Engine Controls Schematics. Buick LaCrosse 2008

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2008 🢒 LaCrosse 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Engine Controls Schematics

Figure 1:	Module Power, Ground, Serial Data, and MIL Master Electrical Component List Engine Control Module Description Control Module References 5-Volt and Low Reference 2 of 2
Figure 2:	5-Volt and Low Reference 1 of 2 Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Pressure, Temperature, and Throttle Control 5-Volt and Low Reference 2 of 2
Figure 3:	5-Volt and Low Reference 2 of 2 Master Electrical Component List Engine Control Module Description Control Module References 5-Volt and Low Reference 1 of 2 Module Power, Ground, Serial Data, and MIL
Figure 4:	Engine Data Sensors - Pressure, Temperature, and Throttle Control Master Electrical Component List Engine Control Module Description Control Module References MAF, VSS, and Stop Lamp Switch 5-Volt and Low Reference 1 of 2
Figure 5:	Engine Data Sensors - HO2S Master Electrical Component List Engine Control Module Description Control Module References Electronic Throttle Controls MAF, VSS, and Stop Lamp Switch
Figure 6:	Ignition Controls - Ignition System Coils 1, 3, and 5 Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Ignition Controls - Ignition System Coils 2, 4, and 6 Electronic Throttle Controls
Figure 7:	Ignition Controls - Ignition System Coils 2, 4, and 6 Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Ignition Controls - Knock and CKP Sensors Ignition Controls - Ignition System Coils 1, 3, and 5
Figure 8:	Ignition Controls - CMP Sensors and Solenoids Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Fuel Controls - Fuel Injectors and Fuel Pump Controls Ignition Controls - Knock and CKP Sensors
Figure 9:	Ignition Controls - Knock and CKP Sensors Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Ignition Controls - CMP Sensors and Solenoids Ignition Controls - Ignition System Coils 2, 4, and 6
Figure 10:	Fuel Controls - Fuel Injectors and Fuel Pump Controls Master Electrical Component List Fuel System Description Control Module References Fuel Controls - EVAP Controls Ignition Controls - CMP Sensors and Solenoids
Figure 11:	Fuel Controls - EVAP Controls Master Electrical Component List Evaporative Emission Control System Description Control Module References Monitored/Controlled Subsystem References Fuel Controls - Fuel Injectors and Fuel Pump Controls
Figure 12:	Monitored/Controlled Subsystem References Master Electrical Component List Engine Control Module Description Control Module References Fuel Controls - EVAP Controls