Have previously removed trim etc. to gain access to what I thought was the relay on the right hand side of engine bay. All I found was a rectangular electrical box approx. 6 inches square which I assumed was the engine management module. Are the relays in here and could you confirm the function of this air pump please.
Thanks for the reply Matt. Forgive my ignorance but are you saying the relays as shown in your diagram are inside the steel box that I previously found.