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Engine Controls/fuel - 2.4l - Wiring Schematic Diagrams Buick LaCrosse II

Testing & Diagnostics 12 illustrations

Scheme 86

Scheme 86: Module Power, Ground, Serial Data And MIL

Scheme 87

Scheme 87: 5V1 And Low Reference Bus (1 Of 2)

Scheme 88

Scheme 88: 5V2, 5V3, 5V4 And Low Reference Bus (2 Of 2)

Scheme 89

Scheme 89: Engine Data Sensors - Pressure, Temperature And Throttle Controls

Scheme 90

Scheme 90: Engine Data Sensors - Oxygen Sensors

Scheme 91

Scheme 91: Ignition Controls - Ignition System

Scheme 92

Scheme 92: Ignition Controls - Camshaft Solenoids, Camshaft, Crankshaft And Knock Sensors

Scheme 93

Scheme 93: Fuel Controls - Fuel Injectors And Fuel Pressure

Scheme 94

Scheme 94: Fuel Controls - Fuel Pump Controls

Scheme 95

Scheme 95: Fuel Controls - Evaporative Emission Controls

Scheme 96

Scheme 96: Secondary Air Injection (NU6)

Scheme 97

Scheme 97: Controlled/Monitored Subsystem References