Engine Controls Schematics (LS3)

Fig 1: ECM Power, Ground, MIL, & Serial Data Circuit Schematic

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Fig 2: 5-Volt Reference Bussing Circuit Schematic

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Fig 3: Low Reference Bussing Circuit Schematic

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Fig 4: IAT/MAF, MAP, ECT Sensors, VSS & Stop Lamp Signals Circuit Schematic

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Fig 5: Heated Oxygen Sensors Circuit Schematic

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Fig 6: Electronic Throttle Controls Circuit Schematic

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Fig 7: Fuel Injectors & Fuel Pump Controls Circuit Schematic

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Fig 8: EVAP Solenoids & FTP Sensor Circuit Schematic

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Fig 9: Ignition Controls Bank 1 (Odd) Ignition Coils Circuit Schematic

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Fig 10: Ignition Controls Bank 2 (Even) Ignition Coils Circuit Schematic

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Fig 11: Ignition Controls - CMP, CKP & KS Sensors Circuit Schematic

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Fig 12: Controlled/Monitored Subsystem References Circuit Schematic

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