Section 85 (Engine Controls And Fuel - 4.3L (LV1) - Engine Controls Schematics)
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic and Routing Diagrams
- Engine Controls Wiring Schematics
- Power, Ground, Serial Data and MIL
- 5V1 and Low Reference Bus (1 of 2)
- 5V2, 5V3, 5V4, and Low Reference Bus (2 of 2)
- Engine Data Sensors - Pressure, Temperature and Throttle Controls
- Engine Data Sensors - Oxygen Sensors
- Engine Data Sensors - Accelerator Pedal Position Sensor
- Ignition Controls - Ignition Coils Bank 1
- Ignition Controls - Ignition Coils Bank 2
- Ignition Controls - Crankshaft Position, Camshaft Position, Knock Sensors and Camshaft Position Actuator
- Fuel Controls - Fuel Pump Control
- Fuel Controls - Fuel Injectors and Fuel Pressure
- Fuel Controls - Evaporative Emissions Controls
- Controlled/Monitored Subsystem References
- Engine Controls Wiring Schematics