DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308: Random/Multiple Cylinder Misfire Detected; Cylinder 1 Misfire Detected; Cylinder 2 Misfire Detected; Cylinder 3 Misfire Detected; Cylinder 4 Misfire Detected; Cylinder 5 Misfire Detected; Cylinder 6 Misfire Detected; Cylinder 7 Misfire Detected; Cylinder 8 Misfire Detected: Wiring Diagram
WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.