Buick LeSabre Custom 2000 - 2000 GENERAL MOTORS Bonneville & LeSabre

Buick LeSabre Custom 2000 - BUZZERS, RELAYS & TIMERS

Buick LeSabre Custom 2000 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Clutch Relay	In underhood fuse block.
ACCY Relay	In underhood fuse block.
Air Pump Relay	In underhood fuse block.
ALC Relay	In rear fuse block.
CIGAR Relay	In rear fuse block.
COOL FAN 1 Relay (High Speed)	In underhood fuse block.
COOL FAN 2 Relay (Low Speed)	In underhood fuse block.
COOL FAN S/P Relay (Series/Parallel)	In underhood fuse block.
DRL Relay	In underhood fuse block.
Floor CTSY LMP Relay	In rear fuse block.
Fog LP Relay	In underhood fuse block.
F/PMP Relay	In rear fuse block.
Fuel Door Lock Relay	In rear fuse block.
Fuel Door Unlock Relay	In rear fuse block.
HDLP HI BM Relay	In underhood fuse block.
HDLP LO BM Relay	In underhood fuse block.
Horn Relay	In underhood fuse block.
IGN-1 Relay	In rear fuse block.
IGN-1 Relay	In underhood fuse block.
IGN-3 Relay	In underhood fuse block.
INT Lamp Relay	In rear fuse block.
Park LP Relay	In rear fuse block.
RAP Relay	In rear fuse block.
Reverse Relay	In rear fuse block.
RR DEFOG Relay	In rear fuse block.
Start 1 Relay	In underhood fuse block.
Starter Relay	In underhood fuse block.
TRK/REL Relay	In rear fuse block.
Turn Signal/Hazard Flasher Module	Under left side of dash.

Buick LeSabre Custom 2000 - CIRCUIT PROTECTION DEVICES

Buick LeSabre Custom 2000 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
A/C Compressor Diode	On wiring harness, near A/C compressor.
Rear Fuse Block	Under left rear seat. See Fig. 10 .
Steering Column Fuse Holder	Near base of steering column.
Underhood Fuse Block	Right front side of engine compartment.

Buick LeSabre Custom 2000 - CONTROL UNITS

Buick LeSabre Custom 2000 CONTROL UNITS LOCATION

Component	Location
Audio Amplifier	Behind left rear seat back.
Blower Control Module	Under right side of dash, above blower motor. See Fig. 7 .
Cruise Control Module	On left side of engine compartment, on strut tower. See Fig. 6 .
Dash Integration Module (DIM)	Behind right side of dash, under sound insulator.
Electronic Brake (& Traction) Control Module (EBCM/EBTCM)	On left front of engine compartment.
Electronic Compass Module	Under left side of rear shelf.
Fuel Pump Control Module (3.8L VIN 1)	In right side of luggage compartment, above CD player.
Head-Up Display (HUD) Module	On top left side of dash. See Fig. 8 .
Ignition Control Module (ICM) (3.8L VIN K)	On top left front of engine. See Fig. 2 .
Ignition Control Module (ICM) (3.8L VIN 1)	On top left front of engine. See Fig. 5 .
Inflatable Restraint Sensing & Diagnostic Module (SDM)	Under rear of center console, mounted to floor pan.
Instrument Panel Integration Module (IPM)	Behind left side of dash.
Memory Seat Module (MSM)	Under driver's seat.
Powertrain Control Module (PCM)	In air cleaner housing.
Radio Antenna Module	On center rear of headliner.
Rear Integration Module (RIM)	Behind upper left rear seat cushion.
Remote Function Actuator (RFA) Module	Below rear shelf. See Fig. 11 .
Sun Roof Control Module	Rear of glass assembly, above headliner. See Fig. 9 .
Vehicle Theft Deterrent Module	On right side of steering column, behind shroud at ignition switch.

Buick LeSabre Custom 2000 - MOTORS

Buick LeSabre Custom 2000 MOTORS LOCATION

Component	Location
Air Inlet Actuator	Under right side of dash, to right of blower motor. See Fig. 7 .
Air Mix Actuator	Behind glove box, on right side of HVAC module. See Fig. 7 .
Automatic Level Control Compressor	Under rear of vehicle, near suspension carrier.
Blower Motor	Under right side of dash, above sound insulator. See Fig. 7 .
Driver Air Mix Actuator	On left side of HVAC module.
Engine Cooling Fan Motor (Left/ Right)	In front of engine compartment, behind radiator.
Idle Air Control (IAC) Valve (3.8L VIN K)	On throttle body assembly. See Fig. 3 .
Idle Air Control (IAC) Valve (3.8L VIN 1)	On throttle body assembly. See Fig. 5 .
Mode Door Actuator	Under left side of dash, on left side of HVAC module.
Passenger Air Mix Actuator	Under right side of dash, on right side of HVAC module.
Power Sun Roof Motor Assembly	Rear of glass assembly, above headliner. See Fig. 9 .
Secondary Air Injection Pump Motor	At left front of engine compartment.
Windshield Washer Pump Motor	In bottom of windshield washer reservoir.
Windshield Wiper Motor	Behind left front strut tower.

Buick LeSabre Custom 2000 - SENDING UNITS & SENSORS

Buick LeSabre Custom 2000 SENDING UNITS & SENSORS LOCATION

Component	Location
A/C Pressure Sensor	Behind A/C compressor, on A/C line.
Ambient Outside Air Temperature Sensor	On hood latch support.
Automatic Level Control Height Sensor	Under rear of vehicle, near rear suspension.
Camshaft Position (CMP) Sensor (3.8L VIN K)	On front of engine, below water pump. See Fig. 2 .
Camshaft Position (CMP) Sensor (3.8L VIN 1)	On front of engine, below water pump. See Fig. 5 .
Crankshaft Position (CKP) Sensor (3.8L VIN K)	On front of engine, behind crank pulley. See Fig. 2 .
Crankshaft Position (CKP) Sensor (3.8L VIN 1)	On front of engine, behind crank pulley. See Fig. 5 .
Driver Inflatable Restraint Side Impact Sensor (SIS)	At base of left "B" pillar, behind trim panel.
Engine Coolant Level Sensor (Buick)	On radiator right tank.
Engine Coolant Level Sensor (Pontiac)	On radiator left tank.
Engine Coolant Temperature (ECT) Sensor (3.8L VIN K)	On rear of engine, near thermostat housing. See Fig. 2 .
Engine Coolant Temperature (ECT) Sensor (3.8L VIN 1)	On rear of engine, near thermostat housing. See Fig. 5 .
Fuel Sender	On top of fuel tank.
Fuel Tank Pressure Sensor	On top of fuel tank.
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (3.8L VIN K)	In right exhaust manifold. See Fig. 1 .
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (3.8L VIN 1)	In right exhaust manifold. See Fig. 4 .
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (3.8L VIN K)	Near rear of catalytic converter.
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (3.8L VIN 1)	Near rear of catalytic converter.
Inside Air Temperature Sensor	Near left center dash panel vent. See Fig. 8 .
Intake Air Temperature (IAT) Sensor (3.8L VIN K)	On left side of engine compartment, in air intake duct. See Fig. 3 .
Intake Air Temperature (IAT) Sensor (3.8L VIN 1)	On left side of engine compartment, in air intake duct.
Knock Sensor (KS) Bank 1 (3.8L VIN K)	On lower front of engine block, near starter.
Knock Sensor (KS) Bank 1 (3.8L VIN 1)	On lower front of engine block, near starter.
Knock Sensor (KS) Bank 2 (3.8L VIN K)	On lower rear of engine block, near oil filter. See Fig. 1 .
Knock Sensor (KS) Bank 2 (3.8L VIN 1)	On lower rear of engine block, near oil filter.
Lateral Accelerometer Sensor	Under left rear seat. See Fig. 10 .
Left Heater Temperature Sensor	Under left side of dash, in sound insulator.
Left Panel Temperature Sensor	In left dash duct, behind outer vent. See Fig. 8 .
Manifold Absolute Pressure (MAP) Sensor (3.8L VIN K)	On top front of engine, near ignition control module. See Fig. 2 .
Manifold Absolute Pressure (MAP) Sensor (3.8L VIN 1)	On top right side of engine, above valve cover. See Fig. 4 .
Mass Airflow (MAF) Sensor (3.8L VIN K)	On top of throttle body. See Fig. 3 .
Mass Airflow (MAF) Sensor (3.8L VIN 1)	On top of throttle body. See Fig. 5 .
Outside Moisture Sensor	Above inside rearview mirror.
Passenger Inflatable Restraint Side Impact Sensor (SIS)	At base of right "B" pillar, behind trim panel.
Power Steering Pressure Sensor	Near rack & pinion unit input shaft.
Right Heater Temperature Sensor	Under right side of dash, in sound insulator.
Right Panel Temperature Sensor	In right dash duct, behind outer vent. See Fig. 8 .
Steering Wheel Position Sensor (SWPS)	On base of steering column.
Sunload & Ambient Light Sensor	On top center of dash, in defroster grille. See Fig. 8 .
Throttle Position (TP) Sensor (3.8L VIN K)	On throttle body assembly. See Fig. 2 .
Throttle Position (TP) Sensor (3.8L VIN 1)	On throttle body assembly. See Fig. 5 .
Vehicle Speed Sensor (VSS)	On right front of transaxle, below power steering pump.
Wheel Speed Sensor (4)	On wheel hub assembly.
Yaw Rate Sensor	Under rear shelf, behind lid hinge.

Buick LeSabre Custom 2000 - SOLENOIDS & SOLENOID VALVES

Buick LeSabre Custom 2000 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Automatic Level Control Exhaust Solenoid	Under rear of vehicle, near ALC compressor assembly.
Automatic Transmission Shiftlock Control Solenoid	On base of steering column.
Boost Control Solenoid (3.8L VIN 1)	On top rear left of engine, near engine oil fill. See Fig. 5 .
Brake Pressure Modulator Valve (BPMV)	On left front of engine compartment, near base of radiator support.
Evaporative Emissions (EVAP) Canister Purge Valve (3.8L VIN K)	On top of engine, near generator. See Fig. 2 .
Evaporative Emissions (EVAP) Canister Purge Valve (3.8L VIN 1)	On top of engine, near generator.
Exhaust Gas Recirculation (EGR) Valve (3.8L VIN K)	On top rear of engine, near throttle body. See Fig. 1 .
Exhaust Gas Recirculation (EGR) Valve (3.8L VIN 1)	On top rear of engine, near throttle body.
Rear Compartment Lid Release Actuator	On center rear of luggage compartment, near latch.
Secondary Air Injection By-Pass Valve Solenoid	On top of air pump.
Variable Effort Steering Actuator	On left side of power steering gear.

Buick LeSabre Custom 2000 - SWITCHES

Buick LeSabre Custom 2000 SWITCHES LOCATION

Component	Location
ABS/TCC Switch	Near brake pedal.
Automatic Level Control Accessory Inflator Switch	Inside rear luggage compartment.
Automatic Transaxle Fluid Pressure (TFP) Manual Valve Position Switch	In transaxle.
Brake Fluid Level Switch	In master cylinder reservoir. See Fig. 6 .
Engine Oil Level Switch (3.8L VIN K)	In left side of engine oil pan. See Fig. 2 .
Engine Oil Level Switch (3.8L VIN 1)	In left side of engine oil pan. See Fig. 5 .
Engine Oil Pressure Switch (3.8L VIN K)	On front of engine, below power steering pump. See Fig. 1 .
Engine Oil Pressure Switch (3.8L VIN 1)	On front of engine, below power steering pump. See Fig. 4 .
Left Front Seat Belt Switch	In seat belt assembly, near floor.
Park Brake Switch	On top of park brake pedal assembly.
Stoplight/Auto Trans Shift Lock Control Switch	On brake pedal bracket.
Windshield Washer Fluid Level Switch	On left side of engine compartment, in windshield washer fluid reservoir.

Buick LeSabre Custom 2000 - MISCELLANEOUS

Buick LeSabre Custom 2000 MISCELLANEOUS LOCATION

Component	Location
Aspirator	On left side of HVAC module.
Data Link Connector (DLC)	Under lower left side of dash.
Radio Amplifier	Behind left rear seat back.

Buick LeSabre Custom 2000 - CONNECTORS

Buick LeSabre Custom 2000 CONNECTORS LOCATION

Component	Location
C100 (Gray, 20 Pin)	Left top of transmission.
C101 (Black, 40 Pin)	Near left strut tower.
C102 (Black, 3 Pin)	In right front corner of engine compartment.
C103 (Black, 8 Pin)	Top front of engine.
C104	Left side middle of engine compartment.
C105	Right side middle of engine compartment.
C106 (Gray, 4 Pin)	In engine compartment, near right strut tower.
C108 (Black, 7 Pin)	Near left headlight.
C109 (Black, 7 Pin)	Near right headlight.
C112 (Black, 7 Pin)	Above left strut tower.
C200 (Natural, 40 Pin)	On steering column.
C201 (Black, 40 Pin)	On underside of dash.
C202 (Black, 40 Pin)	On steering column.
C204 (Black, 16 Pin)	Near HVAC blower motor.
C205 (Gray, 6 Pin)	Near HVAC blower motor.
C210 (Black, 18 Pin)	Behind radio.
C211 (Black, 3 Pin)	Behind radio.
C215 (Brown, 40 Pin)	On center of dash.
C216 (Brown, 30 Pin)	On left side of dash.
C301 (Black, 18 Pin)	Bottom right rear corner of right front seat.
C302 (Black, 18 Pin)	Bottom left rear corner of left front seat.
C303 (Black, 2 Pin)	Under rear of center console.
C305 (Gray, 1 Pin)	Under rear seat on right side.
C314 (Black, 4 Pin)	Left front of passenger compartment.
C317 (Black, 4 Pin)	Left front of passenger compartment.
C318 (Black, 4 Pin)	Left front of passenger compartment.
C322 (Gray, 6 Pin)	Behind right rear "C" pillar interior trim panel.
C323 (Black, 3 Pin)	Above front passenger's seat area.
C324 (Black, 2 Pin)	Above front passenger's seat area.
C326 (Black, 3 Pin)	Above driver's seat area.
C328 (Black, 2 Pin)	Above driver's seat area.
C329 (18 Pin)	Behind left rear "C" pillar interior trim panel.
C345 (Black, 30 Pin)	In front of rear compartment trim panel.
C400 (6 Pin)	Behind left rear taillight assembly.
C401 (8 Pin)	In rear left wheelwell.
C402 (Black, 6 Pin)	Behind right rear taillight assembly.
C405 (Black, 3 Pin)	Under rear shelf.
C406 (18 Pin)	On left side near rear shelf.
C412 (Light Gray, 2 Pin)	Near automatic level control valve solenoid.
C420 (Black, 7 Pin)	In right rear corner of vehicle.
C500 (Black, 18 Pin)	In left front door pillar.
C503 (Black, 18 Pin)	Between door & door trim panel.
C600 (Black, 18 Pin)	Right front door in "A" pillar.
C603 (Natural, 18 Pin)	Between door & door trim panel.
C700 (Natural, 10 Pin)	Near P700.
C701 (Natural, 7 Pin)	Near P700.
C703 (Natural, 10 Pin)	In left rear door.
C800 (Natural, 10 Pin)	Near P800.
C801 (Natural, 7 Pin)	Near P800.
C803 (Natural, 10 Pin)	Between door & door trim panel.

Buick LeSabre Custom 2000 - GROUNDS

Buick LeSabre Custom 2000 GROUNDS LOCATION

Component	Location
G100	On top of transmission.
G101	Near starter motor.
G102	Below ignition control module.
G103	In front of underhood fuse block.
G104	On top of transmission.
G105	Below ignition control module.
G106	Near left strut tower.
G107	In front of underhood fuse block.
G200	On left front door pillar.
G201	On right front door pillar.
G300	Under left front seat.
G301	Under right front seat.
G302	Left rear of passenger compartment.
G303	Under right front seat.
G305	Under right side rear seat.
G310	On left corner of rear compartment.
G401	On lower right corner of rear compartment.
G402	On lower left corner of rear compartment.
G404	Behind right rear "C" pillar interior trim panel.

Buick LeSabre Custom 2000 - SPLICES

Buick LeSabre Custom 2000 SPLICES LOCATION

Component	Location
S100	In forward lamp harness, 4 cm from G103 breakout.
S101	In engine harness, 12.5 cm from right front wheel speed sensor breakout.
S102	In engine harness, 19 cm from right front wheel speed sensor breakout.
S103	In engine harness, 49 cm from left front wheel speed sensor breakout.
S104	In engine harness, 42.5 cm from left front wheel speed sensor breakout.
S105	In engine harness, 9.5 cm from PCM C1 connector.
S106	In engine harness, 6.5 cm from idle air control valve connector breakout.
S107	In engine harness, 23 cm from A/C clutch connector breakout.
S108	In engine harness, 18 cm from A/C clutch connector breakout.
S121	In forward lamp harness, 17 cm from C109.
S122	In forward lamp harness, 17 cm from C108.
S201	In I/P harness, 6.5 cm from I/P module breakout.
S202	In I/P harness, 6.5 cm from I/P module breakout.
S203	In I/P harness, 6.5 cm from I/P module breakout.
S204	In I/P harness, 6.5 cm from C216 breakout.
S205	In I/P harness, 6.5 cm from C216 breakout.
S206	In I/P harness, 13 cm from C216 breakout.
S207	In I/P harness, 19.5 cm from C204 breakout.
S208	In I/P harness, 6.5 cm from center console harness breakout.
S212	In body harness, 56 cm from rear of DIM breakout.
S214	In steering wheel harness, 5 cm from SIR coil.
S215	In body harness, 19.5 cm from P100.
S216	In body harness, 17 cm from P100.
S217	In body harness, 24 cm from P100.
S220	In HVAC harness, 36.5 cm from C204 breakout.
S221	In HVAC harness, 30 cm from C204 breakout.
S222	In HVAC harness, 23.5 cm from C204 breakout.
S225	In steering column harness.
S226	In steering column harness.
S227	In steering column harness.
S228	In center console harness, 10 cm from auxiliary power outlet harness breakout.
S250	In I/P round harness, 16.5 cm from C210 harness breakout.
S251	In I/P round harness, 10 cm from C210 harness breakout.
S302	In body harness, 14.5 cm from left power seat breakout.
S303	In body harness, 18 cm from G300 breakout.
S304	In body harness, 11.5 cm from G300 breakout.
S305	In body harness, 31.5 cm from G300 breakout.
S307	In body harness, 1.5 cm from rear fuse block breakout.
S308	In body harness, 5.5 cm from rear fuse block breakout.
S309	In body harness, 12 cm from rear fuse block breakout.
S311	In body harness, 6.5 cm forward of cross-car breakout.
S312	In body harness, 6.5 cm rear of cross-car breakout.
S315	In left seat harness, 6.5 cm from left heated seat module connector breakout.
S316	In right seat harness, 6.5 cm from right heated seat module connector breakout.
S317	In left seat harness, 11.5 cm from left seat harness.
S319	In left seat harness, 16 cm from left seat harness.
S320	In left seat harness, 21 cm from left seat harness.
S321	In left seat harness, 9.5 cm from left seat harness.
S322	In right seat harness, 9.5 cm from right seat harness.
S323	In left seat harness, 9.5 cm from right seat harness.
S324	In left seat harness, 9.5 cm from left seat harness.
S325	In driver's seat harness, 6 cm from power seat switch breakouts.
S327	In headliner harness, 17.9 cm from C329.
S328	In headliner harness, 17.3 cm from C329.
S329	In headliner harness, 15.6 cm from C329.
S330	In left lumbar harness, 5 cm from C314 connector.
S331	In left lumbar harness, 5 cm from C314 connector.
S334	In headliner harness, 13.5 cm from garage door breakout.
S360	In OnStar jumper harness, between C345 & VIU connector breakout.
S361	In OnStar jumper harness, between C345 & VIU connector breakout.
S401	In body harness, 31.5 cm from fuel tank harness breakout.
S406	In right taillamp jumper harness, 16.5 cm from C402.
S407	In left taillamp jumper harness, 16.5 cm from C400.
S408	In right taillamp jumper harness, 23 cm from C402.
S409	In left taillamp jumper harness, 23 cm from C400.
S411	In rear compartment lid harness, 34.5 cm from P410 breakout.
S412	In rear compartment lid harness, 6 cm from P410.
S413	In rear compartment lid harness, 10.5 cm from P410.
S500	In left front door trim harness, 19 cm from C503.
S501	In left front door trim harness, 19 cm from C503.
S602	In right front door harness, 10 cm from door module connector breakout.
S603	In right front door trim harness, 9 cm from C603 breakout.
S604	In right front door trim harness, 21 cm from C603 breakout.
SP301	In body harness, 8.5 cm from G300 breakout.
SP306	In body harness, 8 cm from rear fuse block breakout.
SP310	In body harness right, 18 cm from rear fuse block breakout.