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Engine Controls Schematics

Fig 1: Module Power, Ground, Serial Data, Malfunction Indicator Lamp (MIL)
GM1956539Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - Pressure and Temperature
GM1956540Courtesy of GENERAL MOTORS CORP.
Fig 3: Oxygen Sensors (O2S)
GM1956541Courtesy of GENERAL MOTORS CORP.
Fig 4: Ignition System
GM1956542Courtesy of GENERAL MOTORS CORP.
Fig 5: CMP, CKP, Knock, Rough Road Sensors, Power Steering Pressure Switch
GM1956543Courtesy of GENERAL MOTORS CORP.
Fig 6: Engine Data Sensors - Main Throttle Intake Actuator (MTIA)
GM1956544Courtesy of GENERAL MOTORS CORP.
Fig 7: Fuel Pump Controls and Fuel Injectors
GM1956545Courtesy of GENERAL MOTORS CORP.
Fig 8: Intake Manifold Tuning Valve, EVAP, EGR, Octane Selection Switch
GM1956546Courtesy of GENERAL MOTORS CORP.
Fig 9: Controlled/Monitored Subsystem References
GM1956547Courtesy of GENERAL MOTORS CORP.