Buick Park Avenue Ultra 2003 - 2003 GENERAL MOTORS Park Avenue

Buick Park Avenue Ultra 2003 - BUZZERS, RELAYS & TIMERS

Buick Park Avenue Ultra 2003 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C CLU Relay	In underhood fuse block.
ACCY Relay 2	In I/P fuse block.
AIR PUMP Relay	In underhood fuse block.
COOLFAN S/P Relay	In underhood fuse block.
COOLFAN 1 Relay	In underhood fuse block.
COOLFAN 2 Relay	In underhood fuse block.
ELC Relay 4	In rear fuse block.
F/PMP Relay	In underhood fuse block.
HORN Relay	In underhood fuse block.
HTD BK LITE Relay 1	In rear fuse block.
IGN Relay	In underhood fuse block.
IGN 3 Relay 3	In I/P fuse block.
PERIM LP Relay	In I/P fuse block.
RAP Relay 2	In rear fuse block.
STARTER Relay	In underhood fuse block.
TRK REL Relay 3	In rear fuse block.

Buick Park Avenue Ultra 2003 - CIRCUIT PROTECTION DEVICES

Buick Park Avenue Ultra 2003 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
A/C Compressor Clutch Diode	Near A/C compressor, in harness.
ELC Circuit Breaker	On rear fuse block.
I/P Fuse Block	Behind glove box.
PWR SEAT Circuit Breaker	On rear fuse block.
PWR WDO Circuit Breaker	On underhood maxi-fuse block.
Rear Fuse Block	Below right side of rear seat.
Steering Column Fuse Holder	At base of steering column.
Underhood Fuse Block (Left)	On right front of engine compartment, near battery.
Underhood Fuse Block (Right)	On right front of engine compartment, forward of strut tower.

Buick Park Avenue Ultra 2003 - CONTROL UNITS

Buick Park Avenue Ultra 2003 CONTROL UNITS LOCATION

Component	Location
Audio Amplifier	Under left side of rear package shelf.
Body Control Module	Behind glove box.
Cruise Control Module	On firewall, near brake master cylinder.
Door Module (Driver)	Inside driver's door, above radio speaker.
Door Module (Passenger)	Inside front passenger's door, above radio speaker.
Door Module (Rear)	Under right side of rear seat.
Electronic Brake Control Module	On left front corner of engine compartment, near base of radiator support.
Head-Up Display	Behind upper left side of dash.
Heated Seat Module (Left)	On underside of left front seat.
Heated Seat Module (Right)	On underside of right front seat.
Ignition Control Module (ICM) (3.8L VIN K)	At left front of engine, under ignition coils. See Fig. 3 .
Ignition Control Module (ICM) (3.8L VIN 1)	At left front of engine, under ignition coils. See Fig. 2 .
Inflatable Restraint Sensing & Diagnostic Module	Below right front seat, under carpet.
I/P Dimming Module	Behind left side of dash, right of steering column.
Instrument Panel Integration Module	Behind right side of dash, near rear of glove box.
Lamp Control Module	Behind left side of dash, right of steering column.
Memory Seat Module	On underside of left front seat, on seat adjuster frame.
Powertrain Control Module (PCM)	On left front of engine compartment, in air cleaner housing. See Fig. 6 .
Radio Antenna Module	Behind right rear upper sail trim panel.
Rear Object Sensor Control Module	Under right side of rear window shelf.
Remote Control Door Lock Receiver	Under center of rear package shelf.
Sun Roof Module	On rear underside of roof.
Theft Deterrent Control Module	In steering column.
Turn Signal/Hazard Flasher Module	Behind dash, right of steering column carrier.
Vehicle Communication Unit	On right front of trunk, attached to seat back brace.
Vehicle Interface Unit	On right front of trunk, attached to seat back brace.

Buick Park Avenue Ultra 2003 - MOTORS

Buick Park Avenue Ultra 2003 MOTORS LOCATION

Component	Location
Air Temperature Actuator (Left)	Behind center left side of dash, on HVAC module.
Air Temperature Actuator (Right)	Behind center right side of dash, on HVAC module.
Automatic Level Control Compressor	On right rear of vehicle, right of rear frame rail.
Blower Motor	Behind right side of dash.
Cooling Fan (Left)	On left rear side of radiator.
Cooling Fan (Right)	On right rear side of radiator.
Fuel Pump & Sender Assembly	In fuel tank.
Mode Actuator	Under left side of dash, on left side of HVAC module.
Recirculation Actuator	Behind right side of dash, right of blower motor.
Sun Roof Motor	On rear underside of roof.
Windshield Washer Fluid Pump	On washer fluid reservoir, left rear of engine compartment.
Windshield Wiper Motor	On right side of firewall.

Buick Park Avenue Ultra 2003 - SENDING UNITS & SENSORS

Buick Park Avenue Ultra 2003 SENDING UNITS & SENSORS LOCATION

Component	Location
A/C Refrigerant Pressure Sensor	Near A/C compressor, on hose assembly.
Ambient Air Temperature Sensor	On center front of engine compartment, on hood latch brace.
Ambient Light Sensor	On top center of dash.
Automatic Level Control Sensor	At left front side of rear suspension support assembly.
Camshaft Position (CMP) Sensor (3.8L VIN K)	On right front of engine, above crankshaft balancer.
Camshaft Position (CMP) Sensor (3.8L VIN 1)	On right front of engine, behind water pump pulley. See Fig. 2 .
Crankshaft Position (CKP) Sensor (3.8L VIN K)	On left front of engine, next to crankshaft balancer. See Fig. 3 .
Crankshaft Position (CKP) Sensor (3.8L VIN 1)	On left front of engine, next to crankshaft balancer. See Fig. 2 .
Engine Coolant Temperature Sensor	On left rear of engine, under thermostat housing.
Fuel Pump & Sender Assembly	In fuel tank.
Fuel Tank Pressure Sensor	In fuel tank.
Heated Oxygen Sensor (Bank 1 Sensor 1)	On right exhaust manifold.
Heated Oxygen Sensor (Bank 1 Sensor 2)	On exhaust system, rear of catalytic converter.
Inside Air Temperature Sensor	Under left side of dash, near left center A/C vent.
Intake Air Temperature (IAT) Sensor (3.8L VIN K)	In air intake assembly. See Fig. 1 .
Intake Air Temperature (IAT) Sensor (3.8L VIN 1)	In air intake assembly.
Knock Sensor (Bank 1)	On left side of engine, near starter.
Knock Sensor (Bank 2)	On right side of engine, below exhaust manifold.
Lateral Accelerometer Sensor	Under rear seat.
Left Inflatable Restraint Side Impact Sensor	On base of left "B" pillar.
Lower Air Temperature Sensor (Lower Left)	On left side of dash, above sound insulator panel.
Lower Air Temperature Sensor (Lower Right)	On right side of dash, above sound insulator panel.
Manifold Absolute Pressure (MAP) Sensor (3.8L VIN K)	On top right side of engine. See Fig. 3 .
Manifold Absolute Pressure (MAP) Sensor (3.8L VIN 1)	On top right side of engine.
Mass Airflow (MAF) Sensor (3.8L VIN K)	At rear of engine, on top of throttle body. See Fig. 1 .
Mass Airflow (MAF) Sensor (3.8L VIN 1)	At rear of engine, on top of throttle body. See Fig. 2 .
Object Sensor (Left Rear Corner)	On left corner of rear bumper fascia.
Object Sensor (Left Rear Middle)	On left middle of rear bumper fascia.
Object Sensor (Right Rear Corner)	On right corner of rear bumper fascia.
Object Sensor (Right Rear Middle)	On right middle of rear bumper fascia.
Outside Moisture Sensor	Above rearview mirror on windshield.
Right Inflatable Restraint Side Impact Sensor	On base of right "B" pillar.
Steering Wheel Position Sensor	On base of steering column.
Sun Load Sensor (Left)	On left side of dash, in defroster grille.
Sun Load Sensor (Right)	On right side of dash, in defroster grille.
Throttle Position (TP) Sensor (3.8L VIN K)	On throttle body. See Fig. 1 .
Throttle Position (TP) Sensor (3.8L VIN 1)	On throttle body. See Fig. 2 .
Upper Air Temperature Sensor (Left)	On left side of dash, near A/C vent.
Upper Air Temperature Sensor (Right)	On right side of dash, near A/C vent.
Vehicle Speed Sensor	In lower right rear of engine compartment, on transaxle.
Wheel Speed Sensor (Left Front)	On left front brake assembly, on back of hub.
Wheel Speed Sensor (Left Rear)	On left rear brake assembly, on back of hub.
Wheel Speed Sensor (Right Front)	On right front brake assembly, on back of hub.
Wheel Speed Sensor (Right Rear)	On right rear brake assembly, on back of hub.
Yaw Rate Sensor	Under rear shelf, behind lid hinge.

Buick Park Avenue Ultra 2003 - SOLENOIDS & SOLENOID VALVES

Buick Park Avenue Ultra 2003 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
A/T Shift Lock Control Solenoid	On base of steering column.
Evaporative Emissions (EVAP) Canister Purge Solenoid (3.8L VIN K)	On top left side of engine. See Fig. 4 .
Evaporative Emissions (EVAP) Canister Purge Solenoid (3.8L VIN 1)	On top right rear of engine. See Fig. 5 .
Evaporative Emissions Canister Vent Solenoid	Below rear of vehicle, on EVAP canister.
Exhaust Gas Recirculation Valve (3.8L VIN K)	On top right rear of engine.
Exhaust Gas Recirculation Valve (3.8L VIN 1)	On top right rear of engine.
Fuel Door Release Actuator	In left quarterpanel, at fuel filler door pocket.
Idle Air Control (IAC) Valve (3.8L VIN K)	On top of throttle body. See Fig. 1 .
Idle Air Control (IAC) Valve (3.8L VIN 1)	On top of throttle body. See Fig. 2 .
Rear Compartment Lid Release Actuator	On rear compartment lid latch.
Supercharger Boost Control Solenoid (3.8L VIN 1)	On top left rear of engine, near oil fill. See Fig. 2 .
Torque Converter Clutch Solenoid Valve	Inside transmission.
Variable Effort Steering Actuator	On power steering rack.

Buick Park Avenue Ultra 2003 - SWITCHES

Buick Park Avenue Ultra 2003 SWITCHES LOCATION

Component	Location
Brake Fluid Level Switch	On master cylinder reservoir.
Engine Oil Level Switch (3.8L VIN K)	On engine oil pan. See Fig. 3 .
Engine Oil Level Switch (3.8L VIN 1)	On engine oil pan.Fig. 2 .
Engine Oil Pressure Switch	On front of engine, below power steering pump.
Park Brake Switch	On top of park brake assembly.
Rear Compartment Lid Ajar Switch	On center of rear compartment, on latch.
Seat Belt Switch (Left)	In left front seat buckle assembly.
Seat Belt Switch (Right)	In right front seat buckle assembly.
Stoplamp/Auto Transmission Shift Lock Control Switch	Behind dash, on brake pedal support.
Windshield Washer Fluid Level Switch	On washer fluid reservoir, left rear of engine compartment.

Buick Park Avenue Ultra 2003 - MISCELLANEOUS

Buick Park Avenue Ultra 2003 MISCELLANEOUS LOCATION

Component	Location
Data Link Connector	Under left side of dash.
Global Positioning Satellite Antenna	In the rear window.
Rear Parking Assist Diagnostic Connector	Under right side of rear window shelf.

Buick Park Avenue Ultra 2003 - CONNECTORS

Buick Park Avenue Ultra 2003 CONNECTORS LOCATION

Component	Location
C100 (Gray, 20 Pin)	In left front of engine compartment.
C101 (Gray, 10 Pin)	In right rear of engine compartment.
C102 (Black, 10 Pin)	Above left front frame rail.
C107 (Black, 8 Pin)	On right front of engine.
C111 (Black, 1 Pin)	Below power steering pump.
C112 (Medium Gray, 5 Pin)	In left front of vehicle.
C113 (Natural, 5 Pin)	Near coolant recovery tank.
C114 (Medium Gray, 5 Pin)	In right front of vehicle.
C115 (Medium Gray, 5 Pin)	Near coolant recovery tank.
C116 (Black, 10 Pin)	Near windshield wiper motor.
C117 (Medium Gray, 5 Pin)	Near windshield wiper motor.
C122 (Black, 6 Pin)	In left rear of engine compartment.
C200 (Gray, 16 Pin)	Next to steering column harness.
C201 (Natural, 10 Pin)	On left of steering column.
C202 (Light Blue, 24 Pin)	On left of steering column.
C203 (White, 16 Pin)	On left of steering column.
C204 (Black, 23 Pin)	Under right side of dash.
C205 (Black, 16 Pin)	On HVAC module.
C206 (Pink, 24 Pin)	Above steering column.
C207 (Gray, 6 Pin)	Under defroster grille.
C208 (Black, 2 Pin)	Under center of dash.
C209	On left of steering column.
C300 (Yellow, 2 Pin)	Next to driver's side seat control connectors, under carpet.
C301 (Black/Natural, 10 Pin)	Near P700.
C302 (Black/Natural, 7 Pin)	Near P700.
C303 (Black/Natural, 10 Pin)	Near P800.
C304 (Black/Natural, 7 Pin)	Near P800.
C306 (Black, 3 Pin)	On upper sail panel.
C307 (Black, 30 Pin)	Behind rear seat.
C308 (Black, 2 Pin)	Under center console.
C309 (Black, 23 Pin)	Below left front seat.
C310 (Blue, 24 Pin)	Behind right side of rear seat.
C314 (W/Memory) (White, 16 Pin)	Below front seat.
C314 (W/O Memory) (Black, 4 Pin)	Below front seat.
C317 (Black, 4 Pin)	Below left front seat.
C318 (Black, 4 Pin)	Below right front seat.
C319 (4 Pin)	On cellular telephone jumper harness.
C322 (Black, 4 Pin)	On lumbar motor harness.
C323 (10 Pin)	In left rear of center console.
C329 (Black, 4 Pin)	Behind right upper "B" pillar panel.
C345 (Light Gray, 22 Pin)	Behind rear seat.
C401 (Black, 6 Pin)	In left rear of rear compartment lid.
C402 (Natural/Black, 4 Pin)	On left rear of rear seat cross brace.
C404 (Black, 4 Pin)	Near left taillight.
C405 (Black, 4 Pin)	Near right taillight.
C408 (Black, 6 Pin)	Near right side marker light.
C415 (Gray, 8 Pin)	Next to automatic level control sensor.
C420 (Black, 7 Pin)	In right rear wheelwell.
C500 (Natural, 10 Pin)	Below front seat.
C503 (Gray, 2 Pin)	Below front seat.
C601 (Black, 4 Pin)	In right front door.
C602 (Black, 8 Pin)	In right front door.
C603 (Gray, 2 Pin)	In right front door.
C700 (Natural, 10 Pin)	Under left rear door trim panel.
C701 (Black, 6 Pin)	Under left rear door trim panel.
C800 (Natural, 10 Pin)	Under right rear door trim panel.
C801 (Black, 6 Pin)	Under right rear door trim panel.

Buick Park Avenue Ultra 2003 - GROUNDS

Buick Park Avenue Ultra 2003 GROUNDS LOCATION

Component	Location
G100	Below ignition control module.
G101	Below ignition control module.
G102	Near starter motor.
G103	Near underhood fuse block.
G104	Near selector shaft.
G105	Beneath battery tray.
G106	Near windshield washer bottle.
G201	Under kick panel trim plate.
G202	Under kick panel trim plate.
G306	Under right front seat.
G400	On right rear of wheelwell.
G402	On left rear of wheelwell.

Buick Park Avenue Ultra 2003 - SPLICES

Buick Park Avenue Ultra 2003 SPLICES LOCATION

Component	Location
S100	In body harness, 17 cm from C115.
S101	In forward lamp harness, 54 cm from underhood fuse block.
S102	In forward lamp harness, 33 cm from G106.
S105	In engine harness, 47.5 cm from powertrain control module.
S106	In engine harness, 18 cm from A/C compressor clutch.
S107	In engine harness, 23 cm from A/C compressor clutch.
S108	In engine harness, 6 cm from cruise control module breakout.
S109	In right headlamp harness, 15 cm from C114.
S110	In left headlamp harness, 15 cm from C112.
S111	In engine harness, 12.5 cm from right front wheel speed sensor harness breakout.
S112	In engine harness, 19 cm from right front wheel speed sensor harness breakout.
S113	In transaxle, 19 cm from C100.
S115	In engine harness, 4 cm from powertrain control module harness breakout.
S135	In ignition harness, 21 cm from ignition control module.
S136	In ignition control module harness, 20 cm from ignition control module.
S198	In engine harness, 46.5 cm from left front wheel speed sensor breakout.
S199	In engine harness, 53 cm from left front wheel speed sensor breakout.
S200	In body harness, 7 cm from P100.
S201	In body harness, 9 cm from C203.
S202	In body harness, 30 cm from P100.
S203	In body harness, 6 cm from P500.
S205	In body harness, 38 cm from G202.
S206	In body harness, 31.5 cm from G202.
S207	In body harness, 30 cm from G201.
S208	In body harness, 35 cm from G201.
S209	In dash harness, 47 cm from data link connector.
S210	In dash harness, 18.5 cm from head-up display module.
S211	In dash harness, 48.5 cm from radio.
S212	In dash harness, 51.5 cm from HVAC control.
S213	In dash harness, 44 cm from HVAC control.
S214	In dash harness, 13 cm before I/P control module.
S216	In knee bolster, 87.5 cm from C204.
S217	In knee bolster harness, 94 cm from C204.
S218	In body harness, left side, 4 cm from steering column harness breakout.
S219	In body harness, left side, 7 cm from radio antenna breakout.
S220	In body harness, 46 cm from G202.
S221	In body harness, 35 cm from G202.
S274	In HVAC harness, 35.5 cm from mode actuator.
S275	In HVAC harness, 50.5 cm from mode actuator.
S278	In HVAC harness, 29 cm from mode actuator.
S298	In steering column harness, 20 cm from C202.
S299	In steering column harness, 20 cm from C202.
S300	In right side body harness, 6 cm from passenger seat harness breakout.
S301	In headliner harness, 51 cm from sun roof switch.
S302	In headliner harness, 60 cm from C307.
S303	In headliner harness, 128.5 cm from C305.
S304	In headliner harness, 47 cm from inside rearview mirror.
S305	In headliner harness, 70 cm from C305.
S306	In headliner harness, 58 cm from inside rearview mirror.
S307	In body harness, 15 cm from sensing & diagnostic module breakout.
S308	In headliner harness, 20 cm from left rear vanity light.
S309	In headliner harness, 10 cm from left rear vanity light.
S310	In body harness, 22 cm from C301 breakout.
S311	In body harness, 32 cm from C301 breakout.
S315	In rear park aid harness, 36.5 cm from C408.
S316	In rear park aid harness, 56.5 cm from C408.
S330	In left front seat harness, 31.5 cm from left seat switch.
S331	In right front seat harness, 31.5 cm from right front seat switch.
S332	In left front seat harness, 24.5 cm from C309.
S333	In right front seat harness, 46 cm from right seat switch.
S334	In left front seat harness, 15 cm from memory seat module.
S335	In lumbar harness, 50 cm from C322.
S336	In left front seat harness, 24.5 cm from C309.
S337	In lumbar harness, 50 cm from C322.
S338	In left front seat harness, 31.5 cm from left seat switch.
S339	In left front seat harness, 9.5 cm from C309.
S350	In center console harness, 30 cm from C308.
S351	In center console harness, 34 cm from C308.
S360	In OnStar(R) harness, 10 cm from C345.
S361	In OnStar(R) harness, 12 cm from C345.
S400	In body harness, 30 cm from G402.
S401	In body harness, 80 cm from C305.
S402	In left rear corner lamp harness, 17.5 cm from C404.
S403	In right rear corner lamp harness, 17.5 cm from C405.
S404	In left rear corner lamp harness, 10 cm from C404.
S405	In right rear corner lamp harness, 10 cm from C405.
S406	In taillamp harness, 16.5 cm from C401.
S407	In taillamp harness, 6.5 cm from license light breakout.
S408	In taillamp harness, 12 cm from license light breakout.
S409	In taillamp harness, 10 cm from C401.
S500	In left front door harness, 15.5 cm from left door switch breakout.
S501	In left front door harness, 4 cm from left door switch breakout.
S502	In left front door harness, 23 cm from left door switch breakout.
S503	In left front door harness, 29.5 cm from left door switch breakout.
S600	In right front door trim harness, 61 cm from C602.
S601	In right front door trim harness, 77.5 cm from C602.
S602	In right front door trim harness, 71.5 cm from C602.