BYD Sealion 06 EV: Air Conditioning System Electrical Fault Diagnosis (2025 onwards)

Troubleshooting the BYD Sealion 06 EV's air conditioning system electrical fault can be very challenging. However, if you refer to the OEM wiring diagram, you will get the air-conditioning system circuit diagram wich will help you to trace the system-specific power, communication, sensor and actuator circuits.

This diagram helps answer these questions​

1. How do you diagnose a BYD Sealion 06 EV air-conditioning electrical fault?
2. What circuits should be checked when diagnosing a BYD Sealion 06 EV air-conditioning fault?
3. How do you test the power circuits in the BYD Sealion 06 EV air-conditioning system?
4. How do you diagnose communication circuits in the BYD Sealion 06 EV air-conditioning system?
5. How do you test the air-conditioning system sensor circuits?
6. How do you diagnose actuator circuits in the BYD Sealion 06 EV air-conditioning system?
7. What circuit diagram is needed to diagnose a BYD Sealion 06 EV air-conditioning electrical fault?

How to Access the Diagram​

To access the BYD Sealion 06 EV wiring diagram, click on the link below. Within the document, you will find the air-conditioning system circuit diagram. I have attached a screenshot below to help you quickly navigate to the section where the diagram is located. Once you find it, you can then print or save it.

Please note that the year in the document is not the YOM but the document release date, so it covers the entire model range. Also note that the document applies to all countries where the model is sold, including China, South Africa, Singapore, the UK, Australia, New Zealand, Thailand, Brazil, Canada, etc.