Diagram sections — 29 (67 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 Impala LT 2006 List of elements for Compressor Wiring Diagram for Chevrolet Impala LT 2006: 37 5 volt ref 5514 (or 2751) A/c compressor clutch (part of a/c compressor, on lower right front of engine) A/c clutch fuse 10a A/c cmprsr relay A/c comp strl A/c press sig A/c refrigerant pressure sensor (under air cleaner) A/c request ind A/c request switch Air bag/ display fuse 10a Battery Breakout to brake pedal position sensor) Computer data lines system D pnk Data bus + Data bus - Early Emission 2 fuse 15a Engine control module (ecm) (inside air cleaner assembly) Except 5.3l 5.3l G113 (on front of automatic transaxle, left of g111) G202 (on right side of steering column below c201) Gnd Hot at all times Hot in run or start Hvac class 2 Hvac control module (center of dash) Late production Logic Low ref Pnk Production S239 (approximately 5 cm (2 in) from second pnk Splice pack sp206 (on i/p harness, near steering column) Tan Underhood fuse block (mounted to right strut tower) Manual A/C Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006 List of elements for Manual A/C Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006: 61 (late production) left cooling fan diode (late production) right cooling fan diode (part of a/c compressor, on lower right front of engine) a/c compressor clutch A/c cmprsr fuse 10a A/c cmprsr relay A/c request ind A/c request switch Air temp a Air temp b Air temperature actuator (c67) (behind center of i/p on hvac case) Battery Blower motor sw Computer data lines system Defog rly ctrl Defogger Defogger system Emission 2 fuse 15a Fan 1 fuse 30a Fan 1 relay Fan 2 fuse 30a Fan 2 relay Fan 3 relay G100 (behind right headlamp, on frame) G113 (on front of automatic transaxle, left of g111) G201 (front of dash, above g202) G202 (on right side of steering column below c201) Gnd High Hot at all times Hot in run or start Hvac control module (center of dash) Ign 1 vol Illum Ind Interior lights system Left air temperature actuator (cj3) (right of accelerator pedal) Left temperature control switch (cj3) Logic Low Low ref Mode actuator (on hvac assembly) Mode dr ctrl a Mode dr ctrl b Mode switch Off On ind Pnk Rear defogger switch Recirculation Recirculation a Recirculation actuator (on right side of hvac case) Recirculation b Recirculation switch Right air temperature actuator (cj3) (behind center of dash, on hvac case) Right temperature control switch (cj3) Serial data Speed ctrl Tan Temp sens sig Temperature control switch (c67) Underhood fuse block (mounted to right strut tower) Manual A/C Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006 List of elements for Manual A/C Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006: 47 5.3l 5514 (or 2751) 5v reference A/c comp clutch A/c press signal A/c refrigerant pressure sensor (under air cleaner) Air bag/ display fuse 10a Ambient air temperature sensor (in front of radiator) Batt 4 fuse 30a Battery Blower motor (above foot area of passenger floor) Blower motor control processor (lower right side of dash) Breakout to brake pedal position sensor) Computer data lines system D pnk Data bus + Data bus - Display fuse 10a Early production Ect sens sig Engine control module (ecm) (inside air cleaner assembly) Engine coolant temperature (ect) sensor (5.3l: left front of engine at cylinder 1) (except 5.3l: left side of front cylinder head) Except 5.3l G100 (behind right headlamp, on frame) G200 (front of dash, left of g204) Gmlan serial data Gnd Hot at all times Hot coolant ind Hot in run or start Ign Instrument panel cluster (ipc) Late production Left cooling fan (front of engine compt, mounted to left side of radiator) Logic Low ref Pnk Red Relay ctrl Right cooling fan (mounted to right side of radiator) S239 (approximately 5 cm (2 in) from second pnk Serial data Speed ctrl Splice pack sp206 (on i/p harness, near steering column) Tan To remote control door lock receiver) Underhood fuse block (mounted to right strut tower)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006 List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006: 53 (5.3l: lower front of engine, under cylinder 5 exhaust port) (except 5.3l: on transmission case, below brake booster) g115 (inside air cleaner assembly) engine control module (ecm) (part of brake pressure modulator valve) electronic brake control module (police) 5.3l Abs ind Abs mtr 1 fuse 60a Abs mtr 2 fuse 60a Bat pos vol Brake pressure modulator valve (bpmv) Computer data lines system Except 5.3l G115 (5.3l: lower front of engine, under cylinder 5 exhaust port) (except 5.3l: on transmission case, below brake booster) Gmlan (bcm) Gmlan (ebcm) Gmlan serial data Gmlan serial data bus + Gmlan serial data bus - Gnd Hot at all times Hsv1 (w/ tcs) Hsv2 (w/ tcs) Instrument panel cluster (ipc) Left front inlet Left front outlet Left rear inlet Left rear outlet Lf wheel sens lo ref Lf wheel sens sig Logic Lr wheel sens lo ref Lr wheel sens sig Message center Motor control Pump motor Rf wheel sens lo ref Rf wheel sens sig Right front inlet Right front outlet Right rear inlet Right rear outlet Rr wheel sens lo ref Rr wheel sens sig Serial data communication Service brake system service traction control traction control off Sol vlv control Solenoid valves Tan Traction off ind Underhood fuse block (mounted to right strut tower) Usv1 (w/ tcs) Usv2 (w/ tcs) Vehicle spd sig Anti-lock Brakes Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006 List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006: 23 5v ref Body control module (bcm) (left of steering column) Brake pedal position sensor (right side of brake pedal bracket) Computer data lines system G202 (on right side of steering column below c201) Headlamp switch (includes traction control switch) (left side of i/p, left of steering column) High speed gmlan serial data bus + High speed gmlan serial data bus - Left front wheel speed sensor (wss) (inside left front wheel hub) Left rear wheel speed sensor (wss) (inside left rear wheel hub) Lo ref Lo speed gmlan serial Nca Note: the traction control switch is part of the headlamp switch and must be serviced as an assembly. Red Right front wheel speed sensor (wss) (inside right front wheel hub) Right rear wheel speed sensor (wss) (inside right rear wheel hub) Serial data communication Stop lp sw sig Tan Trac ctrl sw sig Traction control switch W/ vcs
ANTI-THEFT Forced Entry Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006 List of elements for Forced Entry Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006: 70 (below driver door opening, rear of left "a" pillar) (below passenger front door opening, rear of right "a" pillar) g302 (late production) door lock diode (late production) door unlock diode (late production) driver door unlock diode (left "a" pillar) (if equipped) remote control door lock receiver windshield antenna (under defroster grill panel) remote control door lock receiver (rcdlr) Ajar Ajar sw sig Antenna sig B3 c4 Body control module (bcm) (left of steering column) C1 j1 Closed Coax Computer data lines system Display fuse 10a Door lock pcb relay Door unlock pcb relay Dr/lck fuse 25a Driver door lock switch Driver door unlock pcb relay Early production Exterior lights system Front passenger door lock switch G1 c2 G100 (behind right headlamp, on frame) G202 (on right side of steering column below c201) G301 G302 (below passenger front door opening, rear of right "a" pillar) Ground Ground distribution system Headlights system Hi beam relay Hood ajar sw Hood ajar switch (w/ rke) (part of hood latch) Hood closed sw Horn rly ctrl Horns system Hot at all times I/p fuse block (in right front kick panel) Interior lights system Late production Lf open sw sig Lid ajar sw sig Lock Lock rly ctrl Lock sig Pass dr open sw Police Power distribution system Prk lmp rly ctrl Rear compartment lid release switch Rf ajar sw sig Rvc sen fuse 10a S124 S218 S375 S376 S474 (approximately 45.5 cm (18 in) from breakout to c409) S504 S604 Serial data Splice pack sp206 (on i/p harness, near steering column) Tan Underhood fuse block (mounted to right strut c3 tower) Underhood fuse block (mounted to right strut tower) Unlock Unlock rly ctrl Unlock sig Forced Entry Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006 List of elements for Forced Entry Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006: 41 (below driver door opening, rear of left "a" pillar) g301 (on body wiring harness, approximately 5 cm (2 in) from breakout to c313) s315 Air bag/ display fuse 10a Ajar Base Computer data lines system Door lock actuator Door lock ajar indicator switch Door lock open indicator switch Driver door lock (rear of driver door) Driver information center (dic) Drv door open lr door open pass door open rr door open Early production Front passenger door lock (rear of passenger door) G302 (below passenger front door opening, rear of right "a" pillar) Hot w/ ign main pcb relay energized Ign Ign 1 vol Instrument panel cluster (ipc) K4 c4 Late production Left rear door lock (rear of left rear door) Logic Low speed gmlan serial data Open Pnk Power distribution system Right rear door lock (rear of right rear door) S239 S303 S314 (on body wiring harness, approximately 16 cm (6.5 in) from breakout to c313) S359 (on body harness, approximately 24 cm (9.5 in) from breakout to c311) S375 S505 S604 Security ind Splice pack sp206 (on i/p harness, near steering column) Tan Theft attempted Underhood fuse block (mounted to right strut tower) Uplevel Pass-Key Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Pass-Key Wiring Diagram for Chevrolet Impala LT 2006: 33 (left of steering column) body control module (bcm) 5.3l Acc Bcm fuse 10a Computer data lines system Driver information center (dic) Engine control module (ecm) (inside air cleaner assembly) Except 5.3l G202 (on right side of steering column below c201) Gmlan serial data Gmlan serial data bus + Gmlan serial data bus - Hot at all times Ign Ignition key Ignition switch Instrument panel cluster (ipc) Logic Low speed gmlan serial data Off Power distribution system Reader/ exciter Run S204 S214 Security ind Service theft system Splice pack sp205 (clipped to inner i/p structure, to right of steering column) Start Tan Theft deterrent exciter module (around ignition key cylinder housing) Transponder Underhood fuse block (mounted to right strut tower)
BODY CONTROL MODULES Body Control Modules Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006 List of elements for Body Control Modules Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006: 75 (left of steering column) body control module (bcm) (not used) A/t shift lck ctrl sol v Acc Accessory voltage Anti-theft system Backup lmp sply voltage Body control module (bcm) (left of steering column) Cruise control system Cruise ctrl switch signal Current sensor signal Current snsr sply voltage Curtsy lmp sply voltage Door lock relay control Door locks system Door unlock relay ctrl Dr lock key sw unlock sig Driver door lock sw sig Drl ambient light sns sig Drv dr unlock rly ctrl Exterior lights system Ground Hazard switch signal Headlamp dim sw high sig Headlamp hi beam rly ctrl Headlights system Hood closed switch signal Horn relay control Horns system Hot at all times Ignition key resistor sig Ignition switch Ignition voltage 1 Instrument cluster system Instrument pnl lmp sply v Interior lights system Key in ignition switch Left front door ajr sw sig Left rear door ajar sw sig Left turn switch signal Lf turn sig lmp sply v Low ref Lr turn sig lmp sply v Off Off/run/creank voltage Park brake switch signal Park enable signal Park lamp relay control Pass door open sw sig Pass dr lock sw lock sig Passenger dr lck sw sig Pnk Power distribution system Power windows system R front door ajr sw sig Rap rly coil sup voltage Rear comt lid ajar sw sig Right turn switch signal Rr turn sig lmp sply v Run S204 Shift interlock system Start Starting/charging system Stop lamp switch signal Str wheel ctrl signal Tan Trunk release rly cntrl Trunk, tailgate, fuel doors system Windshield was sw sig Windshield wip mtr sw Windshield wip sw low sig Wiper high spd relay cntrl Wiper relay control Wiper/washer system Body Control Modules Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006 List of elements for Body Control Modules Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006: 64 (5.3l: on transmission to engine bolt, below starter) (left of steering column) body control module (bcm) (on right side of steering column below c201) g202 (or 5v reference Acces wakeup srl data Anti-lock brakes system Battery Battery positive voltage Bcm fuse 10a Chmsl/ backup fuse 10a Communication enable Computer data lines system Courtesy lmp supp voltage Cruise control system Cruise ctrl ind dim sig Drl ambient light sns sig Drl pcb relay cotrol Engine controls system Exterior lights system Flash to pass switch signal Fog lamp relay control Front fog lamp sw sig G102 (near battery) G111 (3.5/3.9l: on transmission to engine bolt, above starter) G202 (on right side of steering column below c201) Ground Headlamp high beam ctrl Headlamp switch on signal Headlights system High spd gmlan srl data High spd srl data bus + High spd srl data bus - Hood ajar switch sig Hot at all times I/p dimming voltage ref Inadvertant power lamp Instrument dim pnl sw sig Int lights fuse 10a Int lts/ ws wash fuse 15a Interior lights system L trailer turn sig lamp Lf door open sw sig Low reference Low spd gmlan srl data Lt t/ sig fuse 15a Park lamp switch on signal Power windows system R trailer turn sig lamp Rf turn sig lamp Rt t/ sig fuse 15a Run/crank rly ctrl Rvc sen fuse 10a Shift interlock system Starting/charging system Stop lamp sw sig Tan Traction ctrl switch signal Trunk release control Trunk, tailgate, fuel doors system Underhood fuse block (mounted to right strut tower) Windshield washer rly ctrl Wiper mtr park sw sig Wiper/washer system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Computer Data Lines Wiring Diagram for Chevrolet Impala LT 2006: 51 (clipped to inner i/p structure, to right of steering column) splice pack sp205 (not used) 5.3l 5.3l w/abs Acc wakeup serial data Body control module (bcm) (left of steering column) C111 C4 b3 Cluster (ipc) Data link connector (dlc) (left of steering column) Digital radio receiver (mounted to rear of right rear wheelwell) Display fuse 10a Early production Electronic brake control module (ebcm) (part of brake pressure modulator valve) Engine control module (ecm) (inside air cleaner assembly) Except 5.3l Except 5.3l w/o abs G201 (front of dash, above g202) G202 (on right side of steering column below c201) Heated seat control module (under driver seat) Hi spd gmlan serial data + Hi spd gmlan serial data - Hi spd serial data + Hi spd serial data - Hot at all times Hvac control module (center of dash) If equipped Inflatable restraint front passenger presense system (pps) module (under front passenger seat) Inflatable restraint sensing & diagnostic module (sdm) (under front passenger seat, under carpet) Instrument panel Late production Low spd gmlan Low spd gmlan serial data Power distribution system Radio Remote control door lock receiver (rcdlr) (under defroster grill panel) S218 S259 (coupe: on i/p wiring harness, approximately 5 cm (2 in) from breakout to data link connector (dlc)) (sedan: on i/p wiring harness approximately 4 cm (1.5 in) from breakout to remote control door lock receiver (rcdlr) towards data link connector (dlc)) S350 (w/ digital audio system, onstar, front heater seat) (coupe: on body harness, approximately 18 cm (7.2 in) from second breakout to c311) (sedan: on body harness, approximately 14.5 cm (5.75 in) from breakout to g302) Serial data Serial data comm enable Splice pack sp206 (on i/p harness, near steering column) Splice pack sp207 (on i/p harness, near steering column) Tan Terminator resistor (w/ gps: in body harness, left side of rear compt) (w/o gps: in body harness, near connector c203) Theft deterrent exciter module (around ignition key cylinder housing) Transmission control module (tcm) (left side of engine compt in with air cleaner) Underhood fuse block (mounted to right strut tower) Vehicle communication interface module (vcim) (mounted to rear of left rear wheelhouse) W/ onstar W/o onstar
COOLING FAN Cooling Fan Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Cooling Fan Wiring Diagram for Chevrolet Impala LT 2006: 26 (late production) left cooling fan diode (late production) right cooling fan diode (mounted to right strut tower) underhood fuse block 5.3l Computer data lines system Data bus + Data bus - Ect sens sig Emission 2 fuse 15a Engine control module (ecm) (inside air cleaner assembly) Engine coolant temperature (ect) sensor (5.3l: left front of engine at cylinder 1) (except 5.3l: left side of front cylinder head) Except 5.3l Fan 1 fuse 30a Fan 1 relay Fan 2 fuse 30a Fan 2 relay Fan 3 relay G100 (behind right headlamp, on frame) High spd Hot at all times Hot in run or start Left cooling fan (front of engine compt, mounted to left side of radiator) Low ref Low spd Right cooling fan (mounted to right side of radiator) Tan
CRUISE CONTROL Cruise Control Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006 List of elements for Cruise Control Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006: 42 (except 5.3l: on transmission to engine bolt, above starter) (5.3l: on transmission to engine bolt, below starter) g111 5 volt ref 5 volt ref 1 5 volt ref 2 5.3l Body control module (bcm) (left of steering column) Brake pedal position sensor (right side of brake pedal bracket) C275 C277 Computer data lines system Cruise ctrl ind sig Cruise ctrl sw sig Cruise ind Ecm ign fuse 10a Engine control module (ecm) (inside air cleaner assembly) Except 5.3l Gnd Hot at all times Ign Ign 1 voltage Inflatable restraint steering wheel module coil (in steering column behind steering wheel) Instrument panel cluster (ipc) Logic Low ref Nca Pnk S105 (in engine wiring harness, approximately 5.5 cm (2.25 in) from breakout to starter) Sens 1 sig Sens 2 sig Serial data Serial data + Serial data - Sply voltage Steering ctrl sig Stop lamp sw sig Tac motor ctrl 1 Tac motor ctrl 2 Tan Tp sensor 1 sig Tp sensor 2 sig Underhood fuse block (mounted to right strut tower) Vehicle speed sig Cruise Control Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006 List of elements for Cruise Control Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006: 17 5.3l Accelerator pedal position (app) sensor (above accelerator pedal) Cruise on ind Except 5.3l Front sig high Front sig low Left steering wheel controls Right steering wheel controls S213 (on steering wheel harness, behind inflatable restraint steering wheel module) Stop lamp sw sig Tan Throttle body Transmission control module (tcm) (left side of engine compt in with air cleaner) Vehicle speed sensor (vss) (right side of transaxle, near right axle shaft) Vehicle speed sig W/ steering wheel W/o steering wheel
DEFOGGERS Defoggers Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Defoggers Wiring Diagram for Chevrolet Impala LT 2006: 21 Batt 3 fuse 40a Defogger on ind Driver outside rearview mirror F nca G200 (front of dash, left of g204) G301 (below driver door opening, rear of left "a" pillar) G302 (below passenger front door opening, rear of right "a" pillar) G403 (coupe: in rear compt, near left "c" pillar) (sedan: on left side of package shelf, near "c" pillar) Hot at all times Htd mir fuse 10a Hvac control module (center of dash) Logic Nca Passenger outside rearview mirror Rear defog relay Rear defog rly ctrl Rear defogger switch Rear window defogger grid S505 S604 Underhood fuse block (mounted to right strut tower)
ENGINE PERFORMANCE
3.5L VIN K 3.5L VIN K, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Impala LT 2006 List of elements for 3.5L VIN K, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Impala LT 2006: 50 (front of engine, above starter) knock sensor (ks) bank 1 (in exhaust system, behind catalytic converter) heated oxygen sensor (ho2s) 2 (or tan) (rear of engine, below exhaust manifold) knock sensor (ks) bank 2 (rear of engine, mounted in exhaust manifold) heated oxygen sensor (ho2s) 1 (right of starter) engine oil pressure (eop) sensor 5v ref 1 5v ref 2 B ign 1 vlt C gnd Cam pos sol Camshaft position (ckp) sensor (center of engine block above timing cover) Camshaft position actuator solenoid (top front of engine) Ckp sens sig Cmp sens sig Crankshaft position (ckp) sensor (above transaxle) Engine control module (ecm) (inside air cleaner assembly) Fuel inj 1 ctrl Fuel inj 2 ctrl Fuel inj 3 ctrl Fuel inj 4 ctrl Fuel inj 5 ctrl Fuel inj 6 ctrl G111 (on transmission to engine bolt, above starter) Gnd Ho2s hi sig 1 Ho2s lo ctrl 1 Ho2s lo ctrl 2 Ho2s lo sig 1 Ho2s lo sig 2 Iat sens sig Ic 1 ctrl Ic 2 ctrl Ic 3 ctrl Ign 1volt Ks 1 sig Ks 2 sig Low ref Maf sens Maf sens sig Mass air flow (maf)/ intake air temperature (iat) sensor (in air cleaner duct) Nca Oil pres sens Red S101 Tac mtr ctrl 1 Tac mtr ctrl 2 Tan Tp sens 1 sig Tp sens 2 sig 3.5L VIN K, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Impala LT 2006 List of elements for 3.5L VIN K, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Impala LT 2006: 22 Fuel injector 1 (top of engine, at number 1 cylinder intake port) Fuel injector 2 (top of engine, at number 2 cylinder intake port) Fuel injector 3 (top of engine, at number 3 cylinder intake port) Fuel injector 4 (top of engine, at number 5 cylinder intake port) Fuel injector 5 (top of engine, at number 5 cylinder intake port) Fuel injector 6 (top of engine, at number 6 cylinder intake port) G113 (on front of automatic transaxle, left of g111) Gnd Ic 1 ctrl Ic 2 ctrl Ic 3 ctrl Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition control module (icm) (top rear center of engine) Logic Low ref Pnk S109 (on fuel injector wiring harness) Spark plugs Tan Throttle body 3.5L VIN K, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Impala LT 2006 List of elements for 3.5L VIN K, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Impala LT 2006: 37 (behind throttle body) manifold absolute pressure (map) sensor (front lower center of engine oil pan) engine oil level switch (left front of engine, in front of throttle body) evaporative emission (evap) canister purge solenoid valve (left side of front cylinder head) engine coolant temperature (ect) sensor (on transmission to engine bolt, above starter) g111 (pins 65 to 73 not used) (under air cleaner) a/c refrigerant pressure sensor 5v ref 1 A/c refrigerant Cnstr fuse 10a Computer data lines system Cooling fans system Ect sens sig Engine control module (ecm) (inside air cleaner assembly) Evap purge sol G111 (on transmission to engine bolt, above starter) Gen turn on sig Gnd Hot at all times I/p fuse block (in right front kick panel) Ign 1 voltage Imt fan pos sig Intake manifold tuning (imt) valve solenoid (3.9l) (right side of engine in intake manifold) Lo spd cool fan Low ref Map sens sig Oil lvl sw sig Park/neutral sig Pnk S101 Ser data+ Ser data- Starting/charging system Tan Transmissions system Variable tun sig Variable tuning 3.5L VIN K, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Impala LT 2006 List of elements for 3.5L VIN K, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Impala LT 2006: 56 (below passenger front door opening, rear of right a-pillar) g302 3.9l 5v ref 1 5v ref 2 A/c clutch rly Acc ser data Acc wake up Accelerator pedal position (app) sensor (above accelerator pedal) Air conditioning system App sens 1 sig App sens 2 sig Battery Body control module (bcm) (left of steering column) Cooling fans system Early production Ecm ign fuse 10a Ecm/ tcm fuse 15a Emission 1 fuse 15a Emission 2 fuse 15a Engine control module (ecm) (inside air cleaner assembly) Etc/ecm fuse 15a Evap vent sol Evaporative emission (evap) canister vent solenoid (behind left rear wheelhouse) Exterior lights system Fuel lvl sens Fuel pmp rly Fuel pump & sender assembly (top of fuel tank) Fuel pump fuse 15a Fuel tank pressure (ftp) sensor (inside fuel tank, part of fuel pump/ sender assembly) Fuel tank sens Fuel/ pump relay G111 (on transmission to engine bolt, above starter) Hi spd cool fan Hot at all times Ign 1 volt Ign main pcb relay Inj 1 fuse 20a Inj 2 fuse 20a Instrument cluster Late production Logic Low ref Malfunction ind Mil ctrl Pnk Pwr/trn relay Pwr/trn rly ctrl Run/crnk rly Sp207 (on i/p harness, near steering column) Start rly coil Starting/charging system Stop lmp sw sig System transmissions Tan Transmissions system Underhood fuse block (mounted to right strut tower)
3.9L VIN 1 3.9L VIN 1, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Impala LT 2006 List of elements for 3.9L VIN 1, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Impala LT 2006: 50 (front of engine, above starter) knock sensor (ks) bank 1 (in exhaust system, behind catalytic converter) heated oxygen sensor (ho2s) 2 (or tan) (rear of engine, below exhaust manifold) knock sensor (ks) bank 2 (rear of engine, mounted in exhaust manifold) heated oxygen sensor (ho2s) 1 (right of starter) engine oil pressure (eop) sensor 5v ref 1 5v ref 2 B ign 1 vlt C gnd Cam pos sol Camshaft position (ckp) sensor (center of engine block above timing cover) Camshaft position actuator solenoid (top front of engine) Ckp sens sig Cmp sens sig Crankshaft position (ckp) sensor (above transaxle) Engine control module (ecm) (inside air cleaner assembly) Fuel inj 1 ctrl Fuel inj 2 ctrl Fuel inj 3 ctrl Fuel inj 4 ctrl Fuel inj 5 ctrl Fuel inj 6 ctrl G111 (on transmission to engine bolt, above starter) Gnd Ho2s hi sig 1 Ho2s lo ctrl 1 Ho2s lo ctrl 2 Ho2s lo sig 1 Ho2s lo sig 2 Iat sens sig Ic 1 ctrl Ic 2 ctrl Ic 3 ctrl Ign 1volt Ks 1 sig Ks 2 sig Low ref Maf sens Maf sens sig Mass air flow (maf)/ intake air temperature (iat) sensor (in air cleaner duct) Nca Oil pres sens Red S101 Tac mtr ctrl 1 Tac mtr ctrl 2 Tan Tp sens 1 sig Tp sens 2 sig 3.9L VIN 1, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Impala LT 2006 List of elements for 3.9L VIN 1, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Impala LT 2006: 22 Fuel injector 1 (top of engine, at number 1 cylinder intake port) Fuel injector 2 (top of engine, at number 2 cylinder intake port) Fuel injector 3 (top of engine, at number 3 cylinder intake port) Fuel injector 4 (top of engine, at number 5 cylinder intake port) Fuel injector 5 (top of engine, at number 5 cylinder intake port) Fuel injector 6 (top of engine, at number 6 cylinder intake port) G113 (on front of automatic transaxle, left of g111) Gnd Ic 1 ctrl Ic 2 ctrl Ic 3 ctrl Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition control module (icm) (top rear center of engine) Logic Low ref Pnk S109 (on fuel injector wiring harness) Spark plugs Tan Throttle body 3.9L VIN 1, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Impala LT 2006 List of elements for 3.9L VIN 1, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Impala LT 2006: 37 (behind throttle body) manifold absolute pressure (map) sensor (front lower center of engine oil pan) engine oil level switch (left front of engine, in front of throttle body) evaporative emission (evap) canister purge solenoid valve (left side of front cylinder head) engine coolant temperature (ect) sensor (on transmission to engine bolt, above starter) g111 (pins 65 to 73 not used) (under air cleaner) a/c refrigerant pressure sensor 5v ref 1 A/c refrigerant Cnstr fuse 10a Computer data lines system Cooling fans system Ect sens sig Engine control module (ecm) (inside air cleaner assembly) Evap purge sol G111 (on transmission to engine bolt, above starter) Gen turn on sig Gnd Hot at all times I/p fuse block (in right front kick panel) Ign 1 voltage Imt fan pos sig Intake manifold tuning (imt) valve solenoid (3.9l) (right side of engine in intake manifold) Lo spd cool fan Low ref Map sens sig Oil lvl sw sig Park/neutral sig Pnk S101 Ser data+ Ser data- Starting/charging system Tan Transmissions system Variable tun sig Variable tuning 3.9L VIN 1, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Impala LT 2006 List of elements for 3.9L VIN 1, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Impala LT 2006: 56 (below passenger front door opening, rear of right a-pillar) g302 3.9l 5v ref 1 5v ref 2 A/c clutch rly Acc ser data Acc wake up Accelerator pedal position (app) sensor (above accelerator pedal) Air conditioning system App sens 1 sig App sens 2 sig Battery Body control module (bcm) (left of steering column) Cooling fans system Early production Ecm ign fuse 10a Ecm/ tcm fuse 15a Emission 1 fuse 15a Emission 2 fuse 15a Engine control module (ecm) (inside air cleaner assembly) Etc/ecm fuse 15a Evap vent sol Evaporative emission (evap) canister vent solenoid (behind left rear wheelhouse) Exterior lights system Fuel lvl sens Fuel pmp rly Fuel pump & sender assembly (top of fuel tank) Fuel pump fuse 15a Fuel tank pressure (ftp) sensor (inside fuel tank, part of fuel pump/ sender assembly) Fuel tank sens Fuel/ pump relay G111 (on transmission to engine bolt, above starter) Hi spd cool fan Hot at all times Ign 1 volt Ign main pcb relay Inj 1 fuse 20a Inj 2 fuse 20a Instrument cluster Late production Logic Low ref Malfunction ind Mil ctrl Pnk Pwr/trn relay Pwr/trn rly ctrl Run/crnk rly Sp207 (on i/p harness, near steering column) Start rly coil Starting/charging system Stop lmp sw sig System transmissions Tan Transmissions system Underhood fuse block (mounted to right strut tower)
5.3L VIN C 5.3L VIN C, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Impala LT 2006 List of elements for 5.3L VIN C, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Impala LT 2006: 65 (below throttle body) engine oil pressure (eop) sensor (bottom of oil pan) engine oil level switch (on transmission to engine bolt, below starter) g111 (rear of engine, mounted in exhaust manifold) heated oxygen sensor (ho2s) 1 (under throttle actuator control (tac) module) valve lifter oil manifold assembly 12v ref 5v ref 1 5v ref 2 A tan B tan Camshaft position (ckp) sensor (in timing cover, to left of water pump pulley) Ckp sens sig Cmp sens sig Crankshaft position (ckp) sensor (at end of crankshaft, behind harmonic balancer) Cylinder shutoff solenoid 1 Cylinder shutoff solenoid 2 Cylinder shutoff solenoid 3 Cylinder shutoff solenoid 4 Cylinder sol 1 Cylinder sol 2 Cylinder sol 3 Cylinder sol 4 Ect sens sig Engine control module (ecm) (inside air cleaner assembly) Evap sol ctrl Fuel inj 1 ctrl Fuel inj 2 ctrl Fuel inj 3 ctrl Fuel inj 4 ctrl Fuel inj 5 ctrl Fuel inj 6 ctrl Fuel inj 7 ctrl Fuel inj 8 ctrl G111 (on transmission to engine bolt, below starter) Gen field duty Gen turn on Gnd Ho2s hi sens 1 Ho2s lo sens 1 Ho2s lo sig 1 Ic 1 ctrl Ic 2 ctrl Ic 3 ctrl Ic 4 ctrl Ic 5 ctrl Ic 6 ctrl Ic 7 ctrl Ic 8 ctrl Knock sensor (ks) bank 1 (lower left rear of engine block) Knock sensor (ks) bank 2 (rear of engine, below exhaust manifold) Ks 1 sig Ks 2 sig Low ref Nca Oil lvl sw sig Red S101 Start rly coil Starting/charging system Tac mtr ctrl 1 Tac mtr ctrl 2 Tan Throttle body Tps 1 sig Tps 2 sig 5.3L VIN C, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Impala LT 2006 List of elements for 5.3L VIN C, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Impala LT 2006: 43 (on front of automatic transaxle, left of g111) g113 (on ignition control module wiring harness) (top of engine, at number 1 cylinder) ignition coil 1 (top of engine, at number 2 cylinder) ignition coil 2 (top of engine, at number 3 cylinder) ignition coil 3 (top of engine, at number 4 cylinder) ignition coil 4 (top of engine, at number 5 cylinder) ignition coil 5 (top of engine, at number 6 cylinder) ignition coil 6 (top of engine, at number 7 cylinder) ignition coil 7 (top of engine, at number 8 cylinder) ignition coil 8 Fuel injector 1 (top of engine, at 1 cylinder intake port) Fuel injector 2 (top of engine, at 2 cylinder intake port) Fuel injector 3 (top of engine, at 3 cylinder intake port) Fuel injector 4 (top of engine, at 4 cylinder intake port) Fuel injector 5 (top of engine, at 5 cylinder intake port) Fuel injector 6 (top of engine, at 6 cylinder intake port) Fuel injector 7 (top of engine, at 7 cylinder intake port) Fuel injector 8 (top of engine, at 8 cylinder intake port) G113 (on front of automatic transaxle, left of g111) Gnd Ic 1 ctrl Ic 2 ctrl Ic 3 ctrl Ic 4 ctrl Ic 5 ctrl Ic 6 ctrl Ic 7 ctrl Ic 8 ctrl Ign 1 vlt Low ref Nca Pnk Red S106 S107 (on ignition control module wiring harness) S108 (in engine wiring harness, approximately 5 cm (2 in) from breakout to fuel injector 3) S109 (in engine wiring harness, approximately 5 cm (2 in) from breakout to fuel injector 4) S130 S131 S132 (on ignition control module wiring harness) S133 (on ignition control module wiring harness) Spark plug Tan 5.3L VIN C, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Impala LT 2006 List of elements for 5.3L VIN C, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Impala LT 2006: 28 (at brake booster) brake booster vacuum sensor (in air cleaner duct) mass air flow (maf)/ intake air temperature (iat) sensor (in exhaust system, behind catalytic converter) heated oxygen sensor (ho2s) 2 (left front of engine at cylinder 1) engine coolant temperature (ect) sensor (on intake manifold, near fuel injectors) evaporative emission (evap) canister purge solenoid valve (on throttle body) manifold absolute pressure (map) sensor (pins 52 to 56 not used) (under air cleaner) a/c refrigerant pressure sensor 5v ref 1 A/c clutch rly Air conditioning system Brake boost sig Engine control module (ecm) (inside air cleaner assembly) G111 (on transmission to engine bolt, below starter) Gnd Ho2s hi sens 2 Ho2s htr lo 2 Ho2s lo sens 2 Iat sens sig Ign 1 vlt Low ref Maf sens Maf sens sig Nca Park/neutral sig Tan Transmissions system Vss 5.3L VIN C, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Impala LT 2006 List of elements for 5.3L VIN C, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Impala LT 2006: 55 5v ref 1 A/c refrigerant Acc ser data Acc wake up Accelerator pedal position (app) sensor (above accelerator pedal) App sens 1 sig App sens 2 sig Battery Body control module (bcm) (left of steering column) Cnstr fuse 10a Computer data lines system Cooling fans system Early production Ecm ign fuse 10a Ecm/ tcm fuse 15a Emission 1 fuse 15a Emission 2 fuse 15a Engine control module (ecm) (inside air cleaner assembly) Etc/ecm fuse 15a Evap vent sol Evaporative emission (evap) canister vent solenoid (behind left rear wheelhouse) Exterior lights system Fuel lvl sens Fuel pmp rly Fuel pump & sender assembly (top of fuel tank) Fuel tank pressure (ftp) sensor (inside fuel tank, part of fuel pump/ sender assembly) Fuel/ pump fuse 15a Fuel/ pump relay G111 (on transmission to engine bolt, below starter) G302 (below passenger front door opening, rear of right a-pillar) Hi spd cool fan Hot at all times I/p fuse block (in right front kick panel) Ign 1 volt Ign main pcb relay Inj 1 fuse 20a Inj 2 fuse 20a Instrument cluster Late production Lo spd cool fan Logic Low ref Malfunction ind Mil ctrl Pnk Pwr/trn relay Pwr/trn rly ctrl Run/crnk rly Ser data + Ser data - Sp207 (on i/p harness, near steering column) Stop lmp sw sig Tan Transmissions system Underhood fuse block (mounted to right strut tower)
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Back-up Lamps Wiring Diagram for Chevrolet Impala LT 2006: 20 (sedan: on body harness, approximately 24 cm (9.5 in) from breakout to c405) (coupe: on body harness, approximately 7 cm (2.75 in) from breakout to c405) s324 Backup lamp sply volt Battery positive volt Body control module (bcm) (left of steering column) Chmsl/ backup fuse 10a Computer data lines system Coupe Exterior lights circuit G202 (on right side of steering column below c201) G302 (below passenger front door opening, rear of right "a" pillar) Ground Hot at all times Inside rearview mirror Left backup lamp Logic Low speed serial data Right backup lamp S485 Sedan Underhood fuse block (mounted to right strut tower) Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006: 61 (mounted to right strut tower) underhood fuse block 5 volt ref Auto Batt positive volt Body control module (bcm) (left of steering column) Brake pedal position sensor (right side of brake pedal bracket) C2 c2 C2 j2 C2 k2 C2 k5 C2 k6 C3 c1 Chmsl sply volt Computer data lines system G100 (behind right headlamp, on frame) G101 (behind left headlamp, on frame) G202 (on right side of steering column below c201) Hazard Hazard sw sig Head Headlamp switch Hot at all times Ign Instrument panel cluster (ipc) Left Left emergency vehicle rear window panel lamp Left front marker lamp Left front park/ turn signal lamp Left turn indicator Left turn sw sig Lf turn sig lamp Logic Low ref Lr stop/turn lamp Lt park fuse 10a Lt t/sig fuse 15a Nca Off Park Park lamp sw sig Park lp pcb relay Park lp rly ctrl Red Rf turn sig lamp Right Right emergency vehicle rear window panel lamp Right front marker lamp Right front park/ turn signal lamp Right turn indicator Right turn sw sig Rr stop/turn lamp Rt park fuse 10a Rt t/sig fuse 15a S126 S127 S214 Serial data Stop lamp sw sig Tan Turn signal/ multifunction switch W/ police Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006: 28 (3.5l/3.9l) (5.3l) (coupe) (on left tail lamp harness) s470 (on right tail lamp harness) s431 (sedan) Center high mounted stop lamp (chmsl) Coupe Engine control module (ecm) (inside air cleaner assembly) G302 (below passenger front door opening, rear of right a-pillar) Left backup lamp Left rear marker lamp Left tail lamp Left tail/ stop & turn signal lamp License lamp Right backup lamp Right rear marker lamp Right tail lamp Right tail/ stop & turn signal lamp S105 (5.3l: in engine wiring harness, approximately 5.5 cm (2.25 in) from breakout to starter) (except 5.3l: in engine wiring harness, approximately 5 cm (2.0 in) from breakout towards starter) S430 (sedan: on rear body harness, approximately 14 cm (5.5 in) from breakout to right license lamp) (coupe: on rear body (harness, approximately 10 cm (4 in) from breakout to right backup lamp) S485 S487 S488 S901 (coupe) s376 (sedan) Sedan Stop lamp sw sig Transmission control module (tcm) (left side of engine compt in with air cleaner)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Impala LT 2006 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Chevrolet Impala LT 2006: 82 (mounted to right strut tower) underhood fuse block (sedan: approximately 8.5 cm (3.5 in) from breakout to c311) 3.9l 5.3l A/c compressor cluster Ambient light sensor Automatic transaxle B c1 Battery Body control module (bcm) Brake fluid level switch C1 d C100 C2 c1 Coupe Data link connector (dlc) Dome lamp Dome/ reading lamp Driver door lock Driver door lock actuator switch Driver door lock cylinder switch Driver door lock switch Driver outside rearview mirror Driver seat adjuster switch Driver window switch Engine control module (ecm) Engine oil level switch Except 5.3l From breakout to left front door speaker) Fuel/ pump relay G102 (near battery) G111 (on transmission to engine bolt, above starter) G113 (on front of automatic transaxle, left of g111) G202 (on right side of steering column below c201) G301 (below driver door opening, rear of left "a" pillar) Garage door opener Headlamp switch Heated seat control module Hvac control module If equipped Ign main pcb relay Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Ignition coil 7 Ignition coil 8 Ignition control module (icm) Inflatable restraint passenger air bag on/off switch Inside rearview mirror Instrument panel cluster (ipc) Intake manifold tuning (imt) valve solenoid Left rear door lock Left vanity mirror lamp Mass air flow (maf)/ intake air temperature (iat) sensor Nca Outside rearview mirror switch Police Radio Reading lamp assembly Remote control door lock receiver (rcdlr) Right vanity mirror lamp S130 (on ignition control module wiring harness) S131 (on ignition control module wiring harness) S390 (sedan: approximately 53 cm (21 in) from breakout to dome lamp) (coupe: approximately 34 cm (13.5 in) from breakout to dome lamp Sedan Strtr relay Sunroof motor Theft deterrent exciter module Theft deterrent system To window switch) Transmission control module (tcm) Transmission internal mode switch (ims) Turn signal/ multi-function switch Turn signal/multifunction switch) W/ dual reading lamp W/ front heated seats W/ theft deterrent system W/o dual reading lamp W/o theft deterrent system Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Impala LT 2006 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Chevrolet Impala LT 2006: 54 (8 in) from breakout to passenger's door lock switch) (in right front kick panel) i/p fuse block (late produc -tion) door unlock diode (late produc -tion) driver door diode (late produc -tion) driver door unlock diode (late produc -tion) trunk diode A/t shift lock control solenoid Auxiliary power outlet seat Breakout to right front speaker) C1 j1 Center high mounted stop lamp (chmsl) Door lock pcb relay Door unlock pcb relay Driver door unlock pcb relay Front 2 auxiliary power outlet Front auxiliary power outlet Front passenger door lock Front passenger door lock switch Front passenger window switch Fuel pump & sender assembly G302 (coupe) (below passenger front door opening, rear of right "a" pillar) G302 (sedan) (below passenger front door opening, rear of right "a" pillar) If equipped Inflatable restraint front passenger presence system (pps) module Inflatable restraint sensing & diagnostic module (sdm) Left back-up lamp Left rear marker lamp Left tail lamp Left tail/stop & turn signal lamp License lamp Nca Passenger door lock actuator Passenger door lock switch Passenger outside rearview mirror Passenger seat adjuster switch Passenger window switch Rap relay Rear auxiliary power outlet Rear compartment lid ajar switch Rear compartment lid release actuator Right back-up lamp Right rear door lock Right rear marker lamp Right tail lamp Right tail/stop & turn signal lamp S375 S375 (on body harness, approximately 15 cm (6 in) from breakout to inflatable restraint sensing & diagnostic module) S376 S485 (approximately 10 cm (4 in) from breakout to license lamp) S487 (on left tail lamp harness) S488 (on right tail lamp harness) Trunk relay W/ floor console W/o floor console Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Impala LT 2006 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Chevrolet Impala LT 2006: 77 (above accelerator pedal) seo fuse block (in steering wheel harness, behind inflatable restraint steering wheel module) (mounted to right strut tower) underhood fuse block (not used) (on forward lamp wiring harness, (right side of dash, next to g200) (sedan) inflatable restraint passenger air bag on/off indicator Audio amplifier B b B1 c2 Blower motor control processor Brake control module (ebcm) C275 e C277 Cooling fan right diode (late production) Data link connector (dlc) Digital radio receiver Driver information center (dic) switch Fan 2 relay G100 (behind right headlamp, on frame) G101 (behind left headlamp, on frame) G115 (5.3l: lower front of engine, under cylinder 5 exhaust port) (except 5.3l: on transmission case, below brake booster) G200 (front of dash, left of g204) G201 (front of dash, above g202) G204 G403 (coupe: in rear compartment, near left "c" pillar) (sedan: on left side of package shelf, near "c" pillar) G404 (coupe: on right "c" pillar, near connector c430) (sedan: on right side of package shelf, near "c" pillar) Headlamp flasher module Hood ajar switch Horn assembly Horn switch contacts Hvac control module If equipped Ignition lock cylinder control actuator Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Left auxiliary power outlet Left front fog lamp Left front marker lamp Left front park/ turn signal lamp Left high beam headlamp Left i/p courtesy lamp Left low beam headlamp Left steering wheel controls Nca Police Rear defog relay Rear window defogger grid Right auxiliary power outlet Right cooling fan Right front fog lamp Right front marker lamp Right front park/turn signal lamp Right high beam headlamp Right i/p courtesy lamp Right low beam headlamp Right steering wheel controls S124 S126 (on right head lamp assembly wiring harness) S127 (on left head lamp assembly wiring harness) S215 Seo 1 relay Seo 2 relay Vehicle communications interface module (vcim) W/ cruise control accessory steering wheel control W/ headlamp flasher W/ keyless entry W/o cruise control accessory steering wheel control W/o floor shifter W/o headlamp flasher Windshield washer fluid level switch Windshield washer fluid pump Windshield wiper motor Wipe high diode (late production) Wipe low diode (late production) Wiper pcb relay Wiper/ washer motor diode (late production)
HEADLIGHTS Headlights Wiring Diagram, with Police Option for Chevrolet Impala LT 2006 List of elements for Headlights Wiring Diagram, with Police Option for Chevrolet Impala LT 2006: 60 (not used) Amb lmp sens sig Ambient light sensor (top center of dash) Auto Body control module (bcm) (left of steering column) Computer data lines system Dimmer sw hi bm sig Drl 1 fuse 15a Drl 2 fuse 15a Drl pcb relay Drl pcb rly ctrl Fog lamp ind Fog lamp switch Fog lamps fuse 1oa Fog lmp rly ctrl Fog lmp sw sig Fog lp pcb relay Ftp Ftp sw sig G100 (behind right headlamp, on frame) G101 (behind left headlamp, on frame) G202 (on right side of steering column below c201) G202 (on right side of steering column below c201) Gmlan ser data Hdlp mdl fuse 15a Head Headlamp off sw Headlamp on sw Headlamp switch Hi beam rly ctrl High High beam ind High beam pcb relay Hot at all times Ign Instrument panel cluster (ipc) Left front fog lamp Left high beam headlamp Left low beam headlamp Lo spd gmlan ser data Logic Low Low beam pcb relay Low beam rly ctrl Lt hi beam fuse 10a Lt lo beam fuse 10a Off Park Rear lmp flash sig Right front fog lamp Right high beam headlamp Right low beam headlamp Rt hi beam fuse 10a Rt lo beam fuse 10a S124 S128 S129 S214 Turn signal/ multifunction switch (inside steering column, below inflatable restraint steering wheel module coil) Underhood fuse block (mounted to right strut tower) Headlights Wiring Diagram, without Police Option for Chevrolet Impala LT 2006 List of elements for Headlights Wiring Diagram, without Police Option for Chevrolet Impala LT 2006: 67 (behind right headlamp, on frame) g100 Amb lmp sens sig Ambient light sensor (top center of dash) Auto Batt pos volt Body control module (bcm) (left of steering column) Computer data lines system Dimmer sw hi bm sig Drl 1 fuse 15a Drl 2 fuse 15a Drl pcb relay Drl pcb rly ctrl Flasher sig Fog lamp ind Fog lamp switch Fog lamps fuse 10a Fog lmp rly ctrl Fog lmp sw sig Fog lp pcb relay Ftp Ftp sw sig G100 (behind right headlamp, on frame) G101 (behind left headlamp, on frame) G202 (on right side of steering column below c201) G202 (on right side of steering column below c201) Gmlan ser data Gnd Hdlp mdl fuse 15a Head Headlamp flasher module (w/ flasher headlamp) (at left side of right headlamp assembly) Headlamp off sw Headlamp on sw Headlamp switch Hi beam rly ctrl Hi beam sply volt High High beam ind High beam pcb relay Hot at all times Ign Instrument panel cluster (ipc) Left front fog lamp Left high beam headlamp Left low beam headlamp Lo spd gmlan ser data Logic Low Low beam pcb relay Low beam rly ctrl Lt hi beam fuse 10a Lt lo beam fuse 10a Off Park Rear lmp flash sig Right front fog lamp Right high beam headlamp Right low beam headlamp Rt hi beam fuse 10a Rt lo beam fuse 10a S124 S128 S129 S214 Turn signal/ multifunction switch (inside steering column, below inflatable restraint steering wheel module coil) Underhood fuse block (mounted to right strut tower) W/ flasher headlamp W/o flasher headlamp
HORN Horn Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Horn Wiring Diagram for Chevrolet Impala LT 2006: 24 (police: approximately 12.5 cm (5 in) from brake pedal position sensor towards c201) (except police: approximately 7.5 cm (3 in) from breakout to brake pedal position sensor) Body control module (left of steering column) C275 C277 Early production F tan G100 (behind right headlamp, on frame) G201 (front of dash, above g202) Horn assembly (below right headlamp) Horn fuse 15a Horn pcb relay Horn relay ctrl Horn switch contacts Hot at all times Inflatable restraint steering wheel module coil (in steering column behind steering wheel) Late production Nca S124 S215 (w/ accessory steering wheel) S228 Splice pack sp207 (on i/p harness, near steering column) Tan Tan b Underhood fuse block (mounted to right strut tower)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Instrument Cluster Wiring Diagram for Chevrolet Impala LT 2006: 87 (left of steering column) body control module (bcm) 3.5l/3.9l 5-volt ref 5.3l A pnk Abs indicator Air bag indicator Air bag/ display fuse 10a Batt pos volt Brake fluid level switch (mounted under center of brake fluid reservoir) Brake indicator Brake warning ind ctrl Charging ind Class 2 serial data Computer data lines system Cruise control indicator Customi- zation Dic select menu sw sig Dic sw low ref Dic sw sig Display fuse 10a Driver information center (dic) Driver information center (dic) switch Early production Engine control module (ecm) (inside air cleaner assembly) Engine controls system Engine coolant temp gage Engine coolant temp ind Engine oil level switch (3.5l & 3.9l: front lower center of engine oil pan) (5.3l: bottom of oil pan) Engine oil pressure (eop) sensor (5.3l: below throttle body) (3.5l/3.9l: right of starter) Fog lamp ind Fuel gage Fuel level sensor Fuel lvl sens sig Fuel pump & sender assembly (top of fuel tank) G111 (3.5l/3.9l: on transmission to engine bolt, above starter) (5.3l: on transmission to engine bolt, below starter) G201 (front of dash, above g202) G202 (on right side of steering column below c201) Gmlan serial data+ Gmlan serial data- Gnd High beam indicator Hot at all times Hot w/ ign main pcb relay energized Ign 1 volt Ign voltage Illum (4 bulb) Instrument panel cluster (ipc) Interior lights system Km/h indicator Late production Left turn indicator Logic Low ref Low spd gmlan serial data Low tire pressure ind Low washer fluid ind ctrl Malfunction indicator lamp (mil) Message center Mph indicator Oil level ind Oil press sens Park brake sw sig Park brake switch (part of park brake assembly) Pass air bag off ind ctrl Pass air bag on ind ctrl Pass seat belt ind ctrl Pnk Right turn indicator S101 S218 S239 Seat belt indicator Security ind Service brake system check brake fluid Set/ reset Speedometer Splice pack sp206 (on i/p harness, near steering column) Stability control off ind Tachometer Tan Trip/ fuel Underhood fuse block (mounted to right strut tower) Vehicle infor- mation Warning system Wiper/washer system Xx tire ok xx psi xx tire low xx psi xx tire high xx psi check tire pressure service tire monitor
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Courtesy Lamps Wiring Diagram for Chevrolet Impala LT 2006: 65 (below driver door opening, rear of left a-pillar) g301 (below passenger front door opening, rear of right a-pillar) g302 (on body harness, approximately 24 cm (9.5 in) from breakout to c311) s359 (on right side of steering column below c201) g202 (police: approximately 45.5 cm (18 in) from breakout to c409) (except police: approximately 17 cm (6.5 in) from breakout to c430) Base Battery positive voltage Body control module (bcm) (left of steering column) Computer data lines system Courtesy lp sply volt Courtesy lp sw on sig Dome/ reading lamp Driver door lock (rear of driver door) Emergency vehicle rear compartment lid lamps relay (if equipped) (right front of rear compartment) Front passenger door lock (rear of passenger door) G200 (front of dash, left of g204) G301 (below driver door opening, rear of left a-pillar) G302 (below passenger front door opening, rear of right a-pillar) Gmlan serial data Headlamp switch Hot at all times Htd/ seat fuse 20a I/p fuse block (in right front kick panel) Inadvertant courtesy lp Inside rearview mirror Int lights fuse 10a Int lts/ pnl dim fuse 15a Left emergency vehicle rear compartment lid lamp (if equipped) Left i/p courtesy lamp Left rear door lock (rear of left rear door) Left spot lamp Left vanity mirror lamp (if equipped) Lf door open sw sig Lid ajar sw Lt spot fuse 15a Nca Off Open Pass door open sw sig Reading lamp assembly (w/ police) Rear compartment Rear compartment courtesy lamp Rear compartment lid release actuator (center of deck lid) Right emergency vehicle rear compartment lid lamp (if equipped) Right i/p courtesy lamp Right rear door lock (rear of right rear door) Right spot lamp Right vanity mirror lamp (if equipped) Rt spot fuse 15a S269 (on i/p wiring harness, approximately 6.5 cm (2.5 in) from breakout to data link connector) S303 S375 S390 S393 (on roof wiring harness, approximately 38 cm (15.25 in) from breakout to dome lamp) S417 (on body harness, approximately 32 cm (12.75 in) from breakout to left seat belt pretensioner) S474 S505 S604 S901 Tan Underhood fuse block (mounted to right strut tower) Uplevel W/ dual reading lamps W/ high altitude W/o dual reading lamps Instrument Illumination Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Instrument Illumination Wiring Diagram for Chevrolet Impala LT 2006: 46 (below driver door opening, rear of left a-pillar) g301 (front of dash, above g202) g201 (in i/p wiring harness, approximately 37.5 cm (15 in) from 3rd breakout to brake pedal position sensor) s282 (police: on i/p wiring harness, approximately 30.5 cm (12.5 in) from third breakout to brake pedal position sensor) (except police: on i/p wiring harness, approximately 11.5 cm (4.5 in) from second breakout to brake pedal position sensor) Battery positive voltage Body control module (bcm) (left of steering column) C275 C277 Chmsl/ backup fuse 10a Computer data lines system Driver door lock switch Driver information center (dic) switch Driver window switch Early production Front passenger door lock switch Front passenger window switch G201 (front of dash, above g202) G202 (on right side of steering column below c201) G302 (below passenger front door opening, rear of right a-pillar) Gmlan serial data H4 c4 Headlamp switch Hot at all times Hvac control module (center of dash) I/p lamp dimmer sw sig Illum Inflatable restraint steering wheel module coil (in steering column behind steering wheel) Instrument panel cluster (ipc) Int lts/ pnl dim fuse 15a Ip dimming voltage ref Late production Led dimming sply Left steering wheel controls Nca Outside rearview mirror switch Radio Right steering wheel controls S203 S215 S308 (in body wiring harness, approximately 14 cm (5.5 in) from breakout to g301) S504 S506 (on driver door trim wiring harness, approximately 11 cm (4.25 in) from breakout to driver's window switch) S608 (on front passenger door trim wiring harness, approximately 6.5 cm (2.5 in) from front window switch) Splice pack sp207 (on i/p harness, near steering column) Strg wheel fuse 2a Underhood fuse block (mounted to right strut tower)
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Chevrolet Impala LT 2006 List of elements for Power Distribution Wiring Diagram (1 of 4) for Chevrolet Impala LT 2006: 99 (2.75 in) from second breakout to c302) (sedan: approximately 10 cm (4 in) from second breakout to c302) (coupe: approximately 7 cm (in right front kick panel) i/p fuse block (mounted to right strut tower) underhood fuse block (not used) A/t shift lock control solenoid assembly Abs mtr1 fuse 60a Abs mtr2 fuse 60a Air bag fuse 10a Amp fuse 25a Audio amplifier (w/ performance audio & 8 speaker system) Aux fuse 20a B3 c1 Batt 1 fuse 60a Batt 2 fuse 60a Batt 4 fuse 30a Battery Blower motor control processor Body control module (bcm) C (coupe) C1 c1 C122 C3 b1 C302 C4 d2 Cable pro fuse 200a Cnstar fuse 10a Coupe Digital radio receiver Door lock pcb relay Door unlock pcb relay Dr/lck fuse 25a Driver door unlock pcb relay Driver seat adjuster switch Driver window switch E (sedan) Ecm/ tcm fuse 15a Electronic brake control module (ebcm) (w/ abs) Emergency vehicle rear compartment lid lamps relay Engine control module (ecm) Evaporative emission (evap) canister vent solenoid From pwr/mir j fuse (diagram 1 of 4) Front passenger window switch G302 (below passenger front door opening, rear of right a-pillar) Garage door opener Generator Hdlp mdl fuse 15a Headlamp flasher module Heated seat control module Htd/ seat fuse 20a I/p fuse block (in right front kick panel) If equipped Inflatable restraint front passenger presence system (pps) module Inflatable restraint sensing & diagnostic module (sdm) Inside rearview mirror Int lts/ pnl dim fuse 15a Onstar fuse 10a Outside rearview mirror switch Passenger seat adjuster switch Passenger window switch Police Pwr/mir fuse 2a Pwr/seat circuit breaker 25a Pwr/wndw circuit breaker 25a Radio Radio fuse 20a Rap fuse 10a Rap relay Red S/roof fuse 20a S311 S375 Sedan Starter Sunroof motor Tan To auxiliary power outlet (diagram 2 0f 4) To fusible link (diagram 2 of 4) To rt t/sig fuse (diagram 2 of 4) To s/roof fuse (diagram 1 of 4) Transmission control module (tcm) Trunk relay Vehicle communication interface module (vcim) W/ 8 way driver seat adjuster W/ digital radio W/ driver seat adjuster W/ dual reading lamps & power sliding roof W/ dual reading lamps & w/o power sliding roof W/ floor shifter W/ front heated seats W/ garage door opener w/o onstar W/ headlamp flasher W/ onstar & garage door opener W/ onstar w/o garage door opener W/ passenger seat adjuster W/ power sliding roof & w/o dual reading lamps W/o 8 way driver seat adjuster W/o headlamp flasher Power Distribution Wiring Diagram (2 of 4) for Chevrolet Impala LT 2006 List of elements for Power Distribution Wiring Diagram (2 of 4) for Chevrolet Impala LT 2006: 61 (in automatic transaxle wiring harness, red approximately 9.5 cm (3.8 in) from connector c100) s115 (on i/p wiring harness, pnk approximately 5 cm (2 in) from second breakout to brake pedal position sensor) s239 1-2 shift solenoid valve 2-3 shift solenoid valve 30a 5 cm (2 in) from breakout to c340) 50a Air bag/ display fuse 10a Automatic transaxle Aux pwr fuse 25a Body control module (bcm) C1 j3 C100 C2 e2 C4 k1 Circuit breaker Coupe Early production Ecm ign fuse 10a Engine control module (ecm) From aux fuse (diagram 1 of 4) From hdlp mdl a fuse (diagram 1 of 4) From underhood fuse block (diagram 1 of 4) Front 2 auxiliary power outlet Front auxiliary power outlet G111 (3.5l & 3.9l: on transmission to engine bolt, above starter) (5.3l: on transmission to engine bolt, below starter) G200 (front of dash, left of g204) G201 (front of dash, above g202) G302 (below passenger front door opening, rear of right a-pillar) Harness, approximately Hvac control module Ign main pcb relay Inflatable restraint passenger air bag on/off indicator (coupe) Inflatable restraint passenger air bag on/off indicator (sedan) Inflatable restraint sensing & diagnostic module (sdm) Instrument panel cluster (ipc) Late production Left auxiliary power outlet (sedan w/o floor console) Lt t/sig fuse 15a Pnk Police Pwr drop/ crank fuse 10a Rear auxiliary power outlet Red Right auxiliary power outlet (sedan w/o floor console) Rt t/sig fuse 15a S101 S231 S238 S375 Seat auxiliary power outlet Sedan w/ floor console Sedan w/o floor console Seo 1 relay Seo 2 relay Splice pack sp206 (on i/p harness, near steering column) To chmsl/backup fuse (diagram 3 of 4) Torque converter clutch (tcc) solenoid valve Trans fuse 10a Transmission control module (tcm) Underhood fuse block (mounted to right strut tower) Power Distribution Wiring Diagram (3 of 4) for Chevrolet Impala LT 2006 List of elements for Power Distribution Wiring Diagram (3 of 4) for Chevrolet Impala LT 2006: 58 (mounted to right strut tower) underhood fuse block (not used) A/c cmprsr relay Acc Acc volt Battery positive volt Bcm fuse 10a Body control module (bcm) C201 Chmsl/ backup fuse 10a Data link connector (dlc) Display fuse 10a Drl pcb relay Early production Fan 1 fuse 30a Fan 1 relay Fan 2 fuse 30a Fan 3 relay Fog lp pcb relay From ign main c pcb relay (diagram 2 of 4) From rt spot d fuse (diagram 3 of 4) Fuel/ pump relay High beam pcb relay Horn pcb relay Hvac control module Ign 1 volt Ign key resistor sig Ignition switch Instrument panel cluster (ipc) Int lights fuse 10a Key in ignition switch Late production Left spot lamp Low beam pcb relay Lt spot fuse 15a Nca Off On/off/ crank volt Park lp pcb relay Pnk Police Rear defog relay Remote control door lock receiver (rcdlr) Right spot lamp Rt spot fuse 15a Run Rvc sen fuse 10a S204 (on steering column harness, between bcm connector c1 & ignition switch) Splice pack sp206 (on i/p harness, near steering column) Start Strtr relay Theft deterrent exciter module To drl pcb relay (diagram 3 of 4) To pwr/trn relay (diagram 4 of 4) Wiper high pcb relay Wiper pcb relay Wpr fuse 25a Ws wash pcb relay Power Distribution Wiring Diagram (4 of 4) for Chevrolet Impala LT 2006 List of elements for Power Distribution Wiring Diagram (4 of 4) for Chevrolet Impala LT 2006: 55 (5.3l) (except 5.3l) (in engine wiring harness, approximately 5 cm (2 in) from breakout to fuel injector 3) s108 (in engine wiring harness, approximately 5 cm (2 in) from breakout to fuel injector 4) s109 (not used) (on fuel injector wiring harness) s109 (on ignition control module wiring harness) s106 (on ignition control module wiring harness) s107 3.9l 5.3l A/c cmprsr relay C102 Cylinder shutoff solenoid 1 Cylinder shutoff solenoid 2 Cylinder shutoff solenoid 3 Cylinder shutoff solenoid 4 Emissions 1 fuse 15a Emissions 2 fuse 15a Engine control module (ecm) Etc/ecm fuse 15a Evaporative emission (evap) canister purge solenoid valve Except 5.3l Fan 1 relay Fan 2 relay Fan 3 relay From a/c cmprsr relay (diagram 3 of 4) From inj 2 fuse g (diagram 4 of 4) Fuel injector 1 Fuel injector 2 Fuel injector 3 Fuel injector 4 Fuel injector 5 Fuel injector 6 Fuel injector 7 Fuel injector 8 Heated oxygen sensor (ho2s) Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Ignition coil 7 Ignition coil 8 Ignition control module (icm) Inj 1 fuse 20a Inj 2 fuse 20a Intake manifold turning (imt) valve solenoid (3.9l) Mass air flow (maf)/ intake air temperature (iat) sensor Nca Pnk Pwr/trn relay To emissions 1 fuse (diagram 4 of 4) Underhood fuse block (mounted to right strut tower) Valve lifter oil manifold assembly (5.3l)
POWER DOOR LOCKS Power Door Locks Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006 List of elements for Power Door Locks Wiring Diagram (1 of 2) for Chevrolet Impala LT 2006: 70 (below driver door opening, rear of left "a" pillar) (below passenger front door opening, rear of right "a" pillar) g302 (late production) door lock diode (late production) door unlock diode (late production) driver door unlock diode (left "a" pillar) (if equipped) remote control door lock receiver windshield antenna (under defroster grill panel) remote control door lock receiver (rcdlr) Ajar Ajar sw sig Antenna sig B3 c4 Body control module (bcm) (left of steering column) C1 j1 Closed Coax Computer data lines system Display fuse 10a Door lock pcb relay Door unlock pcb relay Dr/lck fuse 25a Driver door lock switch Driver door unlock pcb relay Early production Exterior lights system Front passenger door lock switch G1 c2 G100 (behind right headlamp, on frame) G202 (on right side of steering column below c201) G301 G302 (below passenger front door opening, rear of right "a" pillar) Ground Ground distribution system Headlights system Hi beam relay Hood ajar sw Hood ajar switch (w/ rke) (part of hood latch) Hood closed sw Horn rly ctrl Horns system Hot at all times I/p fuse block (in right front kick panel) Interior lights system Late production Lf open sw sig Lid ajar sw sig Lock Lock rly ctrl Lock sig Pass dr open sw Police Power distribution system Prk lmp rly ctrl Rear compartment lid release switch Rf ajar sw sig Rvc sen fuse 10a S124 S218 S375 S376 S474 (approximately 45.5 cm (18 in) from breakout to c409) S504 S604 Serial data Splice pack sp206 (on i/p harness, near steering column) Tan Underhood fuse block (mounted to right strut c3 tower) Underhood fuse block (mounted to right strut tower) Unlock Unlock rly ctrl Unlock sig Power Door Locks Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006 List of elements for Power Door Locks Wiring Diagram (2 of 2) for Chevrolet Impala LT 2006: 41 (below driver door opening, rear of left "a" pillar) g301 (on body wiring harness, approximately 5 cm (2 in) from breakout to c313) s315 Air bag/ display fuse 10a Ajar Base Computer data lines system Door lock actuator Door lock ajar indicator switch Door lock open indicator switch Driver door lock (rear of driver door) Driver information center (dic) Drv door open lr door open pass door open rr door open Early production Front passenger door lock (rear of passenger door) G302 (below passenger front door opening, rear of right "a" pillar) Hot w/ ign main pcb relay energized Ign Ign 1 vol Instrument panel cluster (ipc) K4 c4 Late production Left rear door lock (rear of left rear door) Logic Low speed gmlan serial data Open Pnk Power distribution system Right rear door lock (rear of right rear door) S239 S303 S314 (on body wiring harness, approximately 16 cm (6.5 in) from breakout to c313) S359 (on body harness, approximately 24 cm (9.5 in) from breakout to c311) S375 S505 S604 Security ind Splice pack sp206 (on i/p harness, near steering column) Tan Theft attempted Underhood fuse block (mounted to right strut tower) Uplevel
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Electrochromic Mirror Wiring Diagram for Chevrolet Impala LT 2006: 28 Acc volt Ambient sensor (windshield side) B1 c1 Bare Body control module (bcm) (left of steering column) Cellular sig Drain wire G301 (below driver door opening, rear of left "a" pillar) Gnd Green led sig Headlamp sensor (mirror side) Hot w/ rap relay energized I/p fuse block (in right front kick panel) Inside rearview mirror Interior lights system Keypad sig Left mirror switch Logic Microphone Onstar key pad Rap fuse 10a Red led sig Res to daytime refle -ctivity in reverse Right mirror switch S324 S390 Supp volt c6 Vehicle communication interface module (vcim) (mounted to rear of left rear wheelhouse) Power Mirrors Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Power Mirrors Wiring Diagram for Chevrolet Impala LT 2006: 17 Defogger system Driver Driver outside rearview mirror G301 (below driver door opening, rear of left "a" pillar) Hot at all times I/p fuse block (in right front kick panel) Interior lights system Left/ right Nca Outside rearview mirror switch Pass Passenger outside rearview mirror Pwr/mir fuse 2a S504 (sedan) S505 Tan Up/ down
POWER SEATS Heated Seats Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Heated Seats Wiring Diagram for Chevrolet Impala LT 2006: 33 Batt pos volt C1 g1 Class 2 serial data Cushion element sply volt Cushion temp sensor sig Dr seat back element ctrl Driver back heated seat element (under upholstery of driver seat back) Driver heated seat high indicator Driver heated seat low indicator Driver heated seat switch Driver seat heated seat element G301 (below driver door opening, rear of left "a" pillar) Gmlan sensor data Ground Heated seat control module (under driver seat) Hot at all times Htd/seat fuse 20a Hvac control module (center of dash) I/p fuse block (in right front kick panel) Logic Passenger back heated seat element (under upholstery of passenger seat back) Passenger heated seat high indicator Passenger heated seat low indicator Passenger heated seat switch Passenger seat heated seat element Pnk Seat back element ctrl Seat element sply volt Seat temp sensor signal Sensor low ref Splice pack sp205 (clipped to inner i/p structure, to right of steering column) Tan Temp sensor low ref Power Seat Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Power Seat Wiring Diagram for Chevrolet Impala LT 2006: 36 A a B b Back C f C1 d1 D c Driver seat adjuster motor assembly (below driver seat) Driver seat adjuster switch Driver seat recline motor (w/ 8-way power seat) (attached to right side of driver seat back) Except 8-way F e Forward Front down Front up Front vertical motor G301 (below driver door opening, rear of left "a" pillar) G302 (below passenger front door opening, Horizontal motor Hot at all times I/p fuse block (in right front kick panel) J g K h Passenger seat adjuster motor assembly (below front passenger seat) Passenger seat adjuster switch Power seat Pwr/ seat circuit breaker 25a Rear down Rear of right "a" pillar) Rear up Rear vertical motor Rearward S303 S311 (coupe) S375 Tan W/ 8-way power seat
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Power Top/Sunroof Wiring Diagram for Chevrolet Impala LT 2006: 18 Accessory voltage Battery positive voltage Close G301 (below driver door opening, rear of left a-pillar) Ground Hot at all times Hot w/ rap relay energized I/p fuse block (in right front kick panel) Open/vent Rap fuse 10a S/roof fuse 20a S364 (w/ dual reading lamps & inside rear view light sensitive) S390 Sunroof motor (front center of sunroof module) Sunroof switch Sunroof switch close signal Sunroof switch low reference Sunroof switch open signal
POWER WINDOWS Power Windows Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Power Windows Wiring Diagram for Chevrolet Impala LT 2006: 23 (in body harness, approximately 16.5 cm (6.5 in) from breakout to c301) s307 Down Driver window motor (center of driver door) Driver window switch Express down Express logic Front passenger window motor (center of front passenger door) Front passenger window switch G301 (below driver door opening, rear of left "a" pillar) G302 (below passenger front door opening, rear of right "a" pillar) Hot w/ rap relay energized I/p fuse block (in right front kick panel) Illumination Interior lights system Left rear window motor (center of left rear door) Left rear window switch Pwr/wndw circuit breaker 25a Right rear window motor (center of right rear door) Right rear window switch S504 S604 Tan Window lock out switch
RADIO Radio Wiring Diagram, Police Option (1 of 2) for Chevrolet Impala LT 2006 List of elements for Radio Wiring Diagram, Police Option (1 of 2) for Chevrolet Impala LT 2006: 42 (not used) (on right side of steering column below c201) g202 Antenna radio sig Antenna sig Audio common sig Bare Battery C2 g2 Coax Drain wire Gmlan serial data Ground Hot at all times Interior lights system L audio sig (+) Led dimming sig Left front door speaker Left front tweeter speaker Left rear speaker Lf speaker output (+) Lf speaker output (-) Lr speaker output (+) Lr speaker output (-) Nca Pnk Radio Radio antenna module (left of back window) Radio fuse 20a Radio rear window antenna Rf speaker output (+) Rf speaker output (-) Right front door speaker Right front tweeter speaker Right rear speaker Rr speaker output (+) Rr speaker output (-) Sply volt Tan Underhood fuse block (mounted to right strut tower) Vehicle communication interface module (vcim) (if equipped) (mounted to rear of left rear wheelhouse) W/ wiring provision W/o wiring provision Radio Wiring Diagram, Police Option (2 of 2) for Chevrolet Impala LT 2006 List of elements for Radio Wiring Diagram, Police Option (2 of 2) for Chevrolet Impala LT 2006: 22 (on steering wheel harness, behind inflatable restraint steering wheel module) Body control module (bcm) (left of steering column) C275 e C277 e Cruise control system Ctrl sig Inflatable restraint steering wheel module coil (in steering column behind steering wheel) Left front door speaker Left front tweeter speaker Left rear speaker Nca Right front door speaker Right front tweeter speaker Right rear speaker Right steering wheel controls S213 Serial data Splice pack sp 205 (clipped to inner i/p structure, to right of steering column) Sply volt Tan W/ wiring provision W/o wiring provision Radio Wiring Diagram, with Amplifier for Chevrolet Impala LT 2006 List of elements for Radio Wiring Diagram, with Amplifier for Chevrolet Impala LT 2006: 72 (on right side of steering column below c201) g202 (on steering wheel harness, behind inflatable restraint steering wheel module) Amp fuse 25a Antenna radio sig Antenna sig Audio amplifier (center of rear compt) Audio common sig Bare Battery Body control module (bcm) (left of steering column) C2 g2 C275 e C277 e Coax Cruise control system Ctrl sig D2 c1 Drain wire Gmlan serial data Ground Hot at all times I/p fuse block (in right front kick panel) Inflatable restraint steering wheel module coil (in steering column behind steering wheel) Interior lights system L audio sig (+) Led dimming sig Left audio sig (+) Left audio sig (-) Left front door speaker Left front tweeter speaker Left rear speaker Left sub spkr out (+) Left sub spkr out (-) Lf audio sig (+) Lf audio sig (-) Lf spkr out (+) Lf spkr out (-) Lr audio sig (+) Lr audio sig (-) Lr spkr out (+) Lr spkr out (-) Nca Pnk Radio Radio antenna module (left of back window) Radio audio mute sig Radio fuse 20a Radio rear window antenna Rf audio sig (+) Rf audio sig (-) Rf spkr out (+) Rf spkr out (-) Right audio sig (+) Right audio sig (-) Right front door speaker Right front tweeter speaker Right rear speaker Right steering wheel controls Right sub spkr out (+) Right sub spkr out (-) Rr audio sig (+) Rr audio sig (-) Rr spkr out (+) Rr spkr out (-) S213 Satellite radio circuit Serial data Splice pack sp 205 (clipped to inner i/p structure, to right of steering column) Sply volt Tan Underhood fuse block (mounted to right strut tower) Vehicle communication interface module (vcim) (if equipped) (mounted to rear of left rear wheelhouse) Radio Wiring Diagram, without Amplifier for Chevrolet Impala LT 2006 List of elements for Radio Wiring Diagram, without Amplifier for Chevrolet Impala LT 2006: 55 (on right side of steering column below c201) g202 (on steering wheel harness, behind inflatable restraint steering wheel module) Antenna radio sig Antenna sig Audio common sig Bare Battery Body control module (bcm) (left of steering column) C275 e C277 e Coax Cruise control system Ctrl sig Drain wire G2 c2 Gmlan serial data Ground Hot at all times Inflatable restraint steering wheel module coil (in steering column behind steering wheel) Interior lights system L audio sig (+) Led dimming sig Left audio sig (+) Left audio sig (-) Left front door speaker Left front tweeter speaker (sedan) Left rear speaker Lf speaker output (+) Lf speaker output (-) Lr speaker output (+) Lr speaker output (-) Nca Pnk Radio Radio antenna module (left of back window) Radio fuse 20a Radio rear window antenna Rf speaker output (+) Rf speaker output (-) Right audio sig (+) Right audio sig (-) Right front door speaker Right front tweeter speaker (sedan) Right rear speaker Right steering wheel controls Rr speaker output (+) Rr speaker output (-) S213 Satellite radio circuit Serial data Splice pack sp 205 (clipped to inner i/p structure, to right of steering column) Sply volt Tan Underhood fuse block (mounted to right strut tower) Vehicle communication interface module (vcim) (if equipped) (mounted to rear of left rear wheelhouse) Satellite Radio Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Satellite Radio Wiring Diagram for Chevrolet Impala LT 2006: 22 (sedan: on right side of package shelf, near "c" pillar) (coupe: on right "c" pillar, near connector c430) g404 Antenna sig Bare Battery Cellular & digital radio antenna (top rear center of roof) Coax Computer data lines system Digital radio receiver (mounted to rear of right rear wheelwell) Drain wire Ground Hot at all times I/p fuse block (in right front kick panel) L aud sig (+) L aud sig (-) L audio sig (+) Onstar fuse 10a R aud sig (+) R aud sig (-) R audio sig (+) R audio sig (-) Radio Serial data
SHIFT INTERLOCK Ignition Lock Solenoid Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Ignition Lock Solenoid Wiring Diagram for Chevrolet Impala LT 2006: 10 (closed in park) (front of dash, above g202) g201 A/t shift lock control solenoid (under center console) Ground distribution system Hot w/ rap relay energized I/p fuse block (in right front kick panel) Ignition lock cylinder control actuator (in steering column) Ignition lock cylinder control switch Power distribution system Rap fuse 10a Shift Interlock Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Shift Interlock Wiring Diagram for Chevrolet Impala LT 2006: 33 (except 5.3l: on transmission to engine bolt, above starter) (5.3l: on transmission to engine bolt, below starter) g111 (front of dash, above g202) (left of steering column) (right side of brake pedal bracket) brake pedal position sensor 5 volt ref 5.3l except 5.3l A/t shift lock control solenoid (attached to right side of steering column) A/t shift lock control solenoid (under center console) Automatic transaxle Battery positive voltage Body control module (bcm) Computer data Computer data lines system Engine control module (ecm) (inside air cleaner assembly) G201 G302 (below passenger front door opening, Gmlan serial data bus (+) Gmlan serial data bus (-) Gmlan serial data bus (-) c1 Hot at all times Lines system Low ref Park/neutral sig c3 Rear of right a-pillar) Rvc sen fuse 10a S101 S375 Stop lamp sw sig Tan Transmission internal mode switch (ims) Underhood fuse block (mounted to right strut tower) W/ floor shifter W/o floor shifter
STARTING/CHARGING Charging Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Charging Wiring Diagram for Chevrolet Impala LT 2006: 43 (on positive battery cable) battery current sensor 5.3l Batt + Battery Battery indicator Body control module (bcm) (left of steering column) Cable pro fuse 200a Computer data lines system Current sensor low ref Current sensor sig Display fuse 10a Driver information center (dic) Early production Engine control module (ecm) (inside air cleaner assembly) Except 5.3l G102 (near battery) G111 (3.5l & 3.9l: on transmission to engine bolt, above starter) (5.3l: on transmission to engine bolt, below starter) G202 (on right side of steering column below c201) Generator Generator field duty cycle sig Generator turn on sig Gnd Hi spd gmlan serial data + Hi spd gmlan serial data - High spd gmlan serial data + High spd gmlan serial data - Hot at all times Instrument panel cluster (ipc) Late production Lo spd gmlan serial data Logic Low spd gmlan serial data Pnk Power distribution system Red Rvc sen fuse 10a S218 Service battery charging system Sp206 (on i/p harness, near steering column) Starter Tan Underhood fuse block (mounted to right strut tower) Volt Starting Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Starting Wiring Diagram for Chevrolet Impala LT 2006: 29 5.3l Acc Battery Body control module (bcm) (left of steering column) Computer data lines system Engine control module (ecm) (inside air cleaner assembly) Except 5.3l G102 (near battery) G111 (3.5l & 3.9l: on transmission to engine bolt, above starter) (5.3l: on transmission to engine bolt, below starter) Ground distribution system Hi spd gmlan serial data + Hi spd gmlan serial data - Ign key resistor sig Ignition switch Logic Off Off/run/crank voltage Power distribution system Red Run S101 Start Starter Starter relay coil control Strtr fuse 40a Strtr relay Tan Tan/ Underhood fuse block (mounted to right strut tower)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 3) for Chevrolet Impala LT 2006 List of elements for Supplemental Restraints Wiring Diagram (1 of 3) for Chevrolet Impala LT 2006: 66 (approximately 5 cm (2 in) from second breakout to brake pedal position sensor) (below passenger front door opening, rear of right a-pillar) g302 (not used) (or 5223) (or 5224) (or 5225) (or 5226) Air bag fuse 10a Air bag/ display fuse 10a Battery Computer data lines system Driver seat belt switch (inside driver seat belt buckle) Early production Gmlan serial data Ground High control stage 1 High control stage 2 High ctrl i/p stage 1 High ctrl i/p stage 2 Hot at all times Hot in run or start I/p fuse block (in right front kick panel) Ignition 1 voltage Inflatable restraint sensing & diagnostic L high ctrl seat belt L high ctrl side impact L low ctrl seat belt L low ctrl side impact L sig seat pos sens Late production Left inflatable restraint front end sensor (front left of car, rear of front fascia, left of hood latch) Left inflatable restraint side impact sensor (sis) (if equipped) (in driver door) Left low ref Left seat belt pretensioner (at base of "b" pillar) Left sig side imp sens Left signal Logic Low control stage 1 Low control stage 2 Low ctrl i/p stage 1 Low ctrl i/p stage 2 Low reference Module (sdm) (under front passenger seat, under carpet) Nca Passenger seat belt switch (inside front passenger seat belt buckle) Pnk Power distribution system R high ctrl seat belt R high ctrl side impact R low ctrl seat belt R low ctrl side impact R sig seat pos sens R volt side imp sens Right inflatable restraint front end sensor (front right of car, rear of front fascia, right of hood latch) Right inflatable restraint side impact sensor (sis) (if equipped) (in front passenger door) Right low ref Right seat belt pretensioner (at base of "b" pillar) Right sig side imp sens Right signal S239 Seat belt sw left sig Seat belt sw right sig Shorting bar Splice pack sp206 (near steering column) Tan Underhood fuse block (mounted to right strut tower) Supplemental Restraints Wiring Diagram (2 of 3) for Chevrolet Impala LT 2006 List of elements for Supplemental Restraints Wiring Diagram (2 of 3) for Chevrolet Impala LT 2006: 12 Coupe Inflatable restraint i/p wheel module (right side of instrument panel, above i/p compartment) Left inflatable restraint side impact module (on left side of driver seat back) seat back) Left roof rail module (mounted on left "c" pillar) Pnk Right inflatable restraint side impact module (on right side of front passenger seat back) Right roof rail module (mounted on right "c" pillar) Sedan Shorting bar Tan W/ roof side inflatable restraint W/o roof side inflatable restraint Supplemental Restraints Wiring Diagram (3 of 3) for Chevrolet Impala LT 2006 List of elements for Supplemental Restraints Wiring Diagram (3 of 3) for Chevrolet Impala LT 2006: 42 Air bag Air bag off ind ctrl Air bag on ind ctrl Battery Computer data lines system Coupe G201 (front of dash, above g202) G301 (below driver door opening, rear of left a-pillar) G302 (below passenger front door opening, rear of right a-pillar) Ground Ign Ignition 1 volt Ind Inflatable restraint front passenger presence system (pps) module (under front passenger seat) Inflatable restraint front passenger presence system sensor (in front passenger seat cushion) Inflatable restraint passenger air bag on/off indicator Inflatable restraint steering wheel module (center of steering wheel) Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Logic Low reference Low speed gmlan serial data Occupant pre sens Pass seat belt ten Pass seat belt tension sens signal Passenger air bag off indicator control Passenger air bag on indicator control Passenger seat belt indicator control Passenger seat belt tension sensor (part of buckle assembly) Pnk Pre sensor sig Reference volt S390 (on roof wiring harness, approximately 34 cm (13.5 in) from breakout to dome lamp) Seat belt ind ctrl Sedan Sens ref volt Sensor ref volt Sensor signal Serial data Shorting bar Signal Tan
TRANSMISSION A/T Wiring Diagram for Chevrolet Impala LT 2006 List of elements for A/T Wiring Diagram for Chevrolet Impala LT 2006: 68 (inside air cleaner assembly) engine control module (ecm) (sedan: on i/p wiring harness, approximately 4 cm (1.5 in) from breakout to remote control door lock receiver towards dlc) (coupe: on i/p wiring harness, approximately 5 cm (2 in) from breakout to data link connector (dlc) 1-2 shift solenoid (1-2 ss) valve 1-2 ss valve ctrl 2-3 shift solenoid (2-3 ss) valve 2-3 ss valve ctrl 5.3l A/t transmission fluid pressure manual valve position switch Acc ser data Acc wake up data At iss high sig At iss lo sig Automatic transaxle Automatic transmission fluid temperature (tft) sensor Automatic transmission input shaft speed (at iss) sensor Battery vol Body control module (left of steering column) Computer data lines system Early production Ecm/tcm fuse 15a Engine controls system Except 5.3l G111 (except 5.3l :on transmission to engine bolt, above starter) (5.3l: on transmission to engine bolt, below starter) Ground Hi spd gmlan + Hi spd gmlan - Hot at all times Hot in run or start Ign 1 volt Instrument panel cluster (ipc) Late production Logic Low ref Message center P/n sig Pc sol vlv hi ctrl Pc sol vlv lo ctrl Pnk Power distribution system Pressure control (pc) solenoid valve Prnd321 Red S101 (except 5.3l: approximately 7 cm (2.75 in) from breakout to g113) (5.3l: approximately 5 cm (2 in) from breakout to g112) S115 S259 Serial data Sig hi front Sig lo front Splice pack sp207 (on i/p harness, near steering column) Stop lamp sw Stp lamp Stp lamp switch Tan Tan b Tcc pwn sol vol Tcc release sw sig Tft sensor sig Torque converter clutch (tcc) solenoid valve Trans fuse 10a Trans ran sig b Trans sig a Trans sig c Trans sig p Transmission control module (tcm) (left side of engine compartment in with air cleaner) Transmission internal mode switch(ims) Underhood fuse block (mounted to right strut tower) Vehicle spd sig Vehicle speed sensor (vss) (right side of transaxle, near right axle shaft)
TRUNK, TAILGATE, FUEL DOOR Trunk Release Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Trunk Release Wiring Diagram for Chevrolet Impala LT 2006: 28 (late production) trunk diode (under defroster grill panel) remote control door lock receiver (rcdlr) A5 c1 Body control module (bcm) (left of steering column) Coupe Driver information center (dic) G202 (on right side of steering column below c201) G302 (below passenger front door opening, rear of right a-pillar) Gmlan serial data c3 Ground Headlamp switch Hot at all times I/p fuse block (in right front kick panel) Instrument panel cluster (ipc) Logic Low speed gmlan serial data Rear compartment lid release actuator (center of deck lid) Release ctrl Rly ctrl S375 S376 S901 Sedan Sp205 (clipped to inner i/p structure, to right of steering column) Trunk fuse 10a Trunk open Trunk relay Trunk release switch
WARNING SYSTEMS Warning Systems Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Warning Systems Wiring Diagram for Chevrolet Impala LT 2006: 57 Acc Ajar Auto Battery positive volt Bcm fuse 10a Body control module (bcm) (left of steering column) Chmsl/ backup fuse 10a Computer data lines system Driver door lock actuator (rear of driver door) Driver information center (dic) Driver seat belt switch (inside driver seat belt buckle) G202 (on right side of steering column below c201) G301 (below driver door opening, rear of left a-pillar) Ground Head Headlamp switch Hot at all times Ignition switch Inflatable restraint passenger air bag on/off indicator Inflatable restraint sensing & diagnostic module (sdm) (under front passenger seat, under carpet) Instrument panel cluster (ipc) Int lights fuse 10a Int lts/ ws wash fuse 15a Key-in ignition switch Left front tire pressure monitor sensor Left rear tire pressure monitor sensor Left seat belt sw sig Lf door ajar sw sig Lf door open sw sig Logic Low ref Low tire pressure ind Lt t/sig fuse 15a Nca Off Off/run/crank voltage Open Park Park lamp switch on sig Pass seat belt ind Passenger seat belt switch (inside front passenger seat belt buckle) Pnk Power distribution system Remote control door lock receiver (rcdlr) (under defroster grill panel) Right front tire pressure monitor sensor Right rear tire pressure monitor sensor Right seat belt sw sig Rt t/sig fuse 15a Run Rvc sen fuse 10a Seat belt ind Serial data Solid state Start Tan Underhood fuse block (mounted to right strut tower) Xx tire ok xx psi xx tire low xx psi xx tire high xx psi check tire pressure service tire monitor
WIPER/WASHER Wiper/Washer Wiring Diagram for Chevrolet Impala LT 2006 List of elements for Wiper/Washer Wiring Diagram for Chevrolet Impala LT 2006: 56 (late production) wipe hi diode (late production) wiper wash motor diode Battery Body control module (bcm) (left of steering column) Class 2 serial data Delay switch Display fuse 10a Driver information center (dic) E2 c3 Early production G100 (behind right headlamp, on frame) G200 (front of dash, left of g204) G202 (on right side of steering column below c201) Gmlan serial data Ground H6 c2 High Hot at all times Instrument panel cluster (ipc) Int Late production Logic Low Low washer fluid ind sig Mist Off Park sw sig Park switch Pnk Rear defog relay S124 S218 Sp205 (clipped to inner i/p structure, to right of steering column) Sp206 (on i/p harness, near steering column) Speed rly ctrl c5 Tan Turn signal/ multifunction switch Underhood fuse block (mounted to right strut tower) Washer fluid low add fluid Washer switch Windshield washer fluid level switch (in lower portion of washer fluid container) Windshield washer fluid pump (in lower portion of washer fluid container) Windshield washer rly ctrl Windshield washer sw sig c1 Windshield wiper motor (in left side cowl panel, below air inlet screen) Windshield wiper sw high sig Windshield wiper sw low sig Wipe low diode (late production) Wiper high Wiper high pcb relay Wiper pcb relay Wiper rly ctrl Wiper switch Wpr fuse 25a Ws wash pcb relay Wsw fuse 10a
