Engine Controls Schematics. Buick LeSabre 2001

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2001 🢒 LeSabre 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Engine Controls Schematics

Figure 1:	IGN Switch, PCM Feeds Master Electrical Component List Electronic Ignition (EI) System Description MIL, Data Link Feed G104 and G105 Start 1 Relay, INJR 2, PCM IGN, CR CONT and INJR 1 Fuses High Beam and Low Beam Relays, ABS, PCM Batt, High Beam and Low Beam Fuses (Underhood Fuse Block) Battery Feed to the Underhood Fuse Block
Figure 2:	MIL, Data Link Feed Master Electrical Component List Powertrain Control Module Description IC Module CMP and CKP Sensors IGN Switch, PCM Feeds Engine Controls Schematic Icons Serial Data Class 2 PCM, IPC Inputs IP, CIGAR, AUX PWR and C/LTR Fuses, and CIGAR Relay IP, CIGAR, AUX PWR and C/LTR Fuses, and CIGAR Relay
Figure 3:	IC Module CMP and CKP Sensors Master Electrical Component List Electronic Ignition (EI) System Description Fuel Pump and Relay MIL, Data Link Feed OBD II Symbol Description Notice IGN-1 Relay, Transmission, DIS, OXY SEN, and IGN 1-Fuses
Figure 4:	Fuel Pump and Relay Master Electrical Component List Fuel System Description IC Module CMP and CKP Sensors IC Module CMP and CKP Sensors OBD II Symbol Description Notice G300 and G302 G401 (2 of 2) Battery Feed to the Rear Fuse Block
Figure 5:	Fuel Injectors Master Electrical Component List Fuel System Description Sensors Fuel Pump and Relay OBD II Symbol Description Notice Start 1 Relay, INJR 2, PCM IGN, CR CONT and INJR 1 Fuses
Figure 6:	Sensors Master Electrical Component List Electronic Ignition (EI) System Description Fuel Tank Pressure Sensor, EVAP Canister Vent Solenoid Fuel Injectors OBD II Symbol Description Notice Fuel Tank Pressure Sensor, EVAP Canister Vent Solenoid Fuel Tank Pressure Sensor, EVAP Canister Vent Solenoid
Figure 7:	Fuel Tank Pressure Sensor, EVAP Canister Vent Solenoid Master Electrical Component List Fuel System Description HO2S1, HO2S2 Sensors OBD II Symbol Description Notice Sensors Sensors IGN-1, VENT SOL and SIR Fuses (Rear Fuse Block)
Figure 8:	HO2S1, HO2S2 Master Electrical Component List Exhaust Gas Recirculation (EGR) System Description IAC Valve, MAF and Knock Sensors Fuel Tank Pressure Sensor, EVAP Canister Vent Solenoid OBD II Symbol Description Notice G100 and G102 IGN-1 Relay, Transmission, DIS, OXY SEN, and IGN 1-Fuses
Figure 9:	IAC Valve, MAF and Knock Sensors Master Electrical Component List Knock Sensor (KS) System Description Cruise Control Module and VSS HO2S1, HO2S2 OBD II Symbol Description Notice IGN-1 Relay, Transmission, DIS, OXY SEN, and IGN 1-Fuses IGN-1 Relay, Transmission, DIS, OXY SEN, and IGN 1-Fuses
Figure 10:	Cruise Control Module and VSS Master Electrical Component List Electronic Ignition (EI) System Description Generator, EBCM, Oil Level and Automatic Transmission Shift Lock Control Switches IAC Valve, MAF and Knock Sensors OBD II Symbol Description Notice
Figure 11:	Generator, EBCM, Oil Level and Automatic Transmission Shift Lock Control Switches Master Electrical Component List Electronic Ignition (EI) System Description A/C Clutch and Relay Cruise Control Module and VSS Diagnostic Starting Point - Automatic Level Control G200 (1 of 2) G104 and G105
Figure 12:	A/C Clutch and Relay Master Electrical Component List Cooling System Description and Operation Air Pump Motor and Vacuum Valve Solenoid, NC8 Only Cruise Control Module and VSS OBD II Symbol Description Notice G100 and G102 Battery Feed to the Underhood Fuse Block
Figure 13:	Air Pump Motor and Vacuum Valve Solenoid, NC8 Only Master Electrical Component List Secondary Air Injection System Description Secondary Air Bypass Valve, EGR Valve A/C Clutch and Relay OBD II Symbol Description Notice IGN-1 Relay, Transmission, DIS, OXY SEN, and IGN 1-Fuses G100 and G102 AIR PUMP and ACCY Relays, AIR, C/LTR, AUX PWR, WSW, and ACCY Fuses IGN-1 Relay, Transmission, DIS, OXY SEN, and IGN 1-Fuses
Figure 14:	Secondary Air Bypass Valve, EGR Valve Master Electrical Component List Evaporative Emission Control System Description Air Pump Motor and Vacuum Valve Solenoid, NC8 Only OBD II Symbol Description Notice IGN-1 Relay, Transmission, DIS, OXY SEN, and IGN 1-Fuses IGN-1 Relay, Transmission, DIS, OXY SEN, and IGN 1-Fuses