Engine Controls Schematics. Buick Regal 2003

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2003 🢒 Regal 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, MIL and Serial Data 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-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 Power, Ground, MIL, and Serial Data 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 Fuse Block-Underhood B+ Buss Fuse Block-Underhood ENG EMIS Fuse
Figure 4:	Engine Data Sensors - MAF, VSS Master Electrical Component List Powertrain Control Module Description Engine Data Sensors - HO2S 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:	Engine Data Sensors -- HO2S Master Electrical Component List Powertrain Control Module Description Ignition Controls Engine Data Sensors - MAF, VSS OBD II Symbol Description Notice Fuse Block-Underhood B+ Buss G100, G113, and G171
Figure 6:	Ignition Controls Master Electrical Component List Electronic Ignition (EI) System Description Fuel Pump Controls Engine Data Sensors - HO2S OBD II Symbol Description Notice Fuse Block-Underhood B+ Buss
Figure 7:	Fuel Pump Controls Master Electrical Component List Fuel System Description Fuel Injectors Ignition Controls 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 Fuel Controls - EVAP and FTP Fuel Pump Controls OBD II Symbol Description Notice Fuse Block-Underhood B+ Buss
Figure 9:	Fuel Controls -- EVAP and FTP Master Electrical Component List Evaporative Emission Control System Description IAC, EGR Device Controls Fuel Injectors OBD II Symbol Description Notice Fuse Block-Underhood B+ Buss Fuse Block-Underhood ENG EMIS Fuse Gages Compressor Controls Compressor Controls
Figure 10:	IAC, EGR Device Controls Master Electrical Component List Powertrain Control Module Description Controlled/Monitored Subsystem References Fuel Controls - EVAP and FTP OBD II Symbol Description Notice Fuse Block-Underhood B+ Buss Fuse Block-Underhood B+ Buss
Figure 11:	Controlled/Monitored Subsystem References Master Electrical Component List Powertrain Control Module Description Transmission Controls PCM References IAC, EGR Device Controls OBD II Symbol Description Notice Compressor Controls Compressor Controls Compressor Controls Compressor Controls Compressor Controls Engine Cooling Schematics Charging Indicators, Page 2 of 2 Cruise Control Schematics Starting Stop Lamp and Torque Signals
Figure 12:	Automatic Transmission Controls Master Electrical Component List Powertrain Control Module Description Controlled/Monitored Subsystem References OBD II Symbol Description Notice Solenoid Controls and TFT Sensor Internal Mode Switch (IMS) Fluid Pressure Manual Valve Position Switch, ISS Sensor, and VSS Solenoid Controls and TFT Sensor Fluid Pressure Manual Valve Position Switch, ISS Sensor, and VSS