Diagram sections — 29 (37 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS 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 Compressor Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Compressor Wiring Diagram for Chevrolet Malibu LS 2003: 20 A/c bfc fuse 37 10a A/c comp micro- relay 16 A/c compressor clutch A/c compressor clutch diode A/c refrigerant pressure sensor (on front of engine compt) A/c req A/c request sig Body control module (bcm) (below right side of dash) Class 2 serial data Clutch rly ctrl G103 Hot in run or start Hvac control assembly Left i/p fuse block (left end of dash) Low ref Powertrain control module (pcm) (below left side of dash, near steering column) Sensor signal Splice pack sp103 (left side of engine) Underhood fuse block (left side of engine compt) Volt ref Manual A/C Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Manual A/C Wiring Diagram for Chevrolet Malibu LS 2003: 76 (left side of dash) 5 volt ref A/c bfc fuse 37 10a A/c comp diode A/c comp micro- relay A/c compressor clutch A/c refrigerant pressure sensor (on front of engine compt) A/c refrigerant pressure sensor signal A/c request A10 A11 Air temp door ctrl Air temperature actuator (top right side of dash) Anti-lock brakes system B11 B12 Bat pos volt Blower motor Blower motor resistor assembly (below right side of dash) Blower switch Body control module (bcm) (below right side of dash) C10 C12 Class 2 serial data Cool fan 1 fuse 8 30a Cool fan 1 mini- relay Cool fan 2 fuse 52 15a Cool fan 2 ground fuse 55 15a Cooling fan relay 2 mini- relay Cooling fan (left) Cooling fan (right) Cooling fan mode mini- relay Ctrl clutch relay a/c compressor D10 D11 Defog on ind Defogger system Exterior lights system F11 G103 G201 G202 G203 (right side of dash) Ground Hi blo mot fuse 53 30a High speed cooling fan relay ctrl Hot at all times Hot in run Hot in run or start Htr a/c ign fuse 46 10a Hvac blower fuse c 20a Hvac blower relay Hvac control assembly Ign 3 voltage Illum Interior lights system Ipc/ hvac batt fuse 10a Left i/p fuse block Left i/p fuse block (left end of dash) Low reference Low speed cooling fan relay ctrl Off On ind Powertrain control module (pcm) (below left side of dash, near steering column) Rear defog request Right i/p fuse block (right end of dash) Rr defog ctrl Serial data class 2 Signal a/c request Splice pack sp103 (left side of engine) Splice pack sp201 Splice pack sp202 (left side of dash) Splice pack sp203 Step dim Tan Underhood fuse block (left side of engine compt)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Anti-lock Brakes Wiring Diagram for Chevrolet Malibu LS 2003: 60 (below left side of dash, near steering column) powertrain control module (pcm) A10 A11 A12 A3 c3 A7 c3 Abs fuse 4 50a Abs ign fuse 40 10a Antilock brake warning indicator B10 B11 Battery Body control module (bcm) (below right side of dash, near blower motor) Brake pressure modulator valve Brake sw in C1 a1 C10 C11 C3 b2 Data link connector (dlc) (below left side of dash, near steering column) E3 c1 Electronic brake control module (ebcm) (inside left front fender) F12 G103 (on left side of eng) Ground Hot at all times Hot in on or start Ignition Instrument cluster Left front wheel speed sensor Left i/p fuse block Left i/p fuse block (on left end of dash) Left rear wheel speed sensor Lf wheel spd (hi) Lf wheel spd (lo) Lr wheel spd (hi) Lr wheel spd (lo) Nca Pnk Pump motor Radio Red Red brake warning indicator Rf wheel spd (hi) Rf wheel spd (lo) Right front wheel speed sensor Right i/p fuse block (on right end of dash) Right rear wheel speed sensor Rr wheel spd (hi) Rr wheel spd (lo) Serial data Serial data signal Sp103 Sp303 Spi serial data a Spi serial data b Stop lamp switch (on brake pedal support) Stop lps fuse 15a Tan Underhood fuse block (on left side of engine compt)
ANTI-THEFT Anti-theft Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Anti-theft Wiring Diagram for Chevrolet Malibu LS 2003: 32 A/c bfc fuse 10a A10 A12 Body control module (bcm) (below right side of dash, near blower motor) Data link connector (below left side of dash) Electronic brake control module G202 (left side of dash) Gnd Hot in acc, run or start Hot in run or start Ign Ign (0) voltage Ign (1) Ignition key Instrument panel cluster Ipc/bfc acc fuse 10a Left i/p fuse block (left side of dash) Passlock gnd Passlock ref v Passlock sensor (left side of dash) Passlock sig Pnk Powertrain control module (below left side of dash, near steering column) Remote control door lock receiver (rcdlr) (on rear package shelf) Sensing & diag- nostic module Serial data a Serial data b Serial data class 2 Splice pack sp202 Srl data class 2 Theft system indicator Underhood junction block (on left side of engine compt)
BODY CONTROL MODULES Body Control Modules Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Body Control Modules Wiring Diagram for Chevrolet Malibu LS 2003: 86 A/c bfc fuse 37 10a A/c switch request input A10 A11 A12 Air conditioning system Alc relay control All dr lock ctrl Ambient lght snsr sig 5v ref Ambient light sensor (on top of dash trim pad) Ambient light sensor signal Anti-theft system B10 B11 B12 Battery positive voltage Bfc batt fuse f 10a Body control module (below right side of dash, near blower motor) Brake fluid level switch (on brake master cylinder reservoir) Brake fluid sw in Computer data lines system Coolant level switch (on engine coolant surge tank) Cruise fuse b 10a Door lock unlock Door locks system Driver dr unlock ctrl Drl relay control Exterior lights system Fog light relay control Fog light switch input G101 (left side of engine compt) G103 (on left side of eng) G202 (on left side of dash, near junction block) Ground Headlights system High beam headlight input Horn rly ctrl Horns system Hot at all times Hot in accy, run or start Hot in run Hot in run or start Ignition 0 positive voltage Ignition 1 positive voltage Ignition 3 positive voltage Ignition switch Inadvertent power input Instrument cluster system Int lps fuse a 10a Interior lights control Interior lights system Ipc/bfc acc fuse j 10a Key in ignition input Key warning switch Left front door ajar input Left i/p fuse block Low beam headlight input Low engine coolant input Low washer solvent input Other door ajar input Park brake input Park lamp sw sig on Park light input Park light relay ctrl Pass dr unlock ctrl Pnk Rear compartment sw Rear compt release ctrl Right i/p fuse block Seat belt switch input Serial data Serial data spi clock Serial data spi data receive Serial data spi data transmit Splice pack sp101 Splice pack sp103 Splice pack sp202 Theft battery voltage Theft ground Theft sensor signal Trunk release circuit Turn signal input Underhood fuse block Warning system Warning systems system Washer fluid level sensor (inside left front fender)
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Computer Data Lines Wiring Diagram for Chevrolet Malibu LS 2003: 16 (left side of dash) (on left front of eng, near starter) A12 Body control module (bcm) (below right side of dash, near blower motor) Data clss 2 Data link connector (dlc) (below left side of dash, near steering column) Electronic brake control module (ebcm) (inside left front fender) G102 G201 Hot at all times Inflatable restraint sensing & diagnostic module (under right front seat) Ipc/hvac batt fuse 10a Left i/p fuse block (on left end of dash) Power distribution system Powertrain control module (pcm) (below left side of dash, near steering column) Radio
COOLING FAN Cooling Fan Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Cooling Fan Wiring Diagram for Chevrolet Malibu LS 2003: 21 B12 C10 C12 Cool fan 1 fuse 8 30a Cool fan 1 mini- relay 12 Cool fan 2 fuse 52 15a Cool fan 2 ground fuse 55 15a Cool fan 2 mini- relay Cool fan mode min- relay D10 D11 F11 G103 High speed cooling fan relay ctrl Hot at all times Left cooling fan Low speed cooling fan relay ctrl Powertrain control module (pcm) (below left side of dash, near steering column) Right cooling fan Splice pack sp103 (left side of engine) Underhood fuse block (left side of engine compt)
CRUISE CONTROL Cruise Control Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Cruise Control Wiring Diagram for Chevrolet Malibu LS 2003: 43 (brake switch) exterior lights system & abs system B12 Brake input 1 Brake input 2 C1 c3 C11 C4 c1 Cruise control module (right side of engine compt) Cruise control on/off switch Cruise disable input Cruise disable output Cruise engaged input Cruise engaged output Cruise fuse 10a Cruise on input Cruise release Cruise sw fuse 2a F6 c1 G101 (left side of engine compartment) Ground Hot in run Ignition Inflatable restraint steering wheel module coil Instrument cluster system Left i/p fuse block (left end of dash) Nca Off Pnk Powertrain control module (pcm) (below left side of dash) R/a Resume/accel input Right i/p fuse block (right end of dash) S/c Serial data Set/coast input Splice pack sp101 Tcc brake switch (on brake pedal support) Underhood fuse block (left side of engine compartment) Vehicle speed sensor (vss) (on rear of engine/transaxle) Vss high Vss input Vss low Vss output
DEFOGGERS Defoggers Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Defoggers Wiring Diagram for Chevrolet Malibu LS 2003: 33 A c2 A11 Air conditioning system C c2 C1 c2 C2 j C3 c12 Defog indicator Defog request Defogger switch Dim input Exterior lights system G202 G402 Ground Hot at all times Hot in run Htr a/c ign fuse 46 10a Hvac control assembly Ign Interior lights system K c2 Left i/p fuse block On indicator Panel lamp Rear window defogger grid Relay ctrl Rr defog fuse 33 30a Rr defog mini- relay Splice pack sp202 (left side of dash) Splice pack sp402 (right side of rear package shelf) Timer Underhood fuse block (left side of eng compt)
ENGINE PERFORMANCE
3.1L VIN J 3.1L VIN J, Engine Performance Wiring Diagram (1 of 3) for Chevrolet Malibu LS 2003 List of elements for 3.1L VIN J, Engine Performance Wiring Diagram (1 of 3) for Chevrolet Malibu LS 2003: 63 (below left side of dash) 1-2 valve ctrl 2-3 valve ctrl 5v ref Automatic transaxle Automatic transaxle input shaft speed sensor Batt voltage Brake sw input Ckp sensor Cmp sensor Cooling fans system Cruise control system Cruise disable Data link connector Egr sol valve Engine spd sig Evap purge Evaporative emission canister purge valve (top rear of engine) Evaporative emission canister vent solenoid (under rear of vehicle) Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 5 Fuel injectors G102 (front of engine) High fan ctrl Ho2s 2 low Ho2s low Hot at all times Hot in accy, run or start Hot in run or start Iac coil b high Ic control Ign Ign mod fuse 41 10a Inj 6 driver Instrument cluster system (vehicle speed signal) Intake air temperature (iat) sensor (in air intake duct, near throttle body) Iss sensor Knock sensor (left side of engine) Ks signal Left i/p fuse block Low fan ctrl Low ref Maf sensor Mass airflow sensor (on air intake duct assembly) Pcm acc fuse g 10a Pcm batt fuse 44 10a Pcm ground Pnk Powertrain control module (below left side of dash) S100 Sensor ground Serial data Sp102 Tan Tr sw input b Trans range a Underhood fuse block (left side of engine compt) Vehicle speed sensor (rear of transaxle) Vss high Vss low Vss output 3.1L VIN J, Engine Performance Wiring Diagram (2 of 3) for Chevrolet Malibu LS 2003 List of elements for 3.1L VIN J, Engine Performance Wiring Diagram (2 of 3) for Chevrolet Malibu LS 2003: 33 (at kick panel) sp301 (in engine harn, 15cm from p100, towards powertrain control module) (in fuel tank) (top rear of engine) engine coolant temperature sensor (top rear of engine) exhaust gas recirculation valve (top rear of engine) throttle position sensor Auto trans fuse 38 10a Crankshaft position sensor b (lower right of engine) Cruise fuse d 10a Engine oil level switch (on oil pan) F/p injr fuse 48 15a Fuel pump & sender assembly Fuel pump relay G102 G103 G301 Hot in run Hot in run or start Idle air control (iac) valve (on top center rear of engine) Ignition control module (top right side of engine) Left i/p fuse block b12 Nca Park/neutral position switch (side of transaxle) Pcm ign fuse 39 10a Pnk Red Right i/p fuse block S102 Sp102 (front of engine) Sp103 (left side of engine) Tan Tcc brake switch (on brake pedal support) Underhood fuse block 3.1L VIN J, Engine Performance Wiring Diagram (3 of 3) for Chevrolet Malibu LS 2003 List of elements for 3.1L VIN J, Engine Performance Wiring Diagram (3 of 3) for Chevrolet Malibu LS 2003: 77 (attached to bracket, on top of engine) manifold absolute pressure sensor (front of engine) compt) a/c refrigerant pressure sensor (on exhaust manifold) heated oxygen sensor 1 (rear of catalytic converter) heated oxygen sensor 2 (under rear of vehicle) fuel tank pressure sensor +5v fuel lvl 1-2 shift sol 12v ref 2-3 shift sol 5v ref A tan A/c clutch rly A/c refrig pres A/c system Automatic transaxle Automatic transaxle fluid pressure valve manual position switch B11 C11 Camshaft position sensor (front of engine) Crankshaft position sensor a (lower front of engine) Cruise control system Cruise engaged Ect sensor Egr pos signal Egr valve Eng oil level Erls fuse 47 10a Evap driver Fluid temp Fuel inj 4 Fuel press Fuel pump rly G201 Gen field duty Gen turn on Ho2s 1 signal Ho2s 2 signal Ho2s low Hot in run Iac coil a hi Iac coil a low Iac coil b Iat sensor Ign Instrument cluster (tachometer) Instrument panel cluster Left i/p fuse block Low ref Malfunction indicator lamp Map signal Mil ctrl Nca Oil pressure switch (lower left side of engine) Oil pres sensor Pc sol high Pc sol low Pnk Pnk e Pnk n Powertrain control module (below left side of dash) Press ctrl sol Red Red p Sensor ground Sp201 (left side of dash) Starting/ charging system Tach out Tan Tcc pwm sol Tcc rel sw Tft sensor Tp sensor Tr sw b Tr switch a Tr switch c Tr switch d Underhood fuse block (left side of engine compt)
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Back-up Lamps Wiring Diagram for Chevrolet Malibu LS 2003: 15 B/u lmp fuse 10a B11 G401 (left side of rear package shelf) G402 (right side of rear package shelf) Hot in run or start Left backup lamp Left tail/ stop and turn signal Park/neutral position switch (on side of transaxle) Pnk Right backup lamp Right i/p fuse block (right end of dash) Right tail/ stop and turn signal Splice pack sp401 Splice pack sp402 Underhood fuse block (left side of engine compt) Exterior Lamps Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Exterior Lamps Wiring Diagram for Chevrolet Malibu LS 2003: 59 A10 A11 Alc park lamp ctrl relay 19 Alc park lmp cntrl B10 B11 Body control module (bcm) (below right side of dash) C10 C12 Center high mounted stop lamp (chmsl) G101 (left side of engine compt) G201 (left side of dash) G401 (left side of rear package shelf) G402 (right side of rear package shelf) Hazard Hazard lps fuse 10a Hazard switch Head Hot at all times Hot in run or start Instrument cluster Interior lights system Left Left front marker lamp Left front park/turn signal lamp Left i/p fuse block (left end of dash) Left rear turn signal lamp Left tail/ stop and turn signal lamps Left tail/stop and turn signal lamp Left turn ind License lamp Nca Off Park lps fuse 15a Pnk Prk Prk lmp rly Right Right front marker lamp Right front park/turn signal lamp Right i/p fuse block (right end of dash) Right rear turn signal lamp Right tail/ a Right tail/stop and turn signal lamp Right turn ind Splice pack sp101 Splice pack sp201 Splice pack sp303 Splice pack sp401 Splice pack sp402 Spoiler center high mounted stop lamp (chmsl) Stop and turn signal lamps Stop lamp switch (on brake pedal support) Stop lps fuse 15a Timer Turn lps fuse 10a Turn sig in Turn signal/multi- function switch Underhood fuse block (left side of engine compt)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Chevrolet Malibu LS 2003 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Chevrolet Malibu LS 2003: 55 A/t shift lock control solenoid A10 A12 Accessory power outlet Air temperature actuator B10 Battery Blower motor Body control module (bcm) Brake fluid level switch C1 d10 C12 Cigar lighter Coolant level switch Cruise control module Data link connector (dlc) Daytime running lamps (drl) resistor E10 Electronic brake control module Engine oil level switch Fog lamp switch G101 (left side of engine compt) G102 (front of engine near starter) G103 (on left side of engine) G104 (left side of engine compt) G201 (left side of dash) G202 (left side of dash) G203 (right side of dash) Hazard switch Heated oxygen sensor (ho2s 2) Heater a/c control assembly Horn assembly I/p compartment switch I/p dimmer switch Ignition control module Ignition switch Instrument cluster Instrument panel cluster Left fog lamp Left front park/turn lamp Left i/p junction block Mass airflow (maf) sensor Nca Powertrain control module (pcm) Radio Rear compartment lid release switch Rear compt lid release switch Right fog lamp Right front park/turn lamp Transaxle range switch Turn signal/ multifunction switch Underhood junction block Washer fluid level sensor Windshield washer fluid pump Windshield wiper motor assembly Ground Distribution Wiring Diagram (2 of 2) for Chevrolet Malibu LS 2003 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Chevrolet Malibu LS 2003: 33 Audio amplifier Center high mounted stoplamp (chmsl) Center high mounted stoplamp assembly (chmsl) Dome lamp Driver door ajar switch Driver door lock switch Driver seat adjuster switch Driver window switch Front passenger door ajar switch Front passenger door lock switch Front passenger window switch Fuel pump & sender assembly Fuel tank module G301 (below left side of driver's seat) G302 (below right side of front passenger's seat) G401 (left side of rear package shelf) G402 (right side of rear package shelf) If equipped Left front door ajar switch Left rear door ajar switch Left tail/ stop & turn signal lamp License lamp Nca Outside rearview mirror switch Rear compartment lid release actuator Rear window defogger grid Rearview mirror reading lamps Remote control door lock receiver Right rear door ajar switch Right tail/ stop & turn signal lamp Right vanity mirror lamp Seat belt switch Sunroof module
HEADLIGHTS Headlights Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Headlights Wiring Diagram for Chevrolet Malibu LS 2003: 60 0.31 ohm A10 A12 Alc relay Ambient light sensor (on top of dash trim pad) Automatic lamp control headlamp relay B12 c3 B3 c3 Body control module (bcm) (below right side of dash) C11 C4 c2 D11 Daytime running lamps (drl) resistor (rear of front impact bar) Daytime running lamps relay Drl relay E12 E8 c2 F12 c2 F4 c1 F6 c2 Flash Fog lamp relay Fog lamp switch Fog lp relay Fog lp sw Fog lps fuse 10a G101 (left side of engine compt) G201 (left side of dash) G202 (left side of dash) Ground splice pack sp101 Ground splice pack sp201 Ground splice pack sp202 Head High High beam in Hot at all times Hot in on Htr a/c ign fuse 10a Illumination Interior lights system Left front fog lamp Left high beam headlamp Left low beam headlamp Lh hdlp fuse 15a Low Low beam in Lt sen ret Lt sen sig Nca Off On indicator Park Pnk Rh hdlp fuse 15a Right front fog lamp Right high beam headlamp Right i/p fuse block (right end of dash) Right low beam headlamp Turn signal/ multifunction switch Underhood fuse block (left side of engine compt)
HORN Horn Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Horn Wiring Diagram for Chevrolet Malibu LS 2003: 13 Body control module (bcm) (below right side of dash near blower) C12 G101 (left side of engine compt) Horn assembly (inside right front fender) Horn fuse 43 15a Horn relay 21 Horn relay control Horn slip ring Horn switch Hot at all times Hz horn Turn/ headlamp/ wiper switch (left side of dash, on steering column) Underhood junction block (left side of engine compartment)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Instrument Cluster Wiring Diagram for Chevrolet Malibu LS 2003: 72 service vehicle soon ind A10 A11 A12 Abs ind Abs ind ctrl Air bag ind Air bag ind ctrl B10 B11 B12 Battery Body control module (below right side of dash, near blower motor) Brake ind Brake ind ctrl Check oil ind Check oil ind ctrl Cool temp ind ctrl Coolant temperature gauge Cruise control system Cruise ind Cruise ind ctrl Door ajar ind Door ajar ind ctrl Engine coolant temperature ind Exterior lights system Fuel gauge G202 Ground Ground splice pack (left side of dash) High beam ind High beam ind ctrl Hot at all times Hot in accy, on or start Ignition Illumination Instrument cluster Interior lights system Ipc/bfc acc fuse 10a Ipc/hvac batt fuse 10a Left turn ind Lh i/p fuse block (on left end of dash) Low coolant ind Low coolant ind ctrl Low fuel ind Low fuel ind ctrl Low washer ind Low washer ind ctrl Mil ctrl Oil press ind ctrl Oil pressure ind Powertrain control module (below left side of dash, near steering column) Right turn ind Seat belt ind Seat belt ind ctrl Serial data Serial data spi clock Serial data spi receive Serial data spi transmit Service engine soon ind Service vehicle soon ind ctrl Speedometer Tach input Tach out Tachometer Theft sys ind ctrl Theft system ind Trip reset Volts ind Volts ind ctrl Vss input Vss out
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Courtesy Lamps Wiring Diagram for Chevrolet Malibu LS 2003: 39 A11 A12 B10 Battery positive voltage Body control module (below right side of dash, near blower motor) C10 Dome lamp Door Driver door ajar switch Front passenger door ajar switch G203 (right side of dash) G302 G401 (left side of rear package shelf) Hot at all times I/p compart- ment lamp switch Inadvertant power control Instrument cluster Int lps fuse 10a Interior lamps control Left courtesy lamp Left front door ajar input Left i/p fuse block (on left end of dash) Left rear door ajar switch Off Rear compartment courtesy lamp Rear compartment lid release motor (in rear compartment lid) Rear view mirror reading lamps Right courtesy lamp Right front door ajar input Right i/p fuse block (on right end of dash) Right rear door ajar switch Right vanity mirror lamps Serial data spi data recieve Serial data spi data transmit Sp203 Sp302 (below right side front passenger's seat) Sp401 Spi data recieve Spi data transmit Instrument Illumination Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Instrument Illumination Wiring Diagram for Chevrolet Malibu LS 2003: 42 (5 bulbs) (not used) A12 B12 Body control module (below right side of dash, near blower motor) C12 Driver door lock switch Driver power window switch E11 E12 F12 Fog lamp switch From right i/p a fuse block (diagram 1 of 1) Front passenger door lock switch Front passenger power window switch G201 (left side of dash) G202 (left side of dash) G301 (below left side of driver's seat) G302 (below right side of front passenger's seat) Hazard switch Hot at all times Hvac control assembly I/p dimmer switch I/p dimming module (on left side of dash) Inst lamps fuse a 10a Instrument panel cluster Nca Outside rearview mirror switch Park lamp relay control Park lamps relay Park lps fuse 45 15a Power sunroof switch Radio Rear compartment lid release switch Right i/p fuse block (on right end of dash) Sp201 Sp202 Sp301 Sp302 To right i/p fuse block (diagram 1 of 1) Transaxle shift indicator lamp Underhood fuse block (on left side of engine compartment)
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 2) for Chevrolet Malibu LS 2003 List of elements for Power Distribution Wiring Diagram (1 of 2) for Chevrolet Malibu LS 2003: 85 A11 A12 Abs fuse 50a Audio amplifier (enhanced audio) Automatic lamp control (alc) relay Aux pwr/cigar fuse 20a Auxiliary power outlet B10 B11 Batt Battery Bfc batt fuse 10a Blower motor relay Body control module (bcm) Brake pressure modulator valve (bpmv) C12 Cigar lighter Cool fan 1 fuse 30a Cool fan 2 fuse 15a Data link connector (dlc) Door lock relay Door unlock relay Dr lock fuse 15a Driver door unlock relay (w/keyless entry) E12 Fan control relay 1 Fan control relay 2 Fog lamps relay Fog lps fuse 10a From a abs fuse (diagram 1 of 2) From b fan control relay 2 (diagram 1 of 2) From c lh bec batt 1 fuse (diagram 1 of 2) G203 (right side of dash) Gen batt fuse 10a Generator Hazard lps fuse 10a Hazard switch Hi blo mot fuse 30a Horn fuse 15a Horn relay Hvac control assembly Ign sw batt 1 fuse 40a Ign sw batt 2 fuse 30a Instrument panel cluster (ipc) Int lps fuse 10a Ipc/hvac batt fuse 10a L ground splice pack Left high beam headlamp Left i/p junction block Left low beam headlamp Lh bec batt 1 fuse 40a Lh bec batt 2 fuse 30a Lh hdlp fuse 15a Mode control relay Nca Outside rearview mirror switch Park lamp relay Park lps fuse 15a Pcm batt fuse 10a Powertrain control module (pcm) Pwr mirror fuse 10a Pwr seat circuit breaker 25a Radio Rdo batt fuse 10a Rear compartment lid release relay Rear defogger relay Red Remote control door lock receiver Rh bec batt fuse 30a Rh hdlp fuse 15a Right high beam headlamp Right i/p junction block Right low beam headlamp Rr defog fuse 30a Seat adjuster switch driver Starter solenoid Stop lps fuse 15a Stoplight switch To cool fan fuse (diagram 1 of 2) To hi blo mot fuse (diagram 1 of 2) To ign-sw batt 2 fuse (diagram 1 of 2) To ignition switch (diagram 2 of 2) Trunk rel/rfa fuse 10a Turn signal/ multifunction switch Underhood junction block Power Distribution Wiring Diagram (2 of 2) for Chevrolet Malibu LS 2003 List of elements for Power Distribution Wiring Diagram (2 of 2) for Chevrolet Malibu LS 2003: 75 (not used) A/c bfc fuse 10a A/c compressor clutch relay A11 A12 Abs ign fuse 10a Accy Air bag fuse 10a Air temperature actuator Auto trans fuse 10a Automatic transaxle B/u lmp fuse 10a Body control module (bcm) Brake pressure modulator valve (bpmv) Brake switch C11 C201 Cruise control on/off module Cruise control switch Cruise fuse 10a Cruise sw fuse 2a Daytime running lamps (drl) relay E11 Erls fuse 10a Evaporative emission (evap) canister purge valve Evaporative emission (evap) canister vent solenoid F/p injr fuse 15a F11 From ign sw batt 1 fuse (diagram 1 of 2) From ign sw batt 2 fuse (diagram 1 of 2) From ignition switch (diagram 2 of 2) Fuel injectors Fuel pump relay Hazard switch Heated oxygen sensor (ho2s) sensor 1 Heated oxygen sensor (ho2s) sensor 2 Htr a/c ign fuse 10a Hvac blower fuse 20a Hvac assembly Hvac control assembly Ign mod fuse 10a Ignition control module (icm) Ignition switch Instrument panel cluster (ipc) Ipc/bfc acc fuse 10a Left i/p junction block Lock Mass airflow (maf) sensor Nca Park/neutral position (pnp) switch Pcm acc fuse 10a Pcm ign fuse 10a Pnk Powertrain control module (pcm) Pwr wndws circuit breaker 25a Rear defogger relay Red Right i/p junction block Run S100 Sensing & diagnostic module (sdm) Sir coil assem- bly Start Sunroof fuse 20a Sunroof module To f/p injr fuse (diagram 2 of 2) To htr a/c ign fuse (diagram 2 of 2) To sunroof fuse (diagram 2 of 2) Transaxle range switch Turn lps fuse 10a Turn/ signal multifunction switch Underhood junction block Window switch- driver Windshield wiper motor assembly Wiper fuse 25a
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Power Door Locks Wiring Diagram for Chevrolet Malibu LS 2003: 44 A11 Body control module (right side of dash, near blower motor) C10 Door lock ctrl Door lock fuse 15a Door lock relay Door signal lock/unlock Door unlock ctrl Door unlock relay Driv dr unlock ctrl Driver door lock actuator Driver door lock switch Driver door unlock relay E10 F10 Front passenger lock actuator Front passenger lock switch G201 (left side of dash) G301 (below left side of driver's seat) G302 (below right side of front passenger's seat) G402 (right side of rear package shelf) Ground Hot at all times Interior lights system Left i/p fuse block Left rear door lock actuator Lock Remote control door lock receiver (rfa) (on rear package shelf) Right i/p fuse block Right rear door lock actuator Serial data data link connector Serial data sig Splice pack g301 Splice pack g302 Splice pack sp201 Splice pack sp402 Tan Trunk rel ctrl Trunk rel/rfa fuse 10a Trunk release Unlock W/ rfa W/o rfa With remote function actuation
POWER MIRRORS Power Mirrors Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Power Mirrors Wiring Diagram for Chevrolet Malibu LS 2003: 17 +down vert +up +right horz +left B10 Driver outside rearview mirror G301 Hot at all times Interior lights system Left Left i/p fuse block (under left end of dash) Nca Off Outside rearview mirror switch Passenger outside rearview mirror Power mirror fuse d 10a Right Right/ left select switch Splice pack sp301 (below left side of driver's seat)
POWER SEATS Power Seats Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Power Seats Wiring Diagram for Chevrolet Malibu LS 2003: 17 Back Forward Forward back motor Front down Front height motor Front up G301 Hot at all times Left i/p junction block Nca Power seat circuit breaker 25a Power seat switch Rear down Rear height motor Rear up Splice pack sp301 (on left side of passenger compt, at rocker panel) Tan
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Power Top/Sunroof Wiring Diagram for Chevrolet Malibu LS 2003: 31 (not used) (on headliner) sun roof assembly A12 Battery C301 Close Close input E (not used) G401 (left side of rear package shelf) Gnd Hot in run Interior lights system Limit switches Motor close Motor open Nca Open Open input Pnk Power sun roof motor assembly Power sun roof switch Range input Red Right i/p fuse block (on right end of dash) Soft stop Soft stop input Splice pack sp401 Sun roof control module Sunroof fuse h 20a Switch gnd Vent stop
POWER WINDOWS Power Windows Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Power Windows Wiring Diagram for Chevrolet Malibu LS 2003: 28 Down Driver window motor Ecb Express Express down module Front passenger window motor Front passenger window switch G301 (below left side of driver's seat) G302 (below right side of front passenger seat) Hot in run Illumination lamp Interior lights system Left front Left rear Left rear window motor Left rear window switch Lock out switch Power window switch- driver Power windows circuit breaker Right front Right i/p junction block (on right end of dash) Right rear Right rear window motor Right rear window switch Splice pack s303 Splice pack sp301 Splice pack sp302 Tan
RADIO Radio Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Radio Wiring Diagram for Chevrolet Malibu LS 2003: 43 A10 A11 A12 Antenna B10 B11 B12 Battery voltage C1 a1 C10 C12 Class 2 data Computer data lines system Dim display in Exterior lights system G202 (left side of dash) G203 (right side of dahs) Grd Ground Ground splice pack Hot at all times Interior lights system Left front speaker Left i/p fuse block (on left end of dash) Left rear speaker Lf speaker (+) Lf speaker (-) Lr speaker (+) Lr speaker (-) Nca Park lamp in Radio Radio battery fuse g 10a Rf speaker (+) Rf speaker (-) Right front speaker Right i/p fuse block (on right end of dash) Right i/p junction block (on right end of dash) Right rear speaker Rr speaker (+) Rr speaker (-) Splice pack sp203 Tan
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Shift Interlock Wiring Diagram for Chevrolet Malibu LS 2003: 11 1995 vftc c A/t shift lock control solenoid (under center console) B/u lmp fuse 42 15a Brake switch (open with brake pedal depressed) (on brake pedal support) G203 Hot in run or start Left i/p fuse block (left end of dash) Park/ neutral position switch (on side of transaxle) Pnk Splice pack sp203 (right side of dash) Underhood fuse block
STARTING/CHARGING Charging Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Charging Wiring Diagram for Chevrolet Malibu LS 2003: 25 (below right side of dash, near blower motor) body control module (bcm) A10 Anti- lock brakes system Battery F input gen terminal G102 (on left side of eng compt) G104 (on left side of eng compt) Gen batt fuse 10a Gen terminal l control Generator Hot at all times Hot in accy, run & start Instrument cluster Ipc/bfc acc fuse 10a Left i/p fuse block (on left end of dash) Power distribution system Powertrain control module (pcm) (below left side of dash, near steering column) Red Serial data class 2 Spi clock Spi receive Spi transmit Starter solenoid Underhood fuse block (on left side of engine compartment) Volts ind Starting Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Starting Wiring Diagram for Chevrolet Malibu LS 2003: 16 Acc Battery Charging circuit F11 G102 (left side of engine compartment) G104 (left side of engine compartment) Ign sw batt 1 fuse 40a Ignition switch Lock Park/ neutral position switch (on side of transaxle) Red Run Start Starter motor Starter solenoid Underhood fuse block (on left side of engine compartment)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Supplemental Restraints Wiring Diagram for Chevrolet Malibu LS 2003: 31 A10 A11 A12 A13 A14 A15 A16 A17 A18 Air bag indicator Airbag fuse e 10a Body control module (bcm) (below right side of dash, near blower motor) Case ground Class serial data Computer data lines system (class 2 serial data) Hot in on or start Ignition Inflatable restraint i/p module Inflatable restraint sensing & diagnostic module (under right front seat) Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Left i/p junction block (on left end of dash) Logic Module high Module low Nca Serial data Shorting bar Spi serial data a Spi serial data b
TRANSMISSION
3.1L VIN J 3.1L VIN J, A/T Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for 3.1L VIN J, A/T Wiring Diagram for Chevrolet Malibu LS 2003: 75 (engine harn, 15cm from p100, towards powertrain control module) 1-2 shift sol 2-3 shift sol A/t sensor hi A/t sensor lo Anti- lock brakes system Auto trans fuse 38 10a Automatic transaxle (4t40-e/ 4t45-e) Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor B11 B12 Battery in Body function controller Brake switch in C1 d2 Cruise fuse d 10a Data class ii Data link connector (below left side of dash) Ect return Ect sensor in Engine coolant temperature sensor (top rear of engine) G102 (front of of engine, near starter) Gnd Hot at all times Hot in acc, run or start Hot in run Hot in run or start Ignition (1) in Ignition (2) in Instrument cluster Ipc/ bfc acc fuse j 10a Left i/p fuse block (left end of dash) Map sensor Mil ctrl On brake pedal support) tcc brake switch P,r,n,lo,d4 Park/neutral position switch (side of transaxle) Pc sol hi Pc sol lo Pcm acc fuse g 10a Pcm batt fuse 44 10a Pcm ground Pcm ign fuse 39 10a Pnk Powertrain control module (below left side of dash) Pressure control sol Red Rev,d,2,1 Right i/p fuse block (right end of dash) S102 Service engine soon indicator Splice pack sp102 Tan Tcc pwm sol Tcc release Tcc release in Tft sensor gnd Tft sensor in Throttle position sensor (top rear of engine) Tp 5v ref Tp sensor in Tps return Tr sw in-a Tr sw in-b Tr sw in-c Tr sw in-p Trans range a Trans range b Trans range c Underhood fuse block (left side of engine compt) Vehicle speed sensor (rear of transaxle) Vss hi (signal) Vss lo (ground)
TRUNK, TAILGATE, FUEL DOOR Trunk Release Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Trunk Release Wiring Diagram for Chevrolet Malibu LS 2003: 20 A10 A9 c3 Body control module (below right side of dash, near blower motor) C1 f3 G201 (left side of dash) G202 (left side of dash) G401 (left side of rear package shelf) Ground Hot at all times Interior lights system Left i/p junction block (left end of dash) Rear compart- ment lid release actuator (on rear compart- ment lid) Rear compart- ment lid release switch (below left side of dash) Rear compartment lid release relay Rear compt lid release rly ctrl Sp201 Sp202 Sp401 Trunk rel/rfa/ rdo amp fuse 10a Trunk release
WARNING SYSTEMS Warning Systems Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Warning Systems Wiring Diagram for Chevrolet Malibu LS 2003: 61 A/c bfc fuse 37 10a A10 A11 A12 B10 B11 B12 B5 c3 Battery positive voltage Bfc batt fuse f 10a Body control module (bcm) (below right side of dash, near blower motor) C12 Computer data lines system Courtesy lamp low ctrl Cruise fuse d 10a Driver door ajar signal Driver door ajar switch Front passenger door ajar switch G202 G301 G302 Ground Head Hot at all times Hot in accy run & start Hot in run Hot in run & start Ignition 0 voltage Ignition 1 voltage Ignition 3 voltage Ignition switch (key warning switch) Instrument cluster Int lps fuse a 10a Interior lights system Ipc/bfc acc fuse j 10a Key in ignition sw signal Left i/p fuse block (on left end of dash) Left rear door ajar switch Nca Off Park Park brake sw signal Park brake switch (on park brake assembly) Park lamp sw on signal Park lps fuse 15a Passenger door ajar switch Pnk Right i/p fuse block (on right end of dash) Right rear door ajar switch Seat belt switch (in driver's seat belt assembly) Seat belt switch signal Serial data (class 2) Serial data spi clock Spi serial data a Spi serial data b Spi serial data clock Splice pack sp202 (on left side of dash, near junction block) Splice pack sp301 (on left side of passenger compartment, at rocker panel) Splice pack sp302 (on right side of passenger compartment, at rocker panel) Turn signal/ multifunction switch Underhood fuse block (on left side of engine compartment)
WIPER/WASHER Wiper/Washer Wiring Diagram for Chevrolet Malibu LS 2003 List of elements for Wiper/Washer Wiring Diagram for Chevrolet Malibu LS 2003: 35 (not used) 110k 155k 217k 305k 39k 430k 55k 680k 75k Body control module (below right side of dash) G101 (left side of engine compartment) G201 (left side of dash) High Hot in accy & run Instrument cluster system Left i/p junction block (on left end of dash) Low Low washer fluid input Mist Mux 1 Mux 2 Off Ohms Red Spi serial data a Spi serial data b Turn signal multifunction switch Washer fluid level sensor (inside left front fender) Washer switch Windshield washer fluid pump (between washer fluid reservoir & frame rail) Wiper fuse 25a Wiper motor assembly (on left rear of engine compartment) Wiper motor control Wiper switch
