BYD Sealion 06 EV: Passenger Seat Heating Fault Diagnosis

Fixing a passenger seat heating fault on the BYD Sealion 06 requires accurate information about the heating system and its electrical circuits. This makes it essential to refer to the BYD Sealion 06 EV when undertaking repairs, as it provides a useful reference when diagnosing heating-element, controller, switch, and wiring faults.

This diagram helps answer these questions​

1. Why is the passenger seat heating not working on the BYD Sealion 06 EV?
2. How do you diagnose a passenger seat heating fault on the BYD Sealion 06 EV?
3. How do you test the passenger seat heating circuit?
4. How do you check the passenger seat heating element?
5. How do you check the passenger seat heating controller?
6. How do you test the passenger seat heating switch?
7. What wiring should be checked when the passenger seat heating fails?
8. Which circuit diagram is needed to diagnose the passenger seat heating system?

How to Access the Diagram​

To access the wiring diagram, simply click on the link below. Within the diagram, you will find the Sitting Passenger Seat Ventilation and Heating 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.