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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 whether the passenger airbag connector assembly is firm and reliable.检查副驾驶员安全气囊接插件装配是否牢固、可靠。
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Are the test results normal?检查结果是否正常?
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No否 |
Reconnect the passenger airbag connector.重新连接副驾驶员安全气囊接插件。 |
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②Check the wiring harness from the airbag electronic control unit to the passenger airbag检查安全气囊电控单元至副驾驶员安全气囊之间的线束
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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 airbag electronic control unit harness connector BD51 and the passenger airbag harness connector IP59.断开安全气囊电控单元线束接插件BD51和副驾驶员安全气囊线束接插件IP59。
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3. |
Use a digital multimeter to measure the resistance between pins 21/22 of BD51 and pins 2/1 of IP59.用数字万用表测量BD51的21/22号针脚与IP59的2/1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 wiring harness from the airbag electronic control unit to the passenger airbag.维修或更换安全气囊电控单元至副驾驶员安全气囊之间的线束。 |
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③Replace passenger airbag更换副驾驶员安全气囊
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1. |
Replace the passenger airbag with a new one and check whether the fault code and symptoms are eliminated.更换新的副驾驶员安全气囊,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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④Replace airbag electronic control unit更换安全气囊电控单元
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1. |
Replace the airbag electronic control unit with a new one and check whether the fault code and symptoms are eliminated.更换新的安全气囊电控单元,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 airbag electronic control unit, you need to use a diagnostic tool to recalibrate the airbag electronic control unit.更换安全气囊电控单元后,需用诊断仪对安全气囊电控单元重新标定。 |
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