Engine Controls Schematics. Buick Century 2003

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2003 🢒 Century 🢒 Engine 🢒 Engine Controls - 3.1L 🢒 Engine Controls Schematics

Figure 1:	Module Power, Ground, Serial Data, and MIL Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - 5 Volt and Low Reference OBD II Symbol Description Notice Fuse Block-Underhood IGN 1 Fuse Fuse Block-Underhood IGN 1 Fuse Fuse Block-I/P CRANK SIGNAL, BCM, CLUSTER, IGN 0:CLUSTER, PCM and BCM, and PARK LOCK Fuses Fuse Block-Underhood B+ Buss Fuse Block-I/P Turn Signals,Corn Lps,Air Bag,Cluster,PCM,BCM U/H Relay Fuses,Fuse Block-U/H Crank, IGN Main Relays G100, G113, and G171 Data Link Connector (DLC) Schematics
Figure 2:	Engine Data Sensors - 5-Volt and Low Reference Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - Pressure and Temperature Module Power, Ground, Serial Data and MIL OBD II Symbol Description Notice
Figure 3:	Engine Data Sensors - Pressure and Temperature Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - MAF, VSS Engine Data Sensors - 5 Volt and Low Reference OBD II Symbol Description Notice
Figure 4:	Engine Data Sensors - MAF, VSS Master Electrical Component List Powertrain Control Module Description Oxygen Sensors Engine Data Sensors - Pressure and Temperature OBD II Symbol Description Notice Fuse Block-Underhood B+ Buss Fuse Block-Underhood ENG EMIS Fuse G100, G113, and G171 G100, G113, and G171 Gages Fluid Pressure Manual Valve Position Switch, ISS Sensor, and VSS Engine Controls Schematic Icons
Figure 5:	Oxygen Sensors Master Electrical Component List Powertrain Control Module Description Ignition Control Module Engine Data Sensors - MAF, VSS OBD II Symbol Description Notice Fuse Block-Underhood B+ Buss G100, G113, and G171
Figure 6:	Ignition Control Module Master Electrical Component List Electronic Ignition (EI) System Description Fuel Pump Controls Oxygen Sensors OBD II Symbol Description Notice Fuse Block-Underhood B+ Buss Engine Controls Schematic Icons G101 and G111
Figure 7:	Fuel Pump Controls Master Electrical Component List Fuel System Description Fuel Injectors Ignition Control Module OBD II Symbol Description Notice Fuse Block-Underhood B+ Buss G100, G113, and G171 G402, Page 1 of 2 Gages G100, G113, and G171
Figure 8:	Fuel Injectors Master Electrical Component List Fuel System Description EVAP Controls and FTP Sensor Fuel Pump Controls OBD II Symbol Description Notice Fuse Block-Underhood B+ Buss
Figure 9:	EVAP Controls and FTP Sensor Master Electrical Component List Evaporative Emission Control System Description AIR, EGR, IAC Controls Fuel Injectors OBD II Symbol Description Notice Fuse Block-Underhood B+ Buss Fuse Block-Underhood ENG EMIS Fuse Gages Compressor Controls Engine Electrical System - Starting System LG5
Figure 10:	AIR, EGR, and IAC Controls Master Electrical Component List Exhaust Gas Recirculation (EGR) System Description PCM References - Controlled/Monitored Subsystem EVAP Controls and FTP Sensor OBD II Symbol Description Notice
Figure 11:	PCM References - Controlled/Monitored Subsystem Master Electrical Component List Powertrain Control Module Description PCM References - Transmission Controls AIR, EGR, IAC Controls OBD II Symbol Description Notice Compressor Controls Compressor Controls Compressor Controls Compressor Controls Compressor Controls Engine Cooling Schematics Charging Stop Lamp and Torque Signals Indicators, Page 2 of 2 Cruise Control Schematics Starting
Figure 12:	PCM References - Transmission Controls Master Electrical Component List Powertrain Control Module Description PCM References - Controlled/Monitored Subsystem OBD II Symbol Description Notice Solenoid Controls and TFT Sensor Fluid Pressure Manual Valve Position Switch, ISS Sensor, and VSS Internal Mode Switch (IMS) Fluid Pressure Manual Valve Position Switch, ISS Sensor, and VSS