| Figure 1: | Power, Ground, Serial Data, and MIL |
| Figure 2: | 5V1, 5V2, and Low Reference Bus (1 of 2) |
| Figure 3: | Low Reference Bus (2 of 2) |
| Figure 4: | Engine Data Sensors - Pressure, Temperature, and Throttle Controls |
| Figure 5: | Engine Data Sensors - Oxygen Sensors |
| Figure 6: | Ignition Controls - Ignition System |
| Figure 7: | Ignition Controls - Camshaft, Crankshaft, and Knock Sensors, Camshaft Actuators |
| Figure 8: | Fuel Controls - Fuel Injectors |
| Figure 9: | Fuel Controls -- Fuel Pump Controls |
| Figure 10: | Fuel Controls - Evaporative Emission, Fuel Composition, and Fuel Economy Controls |
| Figure 11: | Controlled/Monitored Subsystem References |
