Engine Controls Schematics. Buick Lucerne 2007

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2007 🢒 Lucerne 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Engine Controls Schematics

Figure 1:	Power, Ground, MIL and DLC Master Electrical Component List Engine 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+ RUN/CRANK Relay, TRANS IGN 3, AIRBAG IGN 3, HVAC/IPC, ECM IGN 3 Fuses Engine Data Sensors - Pressure, Temp, and MAF/IAT MSM/RT FRT PWR SEAT, MSM/LT FRT PWR SEAT, MSM Circuit Breakers, ECM/TCM, MSM LOGIC/RF MASSAGE Fuses G100, G112 (LD8) High Speed Serial Data G100, G112 (LD8)
Figure 2:	Engine Data Sensors, 5-Volt Reference Bussing Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - Pressure, Temp, and MAF/IAT Power, Ground, MIL, and DLC
Figure 3:	Engine Data Sensors - Pressure, Temp and MAF/IAT Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - HO2S Engine Data Sensors - 5V Reference Bussing Power, Ground, MIL, and DLC G100, G112 (LD8)
Figure 4:	Engine Data Sensors, HO2S Master Electrical Component List Engine Control Module Description Control Module References Engine Data Sensors - APP and Throttle Body Assembly 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 Throttle Body Assembly Master Electrical Component List Throttle Actuator Control (TAC) System Description Control Module References Ignition Controls, 1 of 2 Engine Data Sensors - HO2S
Figure 6:	Ignition Controls - 1 of 2 Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Ignition Controls, 2 of 2 Engine Data Sensors - APP and Throttle Body Assembly Underhood Fuse Block B+ PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses G100, G112 (LD8)
Figure 7:	Ignition Controls - 2 of 2 Master Electrical Component List Electronic Ignition (EI) System Description Control Module References Fuel Controls Ignition Controls, 1 of 2 Underhood Fuse Block B+ AIR PUMP, AIR/SOL, A/C, COOL/FAN 2, COOL/FAN, COOL/FAN 1 Relays, INJ/COIL, OXY PST Fuses G100, G112 (LD8)
Figure 8:	Fuel Controls Master Electrical Component List Fuel System Description Control Module References CKP, CMP, Knock Sensors Ignition Controls, 2 of 2 PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses AIR PUMP, AIR/SOL, A/C, COOL/FAN 2, COOL/FAN, COOL/FAN 1 Relays, INJ/COIL, OXY PST Fuses Underhood Fuse Block B+ G301 G403 Engine Data Sensors - 5V Reference Bussing
Figure 9:	CKP, CMP, Knock Sensors Master Electrical Component List Engine Control Module Description Control Module References EVAP Controls Fuel Controls Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons Engine Controls Schematic Icons
Figure 10:	EVAP Controls Master Electrical Component List Evaporative Emission Control System Description Control Module References EGR, Secondary Air Injection (AIR) CKP, CMP, Knock Sensors Underhood Fuse Block B+ PWR/TRAIN, AIR PUMP, AIR/SOL Relays, ECM/CRNK, INJ/COIL, PWR TRN, AIR PUMP, AIR/SOL Fuses Rear Fuse Block B+ Engine Data Sensors - 5V Reference Bussing
Figure 11:	EGR, Secondary Air Injection (AIR) Master Electrical Component List Secondary Air Injection System Description Control Module References Controlled and Monitored Subsystem References EVAP Controls Underhood Fuse Block B+ G101, G110, G111, G114, G115, G302, G303, G306, G307
Figure 12:	Controlled/Monitored Subsystem References Master Electrical Component List Engine Control Module Description Control Module References EGR, Secondary Air Injection (AIR) TCM Power and Ground Starting 1 of 2 Charging Engine Cooling Schematics Shift Lock Control Schematics Oil, Fuel Level Compressor Controls Rear Stop/Turn Signal Lamps