Engine Controls Schematics. Buick LeSabre 1999

For 1990-2009 cars only

Makes 🢒 Buick 🢒 1999 🢒 LeSabre 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Engine Controls Schematics

Figure 1:	Cell 20: PCM Power, Grounds and DLC Engine Controls Components Powertrain Control Module Description Cell 20: MIL Control OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Power Distribution Schematics Power Distribution Schematics Power Distribution Schematics Power Distribution Schematics Power Distribution Schematics Power Distribution Schematics Ground Distribution Schematics Ground Distribution Schematics Data Link Connector Schematics Ground Distribution Schematics Powertrain Control Module Connector End Views
Figure 2:	Cell 20: MIL Control Engine Controls Components Powertrain Control Module Description Cell 20: Ignition Control Module Cell 20: PCM Power, Grounds and DLC OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Power Distribution Schematics Instrument Cluster: Analog Schematics Pontiac with U50/U2F Instrument Cluster: Analog Schematics Pontiac with UB3 Instrument Cluster: Analog Schematics Oldsmobile Instrument Cluster: Analog Schematics Buick with UB3 Instrument Cluster: Analog Schematics Buick with U23 Power Distribution Schematics Power Distribution Schematics Power Distribution Schematics Instrument Cluster and HUD Connector End Views Powertrain Control Module Connector End Views
Figure 3:	Cell 20: Ignition Control Module Engine Controls Components Powertrain Control Module Description Cell 20: Fuel Control (VIN K) Cell 20: MIL Control OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Power Distribution Schematics Power Distribution Schematics Instrument Cluster: Analog Schematics Pontiac with U50/U2F Instrument Cluster: Analog Schematics Pontiac with UB3 Instrument Cluster: Analog Schematics Buick with UB3 Instrument Cluster: Analog Schematics Oldsmobile Powertrain Control Module Connector End Views
Figure 4:	Cell 20: Fuel Control (VIN K) Engine Controls Components Powertrain Control Module Description Cell 20: Fuel Control (VIN 1) Cell 20: Ignition Control Module OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Power Distribution Schematics Power Distribution Schematics Instrument Cluster: Analog Schematics Buick with UB3 Instrument Cluster: Analog Schematics Pontiac with U50/U2F Instrument Cluster: Analog Schematics Pontiac with UB3 Instrument Cluster: Analog Schematics Buick with U23 Ground Distribution Schematics Ground Distribution Schematics Ground Distribution Schematics Ground Distribution Schematics Ground Distribution Schematics Powertrain Control Module Connector End Views
Figure 5:	Cell 20: Fuel Control (VIN 1) Engine Controls Components Powertrain Control Module Description Cell 20: Fuel Injectors Cell 20: Fuel Control (VIN K) OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Power Distribution Schematics Power Distribution Schematics Power Distribution Schematics Power Distribution Schematics Ground Distribution Schematics Ground Distribution Schematics Ground Distribution Schematics Instrument Cluster: Analog Schematics Pontiac with UB3 Instrument Cluster: Analog Schematics Pontiac with U50/U2F Instrument Cluster: Analog Schematics Buick with U23 Instrument Cluster: Analog Schematics Buick with UB3 Powertrain Control Module Connector End Views
Figure 6:	Cell 20: Fuel Injectors Engine Controls Components Powertrain Control Module Description Cell 20: Sensors Cell 20: Fuel Control (VIN 1) OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Power Distribution Schematics Powertrain Control Module Connector End Views
Figure 7:	Cell 20: Sensors Engine Controls Components Powertrain Control Module Description Cell 20: Heated Oxygen Sensors Cell 20: Fuel Injectors OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 20: EGR Valve, EVAP System Instrument Cluster: Analog Schematics Oldsmobile Instrument Cluster: Analog Schematics Buick with U23 Instrument Cluster: Analog Schematics Buick with UB3 Instrument Cluster: Analog Schematics Pontiac with UB3 Instrument Cluster: Analog Schematics Pontiac with U50/U2F Cell 20: Shift Select Switch Cell 20: Transaxle - Sensors and TR Switch Powertrain Control Module Connector End Views
Figure 8:	Cell 20: Heated Oxygen Sensors Engine Controls Components Powertrain Control Module Description Cell 20: MAF, IAC, Knock Sensors Cell 20: Sensors OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Power Distribution Schematics Power Distribution Schematics Ground Distribution Schematics Powertrain Control Module Connector End Views
Figure 9:	Cell 20: MAF, IAC, Knock Sensors Engine Controls Components Powertrain Control Module Description Cell 20: VSS, Cruise Control Module Cell 20: Heated Oxygen Sensors OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Power Distribution Schematics Power Distribution Schematics Ground Distribution Schematics Powertrain Control Module Connector End Views
Figure 10:	Cell 20: VSS, Cruise Control Module Engine Controls Components Powertrain Control Module Description Cell 20: EGR Valve, EVAP System Cell 20: MAF, IAC, Knock Sensors OBD II Symbol Description Notice Body Control System Connector End Views Instrument Cluster and HUD Connector End Views Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Instrument Cluster: Analog Schematics Buick with UB3 Instrument Cluster: Analog Schematics Buick with U23 Powertrain Control Module Connector End Views
Figure 11:	Cell 20: EGR Valve, EVAP System Engine Controls Components Powertrain Control Module Description Cell 20: Oil Life, Oil Level Switches Cell 20: VSS, Cruise Control Module OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Power Distribution Schematics Power Distribution Schematics Cell 20: Sensors Powertrain Control Module Connector End Views
Figure 12:	Cell 20: Oil Life, Oil Level Switches Engine Controls Components Powertrain Control Module Description Cell 20: Generator, CCR, EBTCM Cell 20: EGR Valve, EVAP System OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Instrument Cluster: Analog Schematics Buick with UB3 Instrument Cluster: Analog Schematics Pontiac with U50/U2F Instrument Cluster: Analog Schematics Buick with U23 Instrument Cluster: Analog Schematics Buick with UB3 Instrument Cluster: Analog Schematics Oldsmobile Instrument Cluster: Analog Schematics Buick with UB3 Instrument Cluster: Analog Schematics Pontiac with U50/U2F Instrument Cluster: Analog Schematics Buick with UB3 Instrument Cluster: Analog Schematics Buick with UB3 Ground Distribution Schematics Ground Distribution Schematics Ground Distribution Schematics Ground Distribution Schematics Powertrain Control Module Connector End Views
Figure 13:	Cell 20: Generator, CCR, EBTCM Engine Controls Components Powertrain Control Module Description Cell 20: Transaxle - Solenoids Cell 20: Oil Life, Oil Level Switches OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 30: VOLT Indicator Controls Powertrain Control Module Connector End Views
Figure 14:	Cell 20: Transaxle -- Solenoids Engine Controls Components Powertrain Control Module Description Cell 20: Transaxle - Sensors and TR Switch Cell 20: Park/Neutral Position (PNP) Switch - Buick/Pontiac OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: ABS/CCR and CLG FAN/TCC Fuses Cell 10: ABS/CCR and CLG FAN/TCC Fuses Cell 34: Multifunction Lever Cell 10: NON OBD II MISC ENG, TCC, and IGN OFF/UNLOCK Fuses Powertrain Control Module Connector End Views
Figure 15:	Cell 20: Transaxle -- Sensors and TR Switch Engine Controls Components Powertrain Control Module Description Cell 20: Park/Neutral Position (PNP) Switch - Buick/Pontiac Cell 20: Transaxle - Solenoids OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 20: Sensors Cell 20: Shift Select Switch Powertrain Control Module Connector End Views
Figure 16:	Cell 20: Park/Neutral Position (PNP) Switch -- Buick/Pontiac Engine Controls Components Powertrain Control Module Description Cell 20: Transaxle - Solenoids Cell 20: Transaxle - Sensors and TR Switch OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 134 Cell 14: G101 (2 of 2) Cell 14: G100, G106, G301, and G101 (1 of 2) Powertrain Control Module Connector End Views Engine Controls Connector End Views
Figure 17:	Cell 20: Park/Neutral Position (PNP) Switch -- Oldsmobile Engine Controls Components Powertrain Control Module Description Cell 20: Shift Select Switch Cell 20: Park/Neutral Position (PNP) Switch - Buick/Pontiac OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Cell 134 Cell 14: G101 (2 of 2) Cell 14: G100, G106, G301, and G101 (1 of 2) Powertrain Control Module Connector End Views Instrument Cluster and HUD Connector End Views Engine Controls Connector End Views
Figure 18:	Cell 20: Shift Select Switch Engine Controls Components Powertrain Control Module Description Cell 20: A/C Clutch Control (C61, C67) Cell 20: Park/Neutral Position (PNP) Switch - Oldsmobile OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Engine Controls Schematic References Cell 117: Instrument Cluster and Front Door Incandescent Dimming Power Distribution Schematics Power Distribution Schematics Ground Distribution Schematics Cell 20: Sensors Cell 20: Transaxle - Sensors and TR Switch Ground Distribution Schematics Engine Controls Schematic References Powertrain Control Module Connector End Views Engine Controls Connector End Views
Figure 19:	Cell 20: A/C Clutch Control (C61, C67) Engine Controls Components Powertrain Control Module Description Cell 20: A/C Clutch Control (CJ2, C68) Cell 20: Shift Select Switch OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: NON OBD II MISC ENG, TCC, and IGN OFF/UNLOCK Fuses Cell 10: NON OBD II MISC ENG, TCC, and IGN OFF/UNLOCK Fuses Cell 10: AUTO A/C / CRUISE Fuse Cell 10: BASE A/C Fuse Cell 14: G201 (1 of 2) Powertrain Control Module Connector End Views
Figure 20:	Cell 20: A/C Clutch Control (CJ2, C68) Engine Controls Components Powertrain Control Module Description Cell 20: Cooling Fans Cell 20: A/C Clutch Control (C61, C67) OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Handling ESD Sensitive Parts Notice Power Distribution Schematics Power Distribution Schematics Ground Distribution Schematics Powertrain Control Module Connector End Views
Figure 21:	Cell 20: Cooling Fans Engine Controls Components Powertrain Control Module Description Cell 20: A/C Clutch Control (CJ2, C68) OBD II Symbol Description Notice Handling ESD Sensitive Parts Notice Cell 10: ABS/CCR and CLG FAN/TCC Fuses Cell 10: MISC LGT, COOL FNS, C/LTR/RDO/CLSTR/MISC, IGN SW, RR DEFOG/PWRSEAT, ABS SOL, and ABS MOT Fuses Cell 10: ABS/CCR and CLG FAN/TCC Fuses Cell 14: G104 Powertrain Control Module Connector End Views