Diagram sections — 33 (63 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY COMPUTER COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS NAVIGATION POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 3) for Buick Park Avenue Ultra 2002 List of elements for Automatic A/C Wiring Diagram (1 of 3) for Buick Park Avenue Ultra 2002: 74 (dash harn, 44 cm from hvac ctrl assembly) 5 volt ref A10 A11 A12 Amb temp sig Ambient air temperature sensor (center front of engine compt) B10 B11 B12 Bat pos volt Blower spd ctrl C10 C11 C12 C13 C14 C15 C16 Class 2 serial Clock sig Computer data lines system Cstr/ sbm fuse 10a D10 D11 D12 D13 D14 D15 D16 Data sig G202 (left kick panel) Grd Ground Hot at all times Hot in run or start Hvac control module Hvac fuse 10a I/p fuse block (behind glove box) Ign 3 volt Inside air temperature sensor (under left side of dash, near left center a/c vent) Inside temp sig Instrument panel integration module (ipm) (behind right side of dash) Interior lights system Lamp volt Lft dr pos sig Lft solar sens Lft temp dr ctrl Ll temp sig Low ref Low rt temp sig Lower left air temperature sensor (left side of dash, above sound insulator) Lower right air temperature sensor (right side of dash, above sound insulator) Mode door ctrl Mode dr pos sig Pass solar sens Recirc door ctrl Red Right air temperature switch assembly Rt dr pos sig Rt temp dr ctrl Rt temp sig S213 S213 (dash harn, 44 cm from hvac control assembly) S214 (dash harn, behind right side of dash) Serial data Sun load sensor (left) (on left of dash) Sun load sensor (right) (on right of dash) Tan Up lft temp sig Up rt temp sig Upper air temperature sensor (left) (left side of dash, near a/c vent) Upper air temperature sensor (right) (right side of dash, near a/c vent) Vf dim sig Automatic A/C Wiring Diagram (2 of 3) for Buick Park Avenue Ultra 2002 List of elements for Automatic A/C Wiring Diagram (2 of 3) for Buick Park Avenue Ultra 2002: 67 (engine harn, 15 cm from breakout to powertrain control module) (engine harn, near a/c compressor clutch) (hvac harn, 29 cm from breakout to mode actuator) (hvac harn, 33.5 cm from breakout to mode actuator) (hvac harn, 50.5 cm from breakout to mode actuator) (near compressor) (right front of engine compt) g105 5v ref 87a A/c clu fuse 10a A/c clu relay A/c compressor clutch A/c compressor clutch diode A/c fuse 10a A/c press sig A/c refrigerant pressure sensor (near a/c compressor, on hose assembly) A10 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) Battery Blo mot fuse 30a Blower input Blower motor (right side of dash) Blower motor control processor Blower v+ Clu rly ctrl Computer data lines system Cool fan 1 fuse 30a Cool fan 2 fuse 30a Coolfan 1 relay Coolfan 2 relay Coolfan s/p relay Cooling fan (left) Cooling fan (right) D11 E10 Ect sens sig Engine coolant temperature (ect) sensor (left rear of engine) F11 G102 (left side G201 (right kick panel) Ground H spd rly ctrl Hot at all times Hot in run Hot in run or start I/p fuse block (behind glove box) L spd rly ctrl Low ref Mode actuator (under left side of dash, left side of hvac module) Nca Of engine) Powertrain control module (left front of engine compt, in air cleaner housing) Recirculation actuator (behind right side of dash, right of blower motor) Red S106 S107 S115 S208 S274 S275 S278 Serial data Solid state Speed ctrl Underhood fuse block (left) (right front of engine compt, near battery) Underhood fuse block (right) (right front of engine compt, forward of strut tower) Automatic A/C Wiring Diagram (3 of 3) for Buick Park Avenue Ultra 2002 List of elements for Automatic A/C Wiring Diagram (3 of 3) for Buick Park Avenue Ultra 2002: 28 B12 C1 f5 Compact disc changer Computer data lines system F8 c4 Hot in retained accessory power I/p fuse block (behind glove box) Inflatable restraint steering wheel module coil Interior lights system Nca Power distribution system Radio Rdo/ph fuse 5a Rear fuse block (below right side of rear seat) Serial data e&c Steering column fuse holder Steering wheel controls Strg whl ctlr Sw1 Sw2 Sw3 Sw4 Sw5 Sw6 Sw7 Sw8 Switch fuse 2a W/u1s Compressor Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Compressor Wiring Diagram for Buick Park Avenue Ultra 2002: 21 (engine harn, near compressor clutch) (engine harn, near compressor clutch) s107 5v ref A/c clu relay A/c clu fuse 10a A/c compres- sor clutch A/c compres- sor clutch diode (near a/c compressor) A/c press A/c refrigerant pressure sensor (near a/c compressor, on hose assy) Class 2 serial data Computer data lines system Ect sensor signal Engine coolant temperature (ect) sensor (left rear of engine) G102 (left side of engine) Hot in start or run Low ref Nca Powertrain control module (pcm) (left front of engine compt, in air cleaner housing) Relay control S115 (engine harn, 15 cm from pcm breakout) Underhood fuse block (left) (right front of engine compt, near battery)
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Buick Park Avenue Ultra 2002 List of elements for Anti-lock Brake Wiring Diagrams for Buick Park Avenue Ultra 2002: 84 (behind glove box) body control module (bcm) (body harn, near left kick panel) (engine harn, near lf wheel speed sensor breakout) (engine harn, near rf wheel speed sensor breakout) A1 c3 A11 c2 Abs 2 fuse 10a Abs fuse 10a Abs fuse 50a Abs ind lamp Abs ind sig Abs indicator B c6 B1 c1 B11 B12 B12 c2 B13 Battery Brake pressure modulator valve Computer data lines system Delivered torque output Driver information center (dic) E9 c3 Electronic brake control module (ebcm) (on left front corner of engine compt) Exterior lights system F12 c3 G104 (left rear of engine compt, on transmission) G202 (left kick panel) Ground-module Ground-pump motor Hot at all times Hot in run I/p fuse block (behind glove box) Ignition 3 Instrument panel cluster Lateral accelerometer Lateral accelerometer sensor (under left rear seat) Left front wheel speed sensor Left rear wheel speed sensor Lf wheel spd sens-ret Lf wheel spd sens-sig Lr wheel spd sens-ret Lr wheel spd sens-sig Nca Powertrain control module (pcm) (in air cleaner housing) Pump motor Rear fuse block (below right side of rear seat) Red Requested torque input Rf wheel spd sens-ret Rf wheel spd sens-sig Right front wheel speed sensor Right rear wheel speed sensor Rr wheel spd sens-ret Rr wheel spd sens-sig S111 S112 S198 S199 S220 S221 S299 Sens feed-5v Sensor ret Serial data class 2 Steering wheel pos Steering wheel position sensor (swps) (on base of steering column) Stop fuse 20a Stop lamp/at shift lock control (on brake pedal support) Stoplight sw Tan Torque delivered Torque desired Trac ctrl sw Trac off indicator Traction control switch Traction control system active Underhood fuse block (left) (on right front of engine compt, near battery) Var effort steering Variable effort steering actuator (on power steering rack) Vent tube Yaw rate sens Yaw rate sensor (under rear shelf, behind lid hinge)
ANTI-THEFT Forced Entry Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Forced Entry Wiring Diagram for Buick Park Avenue Ultra 2002: 70 (in left front door) (in right front door) (on center of rear compt. on latch) (right side of luggage compt, behind wheelhouse) A12 A15 A16 Ajar Ajar switch B (+) B15 B16 Body control module (behind glove box) C10 Class 2 data line Computer data lines system D12 Disarm/unlock Dome Door latch switch Driver door lock actuator Driver's door module (inside driver's door, above radio speaker) F10 F11 Front passenger door lock actuator Fuse 10a G400 Gnd Headlights flash Headlights system Horn relay control Horns system Hot at all times Hot in run & accy Hot in run or start I/p fuse block (behind glove box) Ign Instrument panel cluster(ipc) Key switch Left rear door lock actuator (in left front door) Left underhood fuse block (right front of engine compt) Lf door ajar in Lf door open in Lr door ajar in Lr door open in Mem/rfa fuse 10a Passenger's door module (inside front passenger's door, above radio speaker) Pnk Pnk e5 Pnk f5 Power distribution system Pwr door serial data Rear compartment lid ajar switch Rear door module (under right side of rear seat) Rear fuse block (below right side of rear seat) Red Remote control door lock reciever (under center of rear package shelf) Rf door ajar in Rf door open in Right rear door lock actuator (in left front door) Rr door ajar in Rr door open in S401 Sbmlcm fuse 10a Security indicator Serial data Serial data class 2 Tan Trunk ajar Wsw/rfa Pass-Key Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Pass-Key Wiring Diagram for Buick Park Avenue Ultra 2002: 30 B (+) B11 B12 Body control module (behind glove box) D12 Data link connector (dlc) (under left side of dash) Driver door module (inside driver's door) Electronic brake control module (on left front corner of engine compartment) G202 (left kick panel) Ground Hot at all times Hot in unlock, run or start I/p fuse block (behind glove box) Ign Ignition key Instrument panel cluster (ipc) Instrument panel integration module (near rear of glove box) Left underhood fuse block (right front of engine compartment) Pcm fuse 10a Pcm/ cru fuse 10a Pnk Power distribution system Powertrain control module (in air cleaner housing) Reader/ exciter Rear fuse block (below right side of rear seat) S298 Serial data class 2 Solid state Theft deterrent control module (in steering column) Transponder
BODY COMPUTER Body Computer Wiring Diagrams (1 of 2) for Buick Park Avenue Ultra 2002 List of elements for Body Computer Wiring Diagrams (1 of 2) for Buick Park Avenue Ultra 2002: 75 (right kick panel) (ub7 cluster) A10 A11 A12 Anti-lock brakes system B10 B11 B12 Battery positive voltage Body control module (sbm) (behind glove box) C10 C11 C12 C13 C14 C15 C16 C2 a6 Chime control Class 2 serial data Computer data lines system Courtesy lamp low ctrl Courtesy lamp switch sig Crank positive voltage Crk fuse 5a Cstr/sbm fuse 10a D10 D11 D12 D13 D14 D15 D16 Defogger system Driver seat belt switch sig Exterior lights system F5 c3 G201 G202 (left kick panel) Ground Headlamp off sig Headlamp sw headlamp off sig Heated seat ctrl mod enable sig Heated seat ctrl mod status sig Hot at all times Hot in off, run or start Hot in start I/p fuse block (behind glove box) Ignition positive voltage Inadvertent power Instrument cluster system Interior lamp ctrl Interior lamp relay coil ctrl Interior lights system Lamp control module (lcm) (behind left of dash, left of steering column) Off/run/crank voltage P/n position sw park sig Pnk Power distribution system Rear compt lock motor unlock Rear defogger relay ctrl Rear fuse block (below right side of rear seat) S208 S213 Sbm fuse 10a Seat belt indicator ctrl Seats system (heated seats) Shift interlock system Traction ctrl sw sig Trunk ajar sw sig Trunk, tailgate, fuel doors system Ub7 cluster Warning systems Windshield washer fluid level sig Body Computer Wiring Diagrams (2 of 2) for Buick Park Avenue Ultra 2002 List of elements for Body Computer Wiring Diagrams (2 of 2) for Buick Park Avenue Ultra 2002: 61 A10 A11 A12 A13 A14 A15 A16 Anti-theft system B10 B11 B12 B13 B14 B15 B16 Battery pos voltage C3 a5 C4 b1 Chime Class 2 serial data Computer data lines system Deck lid release Ex court lamp rly ctrl Exterior lights system F10 F11 G202 (left kick panel) G400 (right side of rear compt, rear of wheelhouse) Ground Headlamp alarm Headlights system Horn relay ctrl Horns system Hot at all times Hot in run or start Hot w/ accy relay energized I/p fuse block (behind glove box) I/p fuse block (behind glove box) Ignition 1 Ignition key alarm switch Ignition key in input Ignition pos voltage Interior lamp rly ctrl Left underhood fuse block (on right front of eng compt, near battery) Light/dark input Mem/rfa fuse 10a Pnk Power distribution system Program enable in Rap relay Rear compartment lid ajar switch (on center of rear compartment, on latch) Rear fuse block (below right side of rear seat) Remote control door lock receiver (rcdlr) (under center of rear package shelf) Retained access power S298 S401 Sbm lcm fuse 10a Security ind sup volt Trunk, tailgate, fuel doors system Windshield washer fluid level switch (on washer fluid reservoir) Wsw/rfa fuse 10a
COMPUTER DATA LINES Computer Data Lines for Buick Park Avenue Ultra 2002 List of elements for Computer Data Lines for Buick Park Avenue Ultra 2002: 46 (behind glove box) body control module (behind glove box) i/p fuse block (behind right side of dash, near rear of glove box) instrument panel integration module (ipm) (under center of rear package shelf) A12 A3 e&c serial data c1 A7 c2 B11 B12 B13 C10 C4 e&c serial data C7 c2 Cd changer-remote playback device D11 D12 D14 D15 Data link connector (dlc) (under left side of dash) Driver door module (ddm) (in driver's door, above radio speaker) Driver window switch E&c serial data E1 e&c serial data Electronic brake control module (ebcm) (on left front of engine compt, near base of radiator support) G202 (left kick panel) Hot at all times Inflatable restraint sensing & diagnostic module (sdm) (below right front seat, under carpet) Instrument panel cluster (ipc) Instrument panel integration module (ipm) (behind right side of dash, near rear of glove box) Memory seat module (msm) (on underside of left front seat, on seat adjuster frame) Passenger door module (pdm) (inside front passenger's door, above radio speaker) Powertrain control module (pcm) (on left front of engine compartment, in air cleaner housing) Radio Rear door module (rdm) (under right side of rear seat) Rear fuse block (below right side of rear seat) Remote control door lock receiver (rcdlr) Remote control door lock receiver (rcdlr) (under center of rear package shelf) S210 S213 Sbi data Serial data Theft deterrent control module (in steering column) Trk rel fuse 15a Vehicle interface unit (viu) (on right front of trunk, attached to seat back brace) W/ memory seat W/o memory seat
COOLING FAN Cooling Fan Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Cooling Fan Wiring Diagram for Buick Park Avenue Ultra 2002: 19 A10 Cool fan 1 fuse 30a Cool fan 2 fuse 30a Coolfan 1 relay Coolfan 2 relay Coolfan s/p relay Cooling fan (left) Cooling fan (right) D11 E10 F11 G105 (right front of eng compt, under battery tray) High spd fan relay control Hot at all times Low spd fan relay control Powertrain control module (pcm) (left front of engine compt, in air cleaner housing) Red Underhood fuse block (left) (right front of engine compt, near battery) Underhood fuse block (right) (right front of engine compt, forward of strut tower)
CRUISE CONTROL Cruise Control Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Cruise Control Wiring Diagram for Buick Park Avenue Ultra 2002: 47 A6 c2 All times B12 B6 c3 C10 C12 C202 Cr cont fuse 10a Cruise control module (on firewall, near brake master cylinder) Cruise enabled input Cruise engaged output Cruise inhibit input Cruise inhibit output Cruise on/off input Cruise switch G101 (left front of engine, under ignition control module bracket) Ground Hot at Hot in run Hot in run & start I/p junction block I/p junction block (behind glove box) Ignfd fuse 10a Ignition Left underhood fuse block Nca Off Pnk Powertrain control module (pcm) (left front of engine compt) R/a Rear fuse block (below right side of rear seat) Resume/accel input S108 Set Set/coast input Stop fuse 20a Stoplamp swich input Stoplamp switch (on brake pedal support) Stoplight switch (on brake pedal support) Tcc switch input Tcc/ cruise release switch Turn signal/ multifunction switch Vehicle speed input Vehicle speed sensor (vss) (lower right rear of engine compt) Vss high Vss low Vss output
DEFOGGERS Defogger Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Defogger Wiring Diagram for Buick Park Avenue Ultra 2002: 34 A2 c4 A4 c3 B3 c4 Body control module (bcm) (behind glove box) C11 c3 C12 C13 Clock signal Computer data lines system Ctrl signal Driver door module (ddm) (inside driver's door, above radio speaker) Driver outside rearview mirror E10 c1 E3 c4 Hot at all times Hot in run & crank Htd bk lite relay Hvac control module I/p fuse block (behind glove box) Ign sen fuse 10a Instrument panel integration module (ipm) (behind right side of dash, near rear of glove box) Low reference Passenger door module (pdm) (inside passenger's door, above radio speaker) Passenger outside rearview mirror Power distribution system Radio antenna module (behind left rear sail trim panel) Radio antenna module coil Rear defogger grid Rear fuse block (below right side of rear seat) Red Relay ctrl Right underhood fuse block Rrdefog fuse 40a Serial data
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Electronic Power Steering Wiring Diagram for Buick Park Avenue Ultra 2002: 19 Abs fuse 10a Abs fuse 50a Computer data lines system Electronic brake control module (ebcm) (on left front corner of engine compt) F12 G104 (left rear of eng compt, on transmission, near selector shaft) Hot at all times Hot in run I/p fuse block (behind glove box) Ignition Module ground Nca Pump ground Red Serial data Underhood fuse block (left) (on right front of engine compt, near battery) Variable effort steering actuator (on power steering rack) Ves cntl high Ves cntl low
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Electronic Suspension Wiring Diagram for Buick Park Avenue Ultra 2002: 29 (left side of luggage compt, rear of wheelhouse) g402 (right side of rear compt, rear of wheelhouse) g403 Automatic level control compressor (on right rear of vehicle, right of rear frame rail) Automatic level control sensor (left front side of rear suspension support assembly) Battery (b+) C11 Compressor control Compressor motor D10 D11 D12 Elc circuit breaker 30a Elc fuse 10a Electronic level control relay Exhaust solenoid Exhaust solenoid control F11 F12 Ground Hot at all times Hot in run I/p fuse block (behind glove box) Ign Nca Nca c Rear fuse block (below right side of rear seat) S400 S401 Test output
ENGINE PERFORMANCE
3.8L 3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 2002 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 2002: 88 (left front of engine, below icm) g101 (left side of eng) knock sensor (ks) bank 1 (not used) 1-2 shift sol control 18x ref 18x reference 2-3 shift sol control 3x ref 3x reference A/t speed sensor high A/t speed sensor low Bank 1 ks input Bank 2 ks input Battery Bypass C3i fuse 10a Ckp 18x sig Ckp sync sig Cmp input Cmp output Cmp signal Computer data lines system Cooling fan system Cruise control system Cruise disable/inhibit in Cruise module, hud dis- play & inst cluster Desired torque input E12 Ect sensor ground Egr control ground Egr pos sensor ground Electronic brake control module (ebcm) (left front of eng compt, base of rad supp) Evap purge valve cont Evaporative emissions (evap) purge valve (top of engine) F12 Fuel inj 1 control Fuel inj 2 control Fuel inj 4 control Fuel inj 5 control Fuel inj 6 control G100 (left front of engine, below icm) Ground Hi speed cool fan cont Ho2s 1 low Ho2s 2 low Hot at all times Hot in off, run & start Hot in run & start I/p fuse block Iac coil b high Iat sensor ground Ign Ign control Ign voltage Ignfd fuse 10a Ignition Ignition control Ignition control (ic) module (left front of eng, under ign coils) Knock sensor (ks) bank 2 (right side of eng) Lo speed cool fan cont Maf sensor input Map sensor ground Mass airflow (maf) sensor (rear of eng, top of throttle body) Pcm fuse 10a Pcm ground Pcm/cru fuse 10a c3 Pnk Pnk a Powertrain control module (pcm) (in air cleaner housing) Rear fuse block (below right side of rear seat) Ref low Reference low S108 Serial data (class 2) Signal Tan Tcc switch (on brake pedal support) Tcc switch input Torque signal Tp sensor ground Trans range a input Trans range sw b input Underhood fuse block (left) (near battery) a12 Vacuum valve cntrl Vehicle speed sensor (vss) (right rear of eng compt, on transaxle) Vss high Vss low Vss output 3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 2002 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 2002: 29 (ign cont module harn, 26 cm from ign cont module) (left front of engine below icm) (top right front of transaxle) park/neutral position (pnp) switch 1-2 shift sol 2-3 shift sol A pnk Automatic transaxle Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor Automatic transmission Camshaft position sensor (cmp) (right front of eng) Crankshaft position sensor (ckp) (left front of eng) Fuel injectors G101 Hot in run & start Injr fuse 10a Pnk Pressure control sol Red Rev S108 S135 S136 (ign cont module harn, 20 cm from ign cont module) Secondary air injection solenoid (on eng cover mounting bracket) Tan Tcc pwm sol Tcc rel Underhood fuse block (left) (near battery) 3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 2002 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 2002: 35 (eng harn, 15 cm from cruise module breakout) (eng harn, 47 cm from pcm) s105 (in fuel tank) fuel pump & sender assembly (left front of engine compt) secondary air injection pump (left front of engine, below icm) g101 (left kick panel) (right side of rear compt, rear of wheelhouse) g400 A/c refrigerant pressure sensor (near a/c compressor, on hose assembly) Air pump fuse 30a Air pump relay Air sol fuse 10a B10 D10 Engine oil pressure sensor (below power steering pump) Exhaust gas recirculation (egr) valve (top right rear of engine) F/pmp fuse 20a Fuel pump Fuel pump relay Fuel tank pressure sensor (in fuel tank) G105 (below battery tray) G202 Hot at all times Intake air temperature (iat) sensor (in air intake assmebly) Manifold absolute pressure (map) sensor (top right side of engine) Pnk Red S108 S115 S203 S401 Stoplamp switch (brake pedal support) Tan Throttle position (tp) sensor (on throttle body) Underhood fuse block (left) (near battery) Underhood fuse block (right) (right front of eng compt, forward of strut tower) 3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 2002 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 2002: 78 (behind glove box) i/p fuse block 5 volt reference a 5 volt reference b A/c clu fuse 10a A/c comp relay control A/c press sensor in A/c system A/t fluid temp input A13 Abs switch input Air pump relay cntrl Boost solenoid control C11 Crk fuse 5a Cruise control Cruise status D11 Desired torque control E11 E12 Ect sensor input Egr pintel position input Egr valve control Eng oil level sw input Eng oil press sensor in Engine coolant temperature (ect) sensor (thermostat housing) Engine oil level switch (on engine oil pan) Evap solenoid control Evaporative emissions (evap) canister vent solenoid (below rear of vehicle on evap canister) Fuel inj 3 control Fuel pump relay control Fuel tank press sensor G101 (left front of engine, below icm) Gen term f monitor Gen term l control Heated oxygen sensor (ho2s) 1 (on right exhaust manifold) Heated oxygen sensor (ho2s) 2 (rear of cat converter) Ho2s 1 input Ho2s 2 input Hot in run & start Hot in start Iac coil a high Iac coil a low Iac coil b low Iat sensor input Idle air control (iac) valve (on top of throttle body) Ignition Instrument cluster Map sensor input Mil control Mil ind Nca Oxy sen fuse 10a Pcm fuse 10a Pnk Powertrain control module (pcm) (in air cleaner housing) Press sol high control Press sol low control Rear fuse block (below rear seat) Red S108 Sbm lcm fuse 10a Sensor ground Starter relay Starting/ charging system Super charger boost control solenoid (vin 1) (top left rear of engine) Tach input Tach output Tan Tcc pwm sol control Tp sensor input Trans range b input Trans range c input Trans range sw c input Trans range sw d input Trans range sw p input Trans tcc release sw in Underhood fuse block (left) (near battery) 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 2002 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 2002: 88 (left front of engine, below icm) g101 (left side of eng) knock sensor (ks) bank 1 (not used) 1-2 shift sol control 18x ref 18x reference 2-3 shift sol control 3x ref 3x reference A/t speed sensor high A/t speed sensor low Bank 1 ks input Bank 2 ks input Battery Bypass C3i fuse 10a Ckp 18x sig Ckp sync sig Cmp input Cmp output Cmp signal Computer data lines system Cooling fan system Cruise control system Cruise disable/inhibit in Cruise module, hud dis- play & inst cluster Desired torque input E12 Ect sensor ground Egr control ground Egr pos sensor ground Electronic brake control module (ebcm) (left front of eng compt, base of rad supp) Evap purge valve cont Evaporative emissions (evap) purge valve (top of engine) F12 Fuel inj 1 control Fuel inj 2 control Fuel inj 4 control Fuel inj 5 control Fuel inj 6 control G100 (left front of engine, below icm) Ground Hi speed cool fan cont Ho2s 1 low Ho2s 2 low Hot at all times Hot in off, run & start Hot in run & start I/p fuse block Iac coil b high Iat sensor ground Ign Ign control Ign voltage Ignfd fuse 10a Ignition Ignition control Ignition control (ic) module (left front of eng, under ign coils) Knock sensor (ks) bank 2 (right side of eng) Lo speed cool fan cont Maf sensor input Map sensor ground Mass airflow (maf) sensor (rear of eng, top of throttle body) Pcm fuse 10a Pcm ground Pcm/cru fuse 10a c3 Pnk Pnk a Powertrain control module (pcm) (in air cleaner housing) Rear fuse block (below right side of rear seat) Ref low Reference low S108 Serial data (class 2) Signal Tan Tcc switch (on brake pedal support) Tcc switch input Torque signal Tp sensor ground Trans range a input Trans range sw b input Underhood fuse block (left) (near battery) a12 Vacuum valve cntrl Vehicle speed sensor (vss) (right rear of eng compt, on transaxle) Vss high Vss low Vss output 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 2002 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 2002: 29 (ign cont module harn, 26 cm from ign cont module) (left front of engine below icm) (top right front of transaxle) park/neutral position (pnp) switch 1-2 shift sol 2-3 shift sol A pnk Automatic transaxle Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor Automatic transmission Camshaft position sensor (cmp) (right front of eng) Crankshaft position sensor (ckp) (left front of eng) Fuel injectors G101 Hot in run & start Injr fuse 10a Pnk Pressure control sol Red Rev S108 S135 S136 (ign cont module harn, 20 cm from ign cont module) Secondary air injection solenoid (on eng cover mounting bracket) Tan Tcc pwm sol Tcc rel Underhood fuse block (left) (near battery) 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 2002 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 2002: 35 (eng harn, 15 cm from cruise module breakout) (eng harn, 47 cm from pcm) s105 (in fuel tank) fuel pump & sender assembly (left front of engine compt) secondary air injection pump (left front of engine, below icm) g101 (left kick panel) (right side of rear compt, rear of wheelhouse) g400 A/c refrigerant pressure sensor (near a/c compressor, on hose assembly) Air pump fuse 30a Air pump relay Air sol fuse 10a B10 D10 Engine oil pressure sensor (below power steering pump) Exhaust gas recirculation (egr) valve (top right rear of engine) F/pmp fuse 20a Fuel pump Fuel pump relay Fuel tank pressure sensor (in fuel tank) G105 (below battery tray) G202 Hot at all times Intake air temperature (iat) sensor (in air intake assmebly) Manifold absolute pressure (map) sensor (top right side of engine) Pnk Red S108 S115 S203 S401 Stoplamp switch (brake pedal support) Tan Throttle position (tp) sensor (on throttle body) Underhood fuse block (left) (near battery) Underhood fuse block (right) (right front of eng compt, forward of strut tower) 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 2002 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 2002: 78 (behind glove box) i/p fuse block 5 volt reference a 5 volt reference b A/c clu fuse 10a A/c comp relay control A/c press sensor in A/c system A/t fluid temp input A13 Abs switch input Air pump relay cntrl Boost solenoid control C11 Crk fuse 5a Cruise control Cruise status D11 Desired torque control E11 E12 Ect sensor input Egr pintel position input Egr valve control Eng oil level sw input Eng oil press sensor in Engine coolant temperature (ect) sensor (thermostat housing) Engine oil level switch (on engine oil pan) Evap solenoid control Evaporative emissions (evap) canister vent solenoid (below rear of vehicle on evap canister) Fuel inj 3 control Fuel pump relay control Fuel tank press sensor G101 (left front of engine, below icm) Gen term f monitor Gen term l control Heated oxygen sensor (ho2s) 1 (on right exhaust manifold) Heated oxygen sensor (ho2s) 2 (rear of cat converter) Ho2s 1 input Ho2s 2 input Hot in run & start Hot in start Iac coil a high Iac coil a low Iac coil b low Iat sensor input Idle air control (iac) valve (on top of throttle body) Ignition Instrument cluster Map sensor input Mil control Mil ind Nca Oxy sen fuse 10a Pcm fuse 10a Pnk Powertrain control module (pcm) (in air cleaner housing) Press sol high control Press sol low control Rear fuse block (below rear seat) Red S108 Sbm lcm fuse 10a Sensor ground Starter relay Starting/ charging system Super charger boost control solenoid (vin 1) (top left rear of engine) Tach input Tach output Tan Tcc pwm sol control Tp sensor input Trans range b input Trans range c input Trans range sw c input Trans range sw d input Trans range sw p input Trans tcc release sw in Underhood fuse block (left) (near battery)
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Back-up Lamps Wiring Diagram for Buick Park Avenue Ultra 2002: 22 (under center of rear package shelf) remote control door lock receiver (rcdlr) Automatic transaxle Automatic transaxle internal mode switch B/u lp fuse 10a Computer data lines system G101 (left front of engine, under ignition control module bracket) G400 (right side of rear compt, rear of wheelhouse) Hot at all times I/p fuse block Left back-up lamp Mirrors system (automatic day/night mirrors) Navigation system parking assist circuit) Perim lp relay Powertrain control module (in air cleaner housing) Reverse lp rly ctrl Right back-up lamp S108 S408 (taillamp harness) S409 Serial data Tr sw a Tr sw b Exterior Lamps Wiring Diagram (1 of 2) for Buick Park Avenue Ultra 2002 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Buick Park Avenue Ultra 2002: 73 (behind left side of dash, right of steering column) (left rear engine compt) g106 (taillamp harness) s406 (taillamp harness) s407 A10 A11 A14 B10 B11 B12 Batt (b+) Body control module (bcm) (behind glove box) C12 Center high mount stop lamps (chmsl) Closed w/ hood open D12 E11 E12 F10 G105 (beneath battery tray) G202 (left kick panel) G400 (right side of rear compt, rear of wheel- house) G400 (right side of rear compt, rear of wheelhouse) Ground Haz sig in Hdlp maxifuse 30a Head Headlamp switch Hot at all times Hot in run or start Hzdt/sg fuse 15a I/p fuse block Interior lights system Lamp control module (lcm) Left cornering lamp Left tail/ stop lamp Left tail/turn signal lamp License lamp Lp pk fuse 25a Lp pk l fuse 10a Lp pk r fuse 15a Lt turn in Lt turn out Nca Off Park Pnk Rear fuse block Red Remote control door lock receiver (rcdlr) (under center of rear package shelf) Right cornering lamp Right tail/ stop lamp Right tail/turn signal lamp Rt turn in Rt turn out S102 S200 (body harness, left side of steering column) S201 (body harn, left side of steering column) S203 S205 S210 S299 S401 S409 Sbm/lcm fuse 10a Stop fuse 10a Stoplamp/ a/t shift lock control switch (behind dash, on brake pedal support) T/sig fuse 10a Tan Turn signal/ multifunction switch Turn signal/hazard flasher module (behind dash, right of steering column carrier) Underhood fuse block Underhood lamp Exterior Lamps Wiring Diagram (2 of 2) for Buick Park Avenue Ultra 2002 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Buick Park Avenue Ultra 2002: 32 (left rear eng compt, near wind- shiled washer bottle) g106 (rear lamp harness) s402 (right side of rear compt, rear of wheelhouse) g400 B11 E10 G105 (beneath battery tray) G402 (left side of luggage compt, rear of wheelhouse) I/p fuse block Instrument panel cluster (ipc) Interior lights system Left front marker lamp Left front park/ turn signal lamp Left rear marker lamp Left tail/ stop lamp Left tail/turn signal lamp Left turn in Left under- hood fuse block Rear fuse block Right front marker lamp Right front park/turn signal lamp Right rear marker lamp Right tail/ stop lamp Right tail/turn signal lamp Right turn in S101 S102 S400 S401 S403 (rear lamp harness) S404 S405 Tan
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Buick Park Avenue Ultra 2002 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Buick Park Avenue Ultra 2002: 53 A/c compressor clutch A/c compressor clutch diode Automatic transaxle Automatic transaxle internal mode switch Battery Brake pressure modulator valve C1 f5 C100 C119 C2 a5 Calif Cool fan s/p relay Cruise control module E10 Electronic brake control module Engine oil level switch F/pump relay G100 (left front of engine, under igniton control module bracket) G101 (left front of engine, under igniton control module bracket) G102 (lower left side of engine) G103 (near underhood fuse block) G104 (left rear of engine compt, on transmission, near selector shaft) G105 (beneath battery tray) G106 (left rear engine compt, near windshield washer bottle) Heated oxygen sensor (ho2s) sensor 1 Ign relay Ignition control module Left cornering lamp Left front park/ turn signal lamp Left high beam headlamp Left horn Left low beam headlamp Left underhood junction block Mass airflow sensor (maf) Nca Oxygen sensor (o2s) sensor 2 Powertrain control module Right cooling fan Right cornering lamp Right front park/ turn signal lamp Right high beam headlamp Right horn Right low beam headlamp S100 (body harn, 17 cm from 5-pin inline conn, near left side of eng compt) S101 (forward lamp harn, aprrox 33 cm (12.9 in) from g106 ground) S101 (forward lamp harn, aprrox 54 cm (21.2 in) from underhood fuse block) S106 (eng harn, 18 cm from a/c comp clutch breakout) S108 (eng harn, 6 cm from cruise control module breakout) S109 (in right headlamp harness) S110 (left headlamp harness) Secondary air injection (air) pump Windshield washer fluid pump Windshield wiper motor Ground Distribution Wiring Diagram (2 of 3) for Buick Park Avenue Ultra 2002 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Buick Park Avenue Ultra 2002: 71 (body harn, 35 cm from right kick panel g203 breakout) s208 A11 a11 A12 Accessory power outlet Accessory relay Ambient light sensor Ashtray lamp B10 B11 Blower motor control processor Body control module Brake fluid level switch Breakout) C16 Cigar lighter instrument panel Column harn) D16 Data link connector Driver door module Driver heated seat module Driver heated seat switch Driver seat adjuster switch Driver seat lumbar switch Front accessory power outlet Front passenger heated seat module Front passenger heated seat switch Front passenger seat adjuster switch Fuel door release switch G201 (right kick panel) G202 (left kick panel) Head up display Head- lamp dimmer switch Headlamp switch Hvac control module I/p compartment lamp switch I/p dimming module I/p junction block Ignition 3 relay Ignition key alarm switch Inflatable restraint steering wheel module coil Instrument panel integration module (ipm) Lamp control module Left front seat belt switch Left steering wheel controls Memory seat module (msm) Nca Passenger door module Rear accessory power outlet Rear compartment lid release switch Rear door module Rear fuse block Remote playback device- cd changer Right air temperature switch assembly Right seat lumbar switch Right steering wheel controls S203 (body harn, 6 cm from left front door breakout) S207 (body harn, 30 cm from right kick panel g203 breakout) S217 (knee bolster jumper harn, left of glove box) S298 (steering column harness) S332 (left front seat harness, below seat) S360 (onstar harn, in right rear of passenger compt) Stop lamp switch Theft deterrent control module To s205 (diagram 3 of 3) To s206 (diagram 3 of 3) Traction control switch Turn signal/ multi- function switch Vehicle interface unit W/ memory/ heated seat/ power lumbar W/o memory/ heated seat/ power lumbar Windshield washer fluid level switch Ground Distribution Wiring Diagram (3 of 3) for Buick Park Avenue Ultra 2002 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Buick Park Avenue Ultra 2002: 82 (body harn, 31.5 cm from left kick panel g200 breakout) (body harness, 30 cm g402 breakout) (diagram 2 of 3) (headliner harn) s303 (i/p harn, 18.5 cm from head up display module breakout) s210 (onstar harn, in right rear of passanger compt) (taillamp harness, left rear corner of luggage compt) A/t shiftlock control solenoid A12 A18 Audio amplifier Automatic level control compressor Automatic level control sensor B10 B16 C1 d Center high mount stop lamp Data link connector Driver door lock switch Driver door module Driver information center switch E16 From g202 Fuel pump G306 (below right front seat) G400 (right side of rear compt, rear of wheelhouse) G402 (left side of luggage compt, rear of wheelhouse) Garage door opener Head up display switch Inflatable restraints sensing & diagnostic module Inside rear view mirror Instrument cluster Lamp control module Left back up lamp Left front reading lamp switch Left front vanity mirror Left marker lamp Left rear door cigar lighter Left rear reading lamp switch Left rear vanity mirror Left tail/ stop lamp Left tail/ turn lamp License lamp Memory personal- ization function switch Nca Outside moisture sensor Radio Rear compart- ment lid ajar switch Rear compt lid release actuator Rear door module Rear junction block Remote control door lock receiver Remote playback device- cd changer Right back-up lamp Right front reading lamp switch Right front vanity mirror Right rear door cigar lighter Right rear marker lamp Right rear reading lamp switch Right rear vanity mirror Right tail/ signal lamp Right tail/ stop lamp Right tail/ turn lamp S205 (body harn, 38 cm from left kick panel g200 breakout) S206 S209 (i/p harn, 47 cm from dlc breakout) S306 (headliner harn, 58 cm from inside rearview mirror) S308 (headliner harn, aprrox 20 cm from left rear vanity lamp) S360 S400 S401 (body harn, right "c" pillar) S404 (left rear corner lamp harness) S405 (right rear corner lamp harn) S409 S503 (left front door harn, 29.5 cm from door switch breakout) Sensing & diagnostic module breakout) Sunroof module To g202 (diagram 2 of 3) Turn signal hazard flasher module Under- hood lamp Vehicle interface unit W/ u99
HEADLIGHTS Headlight Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Headlight Wiring Diagram for Buick Park Avenue Ultra 2002: 84 (behind glove box) (near windshield washer bottle) 200k ohms 3.6k ohm A/t shiftlock control solenoid A11 Alarm sig Ambient light input Ambient light sensor (top center of dash) B c1 B10 B11 B12 Battery Body control module (bcm) (behind glove box) Body control module (behind glove box) Btsi drive C12 D10 Drl hi-beam E12 F10 Flash Flash -to- pass switch Flash pass G105 (base of right front strut tower) G106 G202 (left kick panel) Gnd Ground distribution system Hdhibml fuse 10a Hdhibmr fuse 10a Hdlobml fuse 10a Hdlobmr fuse 10a Hdlp alarm signal Hdlp fuse 30a Hdlp sw in Headlamp dimmer switch Headlamp switch Hi-beam Hi-beam ind Hi-beam sw High beam indicator High beam switch Hot at all times Hot in run or start I/p fuse block I/p fuse block (behind glove box) Ign (r/s) in Instrument panel cluster Lamp control module (lcm) (right of steering column) Left high beam headlamp Left low beam headlamp Left underhood fuse block (near battery) Lights off input Low-beam Lps off sig Navigation system Nca P gear in Park lamp switch Pk lp fuse 25a Pk lp sw in Pnk Red Remote control door lock receiver (under center of rear shelf) Right high beam headlamp Right low beam headlamp S101 S102 S109 S110 S203 S210 S213 S299 Sbm lcm fuse 10a Stoplamp/ auto transmission shift lock control switch (brake pedal support) Tan Twilight delay switch Twilight sentinel switch Twlt delay W/ drl delete W/o drl delete
HORN Horn Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Horn Wiring Diagram for Buick Park Avenue Ultra 2002: 22 (left front corner of vehicle) (under right side of rear seat) 3 note horn) (right front corner of vehicle) C1 e2 E11 F10 G105 (beneath battery tray) G106 (left rear engine compt, near windshield washer bottle) Horn fuse 30a Horn relay Horn switch Hot at all times Inflatable restraint steering wheel module Left horn Left horn (left front corner of vehicle) Left underhood fuse block (right front of engine compartment, near battery) Nca Rear fuse block Right horn (w/rpo u06 S101 S102 Vehicle interface unit (viu) (on right front of trunk, attached to seat brace)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (2 of 2) for Buick Park Avenue Ultra 2002 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Buick Park Avenue Ultra 2002: 35 (on right front of eng compt, near battery) underhood fuse block (left) (right side of luggage compt, behind wheelhouse) g400 A11 B10 C1 b9 C11 C2 e4 C3 e9 C4 b4 D11 E11 Engine speed Fuel tank unit (in fuel tank) G202 (left kick panel) Ground Head up display switch Head-up display (behind upper left side of dash) Hot in run & start Hud clock Hud data Hud fuse 10a Hud motor Hud strobe Hud sw out I/p fuse block (behind glove box) Ignition Interior lights system Lamp feed Nca Powertrain control module (on left front of engine compt, in air cleaner housing) Rear object sensor control module S213 S303 Vehicle speed Vss signal
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Buick Park Avenue Ultra 2002 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Buick Park Avenue Ultra 2002: 59 (body harn, aprox 32 cm from 10-pin conn near left rear door grommet) (left front door harn, approx 4 cm from left door sw breakout) s501 A10 c4 A3 c1 A9 c1 Actuator gnd a c3 B10 c4 Battery voltage Body control module (behind glove box) C10 Class 2 serial data line Class 2 serial data line c1 Computer data lines system D1 c2 D4 c1 D9 c4 Door open input c Driver's door module (inside driver's door, above radio speaker) E6 c2 G201 (right kick panel) G400 (right side of rear compt, rear of wheel- house) Hot at all times I/p compartment lamp I/p compartment lamp switch I/p fuse block (behind glove box) Inadvertent power d1 Left footwell courtesy lamp Left front door courtesy lamp Left front door lock actuator Left rear door courtesy lamp Left rear door lock actuator Lr actuator gnd a9 Lr door open input a7 Passenger's door module (inside passenger's door, above radio speaker) Rear compartment courtesy lamp switch Rear compartment lamp Rear door module (under right side of rear seat) Rear fuse block (below right side of rear seat) Rear junction block (under right side of rear seat) Red Right footwell courtesy lamp Right front door courtesy lamp Right front door lock actuator Right rear door courtesy lamp Right rear door lock actuator Rr actuator gnd a3 c1 Rr door open input a5 S217 S311 S401 S600 (right front door trim jumper, approx 61 cm from 8-pin conn in rf door) Sbm fuse 10a Simple bus interface Simple bus interface a12 Simple bus interface c1 Tan Theatre dim-1 c14 c1 To i/p junction block (diagram 2 of 2) To s301 (diagram 2 of 2) Courtesy Lamps Wiring Diagram (2 of 2) for Buick Park Avenue Ultra 2002 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Buick Park Avenue Ultra 2002: 35 Body control module (behind glove box) C15 Courtesy lamp input Courtesy lamps switch D10 D13 From left footwell courtesy lamp (diagram 1 of 2) From rear junction block (diagram 1 of 2) G202 (left kick panel) G400 (right side of rear compt, rear of wheelhouse) Garage door opener Headlamp switch I/p junction block (behind glove box) c1 Left front courtesy/ reading lamp Left front reading lamp switch Left front vanity mirror Left rear courtesy/ reading lamp Left rear reading lamp switch nca Left rear vanity mirror Nca Office work lamp Relay coil ctrl Relay coil ctrl b1 Remote control door lock receiver (under center of rear package shelf) Right front courtesy/ reading lamp Right front reading lamp switch Right front vanity mirror Right rear courtesy/ reading lamp Right rear reading lamp switch Right rear vanity mirror S302 (headliner harn, approx 60 cm from breakout to in-line conn) S303 S304 (headliner harn, approx 47 cm from breakout to inside rear view mirror) S308 Theatre dim-2 Instrument Illumination Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Instrument Illumination Wiring Diagram for Buick Park Avenue Ultra 2002: 62 (behind left side of dash, right of steering column) (i/p harn, approx 48 cm from radio breakout) s211 (knee bolster jumper harn, behind center of dash) s216 (right kick panel) 40k ohm A14 Ashtray lamp B16 C2 i/p fuse block (behind glove box) c3 D14 Dim enable in Dim enable input Dim enable output Dimming in Dimming input Dimming out Driver door lock switch Driver heated seat switch Driver information switch Driver window swtich Driver's door module (ddm) (inside driver's door, above radio speaker) Front passenger door lock switch Front passenger heated seat switch Front passenger window switch G201 G201 (right kick panel) G202 (left kick panel) Ground Head-up display (hud) module (behind upper left side of dash) Headlamp switch Hvac control module (6 bulbs) I/p dimming module I/p fuse block (behind glove box) I/p fuse block (behind glove box) c3 Inflatable restraint steering wheel module coil Instrument cluster Instrument panel integration module Lamp control module (lcm) Left side steering wheel controls Nca Park lamp drive Passenger's door module (pdm) (inside front passenger's door, above radio speaker) Pnk Prk lp input Radio Right air temperature switch assembly Right side steering wheel controls S205 S208 S210 S212 (i/p harn, approx 51cm from heater and a/c control breakout) S213 S217 S298 S502 (left front door harn, approx 23 cm from left door sw breakout) S503 S602 (right front door harn, in right front door) Steering column fuse holder Switch fuse 2a Vf dim in Vf dim input Vf dim out
MEMORY SYSTEMS Memory Mirrors Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Memory Mirrors Wiring Diagram for Buick Park Avenue Ultra 2002: 47 Batt(+) Battery C1 a12 C10 Ddm fuse 10a Driver Driver 1 input Driver 2 input Driver door switch assembly Driver outside rearview mirror Driver's door module (inside driver's door, above radio speaker) Exit G201 (right kick panel) G202 (left kick panel) Gnd Heating element feed Heating element return Hot at all times I/p fuse block Left/ right motor Left/ right motor position sensor Left/right motor control Left/right motor position input Logic gnd Memory/ personalization function switch Mirror heating element Motor control c4 Motor control c5 Passenger outside rearview mirror Passenger's door module (inside passenger's door, above radio speaker) Pdm fuse 10a Pnk Postion sensors feed Postion sensors return Rear door module Rear fuse block S203 S205 S207 S208 S503 Serial data Up/ down motor Up/ down motor position sensor Up/down Up/down motor control Up/down motor position input Memory Seat Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Memory Seat Wiring Diagram for Buick Park Avenue Ultra 2002: 99 (15 cm from memory seat module) (in left front seat harn, below left front seat) (lumbar harn, under left front seat, 50 cm from 4-pin in-line conn) A10 A11 Battery Belt tower Belt tower dn signal Belt tower position sensor Belt tower up signal C10 C11 C12 C13 C14 C15 C16 C317 Class 2 data Computer data lines system D10 D11 D12 D13 D14 D15 D16 Driver Driver door switch assembly Driver input Driver seat Driver seat adjuster switch Driver seat belt tower motor Driver seat front vertical motor Driver seat front vertical position sensor Driver seat horizontal motor Driver seat horizontal position sensor Driver seat lumbar hori- zontal motor Driver seat lumbar hori- zontal position sensor Driver seat lumbar switch Driver seat lumbar vertical motor Driver seat lumbar vertical position sensor Driver seat rear vertical motor Driver seat rear vertical position sensor Driver seat recline motor Driver seat recline position sensor Drivers door module (inside driver's door) Exit F10 Frnt hgt mtr sens in Front Front height sw input Fwd Fwd-bk mtr sens in Fwd/bk sw input G201 (right kick panel) G202 (left kick panel) Ground Hot at all times Hot in run or start I/p fuse block Ign sen fuse 10a Ignition Lumbar down in Lumbar in input Lumbar in/out sens in Lumbar out in Lumbar up in Lumbar up/dn sens in Mem/ rfa fuse 10a Memory seat module (on underside of left front seat, on seat adjuster frame) Memory/ personalization function switch Nca Out Pnk b Position sensors feed Pwr seat circuit breaker 25a Rear Rear fuse block Rear height sw input Rear hgt mtr sens in Recline Recline mtr sens in Recliner sw input Red Red b S332 S334 S335 S336 S337 S338 S339 S503 Serial data Solid state Tan Tan a Tower mtr sens in
NAVIGATION Parking Assistant Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Parking Assistant Wiring Diagram for Buick Park Avenue Ultra 2002: 46 (right side of luggage compt, behind wheelhouse) g400 Amber center ind ctrl Amber center indicator Amber outside ind ctrl Amber outside indicator Assist diagnostic connector B/u lp fuse 10a Backup lamp voltage Body control module (behind glove box) Diagnostic input Engine control system F12 Ground Hot at all times Hot in run or start I/p fuse block Left rear corner object sensor (on left corner of rear bumper fascia) Left rear middle object sensor (on left middle of rear bumper fascia) Left underhood fuse block Low ref Lr corner sensor sig Lr middle sensor sig Perim lp relay Pnk Rear fuse block Rear object sensor control module (under right side of rear window shelf) Rear park assist display Rear park chime sig Rear parking a Red Red ind ctrl Red indicator Remote control door lock receiver (under center of rear package shelf) Right rear corner object sensor (on right corner of rear bumper fascia) Right rear middle object sensor (on right middle of rear bumper fascia) Rr corner sensor sig Rr middle sensor sig S315 (rear parking assist harness, approx 36 cm from connector to body harn) S316 (rear parking assist harness, approx 56 cm from connector to body harn) S401 Sbm/lcm fuse 10a Sensor low ref Sensor signal Sensor voltage Telltail assy voltage Vss signal
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Buick Park Avenue Ultra 2002 List of elements for Power Distribution Wiring Diagram (1 of 4) for Buick Park Avenue Ultra 2002: 69 (center on star harness, 12 cm from c345) s361 A10 c1 A12 Abs fuse 50a Amplifier B10 B12 Bat 1 fuse 60a Bat 2 fuse 60a Battery Blo mot fuse 30a Blower control module processor Body control module C/ltr fuse 15a Cd/ph fuse 10a Cool fan 2 fuse 30a Cool fan 2 relay Cool fan 2 relay (low speed) Cool fan s/p relay Cstr/sbm fuse 10a Data link connector Ddm fuse 10a Driver door module Driver heated seat module E11 E12 E16 Electronic brake control module F/pmp fuse 20a F10 F11 F16 Fuel door release solenoid Fuel pump relay G201 (right kick panel) Generator Hdlp fuse 30a Htdstl fuse 10a I/p cigar lighter I/p fuse block Ign fuse 40a Instrument panel cluster Instrument panel integration module Lamp control module Left underhood fuse block Passenger door module Pdm fuse 10a Radio Rdm fuse 10a Rdo fuse 10a Rear door module Rear fuse block Red Remote playback device- cd changer Run/crk fuse 15a S217 Sbm fuse 10a Starter Starter fuse 30a Starter relay To i/p fuse block pin d10 (diagram 3 of 4) To ign relay (diagram 3 of 4) To lp pk fuse (diagram 4 of 4) To rear fuse block pins a7 & b7 (diagram 2 0f 4) To rr defog fuse (diagram 2 of 4) To run fuse (diagram 3 of 4) Trk rel fuse 15a Trunk lid release relay Vehicle interface unit Power Distribution Wiring Diagram (2 of 4) for Buick Park Avenue Ultra 2002 List of elements for Power Distribution Wiring Diagram (2 of 4) for Buick Park Avenue Ultra 2002: 76 (body harn, 6 cm from passenger seat harn breakout) s300 (left front seat harn, 31.5 cm from left front seat switch) (right front seat harn, 31.5 cm from right seat switch) s331 A10 A11 A12 A16 Accessory power outlet Air pump fuse 40a Air pump relay Automatic level control compressor Automatic level control sensor Aux otlt fuse 25a Aux otlt fuse 30a B12 C/ltr l fuse 15a C/ltr r fuse 15a C11 Cool fan 1 relay (high speed) Cool fan 2 fuse 30a D11 Driver adjuster seat switch Driver door module Driver seat adjuster switch Driver seat lumbar switch E12 Elc circuit breaker 30a Elc relay F10 From batt 2 fuse (diagram 1 0f 4) From battery (diagram 1 0f 4) Front accessory power outlet Front passenger heated seat module Front passenger seat adjuster switch G201 (right kick panel) G402 (left side of luggage compt, rear of wheelhouse) G403 (right side of rear compt, rear of wheelhouse) Htd bk lite relay Htdst r fuse 10a I/p fuse block Inflatable restraint steering wheel module coil Left rear door cigar lighter Left underhood fuse block Mem/rfa fuse 10a Memory seat module Nca Passenger door module Pwr seat circuit breaker 25a Pwr wdo circuit breaker 30a Radio Rap relay Rdo/ph fuse 5a Rear accessory power outlet Rear defog fuse 40a Rear door module Rear fuse block Red Remote function actuator module Right rear door cigar lighter Right seat lumbar switch Right steering wheel controls Right underhood fuse block S202 (body harn, left rear of engine compt) S208 S332 S338 S400 S401 Steering column fuse holder Sunrf fuse 20a Sunroof module Switch fuse 2a W/ custom front console W/ memory seats & power lumbar W/o custom front console W/o memory seats & power lumbar Power Distribution Wiring Diagram (3 of 4) for Buick Park Avenue Ultra 2002 List of elements for Power Distribution Wiring Diagram (3 of 4) for Buick Park Avenue Ultra 2002: 86 A/c fuse 10a A11 Abs fuse 10a Accy Accy relay Automatic level control sensor B11 B15 C1 d3 C1 f2 C10 C11 C2 a4 C2 a6 C2 c10 C2 e2 C2 f1 C3 a5 C3 d10 C3 d2 C3 e9 C4 d12 Cr cont fuse 10a Cruise control module D11 D13 Elc fuse 10a Elc relay Electronic brake control module F12 From ign fuse (diagram 1 of 4) From left underhood fuse block (diagram 1 of 4) From run fuse (diagram 3 of 4) From run/crk fuse (diagram 1 of 4) Front passenger heated seat module G105 (beneath battery tray) G203 (right kick panel) Garage door opener Heads-up display switch Htd bk lite relay Hud fuse 10a Hvac control module Hvac fuse 10a I/p fuse block Ign relay Ign sen fuse 10a Ign-3 relay Ignition switch Inside rearview mirror Instrument panel cluster Instrument panel integration module Left air temperature actuator Left heated seat module Left under- hood fuse block Lock Memory seat module Mode actuator Nca Nca nca Off Outside moisture sensor Pnk Pnk c3 Rear fuse block Recirculation actuator Red Remote control door lock module Right air temperature actuator Run Run fuse 10a S101 S274 (hvac harn, 35.5 cm from mode actuator) S305 (headliner harness) S339 (left front seat harn, below left front seat) Start To accy & ign-3 relays (diagram 3 of 4) To air sol fuse (diagram 4 of 4) To rear fuse block pins c2 & a5 (diagram 4 of 4) Turn signal multi- functioni switch Turn signal/ multifunction switch Under- hood fuse block W/ heated seats W/o heated seats Windshield wiper motor Wsw fuse 30a Wsw/rfa fuse 10a Power Distribution Wiring Diagram (4 of 4) for Buick Park Avenue Ultra 2002 List of elements for Power Distribution Wiring Diagram (4 of 4) for Buick Park Avenue Ultra 2002: 88 (in transaxle) s113 1-2 shift solenoid valve 2-3 shift solenoid valve A/c clu fuse 10a A/c clutch relay A11 A12 A15 Air pump relay Air sol fuse 10a B/u lp fuse 10a B10 B11 B12 Body control module C1 c7 C1 d14 C1 e12 C1 e4 C2 a7 C2 a9 C2 b4 C2 d9 C2 e4 C2 f5 C3 a4 C3 c2 C3 e3 C3 e5 C3 e6 C3 e7 C3 f5 C3i fuse 10a C4 a5 C4 a9 Crk fuse 5a E11 E12 Evaporative emissions canister vent valve Evaporative emissions purge valve F12 From ign relay (diagram 3 of 4) From ignfd fuse (diagram 4 of 4) From ignition switch pin a7 & a8 (diagram 3 of 4) From l left underhood fuse block (diagram 1 of 4) Fuel injector Heated oxygen sensor 1 Horn fuse 30a Horn relay Hzdt/sg fuse 15a I/p fuse block Ignfd fuse 10a Ignition control module Inflatible restraint sensing & diagnostic module Injr fuse 10a Instrument panel cluster Lamp control module Left under- hood fuse block Mass airflow sensor Nca Oxy sen fuse 10a Oxygen sensor 2 Pcm fuse 10a Pcm/cru fuse 10a Perim lp relay Pk lp fuse 25a Pnk Pnk f6 Pnk pnk Powertrain control module Rear fuse block Rear object sensor control module Red Remote control door lock receiver Sbm fuse 10a Sbm lcm fuse 10a Secondary air injection solenoid Sir fuse 10a Starter relay Stop fuse 20a Stop lamp switch Supercharger boost control solenoid T/sig fuse 10a Theft deterrent control module To t/s & sbm/lcm fuse (diagram 4 of 4) Torque converter clutch solenoid valve Turn signal/ hazard flasher module Turn signal/ multifunction switch
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Power Door Lock Wiring Diagram for Buick Park Avenue Ultra 2002: 59 (right kick panel) A10 A11 A12 B10 B11 Batt out (b+) Battery (b+) Buss interface C10 Computer data lines system D11 Driver door lock actuator Driver door lock switch Driver door module (ddm) (inside left front door) Driver window switch Drv mdl fuse 10a Front passenger door lock actuator Front passenger door lock switch G201 G202 (left kick panel) Ground Hot at all times I/p fuse block (behind glove box) Interior lights system Left rear door lock actuator Lft lock out Lft unlock out Lock Lock in Lock out Logic ground Passenger door module (pdm) (inside right front door) Pdm fuse 10a Pnk Pwr wdo circuit breaker 30a Rear door module (rdm) (under right rear seat) Rear fuse block (under right rear seat) Red Remote control door lock receiver (rcdlr) (under center of rear package shelf) Right rear door lock actuator Right underhood fuse block (right front of engine compartment) Rrin mdl fuse 10a Rt lock out Rt unlock out S202 S203 S205 S207 S208 S300 red S401 S503 Serial data Tan Unlock Unlock in Unlock out Vehicle interface unit (on right front of trunk. attached to seat back brace)
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Electrochromic Mirror Wiring Diagram for Buick Park Avenue Ultra 2002: 33 B/u lp fuse 10a C11 C11 c3 Driver outside rearview mirror Driver's door module (ddm) (inside driver's door, above radio speaker) E11 Exterior lights system G400 (right side of luggage compt, behind wheelhouse) Ground Hot at all times Hot in run Htd bk lite relay I/p fuse block (behind glove box) Ign sen fuse 10a Ignition positive voltage Inside rearview mirror Outside ec mirror reflectivity control input low ref return Outside ec mirror reflectivity control input signal Outside ec mirror reflectivity control output low ref return Outside ec mirror reflectivity control output signal Perim lp relay Pnk Rear fuse block (below right of rear seat) Rear fuse block (below right side of rear seat) Remote control door lock receiver (rcdlr) (under center of rear package shelf) Return input Return output Reverse relay input Rly ctrl S305 S306 Signal input Signal output Power Mirrors Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Power Mirrors Wiring Diagram for Buick Park Avenue Ultra 2002: 38 Battery C1 a12 C1 c3 C2 c10 Ddm fuse 10a Driver's door module (inside driver's door, above radio speaker) G201 (right kick panel) G202 (left kick panel) Gnd Heating element feed Heating element return Hot at all times I/p fuse block Left outside mirror Left/ right motor Left/ right motor position sensor Left/right motor control Left/right motor position input Logic gnd Mirror heating element Motor control c5 Passenger's door module (inside passenger's door, above radio speaker) Pdm fuse 10a Postion sensors feed Postion sensors return Rear door module Rear fuse block Right outside mirror S203 S205 S207 S208 Simple bus interface Up/ down motor Up/ down motor position sensor Up/down Up/down motor control Up/down motor position input
POWER SEATS 10-Way Power Seat Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for 10-Way Power Seat Wiring Diagram for Buick Park Avenue Ultra 2002: 25 (uplevel) Driver seat adjuster switch Driver seat belt tower motor Driver seat front vertical motor Driver seat horizontal motor Driver seat rear vertical motor Driver seat recline motor F10 Front passenger seat adjuster switch Front passenger seat belt tower motor Front passenger seat front vertical motor Front passenger seat horizontal motor Front passenger seat rear vertical motor Front passenger seat recline motor Fwd G201 (right kick panel) Hot at all times Nca Pwr seat circuit breaker 25a Rear fuse block S331 (w/ memory) S332 S333 Solid state Tan Driver's Heated Seat Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Driver's Heated Seat Wiring Diagram for Buick Park Avenue Ultra 2002: 42 (right kick Body control module (behind glove box) C3 a11 C3 e8 Driver heated seat module (under left front seat) Driver heated seat switch Driver seat E11 F11 Front passenger heated seat module G201 Hot at all times Hot in run Htdst l fuse 10a I/p fuse block Ign sen fuse 10a Inhibit output Interior lights system Left seat back heater Left seat cushion heater Nca Nca bat Nca batt + Nca controlled gnd Nca ground Nca heat sw input Nca hi led control Nca ign Nca inhibit input Nca lo led control Nca lo ref Nca status output Nca temp signal Panel) Pnk Rear fuse block S208 S217 S332 S339 Status input Thermistor Lumbar Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Lumbar Wiring Diagram for Buick Park Avenue Ultra 2002: 24 A10 Driver seat lumbar horizontal motor Driver seat lumbar switch Driver seat lumbar vertical motor F10 Front passenger seat lumbar horizontal motor Front passenger seat lumbar switch Front passenger seat lumbar vertical motor Fwd G201 (right kick panel) Hot at all times Mem/rfa fuse 10a Nca Pnk Pwr seat circuit breaker 25a Rear fuse block Rwd S208 S331 S332 S333 S338 Solid state Tan Passenger's Heated Seat Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Passenger's Heated Seat Wiring Diagram for Buick Park Avenue Ultra 2002: 42 (right kick B12 Body control module (behind glove box) C3 a11 C3 b11 Driver heated seat module E12 F11 F12 Front passenger heated seat module (under right front seat) Front passenger heated seat switch Front passenger seat G201 Hot at all times Hot in run Htdst r fuse 10a I/p fuse block Ign sen fuse 10a Inhibit output Interior lights system Left seat back heater Left seat cushion heater Nca Nca bat Nca batt + Nca controlled gnd Nca ground Nca hi led control Nca hi/lo signal Nca ign 3 Nca inhibit input Nca lo led control Nca lo ref Nca status output Nca temp signal Panel) Rear fuse block S208 S217 S333 Status input Thermistor
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Buick Park Avenue Ultra 2002 List of elements for Power Top/Sunroof Wiring Diagrams for Buick Park Avenue Ultra 2002: 19 (right side of luggage compartment, behind wheel- house) g400 Close Closed Ground Hot in run, accessory & retained accessory power Ignition Limit sw Motor Motor ctrl Open Rear fuse block (below right side of rear seat) Red S401 Slide input Sun roof module (on rear underside of roof) Sun roof motor (on rear underside of roof) Sun roof switch Sunrf fuse 20a Vent input
POWER WINDOWS Power Window Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Power Window Wiring Diagram for Buick Park Avenue Ultra 2002: 56 (left kick panel) g202 (right side of luggage compartment behind wheelhouse) g400 A10 A11 A12 A8 c1 B10 B11 B12 Battery C10 C8 c4 Computer data lines system D10 Ddm fuse 10a Down Down signal Driver door module (ddm) (inside driver's door, above radio speaker) Driver window motor Driver window switch Front passenger window motor Front passenger window switch G201 (right kick panel) Ground Hot at all times I/p fuse block (behind glove box) Illum Illumination Interior lights system Left rear window motor Left rear window switch Low reference Motor down Motor up Passenger door module (pdm) (inside front passenger's door, above radio speaker) Pdm fuse 10a Pnk Pwr wdo circuit breaker 30a Rdm fuse 10a Rear door module (rdm) (under right side of rear seat) Rear fuse block (below right side of rear seat) Red Return Right rear window motor Right rear window switch Right underhood fuse block (on right front of engine compartment, forward of strut tower) S202 S203 S205 S207 S208 S300 S401 Serial data Solid state Up signal
RADIO Base Radio Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Base Radio Wiring Diagram for Buick Park Avenue Ultra 2002: 70 (body harn, 24 cm from left dash-to- eng compt grommet) s219 Antenna enable B11 B12 Battery voltage C11 C2 f10 Computer data lines system Diplay dim sig out Display dim sig in E10 E11 E12 E13 E14 E15 E16 E3 c3 F10 F11 F12 F13 F14 F15 F16 G202 (left kick panel) Ground Hot at all times Hot in run, acc or retained accessory power I/p fuse block (behind glove box) Ign voltage Inflatable restraint steering wheel module coil Interior lights system Left front speaker (midrange) Left front speaker (tweeter) Left rear speaker Lf chnl out (+) Lf chnl out (-) Lr chnl out (+) Lr chnl out (-) Nca Panel lamp in Power antenna system Radio Rdo fuse 10a Rdo/ph fuse 5a Rear fuse block (below right side of rear seat) Rf chnl out (+) Rf chnl out (-) Right front speaker (midrange) Right front speaker (tweeter) Right rear speaker Rr chnl out (+) Rr chnl out (-) S206 S218 (body harn, 27 cm from park brake switch) Serial data uart Steering column fuse holder Steering wheel control switch Strg whl ctlr Sw1 Sw2 Sw3 Sw4 Sw5 Sw6 Sw7 Sw8 Switch fuse 2a Tan
SHIFT INTERLOCKS Shift Interlock Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Shift Interlock Wiring Diagram for Buick Park Avenue Ultra 2002: 22 A/t shift lock control switch (behind dash, on brake pedal support) Auto trans shift lock control Auto trans shift lock control solenoid (base of steering column) Automatic transaxle Automatic transaxle internal mode switch Body control module (behind glove box) C200 Class 2 serial data Computer data lines system Data line G101 (front of engine) G202 (left kick panel) Lamp control module (behind left side of dash, right of steering column) Opens when brake pedal is depressed Park gear input Powertrain control module (left side of engine compt, inside air cleaner) Range sw a signal Range sw b signal Range sw c signal Range sw p signal S108 S205
STARTING/CHARGING Charging Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Charging Wiring Diagram for Buick Park Avenue Ultra 2002: 19 (not used) B11 B12 Battery Body control module (sdm) (behind glove box) D12 G102 (lower left side of engine) G103 (near underhood fuse block) Gen. terminal f monitor Gen. terminal l control Generator I/p fuse block (behind glove box) Instrument cluster Left underhood fuse block (on right front of engine compartment, near battery) Powertrain control module (pcm) (on left front of engine compartment, in air cleaner housing) Red Serial data class 2 Starter motor Volt indicator Starting Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Starting Wiring Diagram for Buick Park Avenue Ultra 2002: 38 Accy Battery Body control module (sdm) (behind glove box) Computer data lines system Crank positive voltage Crk fuse 5a D10 D12 D14 F10 F11 G102 (lower left side of engine) G103 (near underhood fuse block) Hold in coil Hot in run & start I/p fuse block (behind glove box) I/p fuse block (below right side of rear seat) Ign crank sense Ignition switch Left underhood fuse block (on right front of engine compartment, near battery) Lock Nca Note: refer to power distribution system: ign relay Off Pcm fuse 10a Powertrain control module (pcm) (on left front of engine compartment, in air cleaner housing) Pull in coil Red Run Run/crk fuse 15a Serial data class 2 Start Starter ctrl Starter fuse 30a Starter motor Starter relay Starter solenoid Starting/charging system (charging circuit)
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Supplemental Restraint Wiring Diagram for Buick Park Avenue Ultra 2002: 45 A10 A11 A12 A13 A14 A15 A16 A17 A18 Air bag indicator B11 B12 Case ground Class 2 serial data Computer data lines system Control D11 Data link connector (dlc) (partial) (under left side of dash) Driver inflatable restraint side impact sensor (sis) (on base of left "b" pillar) Driver's door module (ddm) (inside driver's door, above radio speaker) F11 F12 G306 (in right front of passenger compartment, under right front seat) Ground Hot in run & start Ignition Inflatable restraint i/p module Inflatable restraint sensing & diagnostic module (sdm) (below right front seat, under carpet) Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Left front inflatable restraint side impact module Left underhood fuse block (on right front of engine compartment, near battery) Nca Passenger inflatable restraint side impact sensor (sis) (on base of right "b" pillar) Rear fuse block (below right side of rear seat) Remote control door lock receiver (rcdlr) (under center of rear package shelf) Right front inflatable restraint side impact module Shorting bar Signal Sir fuse 10a Solid state Tan Theft deterrent module (in steering column) Voltage
TRANSMISSION
3.8L 3.8L VIN 1, A/T Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for 3.8L VIN 1, A/T Wiring Diagram for Buick Park Avenue Ultra 2002: 85 (engine harn, near breakout to pcm) 1-2 shift sol 2-3 shift sol 5v ref a A/t sensor hi A/t sensor lo Abs switch in Automatic transaxle (4t65-e) Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor Automatic transaxle internal mode switch Automatic transaxle range switch (top left side of transaxle) Battery in Body control module C1 e4 C2 e12 C2 e4 C2 e8 C2 f6 C2 f7 C3 a12 C3 c2 C3 e6 Computer data lines system Data class ii Ect in Ect return Engine controls system Engine coolant temperature sensor (left rear of engine, under thermostat housing) Extended travel brake switch F12 G101 (right front of engine) G202 (left kick panel) Hot at all times Hot in run or start Hot in run, start or unlock Housing) I/p fuse block (behind glove box) I/p fuse block (behind glove box) c2 Ignfd fuse 10a Ignition in Instrument cluster Instrument cluster, theft deterrent module Left underhood fuse block (near battery) Malfunction indicator lamp Mil ctrl Pc sol hi Pc sol lo Pcm fuse 10a Pcm ground Pcm/cru fuse 10a Pnk Powertrain control module (in air cleaner Pressure control sol Rear fuse block (below right side of rear seat) Red Rev S105 S108 S115 S203 Sbm lcm fuse 10a Sensor return Stop lamp switch (brake pedal support) Tan Tcc pwm sol Tcc rel Tcc release in Tcc switch in Tcc/ cruise switch Tft sensor in Throttle position sensor (on throttle body) Tp ground Tps in Tr sw in-a Tr sw in-b Tr sw in-c Tr sw in-p Trans range a Trans range b Trans range c Vehicle speed sensor (lower right rear of engine compt) Vss hi (signal) Vss lo (ground) 3.8L VIN K, A/T Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for 3.8L VIN K, A/T Wiring Diagram for Buick Park Avenue Ultra 2002: 85 (engine harn, near breakout to pcm) 1-2 shift sol 2-3 shift sol 5v ref a A/t sensor hi A/t sensor lo Abs switch in Automatic transaxle (4t65-e) Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor Automatic transaxle internal mode switch Automatic transaxle range switch (top left side of transaxle) Battery in Body control module C1 e4 C2 e12 C2 e4 C2 e8 C2 f6 C2 f7 C3 a12 C3 c2 C3 e6 Computer data lines system Data class ii Ect in Ect return Engine controls system Engine coolant temperature sensor (left rear of engine, under thermostat housing) Extended travel brake switch F12 G101 (right front of engine) G202 (left kick panel) Hot at all times Hot in run or start Hot in run, start or unlock Housing) I/p fuse block (behind glove box) I/p fuse block (behind glove box) c2 Ignfd fuse 10a Ignition in Instrument cluster Instrument cluster, theft deterrent module Left underhood fuse block (near battery) Malfunction indicator lamp Mil ctrl Pc sol hi Pc sol lo Pcm fuse 10a Pcm ground Pcm/cru fuse 10a Pnk Powertrain control module (in air cleaner Pressure control sol Rear fuse block (below right side of rear seat) Red Rev S105 S108 S115 S203 Sbm lcm fuse 10a Sensor return Stop lamp switch (brake pedal support) Tan Tcc pwm sol Tcc rel Tcc release in Tcc switch in Tcc/ cruise switch Tft sensor in Throttle position sensor (on throttle body) Tp ground Tps in Tr sw in-a Tr sw in-b Tr sw in-c Tr sw in-p Trans range a Trans range b Trans range c Vehicle speed sensor (lower right rear of engine compt) Vss hi (signal) Vss lo (ground)
TRUNK, TAILGATE, FUEL DOOR Trunk & Fuel Door Release Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Trunk & Fuel Door Release Wiring Diagram for Buick Park Avenue Ultra 2002: 27 Body control module (sbm) (behind glove box) C2 f9 C4 a6 Class 2 serial data Computer data lines system D11 E7 c3 F4 c3 F7 c3 Fuel door release actuator (in left quarter panel, at fuel filler door pocket) Fuel door release switch G201 (right kick panel) G400 (right side of luggage compt, behind wheelhouse) Hot at all times I/p fuse block (behind glove box) Pnk Rear compt lid release actuator (on rear compt lid latch) Rear compt lid release switch (w/ mechanical valet lockout) (on center of rear compt, on latch) Rear fuse block (below right side of rear seat) Remote control door lock receiver (under center of rear package shelf) S208 S217 S401 Trk rel fuse 15a Trk rel relay Trunk release rly ctrl Trunk release sw sig
WARNING SYSTEMS Warning System Wiring Diagrams for Buick Park Avenue Ultra 2002 List of elements for Warning System Wiring Diagrams for Buick Park Avenue Ultra 2002: 59 A12 A7 c3 Actuator (on door latch assy) Ajar input B11 B12 Battery positive voltage Body control module (sbm) (behind glove box) C10 C12 C2 c3 C3 c4 Class 2 serial data Class 2 serial data line Computer data lines system Crank positive voltage Crk fuse 5a Cstr/sbm fuse 10a D14 Driver door lock Driver's door module (ddm) (inside driver's door, above radio speaker) E5 c3 F11 F5 c3 G201 (right kick panel) G202 (left kick panel) Gnd Ground Hot at all times Hot in run or start Hot in start Hot in start, run, & unlock I/p fuse block (behind glove box) Ignition key alarm switch Ignition positive voltage Input Instrument panel cluster Key in ignition input Lamp control module (lcm) (behind left of dash, right of steering column) Left front seat belt switch Lights on chime input Lights on input Nca Output Pnk Power distri- bution system Power distribution system Rear fuse block (right rear of passenger compt, under rear seat) Remote function actuator (rfa) module (under center of rear package shelf) S213 S298 S332 Sbm fuse 10a Sbm fuse 15a Sbm lcm fuse 10a Seat belt switch Seat belt telltale output Seat belt warn ind Underhood fuse block (right front of engine compt, near battery)
WIPER/WASHER Wiper/Washer Wiring Diagram for Buick Park Avenue Ultra 2002 List of elements for Wiper/Washer Wiring Diagram for Buick Park Avenue Ultra 2002: 39 (not used) Body control module (behind glove box) Ctrl G106 (left rear engine compt, near windshield washer bottle) G202 (left kick panel) G400 (right side of rear compt, rear of wheelhouse) Ground Hi speed input High Hot in accy & run I/p fuse block (behind glove box) If equipped Ign Ignition Low Max Min Mist Nca Off Outside moisture sensor (above rearview mirror) Power distribution system Rainsense inputs Red S100 S203 S306 Turn signal/multifunction switch Washer fluid level switch input Washer input Washer pump motor ctrl Washer switch Windshield washer fluid level switch (on washer fluid reservoir) Windshield washer pump motor (on washer fluid reservoir, left rear of engine compartment) Windshield wiper motor (on right side of firewall) Wiper speed input Wiper switch Wsw fuse 30a Wsw/rfa fuse 10a
