Разделы схем — 31 (всего 61)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 2) for Buick LeSabre Limited 2003 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Buick LeSabre Limited 2003: 81 (hvac harn, 23.5 cm from c204 breakout) (hvac harn, 30 cm from c204 breakout) s221 (hvac harn, 36.5 cm from c204 break- out) (i/p harn, 13 cm from sunload sensor assembly breakout) (i/p harn, 13.5 cm from hvac breakout) (i/p harn, 6.5 cm from sunload sensor assembly breakout) (i/p harn, 6.5 cm outside from radio breakout) (on right front door pillar) 5v ref A10 A11 A12 Air temperature actuator (left) (on left side of hvac module) Air temperature actuator (right) (on right side of hvac module) Air temperature sensor (inside) (on dash, right of steering column) Air temperature sensor (lower left) (behind left dash air discharge vent) Air temperature sensor (lower right) (behind right dash air discharge vent) Air temperature sensor (outside) (on hood latch support) Air temperature sensor (upper left) (behind left dash air discharge vent) Air temperature sensor (upper right) (behind right dash air discharge vent) Amb air temp sig Amb light sens Backlight lamps ctrl Battery Blwr sp ctrl C1 a1 C11 C12 C13 C3 a7 C3 d12 Class 2 serial Clock sig Computer data lines system D11 D16 Driver solar sig G100 (left side of engine) G201 Grd Ground Hot at all times Hot in on Hvac (batt) fuse 37 10a Hvac blo fuse 2 30a Hvac control module Hvac fuse 33 10a Ign 3 fuse 34 10a Ign 3 volt In air temp sig Instrument panel integration module (ipm) (behind left side of dash) Interior lights system Lft air door sig Lft temp dr ctrl Low ref Lower lft temp sig Lower rt temp sig Mod sig Mode actuator (on left side of hvac module) Mode door ctrl Mode dr pos sens Pass mdl fuse 25 10a Pass solar sig Rear fuse block (under left rear seat) Recirc door ctrl Recirc door sig Recirculation actuator (under right side of dash, right of blower motor) Rt air door sig Rt temp dr ctrl S204 S205 S208 S222 S253 Solid state Splice pack sp100 Splice pack sp201 Sunload sensor assembly (on top center of dash) Tan Upper lh temp sig Upper rt temp sig Automatic A/C Wiring Diagram (2 of 2) for Buick LeSabre Limited 2003 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Buick LeSabre Limited 2003: 83 (engine harn, 6.5 cm from iac valve breakout) 5v ref A/c clu fuse 26 15a A/c clu relay 32 A/c compressor clutch A/c compressor clutch diode A/c refrigerant pressure sensor (behind a/c compressor, on a/c line) A10 A11 A12 B10 B11 Bat Battery Blower control processor (at right front side of blower motor) Blower motor (under right side of dash, above sound insulator) Blwr mtr grd Blwr sp input Blwr volt C10 C11 Class 2 serial Clutch rly ctrl Cntl sig Computer data lines system Cool fan 1 fuse 30a Cool fan 2 fuse 46 30a Coolfan 1 (low speed) relay 40 Coolfan 2 (high speed) relay 37 Coolfan s/p relay 39 D10 Dash integration module (dim) (behind right side of dash, under sound insulator) E10 E11 Ect sens grd Ect sens sig Engine controls system Engine coolant temperature sensor (on rear of Engine, near thermostat housing) F11 Front passenger door module (fpdm) G10 G100 (left side of engine) G103 (on inner body panel) G11 G201 (on right front door pillar) Grd Ground High spd fan ctrl Hot at all times Hot in on Inflatable restraint steering wheel module coil Interior lights system Left cooling fan Low spd fan ctrl Passenger temperature control assembly Pdm low side input Pnk Powertrain control module (pcm) (in air cleaner housing) Right cooling fan Right side steering wheel controls S106 S602 (right front door harn, 10 cm from door module connector breakout) Sensor grd Sensor signal Sound systems Speed cntl Splice pack sp100 Splice pack sp103 Splice pack sp201 Steering column fuse holder Sw grd Sw1 Sw2 Sw3 Sw4 Switch fuse 2a T10 T11 Tan Underhood fuse block (right front side of engine compt) V10 V11 Compressor Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Compressor Wiring Diagram for Buick LeSabre Limited 2003: 25 (engine harn, 6.5 cm from iac valve breakout) (in engine harn, 18 cm from a/c compressor clutch connector breakout) s108 5v ref A/c clu fuse 26 15a A/c clu relay A/c compressor clutch A/c compressor clutch diode (near a/c compressor) A/c refrigerant pressure sensor (behind a/c compressor, on a/c line) Class 2 serial Clutch rly ctrl Computer data lines system Engine controls system G100 (left side of engine) Hot at all times Hot in on Low ref Powertrain control module (pcm) (in air cleaner housing) S106 Sensor signal Splice pack sp100 T10 T11 Underhood fuse block (right front side of engine compartment) V10 V11 Manual A/C Wiring Diagram (1 of 2) for Buick LeSabre Limited 2003 List of elements for Manual A/C Wiring Diagram (1 of 2) for Buick LeSabre Limited 2003: 65 (hvac harn, 30 cm from c204 breakout) s221 (i/p harn, 6.5 cm outside from radio breakout) 5v ref A10 A11 A12 A13 A14 A15 A16 Air temp dr ctrl Air temperature actuator (left front side of blower motor) Ambient light Anti-lock brakes system B10 B11 B12 B13 B14 B15 B16 Backlight ctrl Batt Battery Blower control module (under right side of dash, above blower motor) Blower motor (under right side of dash, above sound insulator) Blwr mtr grd Blwr sp input Blwr speed cntrl Blwr volt C1 a10 Class 2 serial Computer data lines system D12 Dimmer sw sig G200 (on left front door pillar) G201 (on right front door pillar) Grd Headlights system Hot at all times Hot in on Hvac batt fuse 37 10a Hvac blo fuse 2 30a Hvac control module Hvac fuse 33 10a Ign 3 voltage Int lamp sw sig Interior lights system Key reminder sw Low ref Mode actuator (left side of hvac assembly) Motor low ref Rear fuse block (under left rear seat) Recirc dr mtr Recirculation actuator (under right side of dash, to right of blower motor) S208 (i/p harn, 13 cm from sunload sensor assembly breakout) S222 (hvac harn, 23.5 cm from c204 breakout) S253 Solid state Speed cntl Splice pack sp200 Splice pack sp201 Trac cntrl sw Twilight sentinel Warnings system Manual A/C Wiring Diagram (2 of 2) for Buick LeSabre Limited 2003 List of elements for Manual A/C Wiring Diagram (2 of 2) for Buick LeSabre Limited 2003: 52 (engine harn, 6.5 cm from iac valve breakout) (in engine harn, 18 cm from a/c clutch connector breakout) s108 5v ref A/c clu fuse 26 15a A/c clu relay 32 A/c compressor clutch A/c compressor clutch diode (near a/c compressor) A/c refrigerant pressure sensor (behind a/c compressor, on a/c line) A10 A11 B10 B11 C10 C11 Class 2 serial Clutch rly ctrl Computer data lines system Cool fan 1 fuse 47 30a Cool fan 2 fuse 46 30a Coolfan 1 (low speed) relay 40 Coolfan 2 (high speed) relay 37 Coolfan s/p relay 39 D10 E10 E11 Ect sens grd Ect sens sig Engine controls system Engine coolant temperature (ect) sensor (on rear of Engine, near thermostat housing) F11 G10 G100 (left side of engine) G103 (on inner body panel) G11 High spd fan ctrl Hot at all times Hot in on Left cooling fan motor Low ref Low spd fan ctrl Powertrain control module (pcm) (in air cleaner housing) Right cooling fan motor S106 Sensor signal Splice pack sp100 Splice pack sp103 T10 T11 Underhood fuse block (right front side of engine compartment) V10 V11
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Anti-lock Brakes Wiring Diagram for Buick LeSabre Limited 2003: 87 (body harn, 18 cm from g300 breakout) (body harn, 31.5 cm from g300 breakout) (in eng harn, 12.5 cm from right front wheel speed sensor breakout) s101 (in eng harn, 19 cm from right front wheel speed sensor breakout) (in eng harn, 49 cm from left front wheel speed sensor breakout) (on left front door pillar) (on top of transmission) A1 c2 A14 A15 Abs fuse 10a Abs fuse 50a Abs ind lamp Abs ind sig Abs indicator B c4 Base model Battery Brake pressure modulator valve C1 c8 C11 C12 c1 C3 f1 Computer data lines system Delivered torque output Driver information center (dic) Electronic brake control module (ebcm) (on left front of engine compartment) G104 G200 Ground-module Ground-pump motor Heater & a/c control Hot at all times Hot in run Ignition Instrument panel cluster Instrument panel module (ipm) 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 (under left 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 S102 S103 S104 (in eng harn, 42.5 cm from left front wheel speed sensor breakout) S226 S303 S305 Sens feed-5v Sensor ret Serial data class 2 Sp304 Splice pack sp200 Steering wheel pos Steering wheel position sensor (swps) (on base of steering column) Stop lamp switch (on brake pedal bracket) Stop lp fuse 15a Stoplight sw Tan Torque delivered Torque desired Trac ctrl sw Traction control switch Traction control system active Traction off indicator Underhood fuse block (right front side of engine compt) Uplevel model Var effort steering Variable effort steering actuator (on left side of power steering gear) Vent tube Yaw rate sens Yaw rate sensor (under rear shelf, behind lid hinge)
ANTI-THEFT Forced Entry Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Forced Entry Wiring Diagram for Buick LeSabre Limited 2003: 33 A11 A12 Class 2 serial data Computer data lines system Dash integration module (behind right side of dash, under sound insulator) Door open Door open input Driver door lock actuator Driver door module Drv mdl fuse 7 10a Exterior lights system Front passenger door lock actuator Front passenger door module Ground Horn ctrl Horns system Hot at all times Key cylinder disarm/ unlock Left rear door lock actuator Left rear door module Lf door key sw sig Lf door open in Lights ctrl Pass mdl fuse 25 10a Pwr door serial data Rear fuse block Right rear door lock actuator Right rear door module Rrdr mdl fuse 18 10a S302 (body harn, near left power seat breakout) S602 Serial data class 2 Tan Pass-Key Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Pass-Key Wiring Diagram for Buick LeSabre Limited 2003: 31 A11 A12 B (+) Computer data lines system Dash integration module (behind right side of dash, under sound insulator) Drivers door module (inside drivers door) E9 c1 Exterior lights system G200 (on left front door pillar) Gnd Horn ctrl Horns system Hot at all times Ign sw fuse 29 15a Ignition key Ignition switch Instrument panel cluster Lights ctrl Pcm batt fuse 8 10a Powertrain control module (in air cleaner housing) Reader/ exciter Rear fuse block S212 S217 S226 Serial data class 2 Serial data class 2 ign Splice pack sp200 Theft deterrent control module (right side of steering column) Transponder Underhood fuse block
BODY CONTROL MODULES Dash Integration Module Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Dash Integration Module Wiring Diagram for Buick LeSabre Limited 2003: 54 (under right side of rear seat) g305 A10 A11 A12 Acc Accessory voltage B10 B11 B12 Backlight lamps control Battery Battery positive voltage Class 2 serial data Computer data lines system Control power Dash integration module (dim) (behind right side of dash, under sound insulator) Dim fuse 10a Drl rly ctrl E11 Exterior lights system Flash to pass in Flash to pass sw sup volt G200 (on left front door pillar) Ground Headlamp hi beam rly ctrl Headlamp on sig Headlamps/wipers sig Headlights system Horn rly ctrl Horns system Hot at all times Ign sw fuse 15a Ignition 3 voltage Ignition positive voltage Ignition switch Interior lights system Ip lamp fuse sup voltage Lock Off/run/crank voltage Park lamp rly ctrl Parklamp sw on sig Pnk Power distribution system Rear fuse block (under left rear seat) Remote radio ctrl head Run S212 Sound systems Splice pack sp200 Start Steering wheel ctrl sig Underhood fuse block (right front side of eng compt) Unlock Wiper/washer system Instrument Panel Integration Module Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Instrument Panel Integration Module Wiring Diagram for Buick LeSabre Limited 2003: 70 5 volt ref A/c upr lt air temp sen sig A/c upr rt air temp sen sig A10 A11 A12 Air conditioning system Air temp door ctrl Air temp door pos sen sig Ambient light sensor sig Anti-lock brakes system B10 B11 B12 Battery positive voltage Blower speed ctrl sig C10 C11 C12 C13 C14 C15 C16 Class 2 serial data signal Computer data lines system D10 D11 D12 D13 D14 D15 D16 Dr hvac control assbly sig Dr hvac ctrl assbly clk sig Driver solar sen sig G201 (on right front door pillar) G302 (under left side of rear seat) Ground Headlights system Hot at all times Hot in on Hvac batt fuse 10a Hvac fuse 10a I/p lamps dimmer sw sig Ign-3 relay Ignition 3 voltage Inside air temp sens sig Instrument panel integration module (ipm) (behind left side of dash) Interior lamps sw on sig Interior lights system Key in ignition sig Low lt air temp sen sig Low mode door pos sen sig Low ref Lower rt air temp sen sig Mode door ctrl Outside air temp sen sig Passenger solar sen sig Passr air temp door pos sig Power distribution system Rear fuse block (under left rear seat) Recirculation door ctrl Recirculation position sig Right air temp door ctrl S205 Splice pack sp302 Tan Traction ctrl sw sig Twilight sentinel delay sig Warnings system Rear Integration Module Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Rear Integration Module Wiring Diagram for Buick LeSabre Limited 2003: 54 A10 A11 A12 Alc exhaust sol ctrl Alc position sensor 5v ref Alc position sensor low ref Alc position sensor sig Alc rly coil suply voltage B10 B11 B12 B4 rear compt release rly ctrl Battery positive voltage Cigar lighter rly ctrl Class 2 serial data Computer data lines system Defogger system Driver heated seat hi/lo sig Electronic suspension system Exterior lights system G302 (under left side of rear seat) G402 (on lower left corner of trunk) Grd Heated seat status sig Hot at all times Hot in run or start Ign sw fuse 15a Ign-1 fuse 10a Ign-1 relay Ignition 1 voltage Inadvertant power input Inadvertent power rly ctrl Interior lamp ctrl Interior lights system Overhead courtesy lamp Park brake rly ctrl Passr heated seat hi/lo sig Passr htd seat ctrl status Pnk Power distribution system Power distribution system (cigar lighter) Power distribution system (rap) Rap rly ctrl Rear compt ajar sw sig Rear defogger rly ctrl Rear fuse block (under left rear seat) Rear integration module (rim) (behind upper left rear seat cushion) Reverse lamp rly ctrl Seats system Shift interlock system Splice pack sp302 Splice pack sp402 Tan Trunk, tailgate, fuel doors system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Computer Data Lines Wiring Diagram for Buick LeSabre Limited 2003: 50 A11 A12 A14 A15 Aldl fuse 10a B12 D14 D15 Dash integration module (dim) (behind rightside of dash, under sound insulator) Data class 2 Data link connector (under lower left side of dash) Digital radio receiver Driver door module Electronic brake control module (on left front of engine compt) G201 (on right front door pillar) Head up display Hot at all times Hvac control module Inflatable restraint sensing & diagnostic module (under rear of center console, mounted to floor pan) Instrument panel cluster (ipc) Instrument panel integration module (behind left side of dash) Memory seat module (under driver's seat) Powertrain control module (in air cleaner housing) Radio Rear fuse block Rear integration module (rim) module (behind upper left rear seat cushion) Remote control door lock receiver (rcdlr) (under rear package shelf) S202 (ip harn, 24 cm from ipm breakout) S203 S205 S217 (body harn, 24 cm from p100) S308 S317 (left seat harn, under left front seat) S345 Temperature control Theft deterrent control module Vehicle interface unit (viu) (behind right rear seat back) W/ automatic temperature control W/ head up display W/ manual W/ manual temperature control W/ memory seats W/ theft deterrent system W/ theft deterrent systems, w/o memory seats W/ theft w/ theft deterrent system, deterrent system, w/ memory seats w/ memory seats W/ theft w/ theft deterrent system, deterrent system, w/o memory seats w/o memory seats W/ vehicle interface unit W/o head up display W/o theft deterrent system W/o vehicle interface unit
COOLING FAN Cooling Fan Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Cooling Fan Wiring Diagram for Buick LeSabre Limited 2003: 30 A10 A11 B10 B11 C10 C11 Cool fan 1 fuse 30a Cool fan 2 fuse 46 30a Coolfan 1 relay 40 Coolfan 2 relay 37 Coolfan s/p relay 39 D10 E10 E11 Ect sens sig Engine coolant temperature sensor (ect) (on rear of Engine, near thermostat housing) F11 G10 G103 (on inner body panel) G11 Hi fan ctrl Hot at all times Left cooling fan Low fan ctrl Low ref Powertrain control module (pcm) (in air cleaner housing) Right cooling fan Splice pack sp103 Underhood fuse block (right front side of engine compartment)
CRUISE CONTROL Cruise Control Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Cruise Control Wiring Diagram for Buick LeSabre Limited 2003: 45 Abs/tcc switch (near brake pedal) All times Cancel input Cr cont fuse 10a Cruise control module (on left side of engine compt, on strut tower) Cruise inhibit Cruise on/off Cruise set/coast Disable output Engage ouput Engaged input G106 (near left strut tower, on frame rail) Ground Hot at Hot in Ign 1 fuse 10a Ignition Inflatable restraint steering wheels module coil Left steering wheels controls Nca On & start On/off Pnk Powertrain control module (pcm) (in air cleaner housing) Rear fuse block (under left rear seat) Resume/ accel Resume/accel Right steering wheels controls S215 (body harness, left side of vehicle) S216 S228 Set/ coast Splice pack sp106 Splice pack sp301 (under right front seat) Steering column fuse holder Stop lp fuse 15a Stoplamp switch (on brake pedal bracket) Stp lp sig input Transmission system Underhood fuse block (right front side of engine) Vehicle speed input Vehicle speed out Vehicle speed sensor (vss) (on right front of transaxle, below power steering pump) Vss high Vss low
DEFOGGERS Defoggers Wiring Diagram, with Auto A/C for Buick LeSabre Limited 2003 List of elements for Defoggers Wiring Diagram, with Auto A/C for Buick LeSabre Limited 2003: 34 (left "c" pillar) g310 (right "c" pillar) g404 A12 C1 a4 C1 c8 C12 C13 C2 b12 C4 h Class 2 data Clock sig Computer data lines system Data sig Door locks system Driver door module (ddm) (in left front door) Feed Front passenger door module (fpdm) (in right front door) Hot at all times Hot in on & start Hvac control module Instrument panel integration module (ipm) (behind left side of dash) Kdd data Left outside rearview mirror Nca Rear defog control Rear fuse block (under left rear seat) Rear integration module (rim) (behind upper left rear seat cushion) Rear window defogger Return Right outside rearview mirror Rr defog fuse 40a Rr defog relay Serial data Tan/ Defoggers Wiring Diagram, with Manual A/C for Buick LeSabre Limited 2003 List of elements for Defoggers Wiring Diagram, with Manual A/C for Buick LeSabre Limited 2003: 21 (left "c" pillar) g310 (right "c" pillar) g404 A12 A14 A15 C2 b12 C3 c4 Class 2 data Computer data lines system Defogger switch Heater & a/c control Hot at all times Hot in on & start Nca Rear defog control Rear fuse block (under left rear seat) Rear integration module (rim) (behind upper left rear cushion) Rear window defogger Rr defog fuse 40a Rr defog relay Solid state
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Electronic Suspension Wiring Diagram for Buick LeSabre Limited 2003: 21 5 volt reference Alc relay control Automatic level control (alc) compressor (above left side of rear axle) Automatic level control (alc) sensor (above left side of rear axle) B10 C10 C11 Compressor motor Elc Elc fuse 30a Exhaust solenoid control G401 (on lower right corner of trunk) Hot at all times Hot in run Low reference Rear fuse block (under left rear seat) Rear integration module (rim) (behind upper left rear seat cushion) Red Relay Signal Solenoid valve
ENGINE PERFORMANCE
3.8L VIN K 3.8L VIN K, Engine Performance Wiring Diagram (1 of 4) for Buick LeSabre Limited 2003 List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (1 of 4) for Buick LeSabre Limited 2003: 92 (le sabre) (bonneville) (not used) (on lower front of eng block, near starter) knock sensor (ks) bank 1 18x ref 18x reference 3x ref 3x reference A/t iss low A/t speed sensor high Acc All times Anti-lock brake system B c Battery Bonneville le sabre Bypass Ckp 18x sig Ckp sync sig Cmp input Cmp output Cmp signal Computer data lines system Cooling fans system Cruise control system Cruise disable/inhibit Desired torque input Dis fuse 10a 20a E e Ect sensor ground Egr control ground Egr pos sens ground Evap purge valve Evaporative emissions canister purge solenoid (top of engine) Fuel inj 1 control Fuel inj 2 control Fuel inj 4 control Fuel inj 5 control Fuel inj 6 control G102 (below ignition control module) G105 (below ignition control module) Ground Hi speed cool fan Ho2s 1 low Ho2s 2 low Hot at Hot at all times Hot in run & start Iac coil b high Iat sensor ground Ign control Ign voltage Ignition Ignition control Ignition control module (icm) (on top left front of eng) Ignition switch (pigtailed for le sabre) Instrument cluster system (vehicle speed) Knock sensor (ks) bank 2 (on lower rear of eng block, near oil filter) Ks1 input Ks2 input Lo speed cool fan Lock Maf sensor input Map sensor +5 v Map sensor ground Mass airflow (maf) sensor (top of throttle body) Not used Off Pcm batt fuse 10a Pcm ground Pnk Pnk a Powertrain control module (pcm) (in air cleaner housing) Ref low Reference low Run S212 (or s208) Sensor return Sensor return (eop) Serial data (class 2) Shift sol a control Shift sol b control Start Tan Tcc switch input Tp sensor ground Trans fuse 10a Trans range sw b Under- hood fuse block Vehicle speed sensor (right front of transaxle) Vss high Vss low Vss output 3.8L VIN K, Engine Performance Wiring Diagram (2 of 4) for Buick LeSabre Limited 2003 List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (2 of 4) for Buick LeSabre Limited 2003: 33 (below ignition control module) g105 (ign module harn, near icm) (or 1-2 shift sol 2-3 shift sol A6 (or pnk) Automatic transaxle Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor Automatic transaxle internal mode switch B9 (or pnk) Camshaft position (cmp) sensor (front of eng, below water pump) Crankshaft position (ckp) sensor (front of eng, behind crank pulley) Cruise control system D4 (or pnk) Fuel injec- tors Hot in run & start Ign 1 fuse 10a Injr 1 fuse 10a Injr 2 fuse 10a Pnk Pressure control sol Rear fuse block Red S135 S136 S216 Tan Tcc pwm sol Tcc release switch Tcc/ cruise release switch (near brake pedal) Under- hood fuse block 3.8L VIN K, Engine Performance Wiring Diagram (3 of 4) for Buick LeSabre Limited 2003 List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (3 of 4) for Buick LeSabre Limited 2003: 39 (bonneville) (bonneville) (le sabre) (eng harn, 6.5 cm from iac) (le sabre) A/c refrigerant pressure sensor (behind a/c comp, on a/c line) Bonneville D a D3 pnk Engine oil level switch (in left side of eng oil pan) Engine oil pressure sensor (front of engine) Exhaust gas recirculation (egr) valve (top rear of engine) F/pmp fuse 20a Fuel pump Fuel pump relay Fuel tank pressure sensor (top of fuel tank) Fuel tank unit G105 (below ignition control module) G200 (left front door pillar) G302 (under rear seat) G401 (right rear of trunk) Hot at all times Hot in run & start Ign-1 fuse 10a Ign1 fuse 10a Instrument cluster Intake air temperature (iat) sensor (left side of engine compt, in the air intake duct) Le sabre Malfunction indicator lamp (led for bonneville) Manifold absolute pressure (map) sensor (top of engine) Pnk Rear fuse block S105 (engine harn, 9.5 cm from pcm connector) S106 S216 S401 Stoplight/ auto trans shift lock control switch Tach input Tan Throttle position (tp) sensor (on throttle body assembly) 3.8L VIN K, Engine Performance Wiring Diagram (4 of 4) for Buick LeSabre Limited 2003 List of elements for 3.8L VIN K, Engine Performance Wiring Diagram (4 of 4) for Buick LeSabre Limited 2003: 69 (le sabre b c (bonneville) 5 volt reference a 5 volt reference b A/c comp relay control A/c ref pressure A/c system A/t fluid temp input Anti-lock brake system Boost control solenoid (vin 1) Boost solenoid control Brake pedal sw out C b Cruise control system Cruise status Delivered torque control Ect sensor input Egr pintle position input Egr valve control Eng oil level sw input Engine coolant temperature (ect) sensor (on rear of eng, near thermostat housing) Evap solenoid control Evaporative emissions (evap) canister vent valve Fuel inj 3 control Fuel level input Fuel pump relay control Fuel tank press sensor Fuel tank sender G100 (top of transmission) Gen term f monitor Gen term l control Heated oxygen bank 1 sensor 1 (in right exhaust manifold) Heated oxygen bank 1 sensor 2 (rear of catalytic converter) Ho2s 1 input Ho2s 2 input Hot in run & start Hot in run and start Iac coil a high Iac coil a low Iac coil b low Iat sensor input Idle air control (iac) valve (on throttle body assembly) Ign 1 fuse 10a Ignition Ignition 1 Map sensor input Mil control Nca Oil pressure signal Oxy sen fuse 10a Pcm ign fuse 10a Pnk Powertrain control module (pcm) (in air cleaner housing) Press sol high control Press sol low control Rear fuse block Red Sensor ground Starter relay output Starting/charging system Tach signal Tan Tcc pwm sol control Tp sensor input Trans range p Trans range sw a input Trans range sw c input Trans tcc release sw in Under- hood fuse block Vent sol fuse 10a
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Back-up Lamps Wiring Diagram for Buick LeSabre Limited 2003: 23 (behind upper left rear cushion) rear integration module A12 Automatic transaxle internal mode switch (ims) Automatic transaxle B12 C100 Computer data lines system G105 (rear of engine, behind power steering pump) G401 (on lower right corner of trunk, forward of tail lamp) Hot at all times Left back- up lamp Powertrain control module (in air cleaner housing) Prk/rev fuse 10a Rear fuse block (under left rear seat) Reverse lamp relay Reverse lp rly ctrl Right back- up lamp S411 Serial data Splice pack sp105 Splice pack sp401 Tr sw a Tr sw b Exterior Lamps Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Exterior Lamps Wiring Diagram for Buick LeSabre Limited 2003: 110 (behind right side of dash) dash integrated control module) (i/p harn, near breakout to i/p integration module) (near left strut tower, on frame rail) (rear compt lid harn, near grommet at license plate lamp) Batt C1 a3 C1 a4 C1 a7 C1 a8 C1 b4 C1 b5 C1 b6 C1 b7 C1 b8 C1 b9 C1 c9 C2 b5 C2 e6 C2 e7 C2 f8 C2 f9 Dmr fuse 10a Driver's outside rearview mirror (turn signal indicator) F12 G103 (mounted to inner body panel, forward of under- hood fuse block) G103 (mounted to inner body panel, forward of underhood fuse block) G106 G200 (lower front corner of passenger compt, on left front door pillar) G200 (passenger compt, on left front door pillar) G201 (lower right corner of passenger compt, on right front door pillar) G201 (passenger compt, on right front door pillar) G401 (on lower right corner of trunk, forward of tail lamp) G402 (on lower left corner of trunk, forward of tail lamp) Gnd Hazard sw Head-up display module (on top left side of dash) Headlamp sw Headlamp sw sign Headlamp switch Headlights system High mounted stop lamp Hot at all times Hot in run & start Ign1 fuse 10a Instrument panel cluster L cornering lmp Left cornering lamp Left front marker lamp Left front park/ turn signal lamp Left license plate lamp Left rear marker lamp Left rear park lamps Left tail/ stop/turn lamp Left turn Left turn ind Lf turn sign lmp Lh park lp fuse 10a Lr stop/turn lmp Nca Nca b Not used Park lamp sw sign Park lp relay Passenger's outside rearview mirror (turn signal indicator) Pk lp on input Pk lp sw Pnk Prk lp rly ctrl R cornering lmp Rear fuse block (under left rear of seat) Rf turn sign lmp Rh park lp fuse 10a Right cornering lamp Right front marker lamp Right front park/ turn signal lamp Right license plate lamp Right rear marker lamp Right rear park lamps Right tail/ stop/turn lamp Right turn Right turn ind Rr stop/turn lmp S121 S122 S203 S208 S224 nca S226 S251 S252 S309 S411 S412 S413 Sp200 Splice pack sp103 Splice pack sp106 Splice pack sp200 Splice pack sp201 Splice pack sp301 (under left front seat) Splice pack sp401 Stop lmp sw out Stop lp fuse 15a Stoplamp switch (on brake pedal support) c1 Tan Tsig/ haz fuse 15a Turn signal/ hazar switch Turn signal/hazard flasher module (under left side of dash) Under- hood fuse block (right front side of engine) compt) Under- hood lamp
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 4) for Buick LeSabre Limited 2003 List of elements for Ground Distribution Wiring Diagram (1 of 4) for Buick LeSabre Limited 2003: 46 A/c compressor clutch A/c compressor clutch diode Accy relay Automatic transaxle Brake fluid level switch Coil Contact Cool fan s/p relay (series/ parallel) Cruise control module Drl relay Electronic brake control module (ebcm) Engine oil level switch F11 G100 (left side of eng) G101 G102 (lower front of eng) G103 (on inner body panel) G104 (on top of transmission) G105 (behind power steering pump) G106 (near left strut tower) G107 (in front of underhood fuse block) Heated oxygen sensor (ho2s) (b1,s1) Heated oxygen sensor (ho2s) (b1,s2) Horn assembly Ign-1 relay Ignition control module (icm) Internal mode switch Left cooling fan Left cornering lamp Left front park/turn signal lamp Left low beam headlamp Mass air- flow (maf) sensor Nca Powertrain control module (pcm) Right front park/turn lamp S108 (in engine harn, 18 cm from a/c clutch connector breakout) S122 (in forward lamp harness 17 cm from c108) Splice pack sp100 Splice pack sp105 Splice pack sp106 Underhood fuse block (right front side of engine compartment) Underhood lamp W/cornering lamps W/o cornering lamps Windshield washer pump Windshield wiper motor Ground Distribution Wiring Diagram (2 of 4) for Buick LeSabre Limited 2003 List of elements for Ground Distribution Wiring Diagram (2 of 4) for Buick LeSabre Limited 2003: 54 (in i/p harn, 6.5 cm from radio breakout) A16 Auto a/c Auto trans shift lock control actuator B16 Blower control module D16 Dash integration module (dim) Data link connector (dlc) (partial) Driver door lock switch Driver door module (ddm) Driver door switch assembly (ddsa) Driver heated seat switch Driver information display switch Front cigar lighter G200 (on left front dor pillar) G201 (on right front door pillar) G300 (on forward crossmember) Headlamp switch Heads up display (hud) dimmer switch Heads up display (hud) switch Heater & a/c control I/p compartment lamp switch If equipped Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Instrument panel integration module (ipm) Key buzzer switch Left front door lock actuator Left front door lock cylinder switch Left side steering wheel controls Manual a/c Memory personal- ization function switch Nca Passenger door module (pdm) Radio Rear compartment lid release switch Right side steering wheel controls S203 (in i/p harn, 17.5 cm from ipm breakout) S205 (in i/p harn, 13.5 cm from hvac breakout) S208 S214 (in steering wheel harn, 5 cm from sir coil) S225 (in steering column harness) S226 (in steering column harness) S253 S500 (in left front door trim harn, 19 cm from 503 breakout) Splice pack sp200 Splice pack sp300 Steering column fuse holder Tcc/cruise release switch Traction control switch Turn signal multifunction switch Turn signal/ hazard flasher lamp module Vehicle theft deterrent control module Ground Distribution Wiring Diagram (3 of 4) for Buick LeSabre Limited 2003 List of elements for Ground Distribution Wiring Diagram (3 of 4) for Buick LeSabre Limited 2003: 51 (under left rear seat) rear fuse block (under right side of rear seat) g305 6 way seats 8 way seats A11 A18 B12 Battery D (or e) Dash integration module (dim) Driver heated seat module Driver memory seat module Driver seat adjuster switch Driver seat recline switch Floor ctsy lmp relay Front auxiliary power outlet Front passenger heated seat module Front passenger seat adjuster switch Front passenger seat recline switch Fuel door lock relay Fuel door unlock relay Fuel pump relay G301 (on forward crossmember) G302 (under left side of rear seat) G303 (under right front seat) G310 (on right "c" pillar) G404 (behind left rear "c" pillar) If equipped Ign-1 relay Inflatable restraint sensing & diagnostic module (sdm) Left rear door module (lrdm) Nca Onstar cellular antenna Rear auxiliary power outlet Rear window defogger Remote control door lock receiver (rcdlr) Right rear door module (rrdm) S315 (in left seat harn, 6.5 cm from left front seat 6.5 cm from left heated seat module connector breakout) S316 S321 (in left seat harn, 9.5 cm front seat, 9.5 cm from left seat harn clip) S322 (in right seat harn, under right front seat, 9.5 cm from right right seat harn clip) S324 (w/heated seats) (in left seat harness, under left front seat 9.5 cm from left seat harn clip) Splice pack sp301 Splice pack sp302 Vehicle communication unit (vcu) W/2 way power seats W/6 & 8 way power seats W/heated seats W/memory & lumbar seats, auto dimming inside rear view & outside mirrors W/o heated seats W/o memory & lumbar seats, auto dimming inside rear view & outside mirrors Ground Distribution Wiring Diagram (4 of 4) for Buick LeSabre Limited 2003 List of elements for Ground Distribution Wiring Diagram (4 of 4) for Buick LeSabre Limited 2003: 43 (w/ garage door opener) (w/o garage door opener) Automatic level control air compressor Center high mounted stop lamp (chmsl) Fuel tank unit G401 (on lower right corner of trunk) G402 (on lower left corner of trunk) Garage door opener If equipped Inside rear view mirror Left tail/ stoplamp Left back-up lamp Left rear reading lamp switch Left tail/ stoplamp Left vanity mirror License lamp Marker lamp Outside moisture sensor Overhead console cigar lighter Overhead console reading lamp Rear compartment lid release actuator Rear integration module (rim) Right back-up lamp Right cornering lamp Right high beam headlamp Right low beam headlamp Right rear reading lamp switch Right rear side marker lamp Right rear turn/stop taillamp Right tail/ stoplamp Right vanity mirror S100 (in forward lamp harn, 4 cm from g103 breakout) S121 (in forward lamp harn, 17 cm from c109) S329 (in headliner harn, 15.6 cm from c329) S334 S360 S411 (in rear compt lid harn, 34.5 cm from p410 breakout) Splice pack sp401 Splice pack sp402 Sunroof module Vehicle interface unit (viu) W/ cornering lamps W/o cornering lamps
HEADLIGHTS Headlights Wiring Diagram, with Auto A/C for Buick LeSabre Limited 2003 List of elements for Headlights Wiring Diagram, with Auto A/C for Buick LeSabre Limited 2003: 58 (top center of dash) sunload sensor assembly A11 A12 B10 B11 B12 Computer data lines system Dash integration module (dim) (right side of dash) Dimmer switch Drl relay F11 Flash- to-pass switch Fog/ drl fuse 15a G103 (forward of underhood fuse block) G200 (on left front door pillar) G401 (on lower right corner of trunk) Hdhi- bml fuse 10a Hdhi- bmr fuse 10a Hdlo- bml fuse 15a Hdlo- bmr fuse 15a Hdlp hi bm relay Hdlp lo bm relay Headlamp beam switch Headlamp dimmer switch Headlamp switch Hot at all times Instrument panel integration module (behind left side of dash) Interior lamp switch Interior lights system Ip fuse 10a Left high beam head- lamp Left low beam head- lamp Lights on ind Low M10 M11 N11 Nca P10 P11 Pk lp switch Pnk Prk lp relay Rear fuse block (under left rear seat) Right high beam head- lamp Right low beam head- lamp S100 S122 (w/ cornering lamps) S204 (i/p harn, upper left side of dash) S206 S208 S226 Splice pack sp103 Splice pack sp200 Splice pack sp401 Twilight delay sw Underhood fuse block (right front side of engine compt) Wiper/ washer system Headlights Wiring Diagram, with Manual A/C for Buick LeSabre Limited 2003 List of elements for Headlights Wiring Diagram, with Manual A/C for Buick LeSabre Limited 2003: 57 (top center of dash) sunload sensor assembly A11 A12 B10 B11 Computer data lines system Dash integration module (dim) (right side of dash) Dimmer switch Drl relay F11 Flash- to-pass switch Fog/ drl fuse 15a G103 (forward of underhood fuse block) G200 (on left front door pillar) G401 (on lower right corner of trunk) Hdhi- bml fuse 10a Hdhi- bmr fuse 10a Hdlo- bml fuse 15a Hdlo- bmr fuse 15a Hdlp hi bm relay Hdlp lo bm relay Headlamp beam switch Headlamp dimmer switch Headlamp switch Hot at all times Hvac control module (behind left side of dash) Interior lamp switch Interior lights system Ip fuse 10a Left high beam head- lamp Left low beam head- lamp Lights on ind Low M10 M11 N11 Nca P10 P11 Pk lp switch Pnk Prk lp relay Rear fuse block (under left rear seat) Right high beam head- lamp Right low beam head- lamp S100 S122 (w/ cornering lamps) S204 (i/p harn, upper left side of dash) S206 S208 S226 Splice pack sp103 Splice pack sp200 Splice pack sp401 Twilight delay sw Underhood fuse block (right front side of engine compt) Wiper/ washer system
HORN Horn Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Horn Wiring Diagram for Buick LeSabre Limited 2003: 17 1995 vftc c A12 B12 C202 D10 Dash integration module (behind right side of dash) Dual horn assembly (behind left front fascia) G103 Horn fuse 15a Horn relay Horn switch Hot at all times Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Nca Sp103 (forward of underhood fuse block) Underhood fuse block
INSTRUMENT CLUSTER Head-Up Display Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Head-Up Display Wiring Diagram for Buick LeSabre Limited 2003: 34 Battery C11 Computer data lines system Cruise control system, instrument cluster system Data lines Dimming Dimming signal Exterior lights system G201 (lower right corner of passenger compt, on right right front door pillar) Ground Head-up display (hud) dimmer switch Head-up display (on top left side of dash) Hot at all times Hot in run or start Ign 3 fuse 10a Ignition Image down Image up Instrument cluster circuit Interior lights system Ip fuse 10a Lf turn signal Motor down feed Motor up feed Powertrain control module (pcm) (in air cleaner housing) Rear fuse block (under left rear seat) Rf turn signal S200 S201 (dash harn, 23.5 cm from instrument panel) cluster) S203 S205 S206 S215 (body harn, left side of vehicle, 19.5 cm from pass through grommet) Vehicle speed signal Instrument Cluster Wiring Diagram, with U2E for Buick LeSabre Limited 2003 List of elements for Instrument Cluster Wiring Diagram, with U2E for Buick LeSabre Limited 2003: 84 Abs ind Abs ind control Airbag ind Airbag ind control Battery Brake fluid level switch (in master cylinder reservoir) Brake fluid lvl Brake ind Brake ind control Check oil level ind Check oil level ind control Computer data lines system Coolant temp ind Coolant temp ind control Cruise control system Cruise ind Cruise ind control Data lines Driver information center (dic) switch Electronic brake control module (ebcm) (on left front of engine compt) Eng/ met Eng/met sign Exterior lights system Fuel gauge Fuel info G103 (mounted to inner body panel, forward of underhood fuse block) G106 (near left strut tower, on framerail) G200 (lower front corner of passenger compt, on left front door pillar) G201 (lower right corner of passenger compt, on right front door pillar) Gauge info Ground Head-up display circuit Hi beam in control High beam ind Hot at all times Hot in run or start Ign 1 fuse 10a Ignition Illumination Instrument cluster Interior lights system Ip fuse 10a Left turn Left turn ind Mil control Odo/ trip Odo/trip Oil pressure ind Oil pressure ind control Park brake Park brake switch (on top of park brake pedal assembly) Pnk Powertrain control module (pcm) (in air cleaner housing) Rear fuse block (under left rear seat) Reset Right turn Right turn ind S201 (dash harn, 23.5 cm from instrument cluster panel) S203 S206 S208 S216 S253 Seat belt ind Seat belt ind control Security ind Security ind control Service engine soon ind Speedometer gauge Tach signal Tacho- meter Tachometer Tan Temperature gauge Traction off ind Traction off ind control Traction on ind Underhood fuse block (right front side of engine compt) Vehicle speed Volt ind Volt ind control Vss signal Washer fluid lvl Windshield washer fluid level switch (in windshield washer fluid reservoir) Instrument Cluster Wiring Diagram, with UB7 for Buick LeSabre Limited 2003 List of elements for Instrument Cluster Wiring Diagram, with UB7 for Buick LeSabre Limited 2003: 80 Abs ind Abs ind control Airbag ind Airbag ind control Battery Brake fluid level switch (in master cylinder reservoir) Brake fluid lvl Brake ind Brake ind control Check oil level ind Check oil level ind control Computer data lines system Coolant temp ind Coolant temp ind control Cruise control system Cruise ind Cruise ind control Data lines Driver information center (dic) switch Electronic brake control module (ebcm) (on left front of engine compt) Eng/ met Eng/met sign Exterior lights system Fuel gauge G103 (mounted to inner body panel, forward of underhood fuse block) G106 (near left strut tower, on framerail) G200 (lower front corner of passenger compt, on left front door pillar) G201 (lower right corner of passenger compt, on right front door pillar) Ground Head-up display circuit Hi beam in control High beam ind Hot at all times Hot in run or start Ign 1 fuse 10a Ignition Illumination Instrument cluster Interior lights system Ip fuse 10a Left turn Left turn ind Mil control Oil pressure ind Oil pressure ind control Park brake Park brake switch (on top of park brake pedal assembly) Pnk Powertrain control module (pcm) (in air cleaner housing) Rear fuse block (under left rear seat) Reset Right turn Right turn ind S201 (dash harn, 23.5 cm from instrument cluster panel) S203 S206 S208 S216 S253 Seat belt ind Seat belt ind control Security ind Security ind control Service engine soon ind Speedometer gauge Tach signal Tacho- meter Tachometer Temperature gauge Traction off ind Traction off ind control Traction on ind Trip reset Underhood fuse block (right front side of engine compt) Vehicle speed Volt ind Volt ind control Vss signal Washer fluid lvl Windshield washer fluid level switch (in windshield washer fluid reservoir)
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Buick LeSabre Limited 2003 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Buick LeSabre Limited 2003: 45 A12 B12 C1 a4 Class 2 serial data line Computer data lines system D12 Driver door courtesy lamp Driver door module (upper right corner of door, behind trim panel) E11 E12 G401 (lower right corner of trunk, forward of tail lamp) Ground Hot at all times Instrument panel integration module (ipm) (behind left side of dash) Int lp fuse 10a Int lp relay Interior lamp relay control Left foot well courtesy lamp Left front door lock actuator Left front door open input Left rear door courtesy lamp Left rear door lock actuator Left rear door module (lrdm) (in left rear door) Left rear door open input Rear compartment courtesy lamp Rear compartment lid release actuator Rear fuse block (under left rear seat) Rear integration module (rim) (behind upper left rear seat cushion) Red/ Right front door lock actuator Right front door module (rfdm) (in right front door, near door latch) Right front door open input Right rear door lock actuator Right rear door module (rrdm) (in right rear door) Right rear door open input S302 Simple bus interface (sbi) Sp306 (in body harn splicesaver, 8 cm from rear fuse block breakout) Tan Tan/ To s332 (diagram 2 of 2) To s333 (diagaram 2 of 2) To sp310 (diagaram 2 of 2) To sp310 (diagram 2 of 2) Trunk lid open input Courtesy Lamps Wiring Diagram (2 of 2) for Buick LeSabre Limited 2003 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Buick LeSabre Limited 2003: 27 (in headliner, approx 35.5 cm from overhead console connector breakout) s333 (in headliner, approx 42 cm from overhead console connector breakout) s332 (w/ vanity mirror) (w/o vanity mirror) A10 B10 Courtesy lamp ground From rear fuse block (diagram 1 of 2) From sp306 (diagram 1 of 2) Front passenger door courtesy lamp Front passenger foot well courtesy lamp G201 (lower right corner of passenger compt on right front door pillar) G402 (on lower left corner of trunk, forward of tail lamp) I/p compartment switch/ lamp Inadvertent power input Left front reading courtesy lamp Left rear reading courtesy lamp Left vanity mirror Overhead console Rear integration module (rim) (behind upper left rear seat cushion) Right front reading courtesy lamp Right rear door courtesy lamp Right rear reading courtesy lamp Right vanity mirror S203 S329 Sp310 (in body harn splicesaver, 18 cm from rear fuse block breakout) Instrument Illumination Wiring Diagram (1 of 2) for Buick LeSabre Limited 2003 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Buick LeSabre Limited 2003: 39 (auto hvac) a5 (auto hvac) b1 (in steering column harness) s227 (instrument panel harness) s207 (manual hvac) b15 (manual hvac) b16 C1 a4 C1 d4 C3 b8 Control power Dash integration module (dim) (behind right side of dash, under sound insulator) Dimr fuse 14 10a Drivers information center (dic) switch Front cigar lighter G200 (lower front corner of passenger compt on left front door pillar) G201 (lower right corner of passenger compt on right front door pillar) Head- lamp switch Heads up display (hud) switch Heater & a/c control assembly Hot at all times Incandescent dimming output Inflatable restraint steering wheel module coil Instrument cluster Left steering wheel controls Nca Nca f Nca h Park lamp input Park lamp relay control Prk lp relay Radio Rear fuse block (under left side of rear seat) Right steering wheel controls S208 S225 S228 (in steering column harness) Sp301 (in body harness splicesaver, left side) Steering column fuse holder Switch fuse 2a Instrument Illumination Wiring Diagram (2 of 2) for Buick LeSabre Limited 2003 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Buick LeSabre Limited 2003: 52 (auto hvac) (manual hvac) (left front door trim harn, between door & door trim panel) (right front door trim harn, between door & door trim panel) 5v ref A11 A12 Air temperature switch assembly B11 a2 B12 a6 B8 a4 C1 a4 C1 a5 C2 a12 C2 b12 C2 b2 C6 b6 Class 2 serial data line Climate control panel (manual a/c) instrument panel integration module (ipm) (auto a/c) (behind left side of dash) Computer data lines system D8 a3 Dash integration module (dim) (behind right side of dash, under sound insulator) Driver door lock switch Driver heated seat switch (if equipped) Driver window switch Drivers door module (upper right corner of door, behind trim panel) Front passenger power door lock switch Front passenger power window switch G200 (lower front corner of passenger compt on left front door pillar) Ground Headlamp switch I/p dimmer switch I/p dimmer switch input Incadescent dimming output Instrument cluster (ipc) Interior lamp switch Interior lamp switch input Memory function switch (if equipped) Off Radio Rear integration module (rim) (behind upper left rear seat cushion) Right front door module (rfdm) (in right front door, near door latch) Right front heated seat switch (if equipped) S204 (i/p harn, left side of dash) S208 S302 S500 (left front door trim harn, between door & door trim panel) S501 S603 S604 (right front door trim harn, between door & door trim panel) Sensor return Simple bus interface (sbi) Twilight delay switch
MEMORY SYSTEMS Memory Mirrors Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Memory Mirrors Wiring Diagram for Buick LeSabre Limited 2003: 44 (body harn, 14.5 cm from left power seat breakout) (left front door trim harn, 19 cm from c503) s500 A up/down motor position input B left/right motor position input Batt(+) Battery Driver Driver 1 input Driver 2 input Driver door module (inside driver's door) Driver door switch assembly Driver outside rearview mirror Drv mdl fuse 10a E postion sensors return Exit G200 (left front door pillar) G201 Gnd Heating element feed Heating element return Hot at all times Interior lights system J left/right motor control K up/down motor control Left/ right motor Left/ right motor position sensor Left/right motor control M postion sensors feed Memory personalization function switch Mirror heating element Motor control Nca Pass mdl fuse 10a Passenger door module (inside passenger's door) Passenger outside rearview mirror Rear fuse block S302 S602 (lesabre) Serial data Splice pack sp200 Splice pack sp201 (right front door pillar) Up/ down motor Up/ down motor position sensor Up/down l Memory Seat Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Memory Seat Wiring Diagram for Buick LeSabre Limited 2003: 98 (in left seat harn, 16 cm from left seat harn clip) (in left seat harn, 21 cm from left seat harn clip) (left front door trim harn, 19 cm from c503) s500 (left lumbar harn, 5 cm from c14 connector) Batt Battery C10 C11 C12 C13 C14 C15 C16 Class 2 data Computer data lines system D10 D11 D12 D13 D14 D15 D16 Driver Driver 1 input Driver 2 input Driver door module (inside driver's door) Driver door switch assembly Driver seat adjuster switch Driver seat front vertical motor Driver seat front vertical position sensor Driver seat horizontal motor Driver seat horizontal position sensor Driver seat lumbar horizontal motor Driver seat lumbar horizontal 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 recliner position sensor E12 Exit Frnt hgt mtr sens in Front Front height sw input Frt vert dn ctrl Frt vert up ctrl Fwd Fwd-bk mtr sens in Fwd/bk sw input G301 (on forward crossmember) Ground Horiz backward ctrl Horiz forward ctrl Hot at all times Interior lights system Lumbar down ctrl Lumbar down in Lumbar forward ctrl Lumbar in input Lumbar in/out sens in Lumbar out in Lumbar rearward ctrl Lumbar up ctrl Lumbar up in Lumbar up/dn sens in Mem fuse 10a Memory personalization funciton switch Memory seat module (under driver's seat) Nca Out Pnk Pnk a Position sensors feed Pwr seat circuit breaker 30a Rear Rear fuse block Rear height sw input Rear hgt mtr sens in Rear vert up ctrl Recline Recline back ctrl Recline forward ctrl Recline mtr sens in Recliner sw input Red S317 S317 (in left seat harn, 11.5 cm from left seat harn clip) S319 S320 S321 (w/ heated seats) S330 S331 Serial data Solid state Splice pack sp301 Tan
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Buick LeSabre Limited 2003 List of elements for Power Distribution Wiring Diagram (1 of 4) for Buick LeSabre Limited 2003: 83 (on forward crossmember) g301 (on right front door pillar) g201 A/c clu fuse 15a A/c clutch relay Abs fuse 50a Accy fuse 15a Accy relay Automatic trans- mission Aux pwr fuse 20a B12 Battery C/ltr fuse Cigar lighter Cool fan 1 fuse 30a Cool fan 1 relay (low speed) Cool fan 2 fuse 30a Cool fan 2 relay (high) speed) Cool fan s/p relay Cr cont fuse 10a Cruise control module D12 D8 pnk Dis fuse 20a Drl relay E12 Electronic brake control module Evaporative emissions canister purge solenoid Fog/ drl fuse 15a From fog/ b drl fuse (diagram 1 of 4) From pcm c batt fuse (diagram 1 of 4) Front auxiliary power outlet Fuel injector G103 (on inner body panel) Generator Hdhi bml fuse 10a Hdhi bmr fuse 10a Hdlo bml fuse 10a Hdlo bmr fuse 10a Hdlp lo bm relay Hdlp hi bm relay Heated oxygen sensor bank 1 sensor 12 (ho2s1) Heated oxygen sensor bank 1 sensor 2 (ho2s2) Horn fuse 15a Horn relay Ign 1 fuse 10a Ign-1 relay Ignition control module Injr 1 fuse 10a Injr 2 fuse 10a Interior lights system Left high beam headlamp Left low beam headlamp Mass airflow sensor Outside moisture sensor Oxy sen fuse 10a Pcm batt fuse 10a Pcm ign fuse 10a Pnk Power- train control module Powertrain control module Rear auxiliary power outlet Red Right high beam headlamp Right low beam headlamp S203 S350 Start 1 relay Start circuit breaker 30a Start relay Starter solenoid Theft deterrent control module To body fuse (diagram 2 of 4) To cigar relay (diagram 2 of 4) To hdlp lo bm relay (diagram 1 of 4) To ign-1 relay (diagram 1 of 4) To underhood fuse block (diagram 4 of 4) Trans fuse 10a Underhood fuse block W/ battery saver W/o battery saver Wind- shield wiper motor Wind- shield wiper switch Wsw fuse 30a Power Distribution Wiring Diagram (2 of 4) for Buick LeSabre Limited 2003 List of elements for Power Distribution Wiring Diagram (2 of 4) for Buick LeSabre Limited 2003: 97 (in body harn, 12 cm from rear fuse block breakout) s309 (in body harn, 17 cm from p100) s216 (in body harn, 5.5 cm from rear fuse block breakout s308 (in left seat harn, 11.5 cm from left seat harn) (in rear compt lead harn, 34.5 cm from p410 breakout) s411 (under left side of rear seat) g302 A10 A11 A12 Aldl fuse 10a Audio fuse 10a B nca B12 Body fuse 15a Cigar fuse 40a Cigar relay D10 D11 D12 Dash integration module Data link connector Dim fuse 10a Dimr fuse 10a Driver heated seat module Driver memory seat module Driver seat adjuster switch Driver seat lumbar switch E11 Evaporative emissions canister purge solenoid F/ pmp relay F/pmp fuse 20a F/tnk dr lock relay F/tnk dr rel relay From aux/pwr fuse (diagram 1 of 4) From battery a (diagram 1 of 4) From e cigar fuse (diagram 2 of 4) From f aldl fuse (diagram 2 of 4) Garage door opener Generator Htdst lf fuse 10a Htdst rf fuse 10a Hvac batt fuse 10a Hvac control module Ign-1 fuse 10a Ign-1 relay Inflatable restraint sensing & diagnostic module Instrument cluster Instrument panel integration module Int lamp relay Int lp fuse 10a Left front turn signal/ park lamp Left license plate lamp Left marker lamp Left tail/ stop lamp Lp pkl fuse 10a Lp pkr fuse 10a Mem fuse 10a Nca Park lp relay Park relay Passenger heated seat module Pnk Power sun roof module Prk/rev fuse 10a Radio Rap fuse 20a Rap relay Rear defog relay Rear fuse block Rear integration module Rear intrgration module Reverse relay Right front turn signal/ park lamp Right license plate lamp Right marker lamp Right tail/ stop lamp Rr defog fuse 40a S224 S317 S406 Sir fuse 15a Steering column fuse holder Stoplight/ auto trans shift lock control switch To drv mdl fuse (diagram 3 of 4) To ign-1 relay (diagram 2 of 4) To park lp relay (diagram 2 of 4) To rear fuse block (diagram 4 of 4) Trk rel relay Trk/ rel relay Turn signal/ multifunction switch Under- hood fuse block Vehicle communication interface module (vcim) Vent sol fuse 10a W/ electronic a/c W/ universal garage door opener W/o electronic a/c W/o universal garage door opener Power Distribution Wiring Diagram (3 of 4) for Buick LeSabre Limited 2003 List of elements for Power Distribution Wiring Diagram (3 of 4) for Buick LeSabre Limited 2003: 84 (in hvac harn, 30 cm from c204 breakout) s221 (in i/p harn, 6 cm from instrument cluster breakout) s200 (in i/p harn, 6.5 cm from instrument cluster breakout) s206 (in left seat harn, 9.5 cm from right seat harn) s323 (in right front door harn, 10 cm from door module conn breakout) s602 (under left side of rear seat) g302 A10 A11 Abs fuse 10a Automatic level control compressor B10 Blower motor control processor C11 C12 Dash inte- gration module Digital radio receiver Driver adjuster seat switch Driver door module Driver heated seat module Drv mdl fuse 10a E10 E12 Elc fuse 30a Elc relay Electronic brake control module F h F12 From audio i amp fuse (diagram 3 of 4) From hvac g batt fuse (diagram 2 of 4) From stop h lp fuse (diagram 3 of 4) Front passenger door module Front passenger heated seat module Front passenger seat adjuster switch Front passenger seat recline switch Head up display Head up display switch Headlamp switch Heater & a/c control module Hvac blo fuse 30a Hvac control module Hvac fuse 10a Ign sw fuse 15a Ign-3 fuse 10a Ign-3 relay Inside rear view mirror Instrument panel cluster Instrument panel integration module Ip fuse 10a Left air temperature actuator Left rear door module Memory seat module driver Mode actuator Pass mdl fuse 10a Pwr seat circuit breaker 30a Pwr wdo circuit breaker 30a Rear fuse block Rear inte- gration module Recirc- ulation actuator Red Remote control door lock receiver Right air temperature actuator Right rear door module Right seat lumbar switch Rrdrmdl fuse 10a S221 S304 (in body harn, 11.5 cm from g300 breakout) S307 (in body harn, 1.5 cm from rear fuse block breakout) Sdar fuse 5a Stop lp fuse 15a Stoplamp/ auto trans shift lock control switch To ign sw fuse (diagram 3 of 4) To ign-3 3 relay (diagram 3 of 4) To ignition switch (diagram 4 of 4) To rear fuse block (diagram 4 of 4) Tsig/haz fuse 15a Turn signal/ hazard flasher module Underhood fuse block W/ 6 way seat W/ electronic a/c W/ memory seat W/ recline seat w/o recline seat W/o 6 way seat W/o electronic a/c W/o memory seat Power Distribution Wiring Diagram (4 of 4) for Buick LeSabre Limited 2003 List of elements for Power Distribution Wiring Diagram (4 of 4) for Buick LeSabre Limited 2003: 27 (in body harn, 56 cm from rear of dim breakout) s212 A/c clutch relay A11 Acc Assembly breakout) Dash integration module E10 Elc relay From accy relay (diagram 1 of 4) From ign sw fuse (diagram 3 of 4) From ign-1 relay (diagram 1 of 4) From ign-1 relay (diagram 2 of 4) From ign-3 relay (diagram 3 of 4) Ignition switch Lock Nca Park relay Pnk Powertrain control module Rear defog relay Rear fuse block Run S208 Start Theft deterrent control module Underhood fuse block Unlock
POWER DOOR LOCKS Door Lock Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Door Lock Wiring Diagram for Buick LeSabre Limited 2003: 56 (in left front door) (in right front door) (lower right "a" pillar) g201 (under left rear seat) g302 Actuator dr Air conditioning systems Ajar Battery Class 2 data Computer data lines system Cylinder switch Door ajar Door open Driver door lock actuator Driver door lock switch Driver door module Driver door switch assembly Drvmdl fuse 7 10a E10 Front passenger door lock actuator Front passenger door module G200 (lower left "a" pillar) G301 (under right front seat) Grd Ground Hot at all times Ign sw fuse 29 15a Interior lights system Key cyl in Left rear door lock actuator Left rear door module Lock Open Pass mdl fuse 25 10a Passenger door lock switch Pwr wdo circuit breaker 57 30a Rear fuse block Remote control door lock receiver (below rear shelf) Right rear door lock actuator Right rear door module Rrdr mdl fuse 18 10a S302 S500 S602 S604 Sbi Seats system Serial data Sib Sp200 Sp201 Sp301 Sp302 Tan Unlock Unlock' Fuel Door Lock Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Fuel Door Lock Wiring Diagram for Buick LeSabre Limited 2003: 22 Aldl fuse 4 10a B12 Body fuse 26 15a C2 a12 C2 b3 C3 e7 tan tan Computer data lines system D9 pnk Data lines F/tnk dr lock relay 47 F/tnk dr rel relay 50 Fuel door lock Fuel door release Fuel door release actuator G302 (under rear seat) Hot at all times Pnk Rear data integration lines module (under left rear seat) Rear fuse block (under left rear seat) S308 Splice pack sp302 Tan
POWER MIRRORS Power Mirrors Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Power Mirrors Wiring Diagram for Buick LeSabre Limited 2003: 71 (body harn left side of vehicle, near left power seat breakout) (except pontiac) (left front door trim harn, in left front door) s500 (on lower left corner of trunk, forward of tail lamp) (on lower left front "a" pillar) (on lower right front "a" pillar) A7 c3 Automatic day B1 c3 Battery (b+) Battery b+ Bus interface Computer data lines system D3 c3 Defogger system (heated mirror) Down ctrl Driver door lock switch Driver door module (ddm) Driver door switch asembly Drv mdl fuse 10a E2 c3 Ec feed Ec rerurn Ec return Exterior lights system F2 c3 Front passenger door module (fpdm) G200 G201 G402 Gnd Ground Heating element Horizontal motor Hot at all times Hot in on Ign 3 rr fuse 10a Ign 3 voltage Inside rear view mirror Interior lights system Keypad led Keypad pwr Keypad signal L mirror input Left Left ctrl Left mirror Left rear door module Mirror dn input Mirror l input Mirror r input Mirror up input Nca Night input sig Pass mdl fuse 10a Pnk Pwr wdo circuit breaker 30a R mirror input Rear fuse block (under left rear seat) Reverse lamp relay Reverse sig Right Right ctrl Right mirror Right rear door module S302 S344 Serial data Up ctrl Vehicle interface unit (viu) (2001 only) Vertical motor
POWER SEATS 6-Way & Recliner Power Seat Wiring Diagram for Buick LeSabre Limited 2003 List of elements for 6-Way & Recliner Power Seat Wiring Diagram for Buick LeSabre Limited 2003: 32 (bonneville) (le sabre) Driver seat adjuster switch Driver seat front vertical motor Driver seat horizontal motor Driver seat rear vertical motor Driver seat recline motor E12 Entire seat backward Entire seat forward F12 Front passenger seat adjuster switch Front passenger seat front vertical motor Front passenger seat horizontal motor Front passenger seat rear vertical motor Front passenger seat recline motor Front vertical down Front vertical up G301 (under right front seat, on forward crossmember) Hot at all times Nca Pwr seat circuit breaker 30a Rear fuse block Rear vertical down Rear vertical up Recline backward Recline forward S321 s324 (w/ heated seats) S322 (w/ heated seats) S323 (bonneville) S325 (bonneville) Slice pack sp301 Tan 6-Way Power Seat Wiring Diagram for Buick LeSabre Limited 2003 List of elements for 6-Way Power Seat Wiring Diagram for Buick LeSabre Limited 2003: 25 Driver seat adjuster switch Driver seat front vertical motor Driver seat horizontal motor Driver seat rear vertical motor E12 Entire seat backward Entire seat forward F12 Front passenger seat adjuster switch Front passenger seat front vertical motor Front passenger seat rear horizontal motor Front passenger seat rear vertical motor Front vertical down Front vertical up G301 (under right front seat, on forward crossmember) Hot at all times Pwr seat circuit breaker 30a Rear fuse block Rear vertical down Rear vertical up S322 (le sabre w/ heated seats) S323 (bonneville) S324 (le sabre w/ heated seats) Splice pack sp301 Tan Heated Seats Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Heated Seats Wiring Diagram for Buick LeSabre Limited 2003: 50 A12 B12 C11 Cntrld gnd Computer data links system Data Door locks system Driver door module Driver heated seat back element Driver heated seat cushion element Driver heated seat module Driver heated seat switch Front passenger door module Front passenger heated seat back element Front passenger heated seat cushion element Front passenger heated seat module Front passenger heated seat switch G301 (under right front seat, on forward crossmember) Gnd Ground Heater cntrl Heating element Hi led Hot at all times Hot in on Htdstlf fuse 10a Htdstrf fuse 10a Ign Ign 3 rr fuse 10a Interior lights system Lo led Nca Off Off sw Pnk Rear fuse block Rear integration module (rim) (behind upper left rear seat cushion) Red S304 S321 S322 S500 S604 Simple bus Splice pack sp301 Status output Sw signal Temp sense Temp senser Thermistor Recliner Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Recliner Wiring Diagram for Buick LeSabre Limited 2003: 16 Back Driver seat recline motor Driver seat recline switch E12 F12 Forward Front passenger recline motor Front passenger seat recline switch G301 (under right front seat, on forward crossmember) Hot at all times Nca Pwr seat circuit breaker 30a Rear fuse block S315 S316 Splice pack g301
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Power Top/Sunroof Wiring Diagram for Buick LeSabre Limited 2003: 25 A buick Close Control D10 Express Express inp G401 (lower right corner of trunk) Ground Hot at all times Limit sw Limit switch Motor ctrl Open Pontiac b Rap Rap fuse 20a Rap relay Rear fuse block (under left rear seat) Rear integration module (behind upper left rear seat cushion) Red Slide input Sun roof module (rear of glass assembly, above headliner) Sun roof motor (rear of glass assembly, above headliner) Sun roof switch (in overhead console) Vent input
POWER WINDOWS Power Windows Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Power Windows Wiring Diagram for Buick LeSabre Limited 2003: 49 (in body harness, left side of vehicle 14.5 cm (5.7 in) from left power seat breakout) s302 Battery Data Door locks system Down Down input Down signal Driver door module (ddm) (in left front door behind trim panel, in upper right corner of door) Driver door switch assembly (ddsa) Driver window motor (in left front door) Drvmdl fuse 10a Express down Express input Front passenger door module (fpdm) (in right front door behind trim panel, in upper left corner of door) Front passenger window motor (in right front door) Front passenger window switch G200 (left front corner of passenger compartment on left front door pillar) G201 (lower right corner of passenger compartment on right front door pillar) G301 (under right front seat, on forward crossmember) G302 (under left side of rear seat) Ground Hot at all times Illum Interior lights system Left front door) s500 Left front window Left rear door module (lrdm) (in left rear door) Left rear window Left rear window motor (in left rear door) Left rear window switch Lockout input Memory systems Motor down Motor up Pass mdl fuse 10a Pwr wdo circuit breaker 30a Rear fuse block (under left rear seat) Right front window Right rear door module (rrdm) (in right rear door) Right rear window Right rear window motor (in right rear door) Right rear window switch Rrdr mdl fuse 10a S602 (in right front door harness 10 cm (4 in) from door module connector breakout) Serial data Up input Up signal Window lockout Window switches
RADIO Radio Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Radio Wiring Diagram for Buick LeSabre Limited 2003: 82 (lower front corner of passenger compt, on left front door pillar) (under left front seat, on forward crossmember) (w/cj2) A10 A11 A12 A13 A14 A15 A16 Am/fm rear glass antenna Ant in (sat) Ant in (terr) Antenna Aud out - Audio fuse 21 10a Audio output B10 B11 B12 B13 B14 B15 B16 Bare Batt Case gnd Coax Computer data lines system Dash integration module (behind right side of dash) c2 Data Digital radio antenna Digital radio receiver Drain wire Enable Fm comp sig Fm front glass antenna G200 G300 G405 (on lower left corner of rear compartment) Gnd Ground Hot at all times Ill Inflatable restraint steering wheel module coil Interior lights system Left front door speaker Left front tweeter Left rear speaker Left side steering wheel controls Lf aud + Lf spkr Lr spkr Lt audio sig Nca Radio Radio antenna module (on center rear of headliner) Rear fuse block (under left rear seat) Rf spkr Right front door speaker Right front tweeter Right rear speaker Right side steering wheel controls Rr spkr Rt aud + Rt audio sig S208 S210 Sdar fuse 15 5a Serial data Splice pack sp402 Steering column fuse holder Sw1 Sw2 Sw3 Sw4 Sw5 Sw6 Sw7 Sw8 Switch fuse 2a Tan
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Shift Interlock Wiring Diagram for Buick LeSabre Limited 2003: 33 (pontiac) (buick) 1995 vftc c A/t shif tlock control solenoid A/t shift lock control solenoid A12 Automatic transaxle Automatic transaxle internal mode switch B12 C100 C2 b b C2 c1 Computer data lines Data line G105 (front of engine) G200 (on left front door pillar) G201 (on right front door pillar) Hot at all times Hot in on Park relay Park relay control Pontiac w/center console Pontiac w/o center console/ buick Powertrain control module (in air cleaner housing) Prk/rev fuse 10a Rear fuse block (under left rear seat) Rear integration module (behind upper left rear seat cushion) S225 S228 Splice pack sp105 Splice pack sp200 Splice pack sp201 Stoplamp switch (buick) (on brake pedal bracket) Stoplamp/a/t shift lock control switch (pontiac) (on brake pedal bracket)
STARTING/CHARGING Charging Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Charging Wiring Diagram for Buick LeSabre Limited 2003: 30 (in i/p harn, 6.5 cm from ipm breakout) (not used) a (under right side rear seat) g305 A11 A12 B12 Battery Battery volt indicator Battery volts high Battery volts low Check charge system Dash integration module (dim) (behind right side of dash, under sound insulator) Dim fuse 10a Driver information center E11 Gen field duty cycle sig Gen turn on sig Generator l Hot at all times Instrument panel cluster Powertrain control module (pcm) (in air cleaner housing) Rear fuse block (under left rear seat) Red S202 S217 (in body harn, 24 cm from p100) Serial class 2 data Serial data class 2 Starter solenoid System voltage measurement Underhood fuse block (right front side of engine compartment) Starting Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Starting Wiring Diagram for Buick LeSabre Limited 2003: 28 Acc Battery Computer data lines system G305 (under right side rear seat) Ground distribution system (dash integration module (dim)) Hold in coil Hot in run & start Ign crank sense Ign sw fuse 15a Ignition swtch Lock Nca Pcm batt fuse 10a Power distribution system Powertrain control module (pcm) (in air cleaner housing) Pull in coil Rear fuse block (under left rear seat) Run Serial data class 2 Start Start 1 relay Start circuit breaker 30a Starter ctrl Starter motor Starter solenoid Starting/ charging system (charging circuit) Underhood fuse block (right front side of engine compartment) Unlock
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Supplemental Restraints Wiring Diagram for Buick LeSabre Limited 2003: 46 A10 A11 A12 A13 A14 A15 A16 A17 A18 Air bag indicator Case ground Class 2 serial data Computer data lines system Dash integration module (dim) (behind right side of dash, under sound insulator) Data link connector (dlc) (partial) (under lower left side of dash) Forward discriminating sensor G303 (under right front seat) Ground High control Hot in run & start Ignition Inflatable restraint i/p module Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console, mounted to floor pan) Inflatable restraint side impact module- left front Inflatable restraint side impact module- right front Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Left front seat belt switch (closed w/seat belt unbuckled) (in seat belt assembly, near floor) Left inflatable restraint side impact sensor (sis) (at base of left "b" pillar, behind trim panel) Low control Nca Pnk Rear fuse block (under left rear seat) Right inflatable restraint side impact sensor (sis) (at base of right "b" pillar, behind trim panel) S202 (in i/p harn, 24cm from ipm breakout) Seat belt sw left Seat belt sw low ref Sensor low reference Sensor signal Shorting bar Signal Sir fuse 15a Solid state Tan Voltage
TRANSMISSION
3.8L VIN K 3.8L VIN K, A/T Wiring Diagram for Buick LeSabre Limited 2003 List of elements for 3.8L VIN K, A/T Wiring Diagram for Buick LeSabre Limited 2003: 78 (rear of engine, near thermostat housing) engine coolant temperature (ect) sensor (right front of transaxle, below power steering pump) vehicle speed sensor (vss) 1-2 shift sol 2-3 shift sol 5 volt ref A/t fluid temp A/t iss low A/t speed sens Acc Automatic transaxle Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor Automatic transaxle internal mode switch Automatic transmission fluid pressure manual valve position switch B c Battery Bonneville Bonneville le sabre Computer data lines system Cruise control system E e Ect sensor gnd Ect sensor in G105 (below ignition control module) Hot at all times Hot in run or start Ign Ign 1 Ign 1 fuse 10a Ign1 fuse 12 10a Ignition Ignition 1 Ignition switch (pigtailed for le sabre) Instrument cluster Instrument cluster, turn signal switch Le sabre Lock Logic Malfunc- Malfunction indicator lamp Mil control Off Pcm batt fuse 10a Pcm ground Pcm ign fuse 10a Pnk Powertrain control module (pcm) (near air cleaner housing) Press sol high Press sol low Pressure control sol Rear fuse block Red Run S212 (or s208) S216 Sensor return Serial data Shift sol a Shift sol b Start Stop lamp switch (near brake pedal) Tcc pwm sol Tcc rel switch Tcc release sw Tcc sw Tcc/ cruise switch Throttle position (tp) sensor (on throttle body assembly) Tion ind lamp Tp sensor gnd Tp sensor in Trans fuse 10a Trans sw a Trans sw b Trans sw c Trans sw p Under- hood fuse block Vss hi (signal) Vss lo (ground)
TRUNK, TAILGATE, FUEL DOOR Trunk Release Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Trunk Release Wiring Diagram for Buick LeSabre Limited 2003: 29 A10 c3 A9 c2 Aldl fuse 10a B nca B12 Body fuse 15a C1 c2 Class ii data Computer data lines system Driver's door module (in left front door) Driver's door switch assembly G200 (left front corner of passenger compt, on left front door pillar) G401 (lower right corner of trunk, forward of tail lamp) Ground Hot at all times Rear compartment lid release actuator (on center rear of luggage compt) Rear compartment lid release switch Rear fuse block (under left rear seat) Rear integration module (rim) (behind upper left rear seat cushion) Rr compt lid release actuator control S308 S500 (left front door trim harness, in left front door) Simple bus Sp200 Sp401 Sw input Tan/ Trk/ rel relay W/ universal garage door opener
WARNING SYSTEMS Warning Systems Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Warning Systems Wiring Diagram for Buick LeSabre Limited 2003: 43 (in i/p harness, 30.5 cm from i/p integration module breakout) s251 A11 A12 A14 A15 A16 Class 2 serial data Computer data lines system Dash integration module (dim) (behind right side of dash, under sound insulator) Door open Driver door lock actuator Driver's door module (ddm) G200 (on left front door pillar) Ground Headlamp switch Heater & a/c control Ignition key alarm switch (closed w/key in ignition) Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console, mounted to floor pan) Instrument panel cluster (ipc) Instrument panel integration module (ipm) (behind left side of dash) Key in ignition sw Key in signal Left front seat belt switch (closed w/seat belt unbuckled) Left seat belt sw Left turn Lf door open switch signal Low reference Nca Off Park Park brake sw sig Park lamp switch Park lamp switch on signal Powertrain control module (pcm) (in air cleaner housing) Radio Right turn S208 S226 S252 (in i/p harness, 37 cm from i/p integration module breakout) Tan Turn signal/ hazard flasher module (behind left side of instrument panel, above data link connector) W/automatic air conditioning W/manual air conditioning
WIPER/WASHER Wiper/Washer Wiring Diagram for Buick LeSabre Limited 2003 List of elements for Wiper/Washer Wiring Diagram for Buick LeSabre Limited 2003: 41 150k 24,000 ohms 270k 39k 680k 82k Accy fuse 15a C329 Dash integration module (dim) (behind right side of dash, under sound insulator) G103 (mounted to inner body panel, forward of underhood fuse block) G106 (near left strut tower, on frame rail) G402 (on lower left corner of trunk forward of tail lamp) Ground Headlamps on w/wipers input High High speed input Hot in run & accessory If equipped Ignition Low Low min Max Min Mist Nca Off Off max Outside moisture sensor (if equipped) (above inside rearview mirror) Rain sense ctrl Rain sense input Red S334 Underhood fuse block (right front side of engine compartment) Wash Washer switch Windshield washer pump motor (in bottom of windshield washer reservoir) Windshield wiper motor (behind left front strut tower) Windshield wiper/washer switch Wiper speed sig Wiper switch Wsw fuse 30a
