BYD Sealion 06 EV: Front Windshield Heating Fault Diagnosis

Diagnosing a front windshield heating fault on the BYD Sealion 06 EV requires accurate identification of the heating circuit, power supply, control signals, switches, and related components. The BYD Sealion 06 EV Wiring Diagram helps you to correctly identify and trace the relevant front windshield heating connections, helping you systematically investigate a heating fault.

This diagram helps answer these questions​

1. Why is the BYD Sealion 06 EV front windshield heating not working?
2. How do you diagnose a BYD Sealion 06 EV front windshield heating fault?
3. How do you test the front windshield heating circuit?
4. How do you check the power supply to the BYD Sealion 06 EV front windshield heating system?
5. How do you diagnose the front windshield heating control circuit?
6. How do you identify the wiring for the BYD Sealion 06 EV front windshield heating system?
7. Which circuit diagram is needed to diagnose a BYD Sealion 06 EV front windshield heating fault?

How to Access the Diagram​

To access the wiring diagram, simply click on the link below. Within the diagram, you will find the front windshield heating system 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.