FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

System Diagram




Engine Controls Schematics (LFX)

Module 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






Ignition Controls - Bank 1 Ignition System






Ignition Controls - Bank 2 Ignition System






Ignition Controls - Camshaft Solenoids, Camshaft, Crankshaft and Knock Sensors






Fuel Controls - Fuel Injectors and Fuel Pressure






Fuel Controls - Fuel Pump Flow Control






Fuel Controls - Evaporative Emission Controls






Controlled/Monitored Subsystem References