Unfortunately, the way they break down the wiring diagrams is by system or component. So for example, here is the wiring diagram for the cluster and related components. This means getting you the under dash wiring would be quite a bit so it would be better if you tell us what system you are working on if not the cluster and we can provide that diagram.
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.