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 Powertrain Control Module Description Control Module References 5 Volt and Low Reference
Figure 2:	5 - Volt and Low Reference Master Electrical Component List Powertrain Control Module Description Control Module References Engine Data Sensors - Pressure, and Temperature Module Power, Ground, Serial Data, and MIL
Figure 3:	Engine Data Sensors - Pressure, and Temperature Master Electrical Component List Powertrain Control Module Description Control Module References MAF, VSS 5 Volt and Low Reference
Figure 4:	Engine Data Sensors - Electronic Throttle Controls Master Electrical Component List Throttle Actuator Control (TAC) System Description Control Module References Ignition Controls - CKP, CMP, and Knock Sensors Engine Data Sensors - HO2S
Figure 5:	Engine Data Sensors - HO2S Master Electrical Component List Powertrain Control Module Description Control Module References Engine Data Sensors - Electronic Throttle Controls MAF, VSS
Figure 6:	Ignition Controls - CKP, CMP, and Knock Sensors Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Fuel Pump Controls Engine Data Sensors - Electronic Throttle Controls
Figure 7:	Fuel Controls - Fuel Injectors, and Fuel Pump Controls Master Electrical Component List Fuel System Description Control Module References Fuel Controls - EVAP, EGR, and FTP Controls Fuel Pump Controls
Figure 8:	Fuel Controls - EVAP, EGR, and FTP Controls Master Electrical Component List Exhaust Gas Recirculation (EGR) System Description Control Module References Air Controls - NU6 Fuel Controls - Fuel Injectors, and Fuel Pump Controls
Figure 9:	AIR Controls (NU6) Master Electrical Component List Secondary Air Injection System Description Control Module References Monitored/Controlled Subsystem References Fuel Controls - EVAP, EGR, and FTP Controls
Figure 10:	Monitored/Controlled Subsystem References Master Electrical Component List Powertrain Control Module Description Control Module References A/T Control References Air Controls - NU6
Figure 11:	Automatic Transmission Monitored/Controlled Subsystem References Master Electrical Component List Powertrain Control Module Description Control Module References Monitored/Controlled Subsystem References