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①General inspection一般检查
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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。
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2. |
Check the battery cooler water inlet temperature sensor wiring harness for damage, breakage, loose connection, etc.检查电池冷却器进水温度传感器线束是否存在损坏、断裂、虚接等现象。 |
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3. |
Check the battery cooler inlet water temperature sensor harness connector for loose connection or damage.检查电池冷却器进水温度传感器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？
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No否 |
Repair or replace the battery cooler inlet water temperature sensor harness or connector.维修或更换电池冷却器进水温度传感器线束或接插件。 |
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②Check the battery cooler inlet water temperature sensor检查电池冷却器进水温度传感器
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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。
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2. |
Disconnect the battery cooler inlet water temperature sensor harness connector.断开电池冷却器进水温度传感器线束接插件。 |
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3. |
Use a digital multimeter to measure the resistance of the battery cooler inlet water temperature sensor.用数字万用表测量电池冷却器进水温度传感器的电阻。 T-R value:T-R值：
-40
℃: Approximately 210.87K：约210.87K
Ω
-30
℃: Approximately 120.09K：约120.09K
Ω
-20
℃: Approximately 71.5K：约71.5K
Ω
-10
℃: Approximately 43.93K：约43.93K
Ω
0
℃: Approximately 27.74K：约27.74K
Ω
10
℃: Approximately 18.02K：约18.02K
Ω
20
℃: Approximately 12.06K：约12.06K
Ω
30
℃: about 8.28K：约8.28K
Ω
40
℃: About 5.79K：约5.79K
Ω
50
℃: Approximately 4.14K：约4.14K
Ω
60
℃: About 3.01K：约3.01K
Ω
70
℃: About 2.22K：约2.22K
Ω
80
℃: about 1.66K：约1.66K
Ω
90
℃: about 1.26K：约1.26K
Ω
100
℃: about 0.97K：约0.97K
Ω
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Are the test results normal?检查结果是否正常？
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No否 |
Replace the battery cooler inlet water temperature sensor.更换电池冷却器进水温度传感器。 |
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③Check the battery cooler inlet water temperature sensor circuit检查电池冷却器进水温度传感器线路
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1. |
Check whether the battery cooler inlet water temperature sensor circuit is short-circuited.检查电池冷却器进水温度传感器线路是否短路。
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Are the test results normal?检查结果是否正常？
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No否 |
Repair or replace the battery cooler inlet water temperature sensor wiring harness.维修或更换电池冷却器进水温度传感器线束。 |
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④Replace the battery cooler inlet water temperature sensor更换电池冷却器进水温度传感器
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1. |
Replace the battery cooler inlet water temperature sensor and check whether the fault code and symptoms are eliminated.更换电池冷却器进水温度传感器，检查故障码及症状是否排除。
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Are the test results normal?检查结果是否正常？
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Yes是 |
Fault resolved.故障排除。 |
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⑤Replacing the thermal management integrated module更换热管理集成模块
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1. |
Replace the thermal management integrated module with a new one and check whether the fault code and symptoms are eliminated.更换新的热管理集成模块，检查故障码及症状是否排除。
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Are the test results normal?检查结果是否正常？
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Yes是 |
Fault resolved.故障排除。 |
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No否 |
Look for causes from other symptoms.从其他症状查找原因。 |
Caution:注意： |
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♦
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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。 |
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P201501 - TroubleshootingP201501-故障诊断