Engine Controls Schematics. Buick Lucerne 2007

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2007 🢒 Lucerne 🢒 Engine 🢒 Engine Controls and Fuel - 3.8L 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, MIL and DLC Master Electrical Component List Powertrain Control Module Description Control Module References Engine Data Sensors - 5V Reference Bussing Underhood Fuse Block B+ AIR PUMP, AIR/SOL, A/C, COOL/FAN 2, COOL/FAN, COOL/FAN 1 Relays, INJ/COIL, OXY PST Fuses Underhood Fuse Block B+ Rear Fuse Block B+ Underhood Fuse Block B+ Underhood Fuse Block B+ RUN/CRANK Relay, TRANS IGN 3, AIRBAG IGN 3, HVAC/IPC, ECM IGN 3 Fuses IGN SWTCH, STR/WHL/ILLUM Fuses Engine Data Sensors - Pressure, Temp, and MAF/IAT PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses G112 (L26) High Speed Serial Data G112 (L26)
Figure 2:	Engine Data Sensors, 5-Volt Reference Bussing Master Electrical Component List Powertrain Control Module Description Control Module References Engine Data Sensors - Pressure, Temp, and MAF/IAT Power, Ground, and DLC
Figure 3:	Engine Data Sensors - Pressure, Temp and MAF/IAT Master Electrical Component List Powertrain Control Module Description Control Module References Engine Data Sensors, HO2s Engine Data Sensors - 5V Reference Bussing Power, Ground, and DLC G112 (L26)
Figure 4:	Engine Data Sensors, HO2S Master Electrical Component List Powertrain Control Module Description Control Module References Engine Data Sensors - APP and TAC Engine Data Sensors - Pressure, Temp, and MAF/IAT PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses Underhood Fuse Block B+ AIR PUMP, AIR/SOL, A/C, COOL/FAN 2, COOL/FAN, COOL/FAN 1 Relays, INJ/COIL, OXY PST Fuses
Figure 5:	Engine Data Sensors, APP and TAC Master Electrical Component List Throttle Actuator Control (TAC) System Description Control Module References Ignition Controls - CKP, CMP, Knock Sensors Engine Data Sensors, HO2s PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses Underhood Fuse Block B+ Rear Stop/Turn Signal Lamps G112 (L26)
Figure 6:	Ignition Controls, CKP, CMP, Knock Sensors Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Fuel Controls Engine Data Sensors - APP and TAC Underhood Fuse Block B+ G101, G110, G111, G114, G115, G302, G303, G306, G307
Figure 7:	Fuel Controls Master Electrical Component List Fuel System Description Control Module References EVAP Controls, Fuel Pump, FTP Sensor Ignition Controls - CKP, CMP, Knock Sensors Underhood Fuse Block B+
Figure 8:	EVAP Controls, Fuel Pump, FTP Sensor Master Electrical Component List Evaporative Emission Control System Description Control Module References EGR, Secondary Air Injection (AIR) Fuel Controls Rear Fuse Block B+ Engine Data Sensors - 5V Reference Bussing G301 G403 Engine Data Sensors - 5V Reference Bussing
Figure 9:	EGR, Secondary Air Injection (AIR) Master Electrical Component List Secondary Air Injection System Description Control Module References Controlled and Monitored Subsystem References EVAP Controls, Fuel Pump, FTP Sensor Underhood Fuse Block B+ Underhood Fuse Block B+ G101, G110, G111, G114, G115, G302, G303, G306, G307 G112 (L26)
Figure 10:	Controlled/Monitored Subsystem References Master Electrical Component List Powertrain Control Module Description Control Module References Automatic Transmission Controls References EGR, Secondary Air Injection (AIR) Compressor Controls Engine Cooling Schematics Shift Lock Control Schematics Starting 1 of 2 Charging Oil, Fuel Level Oil, Fuel Level
Figure 11:	Automatic Transmission Controls References Master Electrical Component List Powertrain Control Module Description Control Module References Controlled and Monitored Subsystem References Stop Lamp Signal, TFT Sensor and TCC, Shift Solenoids Transmission Internal Mode Switch (IMS) VSS and AT ISS Sensors, Pressure Control Solenoid Valve, and TCC Release Switch