BYD Sealion 06 EV: Steering Wheel Heating Fault Diagnosis

The OEM Wiring Diagram provides the complete steering wheel heating circuit, allowing you to identify and trace the heating elements, switch, power supply, ground, and control connections when diagnosing the steering wheel heating fault. Troubleshooting a steering wheel heating fault without the wiring diagram can make it difficult to correctly identify and test the relevant circuits.

This diagram helps answer these questions​

1. Why is the BYD Sealion 06 EV heated steering wheel not working?
2. How do you diagnose a BYD Sealion 06 EV steering wheel heating fault?
3. How do you test the steering wheel heating element circuit?
4. How do you test the steering wheel heating switch circuit?
5. How do you check the power supply to the steering wheel heating system?
6. How do you diagnose the steering wheel heating control circuit?
7. What circuit diagram is needed to diagnose a BYD Sealion 06 EV heated steering wheel fault?

How to Access the Diagram​

To access the wiring diagram, simply click on the link below. Within the diagram, you will find the steering wheel heating 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.