|
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。 |
|
|
②Check the motor integrated right rear caliper wiring harness检查电机集成式右后卡钳线束
|
 |
|
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. |
Disconnect the integrated brake control unit harness connector FB47 and the motor-integrated right rear caliper harness connector CA05.断开集成式制动控制单元线束接插件FB47和电机集成式右后卡钳线束接插件CA05。
|
|
3. |
Use a digital multimeter to measure the resistance between pins 15 and 16 of the FB47.使用数字万用表测量FB47的15号针脚和16号针脚之间的电阻。
Standard resistance value: >1M标准电阻值：＞1M
Ω
|
Are the test results normal?检查结果是否正常？
|
No否 |
Repair or replace the faulty wiring harness.维修或更换故障线束。 |
|
|
③Replace the motor-integrated right rear caliper assembly更换电机集成式右后卡钳总成
|
|
1. |
Replace the motor-integrated right rear caliper assembly with a new one, and check whether the fault code and symptoms are eliminated.更换新的电机集成式右后卡钳总成，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。 |
|
|
④Replacing the integrated brake control unit更换集成式制动控制单元
|
|
1. |
Replace with a new integrated brake control unit and check whether the fault code and symptoms are eliminated.更换新的集成式制动控制单元，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 integrated brake control unit, you need to use a diagnostic tool to recalibrate the integrated brake control unit.更换集成式制动控制单元后，需用诊断仪对集成式制动控制单元重新标定。 |
|
♦
|
After replacing the integrated brake control unit, the brake line bleeding operation is required.更换集成式制动控制单元后，需进行制动管路排气操作。 |
|
|
C15C31D - TroubleshootingC15C31D-故障诊断