Where is the AC relay on a 2009 Honda Accord? (video)
https://www.youtube.com/watch?v=vs0OXxT1AP4
How do you troubleshoot a relay switch? (video)
https://www.youtube.com/watch?v=clSSwXeezDo
Why is my AC not working in my 2010 Honda Accord?
The most common reasons a Honda Accord ac isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. You may not realize there's a refrigerant leak until the air conditioner stops blowing cold. via
Where is the blower motor on a 2009 Honda Accord? (video)
https://www.youtube.com/watch?v=LPKkprkrq8Y
How do you test a relay board? (video)
https://www.youtube.com/watch?v=Js6nfDPHXO0
How do you diagnose a bad contactor? (video)
https://www.youtube.com/watch?v=mtmpdHj09OA