Engine Controls Schematics. Buick LeSabre 2000

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2000 🢒 LeSabre 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Engine Controls Schematics

Figure 1:	IGN Switch, PCM Feeds Engine Controls Components Powertrain Control Module Description MIL, Data Link Feed IGN-1 Relay, TRANS, DIS, OXY SEN and IGN 1 Fuses (Underhood Fuse Block) Ignition Switch (1 of 2) Handling ESD Sensitive Parts Notice G104 and G105
Figure 2:	MIL, Data Link Feed Engine Controls Components Information Sensors/Switches Description IC Module, CMP and CKP Sensors IGN Switch, PCM Feeds IP, CIGAR, AUX PWR, and C/LTR Fuses and CIGAR Relay IP, CIGAR, AUX PWR, and C/LTR Fuses and CIGAR Relay PCM, IPC, Inputs Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Serial Data Class 2
Figure 3:	IC Module, CMP and CKP Sensors Engine Controls Components Electronic Ignition (EI) System Description Fuel Pump and Relay MIL, Data Link Feed Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice IGN-1 Relay, TRANS, DIS, OXY SEN and IGN 1 Fuses (Underhood Fuse Block) Handling ESD Sensitive Parts Notice
Figure 4:	Fuel Pump and Relay Engine Controls Components Fuel System Description Fuel Injectors IC Module, CMP and CKP Sensors HVAC BLO and AUDIO AMP Fuses, RAP and F/PMP Relays (Rear Fuse Block) G401 (2 of 2) G302 Handling ESD Sensitive Parts Notice
Figure 5:	Fuel Injectors Engine Controls Components Fuel Metering System Component Description Sensors Fuel Pump and Relay START 1 Relay, INJR 2, PCM IGN, CR CONT, and INJR 1 Fuses (UnDERhood Fuse Block) Handling ESD Sensitive Parts Notice
Figure 6:	Sensors Engine Controls Components Information Sensors/Switches Description Fuel Tank Pressure Sensor, EVAP Canister Vent Solenoid Fuel Injectors Fuel Tank Pressure Sensor, EVAP Canister Vent Solenoid Fuel Tank Pressure Sensor, EVAP Canister Vent Solenoid Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 7:	Fuel Tank Pressure Sensor, EVAP Cansiter Vent Solenoid Engine Controls Components Fuel System Description HO2S 1, HO2S 2 Sensors Battery Feed to the Rear Fuse Block Sensors Sensors Handling ESD Sensitive Parts Notice
Figure 8:	HO2S 1, HO2S 2 Engine Controls Components Information Sensors/Switches Description Fuel Tank Pressure Sensor, EVAP Canister Vent Solenoid IAC Valve, MAF and Knock Sensors Handling ESD Sensitive Parts Notice IGN-1 Relay, TRANS, DIS, OXY SEN and IGN 1 Fuses (Underhood Fuse Block) G100 and G102
Figure 9:	IAC Valve, MAF and Knock Sensors Engine Controls Components Knock Sensor (KS) System Description Cruise Control Module and VSS HO2S 1, HO2S 2 IGN-1 Relay, TRANS, DIS, OXY SEN and IGN 1 Fuses (Underhood Fuse Block) G104 and G105 Handling ESD Sensitive Parts Notice
Figure 10:	Cruise Control Module and VSS Engine Controls Components Information Sensors/Switches Description Secondary Air Bypass Valve, EGR Valve IAC Valve, MAF and Knock Sensors CCM, PCM Controls and Vehicle Speed Input Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice
Figure 11:	Secondary Air Bypass Valve, EGR Valve Engine Controls Components Evaporative Emission Control System Operation Description Generator, EBCM, Oil level and Auto Trans Shift Lock Control Switches Cruise Control Module and VSS IGN-1 Relay, TRANS, DIS, OXY SEN and IGN 1 Fuses (Underhood Fuse Block) Handling ESD Sensitive Parts Notice
Figure 12:	Generator, EBCM, Oil level and Auto Trans Shift Lock Control Switches Engine Controls Components Powertrain Control Module Controlled Generator Description A/C Clutch and Relay Secondary Air Bypass Valve, EGR Valve Handling ESD Sensitive Parts Notice G104 and G105 G200 (1 of 2) Handling ESD Sensitive Parts Notice
Figure 13:	A/C Clutch and Relay Engine Controls Components Powertrain Control Module Controlled Air Conditioning Description Air Pump Motor and Vacuum Valve Solenoid, NC8 Only Generator, EBCM, Oil level and Auto Trans Shift Lock Control Switches START Circuit Breaker, START, HORN and A/C CLUTCH Relay, HORN and A/C CLU Fuses (Underhood Fuse Block) G100 and G102 Handling ESD Sensitive Parts Notice
Figure 14:	Air Pump Motor and Vacuum Valve Solenoid, NC8 Only Engine Controls Components A/C Clutch and Relay OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice AIR PUMP and ACCY Relays, AIR, C/LTR, AUX PWR, WSW and ACCY Fuses (Underhood Fuse Block) IGN-1 Relay, TRANS, DIS, OXY SEN and IGN 1 Fuses (Underhood Fuse Block) G104 and G105