B00912D - TroubleshootingB00912D-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
B00912D	Driver's side B-pillar acceleration sensor wiring驾驶员侧B柱加速度传感器搭线	1. Driver’s side B-pillar acceleration sensor wiring1.驾驶员侧B柱加速度传感器搭线

Troubleshooting steps故障诊断步骤

①General inspection一般检查

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 whether the left B-pillar side impact sensor connector assembly is firm and reliable.检查左B柱侧碰传感器接插件装配是否牢固、可靠。 Are the test results normal?检查结果是否正常？ Yes是 Go to step 2.去步骤2。 No否 Reconnect the left B-pillar side impact sensor connector.重新连接左B柱侧碰传感器接插件。

②Check the left B-pillar side impact sensor circuit检查左B柱侧碰传感器线路

1. Check whether the left B-pillar side impact sensor circuit is damaged or wired.检查左B柱侧碰传感器线路是否损坏、搭线。 Are the test results normal?检查结果是否正常？ Yes是 Go to step 3.去步骤3。 No否 Repair or replace the left B-pillar side impact sensor wiring harness.维修或更换左B柱侧碰传感器线束。

③Replace the left B-pillar side impact sensor更换左B柱侧碰传感器

1. Replace the left B-pillar side impact sensor with a new one and check whether the fault code and symptoms are eliminated.更换新的左B柱侧碰传感器，检查故障码及症状是否排除。 Are the test results normal?检查结果是否正常？ Yes是 Fault resolved.故障排除。 No否 Go to step 4.去步骤4。

④Replace airbag electronic control unit更换安全气囊电控单元

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。 Are the test results normal?检查结果是否正常？ Yes是 Fault resolved.故障排除。 No否 Look for causes from other symptoms.从其他症状查找原因。   Caution:注意： ♦  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。