Thermal management integrated module works abnormally热管理集成模块工作异常

①Check fuse检查保险丝
	1. Check whether the ITS fuse in the battery-positive fuse box is normal.检查正极电器盒中ITS保险丝是否正常。 ITS：60A Are the test results normal?检查结果是否正常？ Yes → Go to step 2.是>>去步骤2。 No → Replace the fuse with the same specification.否>>更换相同规格保险丝。
②Check coolant检查冷却液
1. Check that the coolant is within the appropriate calibration range.检查冷却液是否处于合适的刻度范围。 Are the test results normal?检查结果是否正常？ Yes → Go to step 3.是>>去步骤3。 No → Add coolant that meets the specifications.否>>加注符合规格要求的冷却液。
③Check the wiring harness connector检查线束接插件
1. Check whether the thermal management integrated module wiring harness is damaged or broken.检查热管理集成模块线束是否存在损坏、断裂等现象。 2. Check whether the wiring harness of the power supply device of the integrated temperature control system is damaged or broken.检查集成温控系统上电器件线束是否存在损坏、断裂等现象。 3. Check whether there are loose connections or damage to the thermal management integrated module harness connector.检查热管理集成模块线束接插件是否存在虚接、损坏等现象。 4. Check whether the wiring harness connector of the integrated temperature control system power-on device is connected or damaged.检查集成温控系统上电器件线束接插件是否存在虚接、损坏等现象。 Are the test results normal?检查结果是否正常？ Yes → Go to step 4.是>>去步骤4。 No → Repair or replace the faulty wiring harness or connector.否>>维修或更换故障线束或接插件。
④Check the electrical components on the integrated temperature control system检查集成温控系统上的电器件
1. Check whether the electrical components on the integrated temperature control system are working properly.检查集成温控系统上的电器件工作是否正常。 Are the test results normal?检查结果是否正常？ Yes → Go to step 5.是>>去步骤5。 No → Repair the faulty electrical components or replace the integrated temperature control system.否>>检修故障电器件或更换集成温控系统。
⑤Check integrated temperature control system fault code检查集成温控系统故障码
1. Use a diagnostic tool to read the fault code of the integrated temperature control system and check whether there is a fault in the integrated temperature control system.使用诊断仪读取集成温控系统故障码，检查集成温控系统是否存在故障。 Are the test results normal?检查结果是否正常？ Yes → Go to step 7.是>>去步骤7。 No → If the fault code can be read, troubleshoot according to the fault code; if communication cannot be performed, go to step 6.否>>若能读取故障码，根据故障码排除故障；若不能进行通讯，去步骤6。
⑥Check CAN communication line检查CAN通讯线路
1. Check whether the CAN communication line of the integrated temperature control system is normal.检查集成温控系统CAN通讯线路是否正常。 Are the test results normal?检查结果是否正常？ Yes → Go to step 7.是>>去步骤7。 No → Check the CAN communication line.否>>检修CAN通讯线路。
⑦Check the thermal management integrated module power circuit检查热管理集成模块电源线路
	1. Power status "ON".电源状态“ON”。 2. Use a digital multimeter to measure the voltage between pin 2 of the thermal management integrated module harness connector FB43 and ground.用数字万用表测量热管理集成模块线束接插件FB43的2号针脚与接地之间的电压。 Standard voltage value: about 14V标准电压值:约14V Are the test results normal?检查结果是否正常？ Yes → Go to step 8.是>>去步骤8。 No → Repair or replace the thermal management integrated module power harness.否>>维修或更换热管理集成模块电源线束。
⑧Check the thermal management integrated module ground circuit检查热管理集成模块接地线路
	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 thermal management integrated module harness connector FB43.断开热管理集成模块线束接插件FB43。 3. Use a digital multimeter to measure the resistance between pin 1 of FB43 and ground.用数字万用表测量FB43的1号针脚与接地之间的电阻。 Standard resistance value: <1标准电阻值：＜1 Ω Are the test results normal?检查结果是否正常？ Yes → Go to step 9.是>>去步骤9。 No → Repair or replace the thermal management integrated module ground harness.否>>维修或更换热管理集成模块接地线束。
⑨Replacing the thermal management integrated module更换热管理集成模块
1. Replace the thermal management integrated module and check whether the fault is rectified.更换热管理集成模块，检查故障是否排除。 Are the test results normal?检查结果是否正常？ Yes → Fault resolved.是>>故障排除。 No → Find the cause from other fault symptoms.否>>从其他故障现象查找原因。   Caution:注意： ♦  After replacing the thermal management integrated module, you need to use a diagnostic instrument to recalibrate the thermal management integrated module.更换热管理集成模块后，需用诊断仪对热管理集成模块重新标定。