Troubleshooting › Cooling system › Diagnosis
B1C2317-故障诊断 · T00606762

 B1C2317 - TroubleshootingB1C2317-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
B1C2317
ECP high voltage supply voltage is above thresholdECP高压供电电压高于阈值
1.ECP high voltage power supply line failure1.ECP高压供电线路故障
Troubleshooting steps故障诊断步骤
①Power on check上电检查
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。
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 2.去步骤2。
②Check the vehicle high voltage power supply检查整车高压电源
1. Check whether the high-voltage power supply voltage of the vehicle is normal.检查整车高压电源电压是否正常。
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 The battery pack is discharged.电池组放电。
③Replace air conditioning compressor assembly更换空调压缩机总成
1. Replace the air conditioning compressor assembly with a new one and check whether the fault code and symptoms are eliminated.更换新的空调压缩机总成，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。