阻值：＜1
Ω
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Are the test results normal?检查结果是否正常？
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No否 |
Repair or replace the second row right rear MIC signal harness.维修或更换二排右后MIC信号线束。 |
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③Replace right rear microphone更换右后麦克风
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1. |
Replace the right rear microphone with a new one and check whether the fault code and symptoms are eliminated.更换新的右后麦克风，检查故障码及症状是否排除。
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Are the test results normal?检查结果是否正常？
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Yes是 |
Fault resolved.故障排除。 |
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④Replacement of infotainment head unit更换车载智能多媒体主机
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1. |
Replace with a new infotainment head unit and check whether the fault code and symptoms are eliminated.更换新的车载智能多媒体主机，检查故障码及症状是否排除。
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Are the test results normal?检查结果是否正常？
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Yes是 |
Fault resolved.故障排除。 |
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No否 |
Look for causes from other symptoms.从其他症状查找原因。 |
Caution:注意： |
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♦
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After replacing the infotainment head unit, it is necessary to use a diagnostic instrument to recalibrate the infotainment head unit.更换车载智能多媒体主机后，需用诊断仪对车载智能多媒体主机重新标定。 |
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B1B0A13 - TroubleshootingB1B0A13-故障诊断