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①Power on check上电检查
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1. |
Repower the vehicle, use the diagnostic tool to read and clear the fault codes, and check whether the fault codes and symptoms are eliminated.车辆重新上电，使用诊断仪读取并清除故障码，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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②General inspection一般检查
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1. |
Power status 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 electric liftgate drive lever harness for damage, breakage, etc.检查电动掀背门驱动杆线束是否存在损坏、断裂等现象。
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3. |
Check the electric hatchback door drive lever harness connector for damage, loose connection, etc.检查电动掀背门驱动杆线束接插件是否存在损坏、虚接等现象。
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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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③Check the electric liftgate drive lever power terminal wiring harness检查电动掀背门驱动杆电源端线束
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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 power liftgate drive lever harness connector BD96 and the power liftgate module harness connector BD90.断开电动掀背门驱动杆线束接插件BD96和电动掀背门模块线束接插件BD90。
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3. |
Use a digital multimeter to measure the resistance between pin 2 of the BD96 and pin 13 of the BD90.使用数字万用表测量BD96的2号针脚与BD90的13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 faulty wiring harness.维修或更换故障线束。 |
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④Replacing the power liftgate module更换电动掀背门模块
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1. |
Replace the electric hatchback door module with a new one and check whether the fault code and symptoms are eliminated.更换新的电动掀背门模块，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 electric liftgate module, you need to use a diagnostic tool to recalibrate the electric liftgate module.更换电动掀背门模块后，需用诊断仪对电动掀背门模块重新标定。 |
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B2CA013 - TroubleshootingB2CA013-故障诊断