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Engine Controls Schematics

Fig 1: ECM Power, Ground, Serial Data & MIL Schematic
GM1467900Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Data Sensors - 5-Volt References Circuit Wiring Schematic
GM1452746Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Data Sensors - Low References Circuit Wiring Schematic
GM1458115Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Data Sensors - Temperature, VSS, MAF & Extended Brake Travel Switch Schematic
GM1485862Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Data Sensors - HO2 Sensors Circuit Wiring Schematic
GM1254380Courtesy of GENERAL MOTORS CORP.
Fig 6: Electronic Throttle Controls Circuit Wiring Schematic
GM1465160Courtesy of GENERAL MOTORS CORP.
Fig 7: Ignition System Circuit Wiring Schematic
GM1254396Courtesy of GENERAL MOTORS CORP.
Fig 8: Ignition Control Sensors Circuit Wiring Schematic
GM1254402Courtesy of GENERAL MOTORS CORP.
Fig 9: Fuel Controls Schematic - Fuel Pump & Fuel Injector Controls
GM1458123Courtesy of GENERAL MOTORS CORP.
Fig 10: Fuel Controls Schematic - EVAP Controls
GM1429609Courtesy of GENERAL MOTORS CORP.
Fig 11: Controlled/Monitored Subsystem References Circuit Wiring Schematic
GM1254424Courtesy of GENERAL MOTORS CORP.