Разделы схем — 26 (всего 45)
ANTI-LOCK BRAKES COMPUTER DATA LINES CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS PASSIVE RESTRAINTS POWER ANTENNA POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams (1 of 2) for Buick Century Custom 1994 List of elements for Anti-lock Brake Wiring Diagrams (1 of 2) for Buick Century Custom 1994: 47 15a Abs ind ctrl Battery Brake ind ctrl Brake input Brake sw (on brake pedal support) Data line E10 E11 Electronic brake control module (ebcm) (behind right front of i/p, above powertrain control module) Electronic brake control relay (behind right front shock tower, on firewall) F10 F11 F12 Fan/act fuse 10a Fuse block Fuse link g (14 ga-rust) (front of engine compt, near battery) G108 (left front of engine compt, on radiator support) G206 (right shroud, near center access hole) Gages fuse 10a Ground Hot at all times Hot in run Hot in run, bulb test or start Ignition/run input Lamp driver module (left side of i/p, left Left front abs solenoid left side of shock tower, on abs master cylinder) Left front motor Left front sol ctrl Left front wheel speed sensor Left rear wheel speed sensor Low traction ind ctrl Multi-function alarm in-line fuse (behind right side of i/p, taped on harness near fuse block) Of steering column) Pnk Rear motor Red Relay contrl Right front abs solenoid right side of shock tower, on abs master cylinder) Right front motor Right front sol ctrl Right front wheel speed sensor Right rear wheel speed sensor Solid state Stop/haz fuse 20a Switched ignition Tan Anti-lock Brake Wiring Diagrams (2 of 2) for Buick Century Custom 1994 List of elements for Anti-lock Brake Wiring Diagrams (2 of 2) for Buick Century Custom 1994: 37 12c8 1c1 1c2 1c5 1c6 1c7 1c9 2c10 2c11 2c14 2c16 2c7 3d12 A11 Abs actuator motor assembly (left shock tower, part of brake reservoir) Anti-lock brake ind Brake ind Buick Data line Data link conn (dlc) (below left side of i/p, near steering column) Diagnostic energy reserve module (derm) (behind hvac control head) Instrument cluster L4 vin d Left front motor Left front wheel speed sensor Left rear wheel speed sensor Low traction ind Oldsmobile Pnk Powertrain control module (pcm) (behind right side of i/p) Rear motor Red Right front motor Right front wheel speed sensor Right rear wheel speed sensor Tan V6 vin m
COMPUTER DATA LINES Data Link Connector Wiring Diagram for Buick Century Custom 1994 List of elements for Data Link Connector Wiring Diagram for Buick Century Custom 1994: 20 (below left side of i/p, near steering column) (left front of engine, on transmission stud) (vin 4) (vin m) A11 C3 c1 D12 c2 Data link connector Diagnostic energy reserve module (behind hvac control head) Diagnostic request input E11 Electronic brake control module (upper right front of i/p, above pcm) G112 Oldsmobile only Power steering reservoir (right side, rear of engine) Powertrain control module (behind right side of i/p) Pulse width modulated output Serial data line Tan Variable effort steering control module (left side of i/p, on derm bracket) Ves solenoid actuator
CRUISE CONTROL Cruise Control Wiring Diagram for Buick Century Custom 1994 List of elements for Cruise Control Wiring Diagram for Buick Century Custom 1994: 53 (l4 vin 4) (v6 vin m) 1c3 1c4 1d10 1d11 1d8 2a5 2b8 3d10 4000 pulses/mile Automatic transaxle (lower left side of engine compt) Brake input Brake sw (on brake pedal support) Brake sw output Buick C13 Cruise control module (left front shock tower) Cruise ind Cruise on/off input Cruise status Cruise sw D13 D14 Fan/alt fuse 10a Fuse block G108 (left front of engine compt, on radiator support) Gages fuse 10a Ground Hot at all times Hot in run Hot in run, bulb test or start Ignition input Instrument cluster Instrument cluster (buick century only) Multi-function alarm module Multi-function lever Off Oldsmobile Pnk Powertrain control module (pcm) (behind right side of i/p) R/a Resume/accel input Set sw Set/coast input Stop/haz fuse 20a Torque converter clutch solenoid Variable effort steering (ves) control module (oldsmobile only) (left side of i/p, derm bracket) Vehicle speed enable Vehicle speed input Vehicle speed sensor (vss) (lower right rear of engine, on transaxle) Vss return Vss signal
DEFOGGERS Defogger Wiring Diagram for Buick Century Custom 1994 List of elements for Defogger Wiring Diagram for Buick Century Custom 1994: 19 (buick) (olds) F e Fuse block: i/p G206 (right shroud at center access hole) Gages fuse 10 a Hot at all times Hot in run, bulb test or start Hot with headlights on Inst lps fuse 5 a On indicator Panel light Pnk Pwr acc circuit breaker 30 a Rear defogger Rear defogger control Rear defogger switch Sedan Timer Wagon
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Buick Century Custom 1994 List of elements for Electronic Power Steering Wiring Diagram for Buick Century Custom 1994: 30 (vin 4) (vin m) 1.0 k 32 k 490 k 4k/mi 5v ignition input 5v ref 5v vehicle speed input 7 to 15 ohms B8 d10 C2 c3 Data link connector Evo enable Fan/alt fuse 10 amp Fuse block G203 (right kick panel) Ground Hot in run Power steering reservoir (right rear of engine) Powertrain control module (behind right side of i/p) Pulse width modulated output control Solid state Speed output Steering wheel rotating sensor (bottom of steering column) Steering wheel rotation sense V ref lo Variable effort steering control module (left side of i/p) Vehicle Vehicle speed sensor Ves solenoid actuator
ENGINE PERFORMANCE
2.2L 2.2L (VIN 4), Engine Performance Wiring Diagrams (1 of 2) for Buick Century Custom 1994 List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (1 of 2) for Buick Century Custom 1994: 72 5 volts ref A/c on in A/c sensor (right front of engine compt) A/c sensor in A10 A11 A12 B10 B11 B12 Battery Brake sw output/tcc C10 C11 C12 C13 C14 C15 C16 Conn c1 Conn c2 Coolant temp sensor (left side of engine) Crank sensor feed Crank sensor in Crank sensor rtn Crank shaft position sensor (lower right side of engine) Cruise control system Cruise ind light output D10 D11 D12 D13 D14 D15 D16 Ect sensor in Engine control module (ecm) (behind right side of i/p, near shroud) Fuel injector #1 Fuel injector #2 Fuel injector #3 Fuel injector #4 Fuel pump in-line fuse 15a Fuel pump relay ctrl Fuse block Fuse output-battery Fusible link (20 ga-rust) G112 (left front of engine on transaxle stud) Ground Heater and a/c control assembly Hot at all times Hot in run, bulb test or start Iat sensor in Idle air control valve (top left rear of engine, on right front of throttle body) Idle air valve control Ign ctrl a out Ign ctrl b out Inj/coil fuse 20a Injector ctrl Instrument cluster, cruise control, variable effort steering module and convenience center Intake air temp (iat) sensor (left front of engine compt, on right side of air cleaner) Map sensor (top left rear of engine, near throttle body) Map sensor in Oxygen sensor (rear of engine on exhaust manifold) Oxygen sensor in-hi Oxygen sensor in-lo Pnk Red Sensor ground Tan Throttle position (tp) sensor (top rear of engine, on left side of throttle body) Tps in Vss out 2.2L (VIN 4), Engine Performance Wiring Diagrams (2 of 2) for Buick Century Custom 1994 List of elements for 2.2L (VIN 4), Engine Performance Wiring Diagrams (2 of 2) for Buick Century Custom 1994: 76 (left front of engine on transaxle stud) 3rd gear sw 87a A/c control relay A/c relay ctrl Brake switch (behind dash, on brake pedal support) C10 C11 C12 C13 C14 C15 C16 Canister purge ctrl Canister purge solenoid valve (rear of engine, under intake manifold) Conn c3 Convenience center Coolant fan relay Coolant fan relay ctrl Coolant ind ctrl Coolant indicator D10 D11 D12 D13 D14 D15 D16 Data link connector Egr solenoid ctrl Egr valve (top of intake manifold) Electronic ignition (ei) system (rear of engine, above transaxle) Eng a/c fuse 10a Engine control module (ecm) (behind right side of i/p, near shroud) Fan/alt fuse 10a Fuel pump prime conn Fuel pump relay (right front of engine compt on relay bracket) Fuel pump sw/ oil pres sender/sw (right rear of engine, near elect ignition (ei) system) Fuel tank unit Fuse block G110 (transaxle stud, under intake manifold) G112 G112 (left front of engine, on transaxle stud) G402 (left rear of cargo comp, behind wheelhouse) Gages fuse 10a Hot in run Hot in run, bulb test or start Ignition Ignition coil Ignition switch Inj/coil fuse 20a Inline fuse Instrument cluster Knock sensor (rear of engine, right of electronic ignition system) Knock sensor in Malfunction ind ctrl Malfunction indicator Nca Park/neutral in Park/neutral position switch (rear of engine, top left side of transaxle) Pcm fuse 15a Pnk Pnk c Pri Red Sec Serial data in/out Spark plugs Sw a Sw b Tan Tcc ctrl Tcc solenoid Vehicle speed sensor (rear of engine) Vss in
3.1L 3.1L (VIN M), Engine Performance Wiring Diagrams (1 of 3) for Buick Century Custom 1994 List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (1 of 3) for Buick Century Custom 1994: 75 (right front of engine compt on relay bracket) (top left side of engine) (transaxle stud, rear of starter solenoid) 10a 15a A/c control assy A/c request on/off C10 C11 C12 C13 C14 C15 C16 Conn 1 Cruise ctrl sys Cruise engaged D10 D11 D12 D13 D14 D15 D16 Electronic ignition system (right top of engine) Eng-a/c in-line (behind right side of i/p, taped to harness near fuse block) Est (3x) hi ref signal Est bypass signal Est control signal Est ref signal lo Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel inj 6 Fuel pump Fuel pump in-line fuse Fuel pump priming conn (left side of engine compt) Fuel pump relay Fuel pump relay (right front of engine compt on relay bracket) Fuel pump/ oil pressure sender/sw (center front of engine near oil filter) Fuel tank unit (top of fuel tank) Fuse block G119 G119 (transaxle stud, rear of starter solenoid) G131 (transaxle stud, under intake manifold) G402 (left side wheel housing) Heated oxygen sensor (rear of engine, in exhaust manifold) Ho2s hi Ho2s lo Hot at all times Hot in run, bulb test or start Ignition amplifier and switching module Inj Inj/coil fuse 20a Injector ground Maf sensor signal Mass air flow sensor Nca Pcm fuse 15a Pnk Pnk a Pnk d Powertrain control module (behind right side of i/p, near shroud) Prndla Prndlb Prndlc Prndlp Red 87a Serial data Serial data jumper Spark plugs Tan Tan a 3.1L (VIN M), Engine Performance Wiring Diagrams (2 of 3) for Buick Century Custom 1994 List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (2 of 3) for Buick Century Custom 1994: 42 (brake pedal support bracket) (derm) (ebcm) 24x crank position sensor (front left of engine, on timing chain cover 5 volt ref A/c pressure sensor (left front of engine compt on a/c line) A/c pressure sensor signal A10 A11 A12 B10 B11 B12 Battery Brake switch Camshaft position sensor (front top of engine) Camshaft position signal hi Computer data lines system Conn 2 Cruise control module Data link connector Engine coolant temp sensor (left rear of engine) Engine coolant temp sig Fan/alt fuse 10a Fuse block G119 (transaxle stud, rear of starter solenoid) Hot in run Iat sensor sig Ign 1 Intake air temp sensor (left front of engine compt on air cleaner) Knock sensor (right rear of engine) Knock sensor sig Pcm ground Pnk Power ground Powertrain control module (behind right side of i/p, near shroud) Sensor return Tan Throttle position sensor (rear of engine, right side of throttle body) Tp signal Trans oil temp sig Transaxle position switch (left side of transaxle) 3.1L (VIN M), Engine Performance Wiring Diagrams (3 of 3) for Buick Century Custom 1994 List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (3 of 3) for Buick Century Custom 1994: 61 (top left rear of engine block) A/c comp coil out A/c compressor relay Automatic transaxle C10 C11 C12 C13 C14 C15 C16 Conn 3 Convenience center, i/p, variable effort steering module, cruise module Coolant fan relay #1 Coolant fan relay #2 Coolant fan relays Crank pos sig D10 D11 D12 D13 D14 D15 D16 Digital exhaust gas recirculation assembly Egr out - coil a Egr out - coil b Egr out - coil c Evap purge solenoid Evaporative emission canister purge solenoid (rear of engine, under intake manifold) Fan/alt fuse 10a Fuse block Gages fuse 10a Hot in run Hot in run, bulb test or start Idle air ctrl motor (top of engine on front of throttle body) Idle air feed - hi Idle air feed - lo Instrument cluster Mil indicator Pnk Powertrain control module (behind right side of i/p, near shroud) Red Serial data jumper Service engine soon indicator Shift sol - a out Shift sol - b out Shift sol a Shift sol b Sol a Sol b Sol c Tan Tcc pwm sol Tcc pwm solenoid Trans temp switch Transaxle converter clutch Vehicle speed sensor (lower right rear of engine on transaxle) Vss - hi Vss - lo Vss out 4k/ppm
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Buick Century Custom 1994 List of elements for Back-up Lamps Wiring Diagram for Buick Century Custom 1994: 17 (vin 4) (vin m) A a Backup light Flasher Fuse block G402 (left rear wheel well) G406 (in liftgate license compt) Hot in run, bulb test or start Left backup light Park/neutral position switch (rear of engine, top left side of transaxle) Pnk Right backup light Sedan Turn Turn b/u fuse 15a Wagon Exterior Light Wiring Diagram, Sedan for Buick Century Custom 1994 List of elements for Exterior Light Wiring Diagram, Sedan for Buick Century Custom 1994: 52 (left rear of trunk) A10 A11 Backup lights circuit Brake switch (on brake pedal support bracket) C206 Convenience center (behind left side of i/p) Daytime running lights module (behind center of i/p) Fuse block G108 (left radiator support) G109 (right radiator support) G201 (right side of i/p) G402 (left rear wheel well) G404 Hazard Hazard flasher Head High level stop light Hot at all times Hot in run, bulb test or start Instrument cluster Left front marker light Left front park/turn light Left rear marker light Left rear tail/ stop/ turn lights Left tail lights Left turn ind. Left turn switch License light Light switch Nca Normal Off Park Park lamps ctrl Pnk Radio Right front marker light Right rear marker light Right rear tail/ stop/ turn lights Right tail lights Right turn ind. Right turn switch Stop haz fuse 20a Tail fuse 20a Turn b/u fuse 15a Turn flasher (above accelerator pedal, on bracket) Turn- hazard switch assembly W/drl only W/o luggage carrier Warning systems With luggage carrier Exterior Light Wiring Diagram, Wagon for Buick Century Custom 1994 List of elements for Exterior Light Wiring Diagram, Wagon for Buick Century Custom 1994: 52 A10 A11 Backup lights circuit C206 Convenience center (right i/p, right of i/p compt) Daytime running lights module (behind center of i/p) Fuse block (behind right i/p) G108 (left radiator support) G109 (right radiator support) G201 (right side of i/p) G402 (left rear wheel well) G406 (in liftgate liscense compartment) Hazard Hazard flasher Head High level stop light High level stop light in-line resistor (in liftgate, near pass thru) Hot at all times Hot in run, bulb test or start Instrument cluster Left front marker light Left front park/ turn light Left rear marker light Left rear tail/ stop/ turn lights Left turn ind. Left turn switch License Light Light switch Nca Normal Off Ohm Park Park lamps ctrl Pnk Radio Right front marker light Right front park/ turn light Right rear marker light Right rear tail/ stop/ turn lights Right turn ind. Right turn switch Stop haz fuse 20a Stop lamp brake switch (on brake pedal support) Tail fuse 20a Turn b/u fuse 15a Turn flasher (above accelerator pedal, on bracket) Turn- hazard switch assembly Underhood light W/drl only Warning systems
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Buick Century Custom 1994 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Buick Century Custom 1994: 59 (buick) (olds) A/c clutch diode A/c compressor clutch Battery Bh conn pin f8 Blower motor Blower relay Buick C13 Camshaft position sensor Crankshaft position sensor Cruise control module D13 Data link connector Door lock rly assy Drivers door latch sw Electronic brake control module Electronic ignition system Fuel pump relay G108 (left front of engine compartment on radiator support) G109 (lower right front of engine compartment on radiator support) G110 (left front of engine above automatic transaxle) G110 (transaxle stud, under intake manifold) G112 (left front of engine on transaxle stud) G115 (left side of engine on transaxle stud) G203 (at right shroud near center access hole) Heated oxygen sensor Instrument cluster Left front abs solenoid Left front marker lt Left front park/turn lt Left high beam headlt Left low beam headlt Left safety belt lap retractor release sol Left safety belt shoulder retractor release sol Lh horn Mass airflow sensor Master sw assy Master switch assembly light Olds Park/ neutral position sw Passenger door latch sw Powertrain control module Primary coolant fan Pusher coolant fan Right front abs solenoid Right front marker lt Right front park/turn lt Right front window switch light Right high beam headlt Right horn Right low beam headlt Right safety belt lap retractor release sol Right safety belt shoulder retractor release sol Tan Vin 4 Vin m Wiper motor module Ground Distribution Wiring Diagram (2 of 3) for Buick Century Custom 1994 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Buick Century Custom 1994: 34 A14 Antenna relay Ashtray light Brake fluid level sw Brake transmission shift interlock sol Buick C10 C12 C15 C18 Cigar lighter Daytime running lights module Diagnostic energy reserve module Door unlock module Fiber optic lt source Fuel tank unit G206 (behind center of i/p below right side of ashtray) G206 (behind i/p on right side of steering column support) Heater-a/c control assy lt Heater-a/c ctrl assy I/p compartment light I/p compt lt Ignition key warning sw Instrument cluster Lamp driver module Light sw Multi- function alarm module Oldsmobile Radio Reading light Rear defogger control Sedan Variable effort steering module Wagon Ground Distribution Wiring Diagram (3 of 3) for Buick Century Custom 1994 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Buick Century Custom 1994: 48 A12 Back-up lts Buick sedan Buick wagon Capacitor a Diagnostic energy reserve module Forward discriminating sensor Fuel tank unit G109 (right radiator support) G202 (left side of i/p, near radio speaker) G202 (near park brake bracket) G203 (right kick panel) G300 (under left front seat) G402 (left rear of cargo compartment, behind wheelhouse) G402 (left rear of luggage compartment, behind wheelhouse) G402 (near left rear wheelhouse) G407 (rear of car near center of tailgate) G407 (top center of tailgate) G412 (left top of tailgate) High level stop lt High level stop lt in-line resistor Left back-up lt Left door mirror sw Left rear marker lt Left rear tail/ stop/turn lt Left recliner sw Left tail lt License lt Olds sedan Passenger compartment discriminating sensor Power seat sw Program conn Rear dome lt Rear washer pump Rear wiper module Rear wiper/ washer control sw Remote keyless entry module Right back-up lt Right rear marker lt Right rear tail/ stop/turn lt Right recliner sw Right tail lt Safety belt sw Sedan W/ auo W/ luggage carrier W/o luggage carrier Wagon
HEADLIGHTS Headlight Wiring Diagram, with DRL for Buick Century Custom 1994 List of elements for Headlight Wiring Diagram, with DRL for Buick Century Custom 1994: 71 (behind center of i/p (behind i/p on (behind left side of (drl) module (left front of engine compt, (mounted on center (top left center of 10a 20a A/c module) All times Assembly B/h conn Beam Block Brake Buick Buick olds Bulb test C1 c4 C5 c14 C6 c8 C8 c2 Column support) Composite Conn c1 Conn c2 Daytime running lts Dimmer Diode assembly Fan/alt Fuse G108 G206 Gages Ground Head Headlt Hi beam Hi beam ind Hi beam on input Hot Hot at Hot at all times Hot in run, I/p, above radio) I/p, on park brake assembly) Ignition input In run Ind Instrument cluster Left Light Near turn flasher Of i/p, above Off Olds On radiator support) Or start Park Park brake input Park brake sw Photoresistor Photoresistor input Pin e1 Pin e2 Pnk Right Right side of steering Tail Tan Headlight Wiring Diagram, without DRL for Buick Century Custom 1994 List of elements for Headlight Wiring Diagram, without DRL for Buick Century Custom 1994: 31 (behind i/p (left front of engine Assembly B/h conn Beam Buick C1 c4 C8 c2 Cluster Column support) Composite Compt, on radiator support) Dimmer G108 G206 Head Headlt Hi beam Hot at all times Ind Instrument Left Of steering Off Olds On right side Park Pin e1 Pin e2 Right Tan
HORN Horn Wiring Diagram for Buick Century Custom 1994 List of elements for Horn Wiring Diagram for Buick Century Custom 1994: 11 Convenience center (behind right side of i/p) Ctsy fuse 20a Fuse block (behind right side of i/p) G108 (left front of engine compt on radiator support) G109 (right front of engine compt on radiator support) Horn relay Horn switch Hot at all times Left horn (front lower left side of engine compt) Right horn (front lower right side of engine compt) Slip ring
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Buick Century Custom 1994 List of elements for Instrument Cluster Wiring Diagram for Buick Century Custom 1994: 80 (at right shroud) * ** Abs ind. ctrl Acc Air bag indicator Antilock brake indicator B3 nca B8, ** Brake fluid level switch (left side of brake master cylinder) (closed with low fluid level) Brake ind. ctrl Brake indicator Bulb test Bulbs Charge indicator Cluster illumin- ation Convenience center Coolant temperature sensor ( right rear ** of engine) ( top left side * of engine) Coolant temperature sensor (right rear of engine) Cruise control module (front of left shock tower) Cruise ind. ctrl Cruise indicator Cruise status D10 D13 D8 d10 Data link connector Diagnostic energy reserve module (behind hvac control head) Drl module (behind center of i/p, near turn flasher) Ect ind. ctrl Electronic brake control module (upper right front of i/p, above pcm) Engine coolant temperature gauge Engine coolant temperature indicator Exterior lights system Fasten belts indicator Fuel gauge Fuel gauge sender (top of fuel tank) (full-90 ) (empty-0 ) Fuse block: i/p G203 (at right shroud) Gauges fuse 10a Generator Headlights system Hi beam indicator Hot in run, bulb test or start Ignition switch Instrument cluster Interior lights system (rheostat) L4 vin 4 * ** v6 vin m Lamp driver module (left side of i/p, left of steering column) Left turn indicator Lock Low traction ind. ctrl Low traction indicator Malfunction indicator Mil ind. ctrl Multi- function alarm module Nca Off Oil pressure indicator Oil pressure switch ( front center of ** engine, near oil filter) ( rear of engine, right * of electronic ign sys) (opens above 27 kpa) Park brake in Park brake out Park brake switch Pnk Powertrain control module (behind right side of i/p) Right turn indicator Run Sir ind. ctrl Solid state Speedometer Start Tailgate ajar indicator Tailgate ajar switch Tan Vehicle speed sensor (lower right rear of engine, on transaxle) Voltmeter Vss in Vss out W/drl W/o drl Wagon only
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Buick Century Custom 1994 List of elements for Courtesy Lamps Wiring Diagram for Buick Century Custom 1994: 36 Courtesy switch Ctsy fuse 20a Diode assembly (center of dash) Dome light Driver's door latch switch Fiber optic light source Fuse block G201 (right side of i/p) G203 (lower right kick panel) G412 (top center of tailgate header) G908 (center front of roof) Gages fuse 10a Hot at all times Hot in run, bulb test or start I/p compartment light Inside lighted mirror assembly Left courtesy light Left front door courtesy light (buick) Left rear door jamb switch Left vanity mirror light Light switch Luggage compartment light Multi- function alarm module (convenience center) Nca Off Passenger's door latch switch Pnk Reading light (buick) Rear dome light (wagon) Remote keyless entry module (left center of luggage compartment) Right courtesy light Right front door courtesy light (buick) Right rear door jamb switch Right vanity mirror light Tailgate light switch Underhood light Instrument Illumination Wiring Diagram for Buick Century Custom 1994 List of elements for Instrument Illumination Wiring Diagram for Buick Century Custom 1994: 27 (buick) (olds (olds) Ashtray light Buick Dimmer switch Dimmer transistor (behind left side of i/p, near light switch) Exterior lights system Fuse block G201 (right side of i/p) G203 (lower right kick panel) Head Headlight switch Heater- a/c control assembly Hot at all times Inst lps fuse 5a Instrument cluster Light switch Master switch assembly light (buick) Off Olds Only) Park Radio Rear defogger control Right front window switch light (buick) Tail fuse 20a
PASSIVE RESTRAINTS Passive Restraint Wiring Diagram for Buick Century Custom 1994 List of elements for Passive Restraint Wiring Diagram for Buick Century Custom 1994: 48 (behind center of i/p, below right side of ashtray) (buick) (olds) (near left rear wheelhouse) (olds) (buick) (right shroud, near center access hole) (v6 vin m) (l4 vin 4) 15a A nca Anti-lock brake system B nca Battery C1 c2 C2 c1 C3 c2 C5 c10 C9 c2 Convenience center (behind left side of i/p, at shroud) D10 b8 Driver's door latch switch Fasten belts indicator Fasten belts indicator control Fuse block G203 G206 G402 Gages fuse 10a Ground Hot at all times Hot in run, bulb test or start Ignition Instrument cluster Left front door open input Left safety belt lap retractor release solenoid (left door) Left safety belt shoulder retractor release solenoid (left door) Multi- function alarm module Multi-function alarm in-line fuse (behind right side of i/p, taped to harness near fuse block) Nca Passenger's door latch switch Pnk Powertrain control module (behind right side of i/p) Right front door open input Right safety belt lap retractor release solenoid (right door) Right safety belt shoulder retractor release solenoid (right door) Safety belt input Safety belt solenoid control Safety belt switch (part of driver's seat belt assembly) Vehicle speed input Vehicle speed output
POWER ANTENNA Power Antenna Wiring Diagram for Buick Century Custom 1994 List of elements for Power Antenna Wiring Diagram for Buick Century Custom 1994: 17 (not used) Antenna Antenna coax lead Antenna motor (right front fender,on rail assembly) Antenna relay (behind right side of i/p, above i/p compartment) Bat Ctsy fuse 20 amp Down Down switch Fuse block:i/p G206 (at right shroud, near center access hole) Hot at all times Hot in accy or run Radio Radio fuse 10 amp Solid state Up switch
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 3) for Buick Century Custom 1994 List of elements for Power Distribution Wiring Diagram (1 of 3) for Buick Century Custom 1994: 79 (olds) (buick) (vin 4) (vin m) (vin m) (vin 4) A d Antenna relay Ashtray light Battery Blower relay Buick Buick sedan C10 C11 C13 Circuit breaker Courtesy lights Ctsy fuse 20a D a Daytime running lights (drl) module Daytime running lights module Door lock courtesy light Electronic brake control module Electronic brake control relay F10 Front dome light Front lights Fuel pump in-line fuse 15a Fuel pump relay Fuel pump/ oil pressure sender/sw Fuse block Fusible link a (16 ga-rust) Fusible link d (20 ga-rust) Fusible link f (16 ga-rust) Fusible link g (14 ga-rust) Generator Head Headlight dimmer switch Heater-a/c control assembly Horn relay I/p compartment light Inside lighted mirror assembly Inst lps 5a Instrument cluster Left door lock switch Left door mirror switch Left vanity mirror light Light switch Luggage compartment light Master switch assembly light Multi- function alarm in-line fuse 15a Multi- function alarm module Nca Off Olds Olds sedan Park Powertrain control module Primary coolant fan relay Pusher coolant fan relay Radio Rear defogger control Rear dome light Red Remote dimmer module Remote keyless entry module Right door courtesy light Right door lock switch Right front window switch Right vanity mirror light Starter solenoid assembly Tail fuse 20a Tail- lights To ignition switch To pwr/acc circuit breaker (fuse block) To stop-haz fuse (fuse block) Underhood light Vin m only W/drl Wagon Power Distribution Wiring Diagram (2 of 3) for Buick Century Custom 1994 List of elements for Power Distribution Wiring Diagram (2 of 3) for Buick Century Custom 1994: 59 (buick) (olds) Acc Brake switch Buick Bulb test Capacitor (a) Cig ltr fuse 20a Cigar lighter Coupe/ sedan Daytime running lights module (w/drl) Door lock relay Door unlock module Electronic brake control module Electronic brake control relay F e F11 Fan/ alt fuse 10a From fusible link b From fusible link c Fuse block G206 (below right side of ashtray) Generator Hazard flasher Heater- a/c control assembly Htr/ a/c fuse 20a Ignition switch Left rear window switch Left recliner switch Lock Nca Off Olds Pnk Power seat switch Power window control module Power window switch assembly Pwr/acc circuit breaker 30a Radio Radio fuse 10a Rear defogger control Rear wiper module Rear wiper/ washer switch Red Release relay Remote keyless entry module Right front window switch Right rear window switch Right recliner switch Run Start Starting/ charging system Stop/ haz fuse 20a Tcc solenoid valve (v6 vin m) To turn/ b/u fuse (fuse block) Variable effort steering control module Wagon Wdo circuit breaker 30a Wiper fuse 25a Wiper/ washer switch Power Distribution Wiring Diagram (3 of 3) for Buick Century Custom 1994 List of elements for Power Distribution Wiring Diagram (3 of 3) for Buick Century Custom 1994: 54 (buick) (olds) (buick) (olds) a b (vin 4) (vin m) A/c compressor control relay Airbag fuse 10a Arming sensor Auto door unlock module B10 Buick C d C1 c9 C16 c8 C6 c2 Camshaft position sensor Crankshaft position sensor Cruise control module D b D16 Daytime running lights module Diagnostic energy reserve module Electronic ignition module Eng/ a/c fuse 10a Evaporative emission canister purge solenoid Exhaust gas recirculation solenoid Fiber optic light source From ignition switch Fuel injectors Fuse block Gages fuse 10a Heated oxygen sensor Inj/ coil fuse 20a Instrument cluster Lamp driver module Mass airflow sensor Multi- function alarm module Multi- function lever Park/ neutral position switch Pcm fuse 15a Pnk Powertrain control module Primary coolant fan relay Pusher coolant fan relay Reading light Rear defogger module Remote keyless entry module Turn flasher Turn/ b/u fuse 15a Unlock fuse 5a V6 vin m Vin 4 Vin m W/drl
POWER DOOR LOCKS Power Door Lock Wiring Diagram, with Automatic Locks for Buick Century Custom 1994 List of elements for Power Door Lock Wiring Diagram, with Automatic Locks for Buick Century Custom 1994: 41 (l4 vin 4) (on right shroud) (v6 vin m) (l4 vin 4) (v6 vin m) (transaxle stud, rear of starter solenoid) Auto door unlock module (right side of i/p heater duct) Bat C3 c2 Ctsy fuse 20a D10 b8 Door lock Fuse block G112 (transaxle stud, under intake manifold) G203 (at right shroud near center access hole) G203 (lower right kick panel) Gnd Hot at all times Hot in run, bulb test or start Ign Left door lock switch Left front door lock motor Left rear door lock motor Lock Lock relay Multi- function alarm module (in convenience center) Nca Park/ neutral input Park/ neutral position switch (top left side of transaxle) Pnk Powertrain control module (behind right side of i/p) Pwr acc circuit breaker 30a Relay assembly Relay control Right front door lock motor Right rear door lock motor Right door lock switch Tan Unlock Unlock control Unlock fuse 20a Unlock relay Vehicle speed input Power Door Lock Wiring Diagram, with Remote/Keyless Entry for Buick Century Custom 1994 List of elements for Power Door Lock Wiring Diagram, with Remote/Keyless Entry for Buick Century Custom 1994: 47 (behind right side of i/p, above fuse block) (sedan) 10a 20a 253 30a Antenna Automatic door lock relay control Battery Convenience center (left side of i/p, above fuse block) Ctsy fuse Door lock output Door lock relay assembly (on right shroud) Fuse block G203 (at right shroud near center access hole) G402 (near left rear wheelhouse) Gages fuse Ground Hot at all times Hot in run, bulb test or start Ignition Illuminated entry Interior lights system Left front door lock motor Left front door lock switch Left rear door lock motor Lock Lock relay Multi- function alarm module Pnk Program connector (left rear luggage compartment) Program input Pwr acc circuit breaker Rear compartment lid release solenoid Rear compartment release relay Release solenoid Remote keyless entry module (left rear luggage compartment near wheelhouse) Right front door lock motor Right front door lock switch Right rear door lock motor Tan Transmitter in Trunk lid enable Unlk driver's door Unlock Unlock output/input Unlock relay
POWER MIRRORS Power Mirror Wiring Diagram for Buick Century Custom 1994 List of elements for Power Mirror Wiring Diagram for Buick Century Custom 1994: 16 Ctsy fuse 20a Down Fuse block G203 (right kick panel) Hot at all times Left Left door mirror switch Left outside mirror Left/ right mirror motor Mirror position switch Mirror select switch Nca Right Right outside mirror Up/down mirror motor
POWER SEATS Left Seat Wiring Diagram for Buick Century Custom 1994 List of elements for Left Seat Wiring Diagram for Buick Century Custom 1994: 19 30a Back Capacitor a Down Entire seat For- ward Forward/ back motor Front height Front height motor Fuse block G300 (under left front seat) Hot at all times Left front seat Power seat switch (left side of front seat) Pwr acc circuit breaker Rear height Rear height motor Tan Tan a Recliner Wiring Diagram for Buick Century Custom 1994 List of elements for Recliner Wiring Diagram for Buick Century Custom 1994: 16 Capacitor Capacitor a Fuse block Fwd G300 (under left front seat) Hot at all times Left front seat Left recliner switch Left seat recliner motor Nca Pwr acc circuit breaker 30a Recline Red Right front seat Right recliner switch Right seat recliner motor
POWER WINDOWS Power Window Wiring Diagram for Buick Century Custom 1994 List of elements for Power Window Wiring Diagram for Buick Century Custom 1994: 17 C 1994 vftc Fuse block G203 (at right shroud near center access hole) Hot in run Inst lps fuse 5a Left front window motor Left rear window motor Left rear window switch Master switch assembly Master switch assembly light Rheostat controlled Right front window motor Right front window switch Right front window switch light Right rear window motor Right rear window switch Wdo circuit breaker 30a
RADIO Radio Wiring Diagrams for Buick Century Custom 1994 List of elements for Radio Wiring Diagrams for Buick Century Custom 1994: 29 Antenna Antenna input Battery power Coaxial cable Ctsy fuse 20a Dim signal Fuse block (behind right side of dash) G205 (behind dash, right of steering column) Ground Hot at all times Hot in accy or run Ignition power Interior lights system Left front door speaker Left front speaker Left rear speaker Lt frt spkr Lt rear spkr On output Panel light Power antenna system Radio Radio fuse 10a Right front door speaker Right front speaker Right rear speaker Rt frt spkr Rt rear spkr Tan
STARTING/CHARGING Charging Wiring Diagram for Buick Century Custom 1994 List of elements for Charging Wiring Diagram for Buick Century Custom 1994: 34 (12 ga- rust) (buick) (left front of engine compt, on radiator support) (not used) (olds) (solid state) *v6 vin m **l4 vin 4 Ac sense Batt Battery C13 C2 c1 Charge ind. Dc sense Fan/alt fuse 10a Field (rotor) Fuse block Fusible link (20 ga- rust) G108 Gages fuse 10a Generator (top right side of engine) Hot in run Hot in run, bulb test or start Instrument cluster Pnk Power distri- bution Power distribution Rectifier bridge Red Regulator Starter solenoid assembly (lower left front of engine) Stator Turn on input V6 vin m only Starting Wiring Diagram for Buick Century Custom 1994 List of elements for Starting Wiring Diagram for Buick Century Custom 1994: 26 * ** *v6 vin m **l4 vin 4 (left front of engine compt, on radiator support) ***w/4 speed Accy Battery Bulb test D *** G f G108 Hold-in coil Ignition switch Lock Nca Nca b6 Off Park/ neutral position switch (rear of engine, top left side of transaxle) Power distribution Pull-in coil Red Run Solenoid contacts Start Starter motor Starter solenoid assembly (lower left front of engine) Trans only
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Buick Century Custom 1994 List of elements for Supplemental Restraint Wiring Diagram for Buick Century Custom 1994: 55 (behind center of i/p, below right side of ashtray) (buick) (buick) (olds) 2.49 k 5.1 k 8.45 k A10 A11 A12 Air bag fuse 10a Air bag ind Anti-lock brakes Arming sensor (left of pcm) B10 B11 B12 C1 c1 C14 c15 Convenience center (behind left side of i/p, near shroud) Crank input Data link conn (dlc) (below left side of i/p, near steering column) Diag request input Diagnostic energy reserve module (derm) (behind hvac control head) Driver 36v loop rsrv Driver seat belt Driver side "high" Driver side "low" Driver source sense Forward discriminating sensor (forward of condensor, below hood latch) G202 (near park brake bracket) G206 (behind i/p, on right side of steering column support) (olds) G402 (near left rear wheelhouse) Ground Guages fuse 10a Hot in run, bulb test or start Hot in start I/p fuse block Ign 1 In-line fuse (right front corner of i/p, near fuse block) Inflator module (inside steering wheel hub) Instrument cluster Multi- function alarm module Nca Passenger compartment discriminating sensor (below center heater duct, under carpet) Pnk Redundant ground Redundant ind ign 1 Safety belt input Seat belt sw Serial data line Shorting bar Sir coil assembly (inside steering wheel hub) Sir crank fuse 15a Sir indicator Tan
TRANSMISSION Transmission Wiring Diagram, 4T60-E for Buick Century Custom 1994 List of elements for Transmission Wiring Diagram, 4T60-E for Buick Century Custom 1994: 66 (maf) sensor (left front (left front of engine (left side of engine compartment, on transaxle) (lower right rear of engine, on transaxle) (partial) (top of engine, on throttle assembly) 15a 5vdc ref Above throttle body) Automatic transaxle B10 B11 Battery Brake pedal input C15 Ci3 Cleaner canister) Compartment on air Coolant temp sens in Cruise control system Cruise ind out D10 D13 D14 D15 D16 Engine coolant temperature (ect) sensor Fan/ alt fuse 10a Fuel pump in-line fuse Fuse block G112 Gnd Hot at all times Hot in run Hot in run, bulb test or start Ign 1 Inst clstr M data link connector (dlc) a Maf sens sig Mass air flow Of engine) Pcm fuse 15a Pnk Powertrain control module (pcm) (behind right side of i/p) Pwm sol Sensor return Serial data signal Shift sol a Shift sol a cntl Shift sol b Shift sol b cntl Signal init Tcc /vcc sol Tcc sol out Tcc sol out-pwm Tcc/brake sw (behind i/p, on brake pedal support) Throttle position (tp) sensor (top of engine, on throttle assembly) Tps in Trans posit sw Trans temp sens Trans temp sens in Transaxle mode sw Vehicle speed sensor (vss) Vss in-sig Vss out 4000/ppm Vss-rtn
TRUNK, TAILGATE, FUEL DOOR Tailgate Release Wiring Diagram, Wagon for Buick Century Custom 1994 List of elements for Tailgate Release Wiring Diagram, Wagon for Buick Century Custom 1994: 12 Fuse block G129 (top center of transaxle) Hot at all times Hot in run, bulb test or start Park/ neutral position switch (rear of engine) Pnk Pwr/acc breaker 30a Remote keyless entry module (left center of luggage compt) Tailgate release relay (behind right side of i/p) Tailgate release solenoid (lower left center of tailgate) Tailgate release switch Turn-b/u fuse 15a Trunk Release Wiring Diagram, Sedan for Buick Century Custom 1994 List of elements for Trunk Release Wiring Diagram, Sedan for Buick Century Custom 1994: 8 Fuse block Hot in run, bulb test or start Park/ neutral position switch (rear of engine) Pnk Remote keyless entry module (left center of luggage compt) Trunk lid release switch Trunk release solenoid (on luggage compt lid) Turn-b/u fuse 15a
WARNING SYSTEMS Warning System Wiring Diagrams for Buick Century Custom 1994 List of elements for Warning System Wiring Diagrams for Buick Century Custom 1994: 53 (buick) (olds) (olds) (buick) (v6 vin m) (l4 vin 4) 15a A nca A13 nca Anti-lock brake system B nca Bat C1 c2 C2 c1 C3 c2 C5 c10 C9 c2 Convenience center (behind left side of i/p, at shroud) D10 b8 Driver's door latch switch Exterior lights system Fasten belts indicator Fasten belts indicator control Fuse block G203 (right shroud, near center access hole) G206 (behind center of i/p, below right side of ashtray) G402 (near left rear wheelhouse) Gages fuse 10a Ground Head Hot at all times Hot in run, bulb test or start Ignition Ignition key warning switch (top of steering column, below turn/hazard switch) Instrument cluster Key-in ignition warning Left front door open input Light switch Lights-on input Multi- function alarm module Multi-function alarm in-line fuse (behind right side of i/p, taped to harness near fuse block) Nca Off Park Park/neutral position switch Passenger's door latch switch Pnk Powertrain control module (behind right side of i/p) Right front door open input Safety belt input Safety belt switch (part of driver's seat belt assembly) Turn bu fuse 15a Turn flasher Turn signal input Vehicle speed input Vehicle speed output
WIPER/WASHER 2-Speed Wiper/Washer Wiring Diagram for Buick Century Custom 1994 List of elements for 2-Speed Wiper/Washer Wiring Diagram for Buick Century Custom 1994: 19 (left side of eng Cover assembly Fuse block G110 (l4 vin m) (trans stud, under in manif) G115 (l4 vin 4) Hot in accy or run Mechanical arm Mist Nca Off On trans stud) Park switch Pnk Red Washer switch Wiper motor module Wiper switch Wiper switch assembly Wpr fuse 25 amp Interval Wiper/Washer Wiring Diagram for Buick Century Custom 1994 List of elements for Interval Wiper/Washer Wiring Diagram for Buick Century Custom 1994: 24 (in washer reservoir) (v6 vin 4) (v6 vin m) Cover assembly Fuse block G110 (trans stud under in manif) G115 (left side of eng on trans stud) Hot in accy or run Mechanical arm Mist Nca Off Park switch Pnk Pulse Pulse delay Red Solid state timer Washer motor Washer switch Wiper motor module Wiper switch Wiper/ washer switch Wpr fuse 25a Rear Washer/Wiper Wiring Diagram for Buick Century Custom 1994 List of elements for Rear Washer/Wiper Wiring Diagram for Buick Century Custom 1994: 21 Auto- park module Fuse block G109 (right radiator support) G202 (near park brake bracket) G412 (left top of tailgate) Hot at all times Hot in run Hot with light switch in park or head Inst lps fuse 5a Off Panel light Park Pwr acc circuit breaker 30a Rear wiper module Rear wiper motor Rear wiper/ washer control switch Run Solid state Wash Wdo circuit breaker 30a Wipe
