Our reference material doesn't give us troubleshooting steps for components or systems like this without trouble codes. But, looking through some of them and the diagnostic steps for them, the relay and switch issue is what I was able to come up with.
Having a trouble code gives us a better idea of where to look.
The attached image shows where the Suspension ECU is located.
Monday, January 2nd, 2012 AT 11:53 PM