B1E034B - TroubleshootingB1E034B-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
B1E034B	The external environment temperature of Lidar is abnormal, and the component or system temperature exceeds the range.Lidar外部环境温度异常，组件或系统温度超过范围	1. The ambient temperature is greater than 85°C1.环境温度大于85°C
		2. Or the ambient temperature is lower than -40°C2.或环境温度低于-40°C

Troubleshooting steps故障诊断步骤

①Check ambient temperature检查环境温度

1. Check whether the vehicle is in a high temperature environment or there is a heat source near the vehicle.检查车辆是否处于高温环境或车辆附近有热源。 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 Place the vehicle in a suitable environment or away from heat sources.将车辆至于合适的环境中或远离热源。

②Replacing forward-facing lidar更换前向激光雷达

1. Replace with a new forward-facing lidar and check whether the fault code and symptoms are eliminated.更换新的前向激光雷达，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 forward-facing lidar, you need to use a diagnostic tool to recalibrate the forward-facing lidar.更换前向激光雷达后，需用诊断仪对前向激光雷达重新标定。