Diagram sections — 34 (102 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS NAVIGATION PASSIVE RESTRAINTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 3) for Cadillac STS V 2006 List of elements for Automatic A/C Wiring Diagram (1 of 3) for Cadillac STS V 2006: 86 (in dash harn, 35 cm from c214) (in dash harn, 51 cm from left front dash speaker connector) 5 volt reference A10 A11 A12 After boil coolant pmp rel Air quality hc sens sig Air quality nox sens sig Amb air temp sens sig Ambient light sens signal Ambient light sensor sig B10 B11 B12 Battery Blower fuse 40a Blower mtr speed ctrl Blower relay Ccp fuse 10a Cmp clu relay Comp cltch fuse 10a Coolant level switch signal Drv air temp door ctrl b Drv air temp dr pos signal Drv temp door ctrl a Evap low temp sens sig Evaporator temperature sensor (inside hvac case, at evaporator core) G201 (behind right kick panel) Ground Hot at all times Hot in run or start Hot w/ run/ crank relay energized Hvac control module (in center of dash, below radio) Ignition 1 voltage Inside air temp sens sig Inside air temperature sensor (on dash, right of steering column) Interior lights system L sunload sens sig Led backlight dimming cntrl Left sunload sensor signal Low ref Low reference Low spd gmlan serial data Med blower motor ctrl Mode door ctrl a Mode door ctrl b Mode dr pos signal Nca Pass air temp door ctrl b Pass air temp dr pos sig Pass air temp motor ctrl a Pnk Power distribution system R sunload sens signal R51 R52 R53 R54 R55 R56 R57 R58 Rear air temp dr ctrl a Rear air temp dr ctrl b Rear air temp dr pos sig Rear mode door control b Rear mode dr control a Rear mode pos signal Rear mode switch sig Rear temp switch sig Recirc door ctrl a Recirc door ctrl b Recirc door pos sig Recirculation actuator (on hvac module, left of blower motor) Right sunload sensor signal S202 S210 S211 (in dash harn, 28 cm from c214) S222 (in hvac motor assembly harn) Seats system Solid state Sunload sensor (center of dash, in defroster grille) Tan Underhood fuse block (right front side of engine compartment) Wash noz/ aqs fuse 10a Automatic A/C Wiring Diagram (2 of 3) for Cadillac STS V 2006 List of elements for Automatic A/C Wiring Diagram (2 of 3) for Cadillac STS V 2006: 40 (front center of right cylinder head) (3.6l) g113 (in dash harness, 42 cm from sp201) s231 (in hvac motor assembly harness) (inside center console, on right rear side) auxiliary mode actuator (not used) s3 A/c compressor clutch Air qual hc sens Air qual nox sens Air quality sensor (if equipped) (under front facia, near front grille center) Blower controller (in the passenger compt, under the dash, behind the glove box) Blower motor (under dash, behind glove box) Blower mtr fan control Blower mtr speed ctrl Cold Def Driver air temperature actuator (left center of dash, on left side of hvac module) Dry air temp signal Front passenger air temperature actuator (right center of dash, on right side of hvac module) G100 (except 3.6l) (on rear side of right cylinder head) G104 (on right front frame rail, near bumper bracket) G201 (behind right kick panel) Ground Hot Hot w/ ign 1 relay energized Ign 1 voltage Low ref Mode actuator (on top left side of hvac module) Mode valve signal Pass air temp signal Pnk Rear passenger air temperature actuator (left center of dash, on lower left side of hvac module) Right rear fuse block (under right side of rear seat) Run/crank fuse 10a S212 (in dash harness, 38 cm from ipm c3) S223 Seats system Splice pack Tan Tan/ red Vent Automatic A/C Wiring Diagram (3 of 3) for Cadillac STS V 2006 List of elements for Automatic A/C Wiring Diagram (3 of 3) for Cadillac STS V 2006: 74 3.6l 4.4l 4.6l 5v reference A/c clutch relay ctrl A/c refrig press sensor A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line) After boil fuse 10a After boil heater pump (4.6l, w/ trailer provisions & extra capacity cooling system) After boil relay (4.6l, w/ trailer provisions & extra capacity cooling system) Ambient air temperature sensor (under front facia, near center of grille) Computer data lines system Connector) Coolant level switch (in bottom of coolant reservoir) Ect sensor signal Engine control module (ecm) (4.6l: on left front frame rail, below left headlamp assembly) Engine control module (ecm) (front of engine, on right valve cover) Engine controls system Engine coolant hot Engine coolant low level Engine coolant temperature (ect) sensor (3.6l: in center of left cylinder head) (4.6l: in rear side of right cylinder head) Except 3.6l Feed G100 (on rear side of right cylinder head) G101 (near left front strut tower, at bottom of inside fender well) G104 (on right front frame rail, near bumper bracket) Hi speed fan relay Hi speed fan relay ctrl High fan fuse 30a Hot at all times Instrument panel cluster (ipc) Left cooling fan (behind radiator) Lo speed fan relay Logic Low fan fuse 30a Low reference Low speed fan relay ctrl Message center Pnk Powertrain relay Powertrain relay ctrl R14 R15 R16 R17 R18 R19 R20 R21 R22 R26 R27 R29 R30 R39 R40 R41 R42 R47 R48 R49 R50 Radio Right cooling fan (behind radiator) Right rear fuse block (under right side of rear seat) Rtn S/p fan relay S108 (3.6l) (in engine harness, 28 cm from maf sensor connector) S120 (3.6l) (in engine poa harness, 21 cm from throttle body assembly connector) Serial data Sig Splice pack sp201 (on dash harn, under dashboard, near firewall grommet) Tan Underhood fuse block (right front side of engine compartment) Compressor Wiring Diagram for Cadillac STS V 2006 List of elements for Compressor Wiring Diagram for Cadillac STS V 2006: 37 (front center of right cylinder head) (3.6l) g113 (not used) s3 3.6l 4.4l 4.6l 5v reference A/c clutch relay ctrl A/c compressor clutch A/c refrig press sensor A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line) Cmp clu relay Comp cltch fuse 10a Computer data lines system Connector) Engine control module (ecm) (4.6l: on left front frame rail, below left headlight assembly) Engine control module (ecm) (front of engine, on right valve cover) Engine controls system Except 3.6l Feed G100 (except 3.6l) (on rear side of right cylinder head) Hot at all times Hot w/ ign 1 relay energized Low reference Pnk R55 R56 R57 R58 Right rear fuse block (under right side of rear seat) Rtn Run/crank fuse 10a S108 (3.6l) (in engine harness, 28 cm from maf sensor connector) Serial data Sig Splice pack Tan Underhood fuse block (right front side of engine compartment)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Cadillac STS V 2006: 69 (on right front corner of engine compt, behind right front wheel) electronic brake control module (ebcm) 5-volt reference A10 A11 A12 A13 A14 Abs fuse 15a Abs fuse 50a B + sol vlv cntrl B+ motor control B10 B11 B12 B13 B14 Battery Brake fluid pressure sensor sig Brake pressure modulator valve (bpmv) C10 Computer data lines system G104 (on right front frame rail, near bumper bracket) G110 (on right front frame rail, near right front strut tower) Ground Hi spd gmlan ser data + Hi spd gmlan ser data - Hi spd gmlan ser data w/u High effort ctrl Hot at all times Hot in run or start Ign 1 Lateral accelerometer signal Left front inlet Left front iso- lation Left front outlet Left front prime Left rear inlet Left rear outlet Lf wheel speed sens low ref Lf wheel speed sens sig Long accelerometer signal Low effort ctrl Low reference Lr wheel speed sens low ref Lr wheel speed sens sig Pnk R43 R44 R45 R46 Rf wheel speed sens low ref Rf wheel speed sens sig Right front inlet Right front iso- lation Right front outlet Right front prime Right rear inlet Right rear outlet Rr wheel speed sens low ref Rr wheel speed sens sig Run/ crank relay S100 Solenoid valves Steering wheel position sig a Steering wheel position sig b Tan Underhood fuse block (right front side of engine compt) Variable effort steering actuator (on left side of power steering gear) Yaw rate sensor signal Anti-lock Brakes Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Cadillac STS V 2006: 40 (3.6l: in engine harness, 30 cm from ebcm connector) (4.6l: in engine harness, 25 cm from brake pressure sensor connector) (in passenger compt, behind right kick panel) 5v ref 5v reference Abs ind Brake fluid pressure sensor (in right front corner of engine compt, on rear of ebcm) Brake pedal position sensor (attached to top of brake pedal assembly) Computer data lines system Ebcm gmlan G201 Hi spd gmlan ser data + Hi spd gmlan ser data - Hi spd gmlan ser data w/u Ign Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Interior lights system Lateral accelerometer sig Left front wheel speed sensor (wss) (behind left front brake rotor) Left rear wheel speed sensor (wss) (behind left rear brake rotor) Lo spd gmlan ser data Logic Long accelerometer sig Low ref Low reference Right front wheel speed sensor (wss) (behind right front brake rotor) Right rear wheel speed sensor (wss) (behind right rear brake rotor) S117 (in engine harness, 36 cm from ebcm connector) S118 S311 Steer wheel pos sig a Steer wheel pos sig b Steering angle sensor (on base of steering column) Tan Traction control ind Traction control switch Traction control switch (center console, below and to the right of the gearshift) Traction off ind Yaw rate & lateral acceleration sensor (under the front passenger seat) Yaw rate sens signal
ANTI-THEFT Anti-theft Wiring Diagram for Cadillac STS V 2006 List of elements for Anti-theft Wiring Diagram for Cadillac STS V 2006: 66 3.6l 4.6l A open sw sig B closed sw sig Battery positive volt Computer data lines system Door open sw sig Door open switch Driver door latch assembly (in middle rear of driver door) Driver door module (ddm) (inside driver door) Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.6l: on left front frame rail, below left headlamp assembly) Engine controls system Exterior lights system Fd1 Fd2 Front passenger door module (fpdm) (inside right front door) Fuel pump ctrl G104 (on right front frame rail, near bumper bracket) G200 (in passenger compartment, behind left kick panel) G201 (in passenger compt, behind right kick panel) G402 (in rear compt, to rear of left rear shock tower) Gmlan (rim) Gmlan serial data Ground High spd gmlan+ High spd gmlan- Hood ajar switch (on right front strut tower) Hood closed sw sig Hood open sw sig Horn ctrl Horns system Hot at all times Hot w/ ign 1 relay energized Ign Ign 1 volt Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Interior lights system Left rear door latch assembly (in middle rear of passenger door) Left rear door module (lrdm) (inside left rear door) Logic Low spd gmlan Low spd gmlan data Park lamp ctrl Passenger door latch assembly (in middle rear of left rear door) Pnk Rear compartment lid release actuator (on center rear of rear compartment lid) Rear integration module (rim) (in left side of rear compt, under rear shelf) Remote control door lock receiver (rcdlr) (under rear speaker shelf) Right rear door latch assembly (in middle rear of right rear door) Right rear door module (rrdm) (inside right rear door) Right rear fuse block (under right side of rear seat) Rim fuse 10a S11 S500 S600 S700 S800 Security ind Splice pack Starter enable Starting/ charging system Tan Trunk ajar sig Trunk diode Underhood fuse block (right front side of engine c1 compartment)
BODY CONTROL MODULES Instrument Panel Module Wiring Diagram for Cadillac STS V 2006 List of elements for Instrument Panel Module Wiring Diagram for Cadillac STS V 2006: 88 5v ref Acc ind ctrl Acc voltage Air conditioning system Anti-lock brakes system Backlight lamps ctrl Bat pos voltage Computer data lines system Courtesy lamp sw on sig Cruise control system Cruise ctrl set/coast/res/acc sw sig Current sens low ref Current sens sig Current sens sply voltage Ecm/tcm serial data wake up Electronic power steering system Exterior lights system Flash to pass sw sig Flash to pass sw sply voltage Fog lamp rly ctrl Frt fog lamp sw sig G101 (near left front strut tower, at bottom of inside fender well) G201 (in passenger compartment, behind right kick panel) Gnd Hazard sw sig Hdlamp auto high beam dim status Hdlmp auto high beam dim enable Hdlmp rly ctrl/hdlmp hi beam rly ctrl Headlamp sw headlamp on sw Headlamp washer rly ctrl Headlights system Hi/low beam rly ctrl High spd gmlan serial data (+) High spd gmlan serial data (-) High spd gmlan serial data wake up Horn rly ctrl Horns system Hot at all times Hot w/ park lamp relay energized I/p lamps dimmer sw sig Ign mode sw sply voltage Instrument cluster system Instrument panel module (ipm) (right side of dash, behind glove box) Interior lights system Ipm ign mode data sig Ipm ign mode sw ref voltage Ipm/ aldl fuse 10a Led backlight dim ctrl Lf turn sig sw sig Lic dimming fuse 7.5a Low spd gmlan serial data Mirrors system Off ind ctrl Park brake sw sig Park lamp rly ctrl Park lamp sw on voltage Pnk Power distribution system Rear fog lamp sw sig Remote radio ctrl hd acc sply voltage Rf turn sig sw sig Run ign 3 voltage Run/crank ign 1 voltage S210 Shft sel sw prk sig Shft sel sw prk sply voltage Shift interlock system Sig gnd Starter ind ctrl Starting/charging system Stop lamp sw sig Strg col radio ctl sig Strg col tilt/tele dn sw sig Strg col tilt/tele fwd sw sig Strg col tilt/tele rwd sw sig Strg col tilt/tele up sw sig Tan Tap up/dn enable sig Traction ctrl sw sig Trunk rel rly ctrl Trunk, tailgate, fuel doors system Twilight sentinel dly sig Underhood fuse block (right front side of engine compt) Volt check fuse 10a Windshield washer fluid lvl sig Windshield wiper sw on sig Windshield wiper sw sig Wiper/washer system Rear Integration Module Wiring Diagram for Cadillac STS V 2006 List of elements for Rear Integration Module Wiring Diagram for Cadillac STS V 2006: 47 Anti-theft system Bat pos voltage Computer data lines system Courtesy lamp sply voltage Courtesy lmp rly coil ctrl Defogger system Exterior lights system G402 (in rear compartment, to rear of left rear shock tower) Gnd Headlights system Hood closed sw sig Hood open sw sig Hot at all times Hot w/ ign 1 relay energized Interior lights system Interior lmp ctrl Left turn signal fuse 10a Lf turn sig lmp sply voltage Low spd gmlan serial data Lr stop/turn lmp sply voltage Lr turn signal lmp sply voltage Navigation system Pnk Power tops system Rap rly coil ctrl Rear defog rly ctrl Rear fog lamp relay control Rear integration module (rim) (left side of rear compartment, under rear shelf) Rear parking assist chime sig Rev rly coil feed Rf turn sig lmp sply voltage Right rear fuse block (under right side of rear seat) Right turn signal fuse 10a Rim fuse 10a Rr stop/turn lmp sply voltage Rr turn sig lmp sply voltage Run/crank ign 1 voltage S11 Sig gnd Splice pack Standing lmp rly feed Tan Trunk ajar sw sig Trunk rel rly output-coil Trunk, tailgate, fuel doors system Windshield eiper park mtr ctrl Wiper/washer system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for Computer Data Lines Wiring Diagram (1 of 2) for Cadillac STS V 2006: 43 (below right "c" pillar) electronic suspension (esc) control module (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) s113 (in forward lamp harness, 31 cm from right headlamp leveling actuator connector) s116 3.6l 4.6l A11 Adaptive cruise control (acc) module B10 B11 B12 Data link connector (dlc) (under left side of dash, near steering column) Data wake-up Distance sensing cruise control module (behind front fascia, near hood latch) Electronic brake control module (ebcm) (on right front corner of engine compt, behind right front wheel) Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.6l: on left front frame rail, below left headlamp assembly) From sp303 (diagram 2 of 2) G200 (in passenger compt, behind left kick panel) Headlamp leveling module High speed gmlan High speed gmlan data wake-up High speed gmlan data wakeup High speed gmlan ecm/ tcm wakeup High speed gmlan serial data bus + High speed gmlan serial data bus - Hot at all times Instrument panel module (ipm) (right side of dash, behind glove box) Ipm/ aldl fuse 10a Low speed gm lan serial data Low speed gmlan serial data Splice pack sp100 (on forward lamp harness, left of center, behind front bumper) Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Tan To sp201 (diagram 2 of 2) Transmission control module (tcm) (right front corner of engine compt, on underhood fuse block) Underhood fuse block (right front side of engine compt) Vehicle communication interface module (vcim) (in rear compt, near right rear strut tower) W/ auto adaptive cruise control W/ auto headlamps leveling W/ magnetic ride control W/ onstar W/o auto adaptive cruise control W/o auto headlamps leveling W/o magnetic ride control Computer Data Lines Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for Computer Data Lines Wiring Diagram (2 of 2) for Cadillac STS V 2006: 24 Audio amplifier (left side of luggage compt) Digital radio receiver (on right side of package shelf) Driver door module (ddm) (inside driver door) Driver door switch assembly (ddsa) From instrument panel module (ipm) (diagram 1 of 1) Front passenger door module (fpdm) (inside right front door) Head up display (hud) Hvac control module (in center of dash, below radio) If equipped Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console) Infotainment system Instrument panel cluster (ipc) Left rear door module (lrdm) (inside left rear door) Low speed gm lan serial data Memory seat module (msm) (under driver seat) Radio Rear integration module (rim) (in left side of rear compt, under rear shelf) Remote control door lock receiver (rcdlr) (under rear speaker shelf) Right rear door module (rrdm) (inside right rear door) Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Splice pack sp300 Splice pack sp303 (in passenger compt, on right frame rail, near right side of passenger seat) To vehicle communication interface module (vcim) (diagram 1 of 1) Tv antenna module
COOLING FAN Cooling Fan Wiring Diagram for Cadillac STS V 2006 List of elements for Cooling Fan Wiring Diagram for Cadillac STS V 2006: 69 (3.6l: in center of left cylinder head) (4.6l: in rear side of right cylinder head) 3.6l 4.4l 4.6l A11 After boil coolant pmp rel After boil fuse 10a After boil heater pump (4.6l, w/trailer provisions and extra capacity cooling system) (right front of engine, above exhaust manifold) After boil relay (4.6l, w/ trailer provisions & extra capacity cooling system) Computer data lines system Coolant level switch (in bottom of coolant reservoir) Coolant level switch signal Ect sensor signal Engine control module (ecm) (4.6l: on left front frame rail, below left headlight assembly) Engine control module (ecm) (front of engine, on right valve cover) Engine coolant hot Engine coolant low level Engine coolant temperature (ect) sensor Except 3.6l G100 (on rear side of right cylinder head) G101 (near left front strut tower, at bottom of inside fender well) G104 (on right front frame rail, near bumper bracket) Hi speed fan relay Hi speed fan relay ctrl High fan fuse 30a Hot at all times Hvac control module (in center of dash, below radio) Instrument panel cluster Left cooling fan (behind radiator) Lo speed fan relay Logic Low fan fuse 30a Low reference Low spd gm/lan serial data Low speed fan relay ctrl Message center Pnk Powertrain relay Powertrain relay ctrl R14 R15 R16 R17 R18 R19 R20 R21 R22 R26 R27 R29 R30 R39 R40 R41 R42 R47 R48 R49 R50 Radio Right cooling fan (behind radiator) Right rear fuse block (under right side of rear seat) S/p fan relay S120 (3.6l) (in engine poa harness 21 cm from throttle body assembly connector) Serial data Splice pack sp201 (on dash harn, under dashboard, near firewall grommet) Tan Underhood fuse block (right front side of engine compartment)
CRUISE CONTROL Adaptive Cruise Control Wiring Diagram for Cadillac STS V 2006 List of elements for Adaptive Cruise Control Wiring Diagram for Cadillac STS V 2006: 51 (below right "c" pillar) electronic suspension control (esc) module (in forward lamp harness, 31 cm from right headlamp leveling actuator connector) s116 (on dash harness, under dashboard, near firewall grommet) sp201 5v ref A11 Alert distance cruise speed limited follow distance set speed set xx mph tight curve Brake pedal position sensor (attached to top of brake pedal assembly) C276 C277 Ccp fuse 10a Clean radar cruise cruise disengage cruise not ready cruise set xx mph service radar cruise Computer data lines system Cruise control switch Distance sensing cruise control module (behind front fascia, near hood latch) Electronic brake control module (ebcm) (on right front corner of engine compt, behind right front wheel) Fuse 2a Fuse block steering column fuse box or holder G104 (on right front frame rail, near bumper bracket) Gmlan serial wake up Gmlan serial data bus + Gmlan serial data bus - Gmlan serial wake up Ground Head up display (hud) Headlights system Hot at all times Ignition 1 voltage Inflatable restraint steering wheel module coil (behind steering wheel) Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Left steering wheel controls Logic Low ref Message center Message request Nca Off Pnk Power distribution system Resume/ accel + Right steering wheel controls S225 (in steering column harness) S229 (in steering column harness) Sens sig Serial data Set/ coast Signal Tan Turn signal/ multifunction switch Underhood fuse block (right front side of engine compartment) W/ hid lamps Conventional Cruise Control Wiring Diagram for Cadillac STS V 2006 List of elements for Conventional Cruise Control Wiring Diagram for Cadillac STS V 2006: 53 (left of steering column) (near left front strut tower, at bottom of inside fender well) g101 3.6l 4.4l 4.6l 5 volt reference Alert distance cruise speed limited follow distance set speed set xx mph tight curve Brake pedal position sensor (attached to top of brake pedal assembly) Clean radar cruise cruise disengage cruise not ready cruise set xx mph service radar cruise Coast Computer data lines system Cruise control switch Cruise ind Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.6l: on left front frame rail, below left headlamp assembly) Exterior lights system Fuse 2a Fuse block steering column fuse box or holder Gmlan (ecm) Gmlan serial data Gnd Head up display (hud) Hot w/ run/crank relay energized Hud message center Ignition Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Logic Low reference Message center Message request Off Pnk Resume/ accel+ S147 (3.6l: 387 cm from c102) (4.6l: 24 cm from c102) S225 (in steering column harness) Serial data bus + Serial data bus - Set/ Set/coast & resume/accelerate sw sig Sound systems Tac motor control-1 Tac motor control-2 Tan Tcc/cruise control release sig Tcm/ ipc fuse 15a Throttle actuator control (tac) motor Throttle body assembly Throttle position (tp) sensor Tp sensor 1 signal Tp sensor 2 signal Transmission control module (tcm) Turn signal/ multifunction switch Underhood fuse block (right front side of engine compartment)
DEFOGGERS Defoggers Wiring Diagram for Cadillac STS V 2006 List of elements for Defoggers Wiring Diagram for Cadillac STS V 2006: 25 Computer data lines system Driver door module (inside driver door) Driver outside rearview mirror Feed Front passenger door module (inside right front door) Gmlan serial data Heated mirror element Hot at all times Hot in run Hvac control module (in center of dash, below radio) Logic Low reference Nca Passenger outside rearview mirror R10 Rear defog fuse 40a Rear defog relay Rear defogger indicator Rear defogger switch Rear integration module (rim) (in left side of rear compt, under rear shelf) Rear window defogger grid Relay control Right rear fuse block (under right side of rear seat) Rtn Serial data
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Cadillac STS V 2006 List of elements for Electronic Power Steering Wiring Diagram for Cadillac STS V 2006: 43 (3.6l: in engine harness, 30 cm from ebcm connector) (4.6l: in engine harness, 25 cm from brake pressure sensor connector) (on left side of power steering gear) variable effort steering actuator 5 volt reference 5v ref 5v reference Abs fuse 50a B10 B11 B12 B13 B14 Battery Brake fluid pressure sensor (in right front corner of engine compt, on rear of ebcm) Brake fluid pressure sensor sig C10 Computer data lines system Electronic brake control module (ebcm) (on right front corner of engine compt, behind right front wheel) G110 (on right front frame rail, near right front strut tower) Ground Hi spd gmlan ser data + Hi spd gmlan ser data - High effort ctrl Hot at all times Lateral accelerometer sig Lateral accelerometer signal Long accelerometer sig Long accelerometer signal Low effort ctrl Low ref Low reference S100 S117 (in engine harness, 36 cm from ebcm connector) S118 Steer wheel pos sig a Steer wheel pos sig b Steering angle sensor (on base of steering column) Steering wheel position sig a Steering wheel position sig b Tan Underhood fuse block (right front side of engine compt) Yaw rate & lateral acceleration sensor (under the front passenger seat) Yaw rate sens signal Yaw rate sensor signal
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram for Cadillac STS V 2006 List of elements for Electronic Suspension Wiring Diagram for Cadillac STS V 2006: 55 (in rear compt, to rear of right rear shock tower) (under rear of vehicle, behind right rear tire) automatic level control (alc) compressor 10a Automatic level Batt Battery voltage Computer data lines system Ecm/tcm fuse 10a Elc relay Elc relay fuse 30a Elc sol fuse Electronic suspension control (esc) module (below right "c" pillar) G401 Gmlan ser data Gmlan ser data + Gmlan ser data - Ground Hot at all times Hot w/ run relay energized Instrument panel cluster (ipc) Ipc class 2 Left front suspension damper Left front suspension position sensor (near left front strut) Left rear fuse block (under left side of rear seat) Left rear suspension damper Left rear suspension position sensor (near left rear strut) Lf damper ctrl Lf damper low ref Lf position sens Logic Lr damper ctrl Lr damper low ref Lr position sens Message center Message request Mr-rtd mod fuse 25a Nca a Nca b R10 Relay ctrl Rf damper ctrl Rf damper low ref Rf position sens Right front suspension damper Right front suspension position sensor (near right front strut) Right rear suspension damper Right rear suspension position sensor (near right rear strut) Rr damper ctrl Rr damper low ref Rr position sens Sensor low ref Service ride control Tan Underhood fuse block (right front side of engine compt) Voltage reference
ENGINE PERFORMANCE
3.6L VIN 7 3.6L VIN 7, Engine Performance Wiring Diagram (1 of 4) for Cadillac STS V 2006 List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (1 of 4) for Cadillac STS V 2006: 70 (in bottom of engine oil pan) engine oil level/temperature sensor (in engine harness, 52 cm from ho2s bank 1 sensor 2 connector) (in engine poa harness, 17 cm from ecm c1) (on left side of engine) engine oil pressure (eop) sensor (on rear of intake manifold) intake manifold runner control (imrc) solenoid 5 volt ref a 5 volt ref b 5 volt ref c Bare Ckp sensor sig Cmp exhaust 1 Cmp exhaust 2 Cmp intake 1 Cmp intake 2 Crankshaft position (ckp) sensor (on left side of engine) Ect sig Engine control module (ecm) (front of engine, on right valve cover) Evap purge Fuel injectors G103 (top right side of engine, fastened to ecm case) G113 (front center of right front cylinder head) Gen fdc sig Gen turn on sig Ground Heated oxygen sensor bank 1 sensor 1 (on right exhaust pipe) Heated oxygen sensor bank 1 sensor 2 (on right exhaust pipe) Heated oxygen sensor bank 2 sensor 1 (on left exhaust pipe) Heated oxygen sensor bank 2 sensor 2 (on left exhaust pipe) Ho2s heat ctrl Ho2s input pump Ho2s low ref Ho2s pump cur Ho2s ref volt Ic 1 ctrl Ic 2 ctrl Ic 3 ctrl Ic 4 ctrl Ic 5 ctrl Ic 6 ctrl Inj 1 ctrl Inj 2 ctrl Inj 3 ctrl Inj 4 ctrl Inj 5 ctrl Inj 6 ctrl Intake man ctrl Knock sensor (bank 1) (on right side of engine) Knock sensor (bank 2) (on left side of engine) Ks 1 sig Ks 2 sig Ks low ref Low ref Manifold pos sig Nca Oil lev sig Oil pres sig Oil tmp sig Pres sens sig Red S104 S121 S136 S137 S148 Starting/ charging system Tac mtr ctrl Tan Tan a Tps 2 sig Tps sig 1 3.6L VIN 7, Engine Performance Wiring Diagram (2 of 4) for Cadillac STS V 2006 List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (2 of 4) for Cadillac STS V 2006: 56 (in engine harness, 27 cm from evap canister purge solenoid valve connector) (in engine poa harness, 18 cm from ignition coil 1 connector) (in engine poa harness, 25 cm from ignition coil 2 connector) (right rear side of engine block, near starter) Canister vent fuse 10a Ecm/tcm fuse 10a Even coils fuse 15a Fuel pump fuse 15a Fuel pump relay G104 (near bumper bracket) G109 (near right front of engine block) G112 G401 (in rear compt, to rear of right rear shock tower) Hfv6 ecm fuse 15a Hot at all times Hot in run or start Ignition coil 1 (on top front of left valve cover) Ignition coil 2 (on top front of right valve cover) Ignition coil 3 (on top center of left valve cover) Ignition coil 4 (on top center of right valve cover) Ignition coil 5 (on top rear of left valve cover) Ignition coil 6 (on top rear of right valve cover) Maf fuse 10a Nca Odd coils fuse 15a Pnk Post o2 fuse 10a Power distribution system Powertrain relay Pre o2/ cam fuse 15a R11 R12 R13 R15 R43 R44 R45 R46 R47 R48 R49 R50 Right rear fuse block (under right side of rear seat) Run/crank relay S101 S119 S125 S126 S127 S128 S129 Spark plug Splice pack Tan Tcm/ ipc fuse 15a Underhood fuse block (right front side of engine compt) 3.6L VIN 7, Engine Performance Wiring Diagram (3 of 4) for Cadillac STS V 2006 List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (3 of 4) for Cadillac STS V 2006: 21 (32 cm from throttle body assembly connector) s124 (in engine poa harness, 21 cm from throttle body assembly connector) s120 (on front of left cylinder head, lower center position) camshaft position (cmp) actuator solenoid (exhaust bank 2) (on front of left cylinder head, on left side) camshaft position sensor (exhaust bank 2) (on front of left cylinder head, on right side) camshaft position sensor (intake bank 2) (on front of left cylinder head, upper center position) camshaft position (cmp) actuator solenoid (intake bank 2) (on front of right cylinder head, lower center position) camshaft position (cmp) actuator solenoid (exhaust bank 1) (on front of right cylinder head, on left side camshaft position sensor (intake bank 1) (on front of right cylinder head, on right side) camshaft position sensor (exhaust bank 1) (on front of right cylinder head, upper center position) camshaft position (cmp) actuator solenoid (intake bank 1) +5v A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line) Barometric pressure sensor (in left rear side of upper intake manifold) Engine coolant temperature (ect) sensor (in center of left cylinder head) Evaporative emissions (evap) canister purge solenoid valve (on right side of engine, near valve cover) Low ref Mass air flow (maf) & intake air temperature (iat) sensor (in air intake duct, near throttle body) Pnk Signal Tan Throttle body assembly 3.6L VIN 7, Engine Performance Wiring Diagram (4 of 4) for Cadillac STS V 2006 List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (4 of 4) for Cadillac STS V 2006: 68 (attached to evap canister vent solenoid, at rear of fuel tank) fuel tank pressure sensor (front center of right front cylinder head) (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) (in engine harness, 36 cm from brake pressure sensor connector) (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector) (in fuel tank) fuel pump & sensor assembly (in left side of rear compt, under rear shelf) rear object sensor control module (in top left side of fuel tank) secondary fuel sender assembly +5v ref a +5v ref c 5 volt ref a A/c ref pres Accelerator pedal position (app) sensor (attached to top of accelerator pedal) Air conditioning system App sens 2 sig App sens sig 1 Automatic transmission Battery + Clutch rly ctrl Cooling fans system Data wake-up Engine control module (ecm) (front of engine, on right valve cover) Evap vent sol Evaporative emissions (evap) canister vent solenoid valve (under rear of vehicle, above rear differential) Exterior lights system Fan rly ctrl Fuel lev sens Fuel lev sig Fuel level sensor G113 G401 (in rear compt, to rear of right rear shock tower) Gmlan bus Ho2s heat ctrl Ho2s low ref Ho2s sig Iat sig Ign 1 volt Inside rearview mirror Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Lan bus + Lan bus - Logic Low ref Maf sig Main rly ctrl Malfunction indicator lamp Mil ctrl P/n sig Pnk Radio Rly ctrl S106 S107 S108 S109 S113 S406 Ser data bus Start rly ctrl Starting/ charging system Stop lp sw sig Tan Tank pres sig Transmission control module Transmission manual shift shaft switch assembly Vss sig Wake-up
4.4L VIN D 4.4L VIN D, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS V 2006 List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS V 2006: 59 (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector) (in fuel tank) fuel pump & sender assembly (in rear side of right cylinder head) (in top left side of fuel tank) secondary fuel sender assembly 5 volt ref 5 volt ref a 5 volt ref b A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line) A/c refrigerant sig Baro sens low ref Baro sensor sig Barometric pressure (baro) sensor (in left rear side of upper intake manifold) Canister vent fuse 10a Coolant pump rly ctrl Cooling fans system D tan Ect sensor sig Eng oil level sw sig Engine control module (ecm) (on left front frame rail below headlamp assembly) Engine coolant temperature (ect) sensor Evap canister ctrl Fuel level sensor Fuel pump Fuel pump fuse 15a Fuel pump relay G100 (on rear side of right cylinder head) G401 (in rear compt, to rear of right rear shock tower) Gen field duty cycle Generator turn on sig Ground Hi spd gmlan bus + Hi spd gmlan bus - Ho2s high sig Ho2s htr low ctrl Ho2s low ref Ho2s low sig Ho2s ref volt Hot at all times Iat 2 low ref Iat 2 sig Intake air temperature (iat) sensor 2 (right front center of engine top, under intake air tube) Low ref Low spd cooling fan Manifold absolute pressure (map) sensor (at top right side of engine, near baro sensor) Map sensor sig Park/neutral sig Pnk R11 R12 R13 R15 Right rear fuse block (under right side of rear seat) S406 Splice pack Starting/ charging system Starting/charging system Super charger ctrl Tan Transmissions system 4.4L VIN D, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS V 2006 List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS V 2006: 25 (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) s113 (on left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1 (on right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1 Accelerator pedal position (app) sensor (attached to top of accelerator pedal) Cac coolant pump fuse 10a Cac coolant pump relay Charge air cooler (cac) coolant pump Evaporative emissions (evap) canister purge solenoid valve Evaporative emissions (evap) canister vent solenoid (under rear of vehicle, above rear differential) From b underhood fuse block (diagram 4 of 5) G100 (on rear side of right cylinder head) Heated oxygen sensor (ho2s) bank 1 sensor 2 (on right exhaust pipe, after catalytic converter) Heated oxygen sensor (ho2s) bank 2 sensor 2 (on left exhaust pipe, after catalytic converter) Hot at all times Instrument panel module (ipm) (right side of dash, behind glove box) Left rear fuse block (under left side of rear seat) Nca Pnk Post o2 fuse 15a Pre o2/ cam fuse 15a S101 S104 Tan Transmission control module (tcm) (right front corner of eng compt, on underhood fuse block) Underhood fuse block (right front side of engine compt) 4.4L VIN D, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS V 2006 List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS V 2006: 57 (attached to evap canister vent solenoid, at rear of fuel tank) fuel tank pressure (ftp) sensor (in left front center of engine at injector 2) vacuum bypass valve (in left side of rear compt, under rear shelf) rear object sensor control module (on left front frame rail below left headlamp assembly) 5 volt ref a 5 volt ref b A tan A/c compress rly ctrl Air conditioning system App sensor 1 sig App sensor 2 sig Battery positive volt Cooling fans system Ecm/ tcm fuse 10a Engine control module (ecm) Evap canister vent ctrl Exterior lights system Fuel pump relay ctrl Fuel tank press sig G104 (on right front frame rail, near bumper bracket) Hi spd cooling fan Hot at all times Hot in run or start Ign Ign 1 volt Inside rearview mirror (isrvm) Instrument panel cluster (ipc) Logic Low ref Malfunction indicator lamp Mil ctrl Pnk Powertrain relay Powertrain rly ctrl Pressure sensor sig Primary fuel level sig R43 R44 R45 R46 R47 R48 R49 R50 Radio Run/ crank relay Second fuel level sig Starter rly coil ctrl Starting/ charging system Stop lamp sw sig Tan Tcm/ipc/ ecm fuse 15a To even coils fuse (diagram 4 of 5) Transmissions system Underhood fuse block (right front side of engine compt) V8 ecm fuse 10a Vehicle speed sig 4.4L VIN D, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS V 2006 List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS V 2006: 37 ( in ignition coil harness, 30 cm from ignition coil module 1 connector) (center of block under intake manifold) (in engine harness, 14 cm from fuel injector 7 connector) s102 (in engine harness, 16 cm from fuel injector 8 connector) s103 (in ignition coil harness, 30 cm from ignition coil module 7 connector) (in ignition coil harness, 31 cm from ignition coil module 8 connector) (in ignition coil harness, 36 cm from ignition coil module 2 connector) (on rear side of right cylinder head) g107 (under intake manifold on right side of engine block) knock sensor (ks) bank 1 5v ref B tan Ckp sig Crankshaft position (ckp) sensor D d Even coils fuse 15a From a powertrain relay (diagram 3 of 5) Fuel injectors Hfv6 ecm fuse 15a Ignition coil/ module Low ref Nca Odd coils fuse 15a Pnk Pnk a Red Red b S131 S133 S135 S142 S144 S146 Spark plug Super charger inlet air pressure (sciap) sensor Tan To post o2 fuse (diagram 2 of 5) Underhood fuse block (right front side of engine compt) 4.4L VIN D, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS V 2006 List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS V 2006: 79 (on front left of left cylinder head) (on front left of right cylinder head) (on front right of right cylinder head) (on front right of left cylinder head) (on front upper center of left cylinder head) (on left front frame rail below left headlamp assembly) (under intake manifold on left side of engine block) 5 volt ref 5 volt ref a 5v ref c Camshaft position actuator solenoid exhaust bank 1 (on front lower center of right cylinder head) Camshaft position actuator solenoid exhaust bank 2 (on front lower center of left cylinder head) Camshaft position actuator solenoid intake bank 1 (on front upper center of right cylinder head) Camshaft position actuator solenoid intake bank 2 Camshaft position sensor exhaust bank 1 Camshaft position sensor exhaust bank 2 Camshaft position sensor intake bank 1 Camshaft position sensor intake bank 2 Ckp sensor sig Cmp act sol b1 exhst Cmp act sol b1 intk Cmp act sol b2 exhst Cmp act sol b2 intk Cmp sen sig b1 intk Cmp sens exhst b1 sig Cmp sens exhst b2 sig Eng oil temp sens sig Engine control module (ecm) Engine oil level & temperature sensor (bottom center of engine oil pan) Engine oil pressure (eop) sensor (in engine compt, on left side of eng) 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 G100 (on rear side of right cylinder head) Ground Ho2s high sig Ho2s htr low ctrl Ho2s low ref Ho2s low sig Ho2s ref volt Iat sens sig Iat sensor sig 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 volt Knock sensor (ks) bank 2 Ks 1 sig Ks 2 sig Ks low ref Low ref Low ref Low ref b Maf sensor sig Mass air flow (maf)/intake air temperature (iat) sensor Oil press sens sig Oil temp sens low ref Pnk Red S151 Sen sig a Sens sig Sensor return Tac mtr ctrl 1 Tac mtr ctrl 2 Tan Throttle body assembly Tp sensor 1 sig Tp sensor 2 sig
4.6L VIN A 4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS V 2006 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS V 2006: 70 (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) s113 (in engine harness, 39 cm from brake pressure sensor connector) (in left side of rear compt, under rear shelf) rear object sensor control module 12 volt ref 12v ref 5 volt ref a 5 volt ref b A/c comp cltch rly A/c press sens sig A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line) Accelerator pedal position (app) sensor (attached to top of accelerator pedal) Air conditioning system Apps 1 sig Apps 2 sig Battery positive volt Computer data lines system Cooling fans system Data wake-up Ecm/ tcm fuse 10a Engine control module (ecm) (on left front frame rail, below left headlamp assembly) Evap vent sol ctrl Evaporative emissions (evap) canister vent solenoid (under rear of vehicle, above rear differential) Exterior lights system Fan rly ctrl Fuel pmp rly ctrl G104 (on right front frame rail, near bumper bracket) Hi spd serial data + Hi spd serial data - Hot at all times Hot in run or start Iat sensor sig Iat sig Ign Ign 1 volt Inside rearview mirror (isrvm) Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Lo spd cool fan rly Logic Low ref Maf sensor sig Main rly ctrl Malfunction indicator lamp Mass air flow (maf)/intake air temperature (iat) sensor (in air intake duct, near throttle body) Mil ctrl Pnk Power distribution system Powertrain relay R43 R44 R45 R46 R47 R48 R49 R50 Radio Run/ crank relay S105 Sens sig Starter rly coil ctrl Starting/ charging system Stop lamp sw sig Tan Tcm/ ipc fuse 15a To even coils fuse (diagram 4 of 5) Transmission control module (tcm) Underhood fuse block (right front side of engine compt) V8 ecm fuse 10a Vehicle speed sig 4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS V 2006 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS V 2006: 16 (in engine harness, 34 cm from c102) s104 (on left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1 (on right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1 Engine coolant temperature (ect) sensor (in rear side of right cylinder head Engine oil pressure (eop) sensor (on left side of engine) Evaporative emissions (evap) canister purge solenoid valve (on rear of engine, near throttle body) From b underhood fuse block (diagram 4 of 5) Heated oxygen sensor (ho2s) bank 1 sensor 2 (on right exhaust pipe, after catalytic converter) Heated oxygen sensor (ho2s) bank 2 sensor 2 (on left exhaust pipe, after catalytic converter) Manifold absolute pressure (map) sensor (front center of engine, in back of throttle body) Nca Post o2 fuse 15a Pre o2/ cam fuse 15a S101 (in engine harness, 15 cm from fuel injector 5 connector) Tan Underhood fuse block (right front side of engine compt) 4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS V 2006 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS V 2006: 37 (attached to evap canister vent solenoid, at rear of fuel tank) fuel tank pressure (ftp) sensor (in bottom of oil pan) engine oil level switch (in fuel tank) fuel pump & sender assembly (in top left side of fuel tank) secondary fuel sender assembly 5 volt ref a A tan Canister vent fuse 10a Engine control module (ecm) (on left front frame rail, below left headlamp assembly) Ftp sens sig Fuel lev sen sig Fuel level sensor Fuel pump Fuel pump fuse 15a Fuel pump relay G100 (on rear side of right cylinder head) G401 (in rear compt, to rear of right rear shock tower) Ho2s high sig Ho2s htr low ctrl Ho2s in pmp current Ho2s low ref Ho2s low sig Ho2s out pmp current Ho2s ref volt Hot at all times Low ref Oil lev sw sig Oil pressure sen sig Park/neutral sig R11 R12 R13 R15 Right rear fuse block (under right side of rear seat) S406 (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector) Splice pack Tan Transmissions system 4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS V 2006 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS V 2006: 26 (in engine harness, 14 cm from fuel injector 7 connector) s102 (in engine harness, 16 cm from fuel injector 8 connector) s103 (in ignition coil harness, 30 cm from ignition coil module 1 connector) (in ignition coil harness, 31 cm from ignition coil module 8 connector) s135 (in ignition coil harness, 36 cm from ignition coil module 2 connector) (on rear side of right cylinder head) g107 D d Even coils fuse 15a From powertrain a relay (diagram 1 of 5) Fuel injectors Ignition coil/ module Nca Odd coils fuse 15a Pnk Pnk a Red Red b S131 S133 S142 S144 S146 Spark plug Tan To post o2 fuse (diagram 2 of 5) Underhood fuse block (right front side of engine compt) 4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS V 2006 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS V 2006: 67 (center of engine block, under intake manifold) crankshaft position (ckp) sensor low ref (on front of left cylinder head, on left side) camshaft position sensor exhaust bank 2 low ref (on front of left cylinder head, on right side) camshaft position sensor intake bank 2 (on front of right cylinder head, on left side) camshaft position sensor intake bank 1 low ref (on front of right cylinder head, on right side) camshaft position sensor exhaust bank 1 low ref (on rear side of right cylinder head) 12 volt ref 12v 5 volt ref a 5 volt ref b Camshaft position actuator solenoid exhaust bank 1 (lower center position) Camshaft position actuator solenoid exhaust bank 2 (lower center position) Camshaft position actuator solenoid intake bank 1 (upper center position) Camshaft position actuator solenoid intake bank 2 (upper center position) Ckp sen 1 sig Ckp sensor 12v ref Cmp act sol b1 exhst Cmp act sol b1 intk Cmp act sol b2 exhst Cmp act sol b2 intk Cmp sen sig b1 exhst Cmp sen sig b1 intk Cmp sen sig b2 exhst Cmp sen sig b2 intk Ect sen sig Engine control module (ecm) (on left front frame rail, below left headlamp assembly) Evap can prg 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 G100 G100 (on rear side of right cylinder head) Gen field duty cyc sig Gen turn on sig Ground 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 sen 1 sig Knock sen 2 sig Knock sensor (ks) bank 1 (on right side of engine, under intake manifold) Knock sensor (ks) bank 2 (on left side of engine, under intake manifold) Ks1 low ref Ks2 low ref Low ref Map sen sig Nca S112 Sen sig Starting/ charging system Starting/charging system Tac mtr ctrl 1 Tac mtr ctrl 2 Tan Throttle body assembly Tps 1 sig Tps 2 sig
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Cadillac STS V 2006 List of elements for Backup Lamps Wiring Diagram for Cadillac STS V 2006: 35 3.6l 4.6l Automatic transmission Computer data lines system G100 (on rear side of right cylinder head) G113 (front center of right front cylinder head) G402 (in rear compt, to rear of left rear shock tower) Hi spd ser data + Hi spd ser data - Hot at all times Left back-up lamp Left rear fuse block (under left side of rear seat) Lo spd gmlan ser data N d R36 R37 R38 R40 Rear integration module (rim) (in left side of rear compt, under rear shelf) Red d Reverse lamp fuse 10a Reverse lamp relay Reverse rly ctrl Right back-up lamp S106 S24 S25 S28 S401 Splice pack Tan Transmission control module (tcm) (right front corner of engine compt, on underhood fuse block) Transmission manual shift shaft switch assembly Trs a Trs b Exterior Lamps Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Cadillac STS V 2006: 76 (in rear compartment, to rear of left rear shock tower) g402 (near left front strut tower, at bottom of inside fender well) g101 (not used) Back light lamp Batt positive voltage Brake pedal position sensor (attached to top of brake pedal assembly) Brake sensor sig Computer data lines system Data Ext lights fuse 10a G104 (on right front frame rail, near bumper bracket) G200 (in passenger compartment, behind left kick panel) G201 (in passenger compt, behind right kick panel) Gmlan serial data Ground Hazard sw sign Hazard switch Head Head- lights system Headlamps on sig Hot at all times Ign Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Interior lights system Ipm/ aldl fuse 10a Lamp outage ind Left front turn signal lamp Left front turn signal/ fog lamp assembly (4.4l) Left front turn signal/ fog lamp assembly (4.6l & 3.6l) Left license lamp Left repeater lamp Left turn rim fuse 10a Left turn signal ind Left turn signal voltage Left turn sw sig Lic/ dimming fuse 7.5a Lo speed gmlan serial data Logic Low reference Low speed gmlan Off Park Park lamp relay Park lamp rly ctrl Park lamp sw on sig R31 R32 R33 R34 Rear integration module (rim) (in left side of rear compt, under rear shelf) Right front turn signal lamp Right front turn signal/ fog lamp assembly (4.4l) Right front turn signal/ fog lamp assembly (4.6l & 3.6l) Right license lamp Right rear fuse block (under right side of rear seat) Right repeater lamp Right turn signal ind Right turn signal voltage Right turn sw sig Rim fuse 10a S226 S311 S401 Serial Serial data Signal Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Sply volt Stop lamp sw sign To underhood fuse block lt park fuse, 10a (diagram 2 of 2) Turn signal/ multifunction switch Underhood fuse block (right front side of engine compt) Volt check fuse 10a W/ gps 1 & hid W/ hid Exterior Lamps Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Cadillac STS V 2006: 47 (in body harness, 58 cm from (in body harness, 72 cm from right rear fuse block c1) (w/ gps 1) s317 (right front side of engine compt) underhood fuse block (under right side of rear seat) right rear fuse block (w/ hid) (w/o hid) Center high mounted stop lamp (chmsl) Engine controls & transmissions systems From underhood fuse block lic/dimming fuse, 7.5a (diagram 1 of 2) G104 (on right front frame rail, near bumper bracket) G401 (in rear compt, to rear of right rear shock tower) G402 (in rear compt, to rear of left rear shock tower) Ground Hot at all times Left front park lamp Left front side marker lamp Left headlamp assembly Left rear side marker lamp Left tail lamp assembly Left tail lamp outage detection signal Logic Lt park fuse 10a Nca R36 R37 R38 R40 Right front park lamp Right front side marker lamp Right headlamp assembly Right rear fuse block c1) (w/ gps 1) s306 Right rear side marker lamp Right tail lamp assembly Right tail lamp outage detection signal Rt park fuse 10a S12 S13 S14 S400 S401 Side marker Splice pack Stop lamp relay Stop lamps fuse 10a Stop/ turn Tail W/ gps 1 & hid
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 5) for Cadillac STS V 2006 List of elements for Ground Distribution Wiring Diagram (1 of 5) for Cadillac STS V 2006: 43 (4.4l) charge air cooler (cac) coolant pump (4.4l) left heated washer nozzle (4.4l) mass air flow (maf)/ intake air temperature (iat) sensor (4.4l) right heated washer nozzle (4.6l & 4.4l) a/c compressor clutch (4.6l) after boil heater pump (4.6l) automatic transmission (4.6l) engine oil level switch 4.4l 4.6l 4.6l & 4.4l Automatic headlamp dimming relay Battery Brake fluid level switch C110 C117 Camshaft position (cmp) actuator solenoid exhaust bank 1 Camshaft position (cmp) actuator solenoid exhaust bank 2 Camshaft position (cmp) actuator solenoid intake bank 1 Camshaft position (cmp) actuator solenoid intake bank 2 Coolant level switch Electronic brake control module (ebcm) Engine control module (ecm) G100 (on rear side of right cylinder head) G101 (near left front strut tower, at bottom of inside fender well) G105 (at back of underhood fuse block) G106 (on rear side of right cylinder head) G110 (on right front frame rail, near right front strut tower) G306 (under center console) G403 (on right side "c" pillar, near rear window) G404 (on left side "c" pillar, near rear window) If equipped Inflatable restraint passenger presence system (pps) module Inflatable restraint sensing & diagnostic module (sdm) Instrument panel module (ipm) Rear window defogger Rear window keyless entry antenna S112 (under intake manifold, in valley jumper harness, near cmp actuator solenoids) S152 Transmission control module (tcm) W/ hid head- lamps Windshield wiper/ washer module Windshield/ headlamp washer motor assembly Ground Distribution Wiring Diagram (2 of 5) for Cadillac STS V 2006 List of elements for Ground Distribution Wiring Diagram (2 of 5) for Cadillac STS V 2006: 48 (right front side of engine compartment) underhood fuse block (w/ auto recirculating) air quality sensor (w/ hid headlamps) 4.4l 4.6l & 3.6l A/c compressor clutch Accessory relay Automatic transmission Distance sensing cruise control module Engine control module (ecm) G103 (3.6l) (top right side of engine, fastened to ecm case) G104 (on right front frame rail, near bumper bracket) G107 (4.6l & 4.4l) (on rear side of right cylinder head) G113 (3.6l) (front center of right front cylinder head) Headlamp leveling module Hood ajar switch Horn assembly Ignition coil/ module 1 Ignition coil/ module 2 Ignition coil/ module 3 Ignition coil/ module 4 Ignition coil/ module 5 Ignition coil/ module 6 Ignition coil/ module 7 Ignition coil/ module 8 Intake manifold runner control (imrc) valve Left front side marker lamp Left front turn signal/ fog lamp assembly Left headlamp assembly Left repeater lamp R16 R35 R46 Right cooling fan Right front side marker lamp Right front turn signal/ fog lamp assembly Right headlamp assembly Right repeater lamp Run/ crank relay S/p fan relay S106 (in engine harness, 20 cm from tcm connector) S133 (4.6l) s134 (4.4l) (4.6l: in ignition coil harness, 30 cm from ignition coil module 2 connector) S144 (4.6l) s145 (4.4l) S148 (in engine poa harness, 39 cm from g113) Transmission control module (tcm) W/ automatic adaptive cruise control W/ hid head- lamps W/o hid head- lamps Ground Distribution Wiring Diagram (3 of 5) for Cadillac STS V 2006 List of elements for Ground Distribution Wiring Diagram (3 of 5) for Cadillac STS V 2006: 45 (if equipped) heated steering wheel (if equipped) heated steering wheel control module (w/ hud) (w/o hud) i/p dimmer switch C276 C277 Data link connector (dlc) Driver door latch assembly Driver door lock switch Driver door module (ddm) Driver door switch assembly (ddsa) Driver window motor G109 (3.6l) (near right front of engine block) G112 (3.6l) (right rear side of engine block, near starter) G200 (in passenger compartment, behind left kick panel) Head up display (hud) Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Interior rear compartment lid release switch Left front door handle switch assembly Left rear door latch assembly Left rear door module (lrdm) Left rear window motor Left rear window switch Left steering wheel controls Nca Right steering wheel controls S125 (in engine poa harness, 12 cm from g109) S126 (in engine poa harness, 18 cm from g109) S129 (in engine poa harness, 17 cm from g112) S224 (in steering column harness) S226 (in steering column harness) S228 (in steering column harness) S500 (in driver door harness, 32 cm from driver window motor connector) S501 (in driver door trim harness, 47 cm from driver door lock switch connector) S700 (in left rear door harness, 32 cm from c701) Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Steering wheel control switch assembly Turn signal/ multifunction switch Ground Distribution Wiring Diagram (4 of 5) for Cadillac STS V 2006 List of elements for Ground Distribution Wiring Diagram (4 of 5) for Cadillac STS V 2006: 47 Automatic transmission shift lever assembly B11 Blower controller Console auxiliary power outlet Driver back cooled seat blower motor Driver back heated seat element Driver cushion cooled seat blower motor Driver cushion heated seat element Driver seat adjuster switch Front auxiliary power outlet Front passenger door module (fpdm) Front passenger window motor Front passenger window switch G201 (in passenger compartment, behind right kick panel) G307 (in passenger compt, to left of driver seat, on left frame rail) Hazard switch Hvac control module I/p compartment lamp switch Ignition mode switch Instrument panel module (ipm) Left front seat belt switch Memory seat module (msm) Passenger back cooled seat blower motor Passenger back heated seat element Passenger climate control seat module Passenger cushion cooled seat blower motor Passenger cushion heated seat element Passenger door latch assembly Passenger door lock switch Passenger lumbar adjuster switch Passenger seat adjuster switch Rear auxiliary hvac control module Rear auxiliary power outlet Right front door handle switch assembly Right front seat belt switch Right rear door latch assembly Right rear door module (rrdm) Right rear window motor Right rear window switch S210 (in dash harness, 35 cm from c214) S600 (in passenger door harness, 32 cm from front passenger window motor connector) S601 (in passenger door trim harness, 42 cm from passenger door lock switch connector) Traction control switch W/ front heated seats W/ power lumbar seats W/o front heated seats W/o power lumbar seats Ground Distribution Wiring Diagram (5 of 5) for Cadillac STS V 2006 List of elements for Ground Distribution Wiring Diagram (5 of 5) for Cadillac STS V 2006: 57 (if equipped) (if equipped) garage door opener (if equipped) left front door subwoofer speaker (if equipped) outside moisture sensor (if equipped) right front door subwoofer speaker (if equipped) sunroof switch (if equipped) tire pressure monitor module (under left side of rear seat) left rear fuse block (under right side of rear seat) right rear fuse block (w/ digital radio) digital radio receiver (w/ hid headlamps) inside rearview mirror (isrvm) (w/ info- tainment system 012, 014 & 015) rear subwoofer speaker (w/ info- tainment system 014 & 015) tv antenna module (w/ info- tainment system 015) (w/ magnetic ride control) electronic suspension control module (esc) (w/ onstar) vehicle communication interface module (vcim) (w/o hid headlamps) inside rearview mirror (isrvm) (wcv) wiper inhibit relay Audio amplifier Automatic level control (alc) compressor Center high mounted stop lamp (chmsl) Exterior rear compartment lid release switch Fuel pump & sender assembly Fuel pump relay G401 (in rear compt, to rear of right rear shock tower) G402 (in rear compt, to rear of left rear shock tower) Ign 1 relay Ign 3 relay Inflatable restraint i/p module indicator Left back-up lamp Left license lamp Left rear cornering/ side marker lamp Left tail lamp assembly Left vanity mirror lamp Overhead courtesy/ front reading lamps Overhead courtesy/ rear reading lamps R11 R21 R25 R36 Radio Rear compartment lid release actuator Rear heated seat module Rear integration module (rim) Rear object sensor control module Remote control door lock receiver (rcdlr) Right back-up lamp Right license lamp Right rear cornering/ side marker lamp Right tail lamp assembly Right vanity mirror lamp S400 (in rear fascia harness, 37 cm from left rear corner object sensor connector) S401 (in body harness, 15 cm from exterior rear compt release switch connector) Splice pack Stop lamp relay Sunroof control module Traffic information receiver (vics)
HEADLIGHTS Headlamps Wiring Diagram, with High Intensity Discharge for Cadillac STS V 2006 List of elements for Headlamps Wiring Diagram, with High Intensity Discharge for Cadillac STS V 2006: 75 (in dash harness, 51 cm from left front dash speaker connector) s202 (on right front frame rail, near bumper bracket) g104 4.4l 4.6l & 3.6l A11 sensor sig Air conditioning system Auto Automatic headlamp dimming relay (w/ intelligent high beam) (in underhood fuse block) B12 low ref C (not used) Computer data lines system Ext lights fuse 10a Exterior lights system Flash to pass sw sig Fog lamp Fog lamp fuse 15a Fog lamp relay Fog lamp rly ctrl Fog lamps ind Front fog lamp sw sig Front fog lamp switch Ftp G101 (near left front strut tower, at bottom of inside fender well) G104 (on right front frame rail, near bumper bracket) G200 (in passenger compt, behind left kick panel) Gmlan (ipm) Gmlan (rim) Gmlan b5 Gnd Head Headlamp on sig Hi beam sw sig High High beam High beam ind Hot at all times Hot in run or crank Hvac control module (in center of dash, below radio) Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Left front turn signal/ fog lamp assembly Left head- lamp ballast Left headlamp assembly Lights on ind Logic Low Low beam Low beam relay Low beam rly ctrl Low speed gmlan ser data Lt low beam fuse 20a Mirrors system Off Park R23 R24 R25 R26 R9 (info not available) Right front turn signal/ fog lamp assembly Right headlamp assembly Right headlamp ballast Rt low beam fuse 20a S226 Ser data Serial data c1 Smt bm fuse (optional) 10a Spare relay Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Sply volt Sply voltage Sunload sensor assembly (center of dash, in defroster grille) Turn signal/ multifunction switch Twilight sentinal display Underhood fuse block (right front side of engine compt) Headlamps Wiring Diagram, without High Intensity Discharge for Cadillac STS V 2006 List of elements for Headlamps Wiring Diagram, without High Intensity Discharge for Cadillac STS V 2006: 77 (in dash harness, 51 cm from left front dash speaker connector) s202 (info not available) (on right front frame rail, near bumper bracket) g104 4.4l 4.6l & 3.6l A11 sensor sig Air conditioning system Auto B12 low ref C (not used) Computer data lines system Ext lights fuse 10a Flash to pass sw sig Fog lamp Fog lamp fuse 15a Fog lamp relay Fog lamp rly ctrl Fog lamps ind Front fog lamp sw sig Front fog lamp switch Ftp G104 (on right front frame rail, near bumper bracket) G200 (in passenger compt, behind left kick panel) Gmlan (ipm) Gmlan (rim) Gmlan b5 Head Headlamp on sig Hi beam sw sig High High beam High beam ind High beam relay High beam rly ctrl Hot at all times Hot in run or crank Hvac control module (in center of dash, below radio) Inside rearview mirror (isrvm) Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Left front turn signal/ fog lamp assembly Left headlamp assembly Lights on ind Logic Low Low beam Low beam relay Low beam rly ctrl Low speed gmlan ser data Lt hi beam fuse 10a c1 Lt low beam fuse 20a Off Park R23 R24 R25 R26 R27 R28 R29 R30 Right front turn signal/ fog lamp assembly Right headlamp assembly Rly ctrl Rt hi beam fuse 10a Rt low beam fuse 20a S226 Ser data Serial data c1 Spare relay Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Sply voltage Sunload sensor assembly (center of dash, in defroster grille) Turn signal/ multifunction switch Twilight sentinal display Underhood fuse block (right front side of engine compt) W/ intelligent high beam Headlamps Leveling Wiring Diagram for Cadillac STS V 2006 List of elements for Headlamps Leveling Wiring Diagram for Cadillac STS V 2006: 35 Ccp fuse 10a Common return Common rtn Computer data lines system Drive 1 motor Drive 2 motor Drive 3 motor Drive 4 motor G104 (on right front frame rail, near bumper bracket) Gmlan serial data Gmlan serial data wake up Ground Headlamp leveling module Hot at all times Left front suspension position sensor (w/o magnetic ride control) (near left front strut) Left head leveling motor 1 Left head leveling motor 2 Left head leveling motor 3 Left head leveling motor 4 Left headlamp leveling actuator Left rear suspension position sensor (w/o magnetic ride control) (near left rear strut) Low ref Low reference Power distribution system Right head leveling motor 1 Right head leveling motor 2 Right head leveling motor 3 Right head leveling motor 4 Right headlamp leveling actuator Sensor sig Sensor signal Tan Underhood fuse block (right front side of engine compt) Voltage ref Voltage reference
HORN Horn Wiring Diagram for Cadillac STS V 2006 List of elements for Horn Wiring Diagram for Cadillac STS V 2006: 23 C276 C277 Fuse 2a G104 (on right front frame rail, near bumper bracket) High note horn Horn assembly Horn fuse 15a Horn relay Horn relay control Horn switch Hot at all times Inflatable restraint steering wheel module coil Inline steering column usage fuse block Instrument panel module (ipm) (right side of dash, behind glove box) Low note horn Nca R10 R11 R12 R13 Steering wheel control pad Tan Underhood fuse block (right front side of engine compartment)
INSTRUMENT CLUSTER
3.6L VIN 7 3.6L VIN 7, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for 3.6L VIN 7, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2006: 75 (not used) Abs ind Air bag fuse 10a Air bag ind Audible alarm Backlighting ctrl Backlighting ind Battery positive voltage Brake fluid level switch (in master cylinder reservoir) Brake ind Charge ind Check ind ctrl Class 2 (ecm) Clock Clock ctrl Cruise ind Dic sw low ref Dic sw sig Dic toggle sw Ecm/tcm fuse 10a Engine controls system Engine coolant temperature ind Front fog lamps ind Fuel level gauge G101 (near left front strut tower, at bottom of inside fender well) Gmlan Gmlan (ebcm) Gmlan (ecm) Gmlan (ipm) Gmlan (rim) Gmlan (sdm) Gmlan (tcm) Ground High beam ind Hot at all times Hot w/ ign 1 relay energized Hot w/ run/crank relay energized Hud fuse 10a Ign 1 voltage Inflatable restraint i/p module indicator Instrument panel cluster (ipc) Ipc Left turn ind Lights on ind Logic Low spd gmlan serial Low tire pressure ind Malfunction ind Oil level ind Pass seat belt ind Pass seat belt ind ctrl Pnk Power distribution system Right rear fuse block (under right side of rear seat) Right turn ind S18 S20 Seat belt ind Security ind Sensor signal Speedometer gauge Splice pack Sport mode ind Tachometer gauge Tap up/ down enable ind Tcm/ipc fuse 15a Temperature gauge Traction off ind Trip reset sw sig Trip reset switch Trip/ odometer Trip/odometer ctrl Underhood fuse block (right front side of engine compt) Wait to start ind (not used) Winter mode ind 3.6L VIN 7, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for 3.6L VIN 7, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2006: 51 (in engine poa harness, 17 cm from ecm c1) s121 (in fuel tank jumper tan (in fuel tank) fuel pump & sender assembly (in top left side of fuel tank) secondary fuel sender assembly 5v ref Auto Battery positive volt Computer data lines system Courtesy lmp sw on sig Eng/ met Engine controls system Engine oil pressure (eop) sensor (on left side of engine, attached to oil filter adapter housing) G200 (in passenger compartment, behind left kick panel) Gmlan serial data Ground Harness, 28 cm from fuel tank pressure sensor connector) s406 Head-up display (hud) Hud image dimming sig Hud image down sig Hud image up sig Hud message center Hud switch low ref I/p dimmer sw sig I/p dimmer switch Ign Image dn Image up Info dn Info reset Info up Instrument panel module (ipm) (right side of dash, behind glove box) Interior lights system Lo spd gmlan serial data Logic Low ref Message request Oil sw sig Park brake switch (at base of brake pedal) Pk brk sw sig Pnk S120 (in engine poa harness, 21 cm from throttle body assembly connector) Sensor sig Serial data + Serial data - Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Tan Trip a/b Trip reset W/ head-up display W/o head-up display Xxx mph/kpm check gages
4.4L VIN D 4.4L VIN D, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for 4.4L VIN D, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2006: 75 (not used) Abs ind Air bag fuse 10a Air bag ind Audible alarm Backlighting ctrl Backlighting ind Battery positive voltage Brake fluid level switch (in master cylinder reservoir) Brake ind Charge ind Check ind ctrl Class 2 (ecm) Clock Clock ctrl Cruise ind Dic sw low ref Dic sw sig Dic toggle sw Ecm/tcm fuse 10a Engine controls system Engine coolant temperature ind Front fog lamps ind Fuel level gauge G101 (near left front strut tower, at bottom of inside fender well) Gmlan Gmlan (ebcm) Gmlan (ecm) Gmlan (ipm) Gmlan (rim) Gmlan (sdm) Gmlan (tcm) Ground High beam ind Hot at all times Hot w/ ign 1 relay energized Hot w/ run/crank relay energized Hud fuse 10a Ign 1 voltage Inflatable restraint i/p module indicator Instrument panel cluster (ipc) Ipc Left turn ind Lights on ind Logic Low spd gmlan serial Low tire pressure ind Malfunction ind Oil level ind Pass seat belt ind Pass seat belt ind ctrl Pnk Power distribution system Right rear fuse block (under right side of rear seat) Right turn ind S18 S20 Seat belt ind Security ind Sensor signal Speedometer gauge Splice pack Sport mode ind Tachometer gauge Tap up/ down enable ind Tcm/ipc fuse 15a Temperature gauge Traction off ind Trip reset sw sig Trip reset switch Trip/ odometer Trip/odometer ctrl Underhood fuse block (right front side of engine compt) Wait to start ind (not used) Winter mode ind 4.4L VIN D, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for 4.4L VIN D, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2006: 55 (in bottom of oil pan) engine oil level switch (in fuel tank) fuel pump & sender assembly (in top left side of fuel tank) secondary fuel sender assembly (on rear side of right cylinder head) g100 4.4l 4.6l 5v ref Auto Battery positive volt Computer data lines system Courtesy lmp sw on sig Eng/ met Engine controls system Engine oil level & temperature sensor Engine oil pressure (eop) sensor (on left side of engine) G200 (in passenger compartment, behind left kick panel) Gmlan serial data Ground Head-up display (hud) Hud image dimming sig Hud image down sig Hud image up sig Hud message center Hud switch low ref I/p dimmer sw sig I/p dimmer switch Ign Image dn Image up Info dn Info reset Info up Instrument panel module (ipm) (right side of dash, behind glove box) Interior lights system Lo spd gmlan serial data Logic Low ref Message request Oil sw sig Park brake switch (at base of brake pedal) Pk brk sw sig Pnk Sensor sig Serial data + Serial data - Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Sw sig Tan Tan (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector) s406 Temp sensor Trip a/b Trip reset W/ head-up display W/o head-up display Xxx mph/kpm check gages
4.6L VIN A 4.6L VIN A, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for 4.6L VIN A, Instrument Cluster Wiring Diagram (1 of 2) for Cadillac STS V 2006: 75 (not used) Abs ind Air bag fuse 10a Air bag ind Audible alarm Backlighting ctrl Backlighting ind Battery positive voltage Brake fluid level switch (in master cylinder reservoir) Brake ind Charge ind Check ind ctrl Class 2 (ecm) Clock Clock ctrl Cruise ind Dic sw low ref Dic sw sig Dic toggle sw Ecm/tcm fuse 10a Engine controls system Engine coolant temperature ind Front fog lamps ind Fuel level gauge G101 (near left front strut tower, at bottom of inside fender well) Gmlan Gmlan (ebcm) Gmlan (ecm) Gmlan (ipm) Gmlan (rim) Gmlan (sdm) Gmlan (tcm) Ground High beam ind Hot at all times Hot w/ ign 1 relay energized Hot w/ run/crank relay energized Hud fuse 10a Ign 1 voltage Inflatable restraint i/p module indicator Instrument panel cluster (ipc) Ipc Left turn ind Lights on ind Logic Low spd gmlan serial Low tire pressure ind Malfunction ind Oil level ind Pass seat belt ind Pass seat belt ind ctrl Pnk Power distribution system Right rear fuse block (under right side of rear seat) Right turn ind S18 S20 Seat belt ind Security ind Sensor signal Speedometer gauge Splice pack Sport mode ind Tachometer gauge Tap up/ down enable ind Tcm/ipc fuse 15a Temperature gauge Traction off ind Trip reset sw sig Trip reset switch Trip/ odometer Trip/odometer ctrl Underhood fuse block (right front side of engine compt) Wait to start ind (not used) Winter mode ind 4.6L VIN A, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for 4.6L VIN A, Instrument Cluster Wiring Diagram (2 of 2) for Cadillac STS V 2006: 55 (in bottom of oil pan) engine oil level switch (in fuel tank) fuel pump & sender assembly (in top left side of fuel tank) secondary fuel sender assembly (on rear side of right cylinder head) g100 4.4l 4.6l 5v ref Auto Battery positive volt Computer data lines system Courtesy lmp sw on sig Eng/ met Engine controls system Engine oil level & temperature sensor Engine oil pressure (eop) sensor (on left side of engine) G200 (in passenger compartment, behind left kick panel) Gmlan serial data Ground Head-up display (hud) Hud image dimming sig Hud image down sig Hud image up sig Hud message center Hud switch low ref I/p dimmer sw sig I/p dimmer switch Ign Image dn Image up Info dn Info reset Info up Instrument panel module (ipm) (right side of dash, behind glove box) Interior lights system Lo spd gmlan serial data Logic Low ref Message request Oil sw sig Park brake switch (at base of brake pedal) Pk brk sw sig Pnk Sensor sig Serial data + Serial data - Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Sw sig Tan Tan (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector) s406 Temp sensor Trip a/b Trip reset W/ head-up display W/o head-up display Xxx mph/kpm check gages
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Cadillac STS V 2006: 36 Computer data lines system Courtesy lamp ctrl Courtesy rly ctrl Courtesy sply ctrl Front overhead courtesy/ reading lamps G201 (in passenger compt, behind right kick panel) G402 (in rear compartment, to rear of left rear shock tower) G402 (in rear compt, to rear of left rear shock tower) Gmlan serial data Hot at all times I/p compart- ment lamp I/p compartment lamp switch Interior lamp fuse 10a Interior lamp relay Left footwell courtesy lamp Left rear door courtesy lamp Left vanity mirror lamp R17 R18 R19 R20 Rear compart- ment courtesy lamp Rear compartment lid release actuator (center rear of rear compt lid) Rear integration module (rim) (in left side of rear compt, under rear shelf) Rear overhead courtesy/ reading lamps Right footwell courtesy lamp Right rear door courtesy lamp Right rear fuse block (under right side of rear seat) Right vanity mirror lamp S210 S215 (in dash harness, 65 cm from c200) S308 (in headliner harness, 82 cm from c308) S310 Splice pack sp300 Splice pack sp303 (in passenger compt, on right frame rail, near right side of passenger seat) Trunk diode Courtesy Lamps Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Cadillac STS V 2006: 29 Ajar Computer data lines system Courtesy lamp ctrl high Courtesy lamp ctrl low Courtesy lamp sw on Driver door latch assembly (in middle rear of driver door) Driver door module (ddm) (inside driver door) Front passenger door latch assembly (in middle rear of left rear door) Front passenger door module (fpdm) (inside right front door) G200 (in passenger compt, behind left kick panel) G201 (in passenger compt, behind right kick panel) Gmlan serial data I/p dimmer switch Instrument panel module (ipm) (right side of dash, behind glove box) Left front door courtesy lamp Left rear door latch assembly (in middle rear of passenger door) Left rear door module (lrdm) (inside left rear door) Lf door ajar Low reference Lr door ajar sw sig Rf door ajar sw sig Right front door courtesy lamp Right rear door latch assembly (in middle rear of right rear door) Right rear door module (rrdm) (inside right rear door) Rr door ajar sw sig S500 S600 S700 S800 Instrument Illumination Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Cadillac STS V 2006: 42 (in driver door trim harness, 71 cm from driver door lock switch connector) s504 (on dash harness, under dashboard, near firewall grommet) splice pack sp201 Backlight lamp ctrl Backlighting control Backlighting ind (8 bulbs) Batt pos volt Computer data lines system Courtesy lamp on sig Dimmer sw sig Driver door lock switch Driver door module (ddm) (inside driver door) Driver door switch assembly Ecm/ tcm fuse 10a Ext lights fuse 10a Front passenger door module (fpdm) (inside right front door) Front passenger window switch G101 (near left front strut tower, at bottom of inside fender well) G200 (in passenger compartment, behind left kick panel) G200 (in passenger compt, behind left kick panel) G201 (in passenger compt, behind right kick panel) Gmlan serial data Ground Hot at all times I/p dimmer switch Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Interior rear compartment lid release switch Ipm/aldl fuse 10a Lic/ dimming fuse 7.5a Logic Low reference Park lamp relay Park lamp rly ctrl Passenger door lock switch R31 R32 R33 R34 S210 S501 S601 Underhood fuse block (right front side of engine compt) Instrument Illumination Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Cadillac STS V 2006: 39 Automatic transmission shift lever assembly Backlight lamp ctrl Computer data lines system F c276 F c277 From c212) Front auxiliary power outlet ashtray Fuse 2a G200 (in passenger compt, behind left kick panel) G201 (in passenger compt, behind right kick panel) G402 (in rear compt, to rear of left rear shock tower) Gmlan serial data Hazard switch Hvac control module (in center of dash, below radio) I/p dimmer switch Ignition mode switch Inflatable restraint steering wheel module coil Left rear door module (lrdm) (inside left rear door) Left rear window switch Left steering wheel controls Nca Rear auxiliary hvac control module (w/ heated seat) Right rear door module (rrdm) (inside right rear door) Right rear window switch Right steering wheel controls S210 S224 S227 S228 S310 S311 S700 S800 Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Splice pack sp300 Steering column fuse block Steering wheel control switch assembly Sunroof switch (if equipped) Traction control switch
MEMORY SYSTEMS Driver"s Mirror Wiring Diagram for Cadillac STS V 2006 List of elements for Driver"s Mirror Wiring Diagram for Cadillac STS V 2006: 40 5v feed 5v ref 5v rtn Bat pos voltage Computer data lines system Driver door module (ddm) (inside driver door) Driver door switch assembly (ddsa) Driver dr mod fuse 15a Driver outside rearview mirror Drvr horiz pos sens sig Drvr vert pos sens sig G200 (in passenger compt, behind left kick panel) Gnd Ground Horiz motor Horiz pos sens Horiz pos sensor Hot at all times Infotainment system 010 Left Left horiz Left rear fuse block (under left side of rear seat) Lft mir mtr dn ctrl Lft mir mtr lft ctrl Lft mir mtr up/rt ctrl Logic Low ref Low spd gmlan serial data Mirror switches Right Right horiz S500 S501 Sel left Sel right Vert down Vert motor Vert pos sens Vert pos sensor Vert up Memory Power Tilt & Power Telescopic Wiring Diagram for Cadillac STS V 2006 List of elements for Memory Power Tilt & Power Telescopic Wiring Diagram for Cadillac STS V 2006: 50 (in driver seat harness, 21 cm from driver seat adjuster motor assembly c2) (in driver seat harness, 25 cm from c300) (in steering column harness) Bat pos voltage Computer data lines system Driver lumbar motor assembly (in driver seat back) Driver seat adjuster motor assembly (under driver seat cushion) Driver seat recline motor assembly (under driver seat) G307 (in passenger compt, to left of driver seat, on left frame rail) Gnd Hot at all times Hud fuse 10a Instrument panel module (ipm) (right side of dash, behind glove box) Left rear fuse block (under left side of rear seat) Low spd gmlan serial data Mem mirror pos sens 5v ref Mem seat/mirror sens low ref Memory seat module (msm) (under driver seat) Nca Out Pnk Power distribution system Red Rev. steering column tele mtr ctrl S302 S352 (in driver seat harness, 20 cm from driver seat adjuster motor assembly connector) S356 S362 (in driver seat harness, 16 cm from c300) S363 S369 (in steering column harness) S370 Seats circuit breaker 30a Steering column tele mtr sig Steering column tilt motor Steering column tilt motor ctrl Steering column tilt mtr sig Steering column tilt mtr up ctrl Strg col tilt/tele dn sw sig Strg col tilt/tele fwd sw sig Strg col tilt/tele rwd sw sig Strg col tilt/tele up sw sig Tan Telescope in Telescope out Telescoping actuator Tilt actuator (in steering column) Tilt down Tilt up Tilt/ telescope switch Underhood fuse block (right front side of engine compt) Memory Seat Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for Memory Seat Wiring Diagram (1 of 2) for Cadillac STS V 2006: 66 (if equipped) driver lumbar adjuster switch Bat pos voltage Battery positive voltage Computer data lines system Down Dpm fuse 10a Driver seat adjuster switch (if equipped) Drv mem st recline mtr pos sens sig Drv pwr seat frt vert mtr dn ctrl Drv pwr seat frt vert mtr up ctrl Drv pwr seat horiz mtr fwd ctrl Drv pwr seat horiz mtr rwd ctrl Drv pwr seat lumbar mtr fwd ctrl Drv pwr seat lumbar mtr rwd ctrl Drv pwr seat lumbar mtr up ctrl Drv pwr seat rear vert mtr dn ctrl Drv pwr seat rear vert mtr up ctrl Drv pwr seat recline mtr fwd ctrl Drv pwr seat recline mtr rwd ctrl Drv seat lumbar dn sw sig Drv seat lumbar fwd sw sig Drv seat lumbar rwd sw sig Drv st lumbar up sw sig For- ward Front vertical down Front vertical up Frt vert dn sw sig Frt vert up sw sig G307 (in passenger compt, to left of driver seat, on left frame rail) Gnd Horiz fwd sw sig Horiz rwd sw sig Horizontal forward Horizontal rearward Hot at all times Left rear fuse block (under left side of rear seat) Low spd gmlan serial data Mem mirror pos sens 5v ref Mem seat/mirror sens low ref Mem st frt vert mtr pos sens sig Mem st horiz mtr pos sens sig Mem st lumbar horiz pos sens sig Mem st lumbar vert pos sens sig Mem st rr vert mtr pos sens sig Memory power tilt & power telescopic circuit Memory seat module (under driver seat) Pnk Pwm serial data Rear vert dn sw sig Rear vert up sw sig Rear vertical down Rear vertical up Rear- ward Recline forward Recline rearward S302 S349 (w/ front heater seat) S354 Seat recline mtr fwd ctrl Seat recline mtr rwd ctrl Seats circuit breaker 30a Steering column tele mtr fwd Steering column tele mtr sig Steering column tilt mtr sig Steering column tilt mtr up ctrl Tan Memory Seat Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for Memory Seat Wiring Diagram (2 of 2) for Cadillac STS V 2006: 25 (in driver seat harness, 16 cm from c300) s362 (in driver seat harness, 20 cm from driver seat adjuster motor assembly connector) s352 (in driver seat harness, 25 cm from c300) s356 (in driver seat harness, 39 cm from driver seat recline motor connector) (under driver seat cushion) (if equipped) driver seat adjuster motor assembly Driver lumbar motor assembly (if equipped) (in driver seat back) Driver lumbar position sensors Driver seat front vertical motor Driver seat front vertical position sensor Driver seat horizontal motor Driver seat horizontal position sensor Driver seat rear vertical motor Driver seat rear vertical position sensor Driver seat recline motor assembly (under driver seat) Driver seat recline position sensor Horizontal Memory power tilt & power telescopic circuit Passenger climate control seat module (under right front seat) Pnk Pwm serial data Red S351 (w/ power lumber seat) S363 (in driver seat harness, 21 cm from driver seat adjuster motor assembly c2) Tan Vertical Passenger"s Mirror Wiring Diagram for Cadillac STS V 2006 List of elements for Passenger"s Mirror Wiring Diagram for Cadillac STS V 2006: 46 5v feed 5v ref 5v rtn Bat pos voltage Computer data lines system Driver door module (ddm) (inside driver door) Driver door switch assembly (ddsa) Driver dr mod fuse 15a Front passenger door module (fpdm) (inside right front door) G200 (in passenger compt, behind left kick panel) G201 (in passenger compt, behind right kick panel) Gnd Ground Horiz motor Horiz pos sens Horiz pos sensor Hot at all times Infotainment system 010 Left Left horiz Left rear fuse block (under left side of rear seat) Logic Low ref Low spd gmlan serial data Mirror switches Pass horiz pos sens sig Pass mir mtr lft ctrl Pass vert pos sens sig Passenger outside rearview mirror Power distribution system Psgr dr mod fuse 15a Right Right horiz Right rear fuse block (under right side of rear seat) Rt mir mtr dn ctrl Rt mir mtr up/rt ctrl S500 S501 S600 Sel left Sel right Vert down Vert motor Vert pos sens Vert pos sensor Vert up
NAVIGATION Navigation Wiring Diagram for Cadillac STS V 2006 List of elements for Navigation Wiring Diagram for Cadillac STS V 2006: 65 (coax) 15 speaker system 3.6l 4.4l 4.6l 8 speaker system Am/fm1 Am/fm1 antenna signal Antenna Antenna 14v sw pwr Antenna 14v switched pwr Antenna coax c5 Aux aud lt sig Aux aud rt sig Aux det sig Aux detect sig Aux vid hi sig Aux video hi sig Aux video hi sig c1 Auxiliary audio/ video control Bare Battery Case ground Cell telephone voice signal Cellular microphone signal Coaxial cable Computer data lines system Drain wire Drn wire Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.6l: on left front frame rail, below left headlamp assembly) Fm1 antenna Fm1 antenna signal Fm2 Fm2 antenna sig G402 (in rear compt, to rear of left rear shock tower) Global positioning system (gps) antenna Gps sig Ground Hot at all times Inside rearview mirror (isrvm) Interior lights system Led backlight dim cntrl Left audio signal (1) Lo speed gmlan ser data Nca Pnk Radio Radio antenna coax Radio antenna module (above center rear of headliner) Radio rear window antenna Radio/ onstar fuse 10a Rear object sensor control module (in left side of rear compt, under rear shelf) Right audio signal (1) Right rear fuse block (under right side of rear seat) S15 S17 Splice pack Vehicle communication interface module (vcim) (in rear compt, near right rear strut tower) Vics-fm3 antenna Voice recog aud low ref Voice recog low Voice recog sig Vss W/ hid headlamps W/ vehicle communication system Parking Assistant Wiring Diagram for Cadillac STS V 2006 List of elements for Parking Assistant Wiring Diagram for Cadillac STS V 2006: 48 (in rear compartment, to rear of left rear shock tower) g402 Backup lamp sply voltage Center amber ind Center amber ind ctrl Ground Hot at all times Hot in run or start Ign 1 voltage Left amber ind Left amber ind ctrl Left rear corner object sensor (on left rear corner of rear fascia) Left rear fuse block (under left side of rear seat) Left rear middle object sensor (on left rear middle of rear fascia) Low reference Lr corner object sens sig Lr middle object sens sig Navigation circuit Object sens low ref Object sens sply voltage Pnk R36 R37 R38 R40 Rear integration module (rim) (in left side of rear compartment, under rear shelf) Rear object sensor control module (in left side of rear compartment, under rear shelf) Rear parking aide chime Rear parking assist (rpa) diagnostic connector Rear parking assist (rpa) display Rear parking assist chime sig Rear parking diagnostic sig Red ind Red ind crtl Rev lamp relay Reverse lamp fuse 10a Reverse relay control Right rear corner object sensor (on right rear corner of rear fascia) Right rear fuse block (under right side of rear seat) Right rear middle object sensor (on right rear middle of rear fascia) Rim fuse 10a Rr corner object sens sig Rr middle object sens sig S27 S403 S414 Sensor signal Telltale assembly sply voltage Vehicle speed sig
PASSIVE RESTRAINTS Passive Restraints Wiring Diagram for Cadillac STS V 2006 List of elements for Passive Restraints Wiring Diagram for Cadillac STS V 2006: 35 (under center console) Air bag fuse 10a Air bag fuse 10a pnk Battery b+ Case ground Class 2 (sdm) Drvr seat belt sw sig G306 G307 (in passenger compt, to left of driver seat, on left frame rail) Gmlan serial data Hot at all times Hot w/ ign 1 relay energized Hot w/ run relay energized Ign 1 vol Ign 3 fuse 10a Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console) Instrument panel cluster (ipc) Left front seat belt retractor (left "b" pillar) Left front seat belt switch (in left front seat belt buckle) Left rear fuse block (under left side of rear seat) Logic Pass seat belt sw sig Pnk Right front seat belt retractor (right "b" pillar) Right front seat belt switch (in right front seat belt buckle) Right rear fuse block (under right side of rear seat) S18 S19 Seat belt ind Seat belt sw low ref Signal ground Splice pack Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Splice pack sp300 Splice pack sp303 (in passenger compt, on right frame rail, near right side of passenger seat)
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 7) for Cadillac STS V 2006 List of elements for Power Distribution Wiring Diagram (1 of 7) for Cadillac STS V 2006: 75 (3.6l) (3.6l: in engine harness, 27 cm from evap canister purge solenoid valve connector) (4.6l: in engine harness, 15 cm from fuel injector 5 connector) s101 (4.4l) (4.6l) (engine harness, 36 cm from tcm connector) (in engine poa harness, 18 cm from ignition coil 1 connector) s127 (in ignition coil harness, 30 cm from ignition coil module 1 connector) s142 (not used) (right front side of engine compt) underhood fuse block 3.6l 4.4l 4.6l 4.6l/ 4.4l Automatic headlamp dimming relay Battery Blower fuse 40a Blower relay C1 h Camshaft position (cmp) actuator solenoid exhaust bank 1 Camshaft position (cmp) actuator solenoid exhaust bank 2 Camshaft position (cmp) actuator solenoid intake bank 1 Camshaft position (cmp) actuator solenoid intake bank 2 Data link connector (dlc) Ecm/tcm fuse 10a Engine control Engine control module (ecm) Evaporative emission (evap) canister purge solenoid valve Fuel injector Fusible link Generator Heated oxygen sensor (ho2s) bank 1 sensor 1 Heated oxygen sensor (ho2s) bank 2 sensor 1 Hfv6 ecm fuse 15a Hi speed fan fuse 30a High speed fan relay Ignition coil 1 Ignition coil 3 Ignition coil 5 Ignition coil/ module Instrument panel cluster (ipc) Instrument panel module (ipm) Intake manifold runner control (imrc) solenoid Ipm/ aldl fuse 10a Low speed fan fuse 30a Low speed fan relay Module (ecm) Odd coil fuse 15a Pnk/ (in engine harness, 14 cm from fuel injector 7 connector) s102 Powertrain relay Pre o2/ cam fuse 15a R14 R19 R20 R39 R40 R47 R48 R49 R50 R51 R52 Red Remote control door lock receiver (rcdlr) S/p fan relay S109 S136 Smt-bm fuse (optional) 10a Starter To underhood fuse block (horn fuse) (diagram 2 of 7) To underhood fuse block (post o2 fuse) (diagram 3 of 7) Transmission control module (tcm) V8 ecm fuse 10a Vacuum bypass Valve Volt check fuse 10a Power Distribution Wiring Diagram (2 of 7) for Cadillac STS V 2006 List of elements for Power Distribution Wiring Diagram (2 of 7) for Cadillac STS V 2006: 62 (3.6l: 30 cm from ebcm connector) (4.6l: 25 cm from brake pressure sensor connector) s118 (right front side of engine compt) underhood fuse block (w/ auto headlamps leveling) Abs fuse 50a Accessory relay Ccp fuse 10a Cmp clu relay Comp clutch fuse 10a Distance sensing cruise control module (w/ auto adaptive cruise control) Electronic brake control module (ebcm) Ext lights fuse 10a Fog lamp fuse 15a Fog lamp relay From instrument panel module (ipm) (diagram 4 of 7) From underhood fuse block a (blower fuse) (diagram 1 of 7) G104 (on right front frame rail, near bumper bracket) Hdlp washer circuit breaker (optional) 30a Head up display (hud) Headlamp leveling module Headlamp washer fluid pump fluid Headlamp washer fluid pump relay (w/ high intensity discharge) High beam relay Horn fuse 15a Horn relay Hud fuse 10a Hvac control module L rear fuse 60a Low beam relay/hid (optional) Outside moisture sensor (if equipped) Park lamp relay R rear fuse 60a R10 R11 R23 R24 R27 R28 R31 R32 R35 R36 R37 R38 R56 Rain ssr fuse 7.5a S411 Spare fuse Spare relay Tilt/ telescope switch Tire pressure monitor module (w/ low tire pressure indicator) To left rear fuse block (driver door module fuse) (diagram 5 of 7) To left rear fuse block (elc relay fuse) (diagram 5 of 7) To right rear fuse block (ign 1 relay) (diagram 7 of 7) To right rear fuse block (power windows motor circuit breaker) (diagram 6 of 7) To underhood fuse block (outlet fuse) (diagram 3 of 7) W/ head up display W/ low tire pressure indicator W/o low tire pressure indicator Windshield wiper/ washer module Windshield wiper/ washer switch assembly Wpr mod fuse 30a Wpr sw fuse 7.5a Power Distribution Wiring Diagram (3 of 7) for Cadillac STS V 2006 List of elements for Power Distribution Wiring Diagram (3 of 7) for Cadillac STS V 2006: 59 (3.6l: in engine harness, 52 cm from ho2s bank 1 sensor 2 connector) (4.6l: in engine harness, 34 cm from c102) s104 (in console harness, 31 cm from hazard switch connector) s312 (in engine harness, 16 cm from fuel injector 8 connector) s103 (in engine harness, 39 cm from brake pressure sensor connector) s105 (in engine poa harness, 25 cm from ignition coil 2 connector) s119 (in ignition coil harness, 36 cm from ignition coil module 2 connector) s131 (in passenger compt, behind right kick panel) (not used) (right front side of engine compt) underhood fuse block 3.6l 4.6l Cmp clu relay Console auxiliary power outlet Engine control module (ecm) Even coils fuse 15a Fog lamp relay From right rear fuse block (run/ctank fuse, 10a) (diagram 7 of 7) From underhood fuse block (hud fuse, (diagram 2 of 7) From underhood fuse block c (pre o2/cam fuse) (diagram 1 of 7) Front ashtray auxiliary power outlet Fuel injector Fuel injector 2 Fuel injector 4 Fuel injector 6 G104 (on right front frame rail, near bumper bracket) G201 Heated oxygen sensor (ho2s) bank 1 sensor 2 Heated oxygen sensor (ho2s) bank 2 sensor 2 I/p outlet fuse 15a Ignition coil 2 Ignition coil 4 Ignition coil 6 Ignition coil/ module 2 Ignition coil/ module 4 Ignition coil/ module 6 Ignition coil/ module 8 Instrument panel cluster (ipc) Nca Outlet fuse 20a Pnk Post fuse 10a R43 R44 R45 R46 R55 R64 Rear ashtray auxiliary power outlet Run/crank relay S137 S212 S311 Spare fuse Starter fuse 30a Starter relay Tcm/ipc fuse 15a To underhood fuse block (wash noz/aqs fuse) (diagram 4 of 7) Transmission control module (tcm) Underhood fuse block (right front side of engine compt) Power Distribution Wiring Diagram (4 of 7) for Cadillac STS V 2006 List of elements for Power Distribution Wiring Diagram (4 of 7) for Cadillac STS V 2006: 50 (not used) 3.6l 4.4l Abs fuse 15a Accessory voltage Accy ind cntrl Air quality sensor Ccp fuse 10a Electronic brake control module (ebcm) From underhood fuse block (run/crank relay) (diagram 3 of 7) Hvac control module Ign 1 voltage Ign mode sw sply volt Ignition mode switch Illum Instrument panel module (ipm) (right side of dash, behind glove box) Interior lights system Ipm ign mode data sig Ipm ign mode sw ref volt Left heated washer nozzle Maf fuse 10a Mass air flow (maf)/ intake air temperature (iat) sensor Mode control b/u Off Off in cntrl Off ind On ind Pnk R63 Rear defog relay Remote control door lock receiver (rcdlr) (under rear speaker shelf) Right heated washer nozzle Right rear fuse block (under right side of rear seat) Run ign 3 voltage Spare fuse Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Splice pack sp300 Start Start ind Start ind cntrl Starter relay Starter relay fuse 10a To accessory relay (diagram 2 of 7) To ign 1 relay (diagram 7 of 7) To run relay (diagram 6 of 7) Underhood fuse block (right front side of engine compt) Voltage b/u W/ auto recircualting filter air W/ heated washer nozzle Wash noz/ aqs fuse 10a Power Distribution Wiring Diagram (5 of 7) for Cadillac STS V 2006 List of elements for Power Distribution Wiring Diagram (5 of 7) for Cadillac STS V 2006: 69 (in driver door harness, 54 cm from c500) s502 (in passenger seat harness, 17 cm from passenger seat adjuster switch connector) s354 (under left side of rear seat) left rear fuse block Air bag fuse 10a Amp fuse 30a Audio amplifier (w/ infotainment system 010, 012, 014 & 015) Automatic level control (alc) compressor Automatic transmission shift lever assembly Dpm fuse 10a Driver adjuster seat switch Driver back cooled seat blower motor Driver cushion cooled seat blower motor Driver door module (ddm) Driver door module fuse 15a Driver lumbar adjuster switch Elc relay Elc relay fuse 30a Elc sol fuse 10a Electronic suspension control (esc) module From underhood fuse block (l rear fuse) (connector c2, pin 1) (diagram 2 of 7) From underhood fuse block (l rear fuse) (connector c2, pin 2) (diagram 2 of 7) Inflatable restraint sensing & diagnostic module (sdm) Joint connector Left front door subwoofer speaker Left position lamp relay Left rear door module (lrdm) Memory seat module (msm) Mr-rtd mod fuse 25a Nca Position lamp fuse 10a R13 R18 R28 R29 R31 R32 R36 R37 Rear dr mod fuse 15a Rear subwoofer speaker Rev lamp relay Reverse lamp fuse 10a Right position lamp relay Right rear door module (rrdm) Rr shlf speaker fuse (sub woofer) 15a S12 S13 S14 S20 S21 S22 (not used) S23 Spare fuse Splice pack Stndby lamp relay Theft/ shifter fuse 10a To left rear fuse block run relay) (diagram 6 of 7) Trk dr rel relay Trunk dr/ valet fuse 10a Tv antenna module Tv/vics fuse 10a W/ infotainment system 010 W/ infotainment system 011,012, 014 & 015 W/ infotainment system 012, 014 & 015 W/ infotainment system 014 & 015 W/ magnetic ride control W/ memory W/ power lumbar control seat W/ rear heated seat Power Distribution Wiring Diagram (6 of 7) for Cadillac STS V 2006 List of elements for Power Distribution Wiring Diagram (6 of 7) for Cadillac STS V 2006: 67 (in body harness, 58 cm from right rear fuse block c1) s302 (in body harness, 86 cm from g306) s303 (in passenger seat harness, 24 cm from passenger seat adjuster switch connector) (in passenger seat harness, 32 cm from c307) s355 (not used) (under right side of rear seat) right rear fuse block A/t shift shift lever assembly Cac coolant pump fuse (4.4l) 10a Cac coolant pump relay Canister vent fuse 10a Climate control seat module Digital radio receiver Driver window motor Elc relay Evaporative emissions (evap) canister vent solenoid From instrument panel module (via splice pack sp300, pin 31) (diagram 4 of 7) From left rear fuse block (trunk dr/ valet fuse) (diagram 5 of 7) From underhood fuse block (r rear fuse) (connector c3, pin 2) (diagram 2 of 7) Front passenger window motor Fuel pump (fp) relay Fuel pump fuse 15a G402 (in rear compt, to rear of left rear shock tower) Ign 3 fuse 10a Left front seat belt retractor Left rear fuse block (under left side of rear seat) Left rear window motor Memory seat module (msm) Passenger back cooled seat blower motor Passenger climate control seat module Passenger cushion cooled seat blower motor Passenger lumbar adjuster switch Passenger seat adjuster switch R12 R21 R22 R23 R25 R37 Radio Radio/ onstar fuse 10a Rear heated seat module Rear heated seats fuse 20a Rear integration module (rim) Rf htd st/ s-band fuse 20a Right front seat belt retractor Right rear window motor Right turn-rim fuse 10a Run relay S15 S16 S17 S353 Seats circuit breaker 30a Spare fuse Splice pack Stop lamp relay Stop lamps fuse 10a Sunroof control module Sunroof fuse 20a Vehicle communication interface module (vcim) W/ digital radio W/ front heated & cooling seats W/ front heated seat W/ power lumbar control seats W/ rear heated seat W/o power lumbar control seats Window mtrs circuit breaker 30a Power Distribution Wiring Diagram (7 of 7) for Cadillac STS V 2006 List of elements for Power Distribution Wiring Diagram (7 of 7) for Cadillac STS V 2006: 53 (in passenger door harness, 34 cm from front passenger window motor connector) After boil fuse 10a After boil relay (4.6l) Air bag fuse 10a D pnk From instrument panel module (via splice pack sp201, pin 10) (diagram 4 of 7) From underhood fuse block (r rear fuse) (diagram 2 of 7) Front passenger door module (fpdm) Fuse 7.5a G401 (in rear compt, to rear of right rear shock tower) Heated steering wheel control module Htd stg/ clm fuse 15a Ign 1 relay Inflatable restraint sensing & diagnostic module (sdm) Inflatable restraint steering wheel module coil Inside rear view mirror (isrvm) Int lamp relay Interior lamp fuse 10a Left turn rim fuse 10a Nca Pnk Psgr dr mod fuse 10a R16 R17 R21 R22 R23 R25 R26 R27 R31 R32 Rear defog fuse 40a Rear defog relay Rear fog lamp fuse 10a Rear fog lamp relay Rear integration module (rim) Rear object sensor control module Right front door subwoofer speaker Right rear fuse block (under right side of rear seat) Rim fuse 10a Run/ctank fuse 10a S10 (not used) S11 S22 S23 S25 Splice pack To underhood fuse block (comp clu relay) (diagram 3 of 7) W/ infotainment system 010 W/ infotainment system 012, 011, 014 & 015 W/ ka9 W/ rear parking assist
POWER DOOR LOCKS Power Door Locks Wiring Diagram (1 of 3) for Cadillac STS V 2006 List of elements for Power Door Locks Wiring Diagram (1 of 3) for Cadillac STS V 2006: 45 (under right side of rear seat) right rear fuse block Active ant clock sig Active ant data sig Active ant low ref Ant low ref 1 Ant low ref 2 Ant low ref 3 Ant low ref 4 Ant low ref 5 Automatic transmission shift lever assembly Back-up keyless entry antenna (inside center console compartment) Battery positive volt Computer data lines system Ecm/tcm fuse 10a Exterior rear compartment lid release switch G402 (in rear compt, to rear of left rear shock tower) G404 (on left side "c" pillar, near rear window) Ground Headliner keyless entry antenna (under headliner trim panel) Hot at all times Ign 1 relay Ignition 1 voltage Ignition mode switch Keyless entry antenna Keyless entry sig 1 Keyless entry sig 2 Keyless entry sig 3 Keyless entry sig 4 Keyless entry sig 5 Left front door handle antenna (inside left front door) Lf door handle sw sig Low speed gmlan data Pnk R21 Rear compartment keyless entry antenna (in back of rear bumper fascia on body (center)) Rear window keyless entry antenna Remote control door lock receiver (rcdlr) (under rear speaker shelf) Rf door handle sw sig Right front door handle antenna (inside right front door) Sol sply volt Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Tan Tire pressure ant sig Trunk release ctrl sig Underhood fuse block (right front side of engine compartment) Power Door Locks Wiring Diagram (2 of 3) for Cadillac STS V 2006 List of elements for Power Door Locks Wiring Diagram (2 of 3) for Cadillac STS V 2006: 60 (behind right kick panel) g201 (in driver door harness, 52 cm from driver window motor connector) s503 (inside left rear door) left rear door module (lrdm) (inside right rear door) right rear door module (rrdm) Actuator lock ctrl Actuator unlock ctrl Battery b+ Battery pos voltage Computer data lines system Door ajar sw sig Door ajar switch Door ajar switch signal Door handle sw sig Door key sw sig Door key switch signal Door latch ctrl Door lock ctrl Door lock motor Door lock sig Door open sw sig Door open switch Door open switch signal Door unlatch ctrl Door unlock ctrl Door unlock sig Driver door latch assembly (in middle rear of driver door) Driver door lock switch Driver door module (ddm) (inside driver door) Driver door status indicator (on top rear of driver door trim panel) Driver door switch assembly (ddsa) Driver dr mod fuse 15a G200 (in passenger compartment, behind left kick panel) G200 (in passenger compt, behind left kick panel) Gmlan serial data Ground Hot at all times Illuminating lamp Illumination lamp Infotainment system 010 Interior lights system Latch Left front door handle switch assembly (on upper right corner of outside door panel) Left rear door latch assembly (in middle rear of passenger door) Left rear fuse block (under left side of rear seat) Lift switch Lock Pnk Rear dr mod fuse 10a Rear lid release Right rear door latch assembly (in middle rear of right rear door) S500 S501 S700 S800 Status ind sig gnd Status ind sply volt Tan Unlatch Unlatch enable switch Unlock Power Door Locks Wiring Diagram (3 of 3) for Cadillac STS V 2006 List of elements for Power Door Locks Wiring Diagram (3 of 3) for Cadillac STS V 2006: 67 (in passenger compartment, behind left kick panel) g200 (right side of dash, behind glove box) instrument panel module (ipm) Battery pos voltage Computer data lines system Door ajar sw sig Door ajar switch Door handle sw sig Door latch ctrl Door latch motor Door lock sw sig Door open sw sig Door open switch Door unlatch ctrl Door unlock sw sig Fd1 Fd2 Front passenger door module (fpdm) (inside right front door) G201 (in passenger compartment, behind right kick panel) G402 (in rear compt, to rear of left rear shock tower) Garage door opener (w/ universal) Gmlan serial data Ground Hot at all times Ign 1 volt Illu lamp Infotainment system 010 Interior lights system Interior rear compartment lid release switch Left rear fuse block (under left side of rear seat) Lift switch Lock Mode data sig Passenger door latch assembly (in middle rear of left rear door) Passenger door lock switch Passenger door status indicator (on top rear of passenger door trim panel) Pnk Psgr dr mod fuse 15a R31 R32 R33 R35 Rear compartment lid release actuator (center rear of rear compt lid) Rear integration module (rim) (in left side of rear compt, under rear shelf) Ref volt Right front door handle switch assembly Right rear fuse block (under right side of rear seat) S20 S21 S214 (in dash harness, 32 cm from ipm c3) S22 S23 S501 S600 S601 S603 (in passenger door harness, 39 cm from front passenger window motor connector) Splice pack Status ind sig gnd Status ind sply volt Trk dr rel relay Trunk ajar sig Trunk diode Trunk dr/ valet fuse 7.5a Trunk release ctrl Unlatch enable switch Unlock Valet lockout sw Valet switch
POWER MIRRORS Automatic Day/Night Mirror Wiring Diagram for Cadillac STS V 2006 List of elements for Automatic Day/Night Mirror Wiring Diagram for Cadillac STS V 2006: 44 (or 850) Back-up lamp voltage Bare Cellular signal Computer data lines system Cruise control system Drain wire Driver door module (ddm) (inside driver door) G402 (in rear compt, to rear of left rear shock tower) Gmlan serial data Ground Headlights system High beam dim enable High beam dim status High beam rly ctrl Hot at all times Hot w/ ign 1 relay energized Ignition voltage Inside rearview mirror (isrvm) Instrument panel module (ipm) (right side of dash, behind glove box) Keypad signal Keypad supp volt Led sig Left rear fuse block (under left side of rear seat) Low reference Microphone Mirror signal Pnk Pwm sig R36 R37 R38 R40 Rear integration module (rim) (in left side of rear compt, under rear shelf) Rev lamp relay Reverse lamp ctrl Reverse lamp fuse 10a Right rear fuse block (under right side of rear seat) Rim fuse 10a S310 Vehicle communication interface module (vcim) (if equipped) (in rear compt, near right rear strut tower) Vehicle speed sig W/ hid headlamps W/o hid headlamps Power Mirrors Wiring Diagram for Cadillac STS V 2006 List of elements for Power Mirrors Wiring Diagram for Cadillac STS V 2006: 48 (in driver door harness 32 cm from driver window motor connector) s500 Automatic day/ night mirror low ref Automatic day/ night mirror sig Batt positive voltage Batt volt Battery Computer data lines system Defogger system Down mirror switch sig Driver door module (ddm) (inside driver door) Driver door switch assembly (ddsa) Driver dr mod fuse 15a Driver mirror motor horizontal ctrl Driver mirror motor horizontal/ver ctrl Driver mirror motor vertical ctrl Driver outside rearview mirror E c motor element Front passenger door module (fpdm) (inside right front door) G200 (in passenger compt, behind left kick panel) G201 (in passenger compt, behind right kick panel) Gmlan serial data Gnd Ground Heated motor element Horiz motor Hot at all times Infotainment system 010 Left Left mirror select switch sig Left mirror switch sig Left rear fuse block (under left side of rear seat) Left sel Logic Passenger mirror motor horiz/ver ctrl Passenger mirror motor horizontal ctrl Passenger mirror motor vertical ctrl Passenger outside rearview mirror Power distribution system Psgr dr mod fuse 15a Right Right mirror select switch sig Right mirror switch sig Right rear fuse block (under right side of rear seat) Right sel S600 Serial data gmlan Up mirror switch sig Vert motor
POWER SEATS Climate Control Seats Wiring Diagram for Cadillac STS V 2006 List of elements for Climate Control Seats Wiring Diagram for Cadillac STS V 2006: 49 (in driver seat harness, 15 cm from msm c1) s358 (in driver seat harness, 21 cm from msm c2) (in passenger compt, to left of driver seat, on left frame rail) g307 (in passenger seat harness, 10 cm from passenger climate control seat module c2) s361 (in passenger seat harness, 27 cm from passenger cushion cooled seat blower motor connector) Batt pos volt Climate control seat module (under right front seat) Dpm fuse 10a Driver back cooled seat blower motor (in driver seat back) Driver back heated seat element (in driver seat back) Driver cushion cooled seat blower motor (in driver seat cushion) Driver cushion heated seat element (in driver seat cushion) Fan spd cntrl Fan spd ctrl G307 (in passenger compt, to left of driver seat, on left frame rail) G402 (in rear compt, to rear of left rear shock tower) Ground Harness, 24 cm from passenger climate control seat module c1) s357 Hot at all times Ign 3 fuse 10a Ign 3 volt Instrument panel module (ipm) (right side of dash, behind glove box) Left rear fuse block (under left side of rear seat) Low ref Memory seat module (msm) (under driver seat) Ntc sig Passenger back cooled seat blower motor (in passenger seat back) Passenger back heated seat element (in passenger seat back) Passenger cushion cooled seat blower motor (in passenger seat cushion) Passenger cushion heated seat element (in passenger seat cushion) Pnk Pwm data R21 R22 R23 R25 Rf htd st/ s-band fuse 20a Right rear fuse block (under right side of rear seat) Run relay S349 S350 S354 S355 S359 S360 Splice pack Splice pack sp300 Sply vltg Sply volt Front Seat Heater Wiring Diagram for Cadillac STS V 2006 List of elements for Front Seat Heater Wiring Diagram for Cadillac STS V 2006: 36 (in driver seat harness, 15 cm from msm c1) s358 (in passenger compartment, to left of driver seat, on left frame rail) g307 (in passenger seat harness, 10 cm from passenger climate control seat module c2) s361 (right side of dash, behind glove box) instrument panel module (ipm) Batt pos volt Climate control seat module (under right front seat) Driver back heated seat element (in driver seat back) Driver cushion heated seat element (in driver seat cushion) G307 (in passenger compt, to left of driver seat, on left frame rail) G402 (in rear compt, to rear of left rear shock tower) Ground Harness, 24 cm from passenger climate control seat module c1) s357 Hot at all times Ign 3 fuse 10a Ign 3 volt Left rear fuse block (under left side of rear seat) Low ref Memory seat module (msm) (under driver seat) Ntc sig Passenger back heated seat element (in passenger seat back) Passenger cushion heated seat element (in passenger seat cushion) Pnk Pwm data R21 R22 R23 R25 Rf htd st/ s-band fuse 20a Right rear fuse block (under right side of rear seat) Run relay S349 S350 S355 Sp300 Splice pack Sply volt Heated Steering Wheel Wiring Diagram for Cadillac STS V 2006 List of elements for Heated Steering Wheel Wiring Diagram for Cadillac STS V 2006: 31 (not used) C277 Fuse 7.5a G200 (in passenger compt, behind left kick panel) G401 (in rear compt, to rear of right rear shock tower) Ground Heated steering wheel Heated steering wheel control module (in steering column, under steering wheel) Heated steering wheel on ind Hot at all times Htd stg/ clm fuse 15a Ign 1 relay Ign 1 volt Ind ctrl Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel) Instrument panel module (ipm) (right side of dash, behind glove box) Interior lights system Left steering wheel controls Nca Pnk R21 R22 R23 R25 Right rear fuse block (under right side of rear seat) S221 Sensor sig Splice pack Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Sply volt Steering wheel control switch assembly Passenger"s Lumbar Wiring Diagram for Cadillac STS V 2006 List of elements for Passenger"s Lumbar Wiring Diagram for Cadillac STS V 2006: 23 A c2 B c1 Battery positive voltage Down Fwd G307 (in passenger compt, to left of driver seat, on left frame rail) Gnd Horizontal Hot at all times Left rear fuse block (under left side of rear seat) Lumbar motor down control Lumbar motor forward control Lumbar motor rearward control Lumbar motor up control Passenger lumbar adjuster switch Passenger lumbar motor assembly Pnk Red Rwd S350 S353 Seats circuit breaker 30a Vertical Passenger"s Power Seat Wiring Diagram for Cadillac STS V 2006 List of elements for Passenger"s Power Seat Wiring Diagram for Cadillac STS V 2006: 26 Down Front vertical down Front vertical up Fwd G307 (in passenger compt, to left of driver seat, on left frame rail) Gnd Horizontal forward Horizontal rearward Hot at all times Left rear fuse block (under left side of rear seat) Nca Passenger seat adjuster motor assembly (under passenger seat cushion) Passenger seat adjuster switch Passenger seat front vertical motor Passenger seat horizontal motor Passenger seat rear vertical motor Passenger seat recline motor (under front passenger seat, part of seat adjuster motor assembly) Rear Rear vertical down Rear vertical up Recline forward Recline rearward S350 (w/ power lumbar seats) S353 (w/ power lumbar) Seats circuit breaker 30a Tan Rear Heated Seats Wiring Diagram for Cadillac STS V 2006 List of elements for Rear Heated Seats Wiring Diagram for Cadillac STS V 2006: 46 (in rear seat back harness, 10 cm from c315) (in rear seat back harness, 15 cm from heated rear seat module c1) s365 (in rear seat back harness, 32 cm from right rear heated seat back element connector) (in rear seat back harness, 39 cm from right rear heated seat back element connector) s367 (not used) G402 (in rear compt, to rear of left rear shock tower) Ground Hot in run Ignition 3 Left rear back heated seat element (in left rear seat back) Left rear cushion heated seat element (in left rear seat cushion) Left rear fuse block (under left side of rear seat) Left rear heated seat switch Left rear high temperature indicator Left rear low temperature indicator Left rear medium temperature indicator Lr element ctrl Lr element sply Lr high ind Lr htd sw sig Lr low ind Lr med ind Lr temp sns Lr temp sns low Not used Pnk Rear auxiliary hvac control module Rear heated seat module (in center of rear seat back) Rear htd seats fuse 20a Right rear back heated seat element (in right rear seat back) Right rear cushion heated seat element (in right rear seat cushion) Right rear heated seat switch Right rear high temperature indicator Right rear low temperature indicator Right rear medium temperature indicator Rr element ctrl Rr element sply Rr high ind Rr htd sw sig Rr low ind Rr med ind Rr temp sns Rr temp sns low S366 S368 Sw suply volt
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Cadillac STS V 2006 List of elements for Power Top/Sunroof Wiring Diagram for Cadillac STS V 2006: 29 (in rear compartment, to rear of right rear shock tower) g401 Battery Close sig Close vent sig Dimming Enable sig Enable sig c1 Express sig G402 (in rear compartment, to rear of left rear shock tower) Ground Hot at all times Interior lights system Open sig Open vent sig Pnk Rear integration module (rim) (in left side of rear compartment, under rear shelf) Right rear fuse block (under right side of rear seat) Roof close Roof express Roof open S310 Sunroof control module (above headliner, near rear of sunroof) Sunroof fuse 20a Sunroof switches Tan Vent close Vent express Vent express sig Vent open
POWER WINDOWS Power Windows Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for Power Windows Wiring Diagram (1 of 2) for Cadillac STS V 2006: 42 Battery Computer data lines system Down Driver door module (ddm) (inside driver door) Driver dr module fuse 15a Driver window motor (inside left front door) Front passenger door module (fpdm) (inside right front door) Front passenger window motor (inside right front door) Front passenger window switch G200 (in passenger compartment, behind left kick panel) G200 (in passenger compt, behind left kick panel) G201 (in passenger compartment, behind right kick panel) G201 (in passenger compt, behind right kick panel) Ground Hot at all times Illum Interior lights system Left rear fuse block (under left side of rear seat) Lf pwd mtr down sig Lf pwd mtr up sig Lo spd gmlan Logic Power window motor circuit breaker 30a Psgr dr mod fuse 15a Pwd status Rear dr module fuse 15a Rf express signal Rf pwd down sig Rf pwd mtr down sig Rf pwd mtr up sig Rf pwd up sig Right rear fuse block (under right side of rear seat) S12 S13 S14 S303 S500 S502 (w/ infotaiment system 012, 014 & 015) S600 S601 S602 (w/ infotaiment system 011, 012, 014 & 015) Splice pack Power Windows Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for Power Windows Wiring Diagram (2 of 2) for Cadillac STS V 2006: 44 Battery Computer data lines system Down Driver door switch assembly (ddsa) Drv window down sig Drv window express sig Drv window up sig Front passenger down sig Front passenger express sig Front passenger up sig G200 (in passenger compartment, behind left kick panel) G201 (in passenger compartment, behind right kick panel) Ground Illum Interior lights system Left rear door module (lrdm) (inside left rear door) Left rear window motor (inside left rear door) Left rear window switch Lo spd gmlan Logic Lr express sig Lr pwd down sig Lr pwd mtr down sig Lr pwd mtr up sig Lr pwd up sig Lr window down sig Lr window express sig Lr window up sig Pwd status Right rear door module (rrdm) (inside right rear door) Right rear window motor (inside right rear door) Right rear window switch Rr express signal Rr pwd down sig Rr pwd mtr down sig Rr pwd mtr up sig Rr pwd up signal Rr window down sig Rr window express sig Rr window up sig S501 S700 S800 Window lock out
RADIO 15-Speaker System Wiring Diagram (1 of 3) for Cadillac STS V 2006 List of elements for 15-Speaker System Wiring Diagram (1 of 3) for Cadillac STS V 2006: 80 (coax) (in rear compartment, near right rear strut tower) vehicle communication interface module (vcim) (pins 11-16 not used) 3.6l 4.6l Am/fm1 antenna Am/fm1 antenna sig Amp aud prmpt drain wire Amp aud prompt sig (+) Amp audio prompt sig (-) Antenna 14v sw pwr Antenna 14v switched pwr Aux aud lh sig Aux aud rh sig Aux det sig Aux detect sig Aux lh audio signal (1) Aux rh audio sig Aux vid hi sig Aux video hi sig Auxiliary audio/video control Bare Bare bare Battery Case ground Cell tele voice low sig Cell tele voice sig Cellular microphone signal Cntr chnl lo lev aud sig Cntr chnl lo lev aud sig(-) Coaxial cable Computer data lines system Drain wire Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.6l: on left front frame rail, below left headlamp assembly) Fm1 antenna Fm1 antenna sig Fm2 antenna Fm2 antenna sig G402 (in rear compt, to rear of left rear shock tower) Global positioning system (gps) antenna Gps sig Ground Hot at all times Inside rearview mirror (isrvm) Interior lights system Led backlight dim ctrl Left front lo lev aud (-) Left front lo lev aud sig Left rear lo lev aud (-) Left rear lo lev aud sig Left tv audio signal Lo speed gmlan ser data Nca Pnk Radio Radio antenna coax Radio antenna module (above center rear of headliner) Radio rear window antenna Radio/ onstar fuse 10a Rear object sensor control module (in left side of rear compt, under rear shelf) Right front lo lev aud (-) Right front lo lev aud sig Right rear fuse block (under right side of rear seat) Right rear lo lev aud (-) Right rear lo lev aud sig Right tv audio signal S15 S17 Satellite radio circuit Splice pack Subwoofer lo lev aud sig Tan Tv audio lo ref Vics-fm3 antenna Voice recog aud low ref Voice recog aud sig Voice recognition audio sig Vss W/ hid headlamps W/ vehicle communication system 15-Speaker System Wiring Diagram (2 of 3) for Cadillac STS V 2006 List of elements for 15-Speaker System Wiring Diagram (2 of 3) for Cadillac STS V 2006: 57 (gap +) 1.18k ohms 1.27k ohms 2.37k ohms 6.98k ohms 715 ohms Acc gap adj/ radio cntrl sig Amp fuse 30a Amp pwrd wfr cntrl Bare C276 C277 Column harn) Computer data lines system Control Cruise Down Driver door module fuse 15a Fuse 2a G401 (in rear compt, to rear of right rear shock tower) G402 (in rear compt, to rear of left rear shock tower) Gnd Hot at all times Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel) Inflatable restraint wheel steering module coil fuse holder (near base of steering column) Instrument panel module (ipm) (right side of dash, behind glove box) Left rear door speaker Left rear fuse block (under left side of rear seat) Left rear speaker Left steering wheel controls Low spd gmlan ser data Mute Nca Ohms Pre Rear console speaker Rear speaker (subwoofer) fuse 15a Rear subwoofer speaker Red Rem radio cntrl head accy pwr Req Right front door subwoofer speaker Right rear door speaker Right rear fuse block (under right side of rear seat) Right rear speaker Right steering wheel controls Rt frt dr mod fuse 15a S225 S229 (in steering column harn) S502 S602 Seek Srce (gap System Tan Voice Vol 15-Speaker System Wiring Diagram (3 of 3) for Cadillac STS V 2006 List of elements for 15-Speaker System Wiring Diagram (3 of 3) for Cadillac STS V 2006: 72 (in rear compt, to rear of left rear shock tower) (pins 26-32 not used) (to rear of right rear shock tower) Amp aud prompt sig (+) Amp audio prompt sig (-) Amp powered woofer cntrl 2 Amp powered woofer ctrl 1 Amp pwrd wfr cntrl Audio amplifier (left side of luggage compt) Bare Battery Cell tele voice low ref Cell tele voice sig Center console speaker (+) Center i/p speaker Cntr chnl lo lev aud sig Cntr chnl lo lev aud sig (-) Computer data lines system Console center speaker (-) Driver seat left speaker Driver seat right speaker Front center speaker (+) Front center speaker (-) G402 Gmlan class 2 serial data Gnd Ground Left front door subwoofer speaker Left front i/p speaker Left front low level audio sig Left front seat left speaker (+) Left front seat left speaker (-) Left front seat right speaker (+) Left front seat right speaker (-) Left front speaker (+) Left front speaker (-) Left front woofer speaker (+) Left front woofer speaker (-) Left rear lo lev aud sig Left rear lo lev audio (-) Left rear midrange speaker (+) Left rear midrange speaker (-) Left rear shelf speaker (+) Left rear shelf speaker (-) Lh front low level audio sig (-) Noise compensation microphone Noise reduc mic drain wire Noise reduction mic Passenger seat left speaker Passenger seat right speaker Rear sbwfr speaker (-) Rear subwoofer speaker (+) Red Rh front low level audio sig (-) Right front i/p speaker Right front low level audio sig Right front seat left speaker (+) Right front seat left speaker (-) Right front seat right speaker (+) Right front seat right speaker (-) Right front speaker (+) Right front speaker (-) Right front woofer speaker (+) Right front woofer speaker (-) Right rear lo lev aud sig Right rear lo lev audio (-) Right rear midrange speaker (+) Right rear midrange speaker (-) Right rear shelf speaker (+) Right rear shelf speaker (-) Subwoofer lo lev aud sig Tan 8-Speaker System Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for 8-Speaker System Wiring Diagram (1 of 2) for Cadillac STS V 2006: 73 (coax) (in rear compartment, near right rear strut tower) vehicle communication interface module (vcim) (pins 11-16 not used) 3.6l 4.6l Am/fm1 Am/fm1 antenna signal Antenna Antenna 14v sw pwr Antenna 14v switched pwr Aux aud lt sig Aux aud rt sig Aux audio screen (1) Aux det sig Aux detect sig Aux vid hi sig Aux video hi sig Aux video high sig Auxiliary audio/ video control Bare Battery Case ground Cell tele voice low sig Cell tele voice sig Cell telephone voice signal Cellular microphone signal Coaxial cable Computer data lines system Drain wire Drn wire Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.6l: on left front frame rail, below left headlamp assembly) Fm1 Fm1 antenna sig Fm2 Fm2 antenna sig G402 (in rear compt, to rear of left rear shock tower) Global positioning system (gps) antenna Gps sig Ground Hot at all times Inside rearview mirror (isrvm) Interior lights system Led backlight dim cntrl Left audio signal (1) Left front lo lev aud (-) Left front lo lev aud sig Left tv audio signal Lo speed gmlan ser data Nca Pnk Radio Radio antenna coax Radio antenna module (above center rear of headliner) Radio rear window antenna Radio/ onstar fuse 10a Rear object sensor control module (in left side of rear compt, under rear shelf) Right audio signal (1) Right front lo lev aud (-) Right front lo lev aud sig Right rear fuse block (under right side of rear seat) Right tv audio signal S15 S18 Satellite radio circuit Splice pack Tan Tv audio lo ref Vics-fm3 antenna Voice recog aud low ref Voice recog aud sig Vss W/ hid headlamps W/ vehicle communication system 8-Speaker System Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for 8-Speaker System Wiring Diagram (2 of 2) for Cadillac STS V 2006: 73 (in body harn, 40 cm from g200) (pins 20-32 not used) (pins 22-38 not used) 1.18k ohms 1.27k ohms 2.37k ohms 6.98k ohms 715 ohms Acc gap adj/ radio cntrl sig Amp fuse 30a Audio amplifier (left side of luggage compartment) Battery C276 C277 Cellular telephone voice low ref Cellular telephone voice signal Center i/p speaker Computer data lines system Cruise control system Front center spkr (+) Front center spkr (-) Fuse 2a G402 (in rear compt, to rear of left rear shock tower) Gmlan class 2 serial data Ground Harn) Hot at all times Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel) Inflatable restraint wheel steering module coil fuse holder (near base of steering column) Instrument panel module (ipm) (right side of dash, behind glove box) Left front door speaker Left front i/p speaker Left front spkr out (+) Left frt low level audio sig Left frt low level audio sig (-) Left rear door speaker Left rear fuse block (under left side of rear seat) Left rear midrange spkr out (+) Left rear midrange spkr out (-) Left steering wheel controls Left subwoofer spkr out (-) Low spd gmlan ser data Mute (gap +) Nca Ohms Pre seek Rear subwoofer speaker Rear subwoofer spkr (+) Red Rem radio cntrl head accy pwr Right front door speaker Right front i/p speaker Right front spkr out (+) Right front spkr out (-) Right frt low level audio sig Right frt low level audio sig (-) Right rear door speaker Right rear midrange spkr out (+) Right rear midrange spkr out (-) Right steering wheel controls S205 S207 (in body harn, 58 cm from g200) S208 (in body harn, 36 cm from g201) S209 (in body harn, 41 cm from g201) S225 S229 (in steering column harn) Seek dn Seek up Srce (gap -) Tan Voice req Vol down Vol up Satellite Radio Wiring Diagram for Cadillac STS V 2006 List of elements for Satellite Radio Wiring Diagram for Cadillac STS V 2006: 19 (coax) (in rear compt, to rear of right rear shock tower) g401 Antenna sig Aux aud scrn Bare Battery Cellular navigation & digital radio antenna Computer data lines system Digital radio receiver (on right side of package shelf) Drain wire Ground Hot at all times Lh tv aud sig Low ref Radio Rf htd st/ s-band fuse 20a Rh tv aud sig Right rear fuse block (under right side of rear seat) Serial data
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Cadillac STS V 2006 List of elements for Shift Interlock Wiring Diagram for Cadillac STS V 2006: 26 3.6l 4.4l 4.4l 3.6l & 4.6l 4.6l 5v ref A/t shift lock ctrl solenoid Automatic transmission shift lever assembly Brake pedal position sensor (attached to top of brake pedal assembly) C117 Computer data lines system Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.6l: on left front frame rail, below left headlamp assembly) Hot at all times Instrument panel module (ipm) (right side of dash, behind glove box) Left rear fuse block (under left side of rear seat) Logic Low ref Remote control door lock receiver (rcdlr) (under rear speaker shelf) S113 (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) Sens sig Serial data Serial data wake up Serial data wakeup Shift lock control Shift park signal Theft/ shifter fuse 10a Transmission control module (tcm) (right front corner of engine compt, on underhood fuse block)
STARTING/CHARGING Charging Wiring Diagram for Cadillac STS V 2006 List of elements for Charging Wiring Diagram for Cadillac STS V 2006: 35 3.6l 4.4l 4.6l Battery Battery indicator Computer data lines system Current sensor low ref Current sensor sig Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.6l: on left front frame rail, below left headlamp assembly) Fusible link G105 (at back of underhood fuse block) G106 (on rear side of right cylinder head) G200 (behind left kick panel) Gen f-term Gen l-term Generator Gmlan ecm Gnd Hi speed gmlan serial data + Hi speed gmlan serial data - Hot w/ run/crank relay energized Ign Ign 1 voltage Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Lo spd gmlan serial data Logic Pnk Power distribution system Red Splice pack sp201 (under dashbaord, near firewall grommet) Starter Tan Tcm/ipc fuse 15a Underhood fuse block (right front side of engine compt) Starting Wiring Diagram for Cadillac STS V 2006 List of elements for Starting Wiring Diagram for Cadillac STS V 2006: 48 3.6l 3.6l & 4.6l 4.4l 4.6l Automatic transmission Battery Charging circuit Computer data lines system Engine control module (ecm) (3.6l: front of engine, on right valve cover) (4.6l: on left front frame rail, below left headlamp assembly) G100 (on rear side of right cylinder head) G104 (on right front frame rail, near bumper bracket) G105 (at back of underhood fuse block) G106 (on rear side of right cylinder head) G113 (front center of right front cylinder head) Hi speed gmlan serial data + Hi speed gmlan serial data - Hot in run or start Ignition mode data signal Ignition mode switch Instrument panel module (ipm) (right side of dash, behind glove box) Internal mode switch (ims) Ipm high speed gmlan serial data + Ipm high speed gmlan serial data - Nca Off Park/ neutral sig Park/neutral signal Pnk R43 R44 R45 R46 R63 R64 R65 R66 Red Run/ crank relay S106 Start Starter Starter fuse 30a Starter relay Starter relay coil control Str rly fuse 10a Tan Transmission control module (tcm) Underhood fuse block (right front side of engine compartment)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac STS V 2006: 71 (in rear compartment, to rear of left rear shock tower) g402 (under center console) g306 Air bag fuse 10a Battery b+ Case ground Drvr pretensioner high Drvr pretensioner low Drvr seat belt sw low Drvr seat belt sw sig Forward sensor sig Gmlan serial data Gnd Hot at all times Hot w/ ign 1 relay energized Ignition 1 Inflatable restraint i/p module indicator Inflatable restraint passenger presence system (pps) module (under passenger's seat) Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console) L side impact mod high L side impact mod low Left front seat Left inflatable restraint front end sensor (left side of upper radiator support) Left inflatable restraint side impact module (left side of left front seat back) Left inflatable restraint side impact sensor (on base of left "b" pillar, behind trim panel) Left rear fuse block (under left side of rear seat) Left seat belt pretensioner (left side of left front seat back) Lf discriminating low Lf head curtain high Lf head curtain low Lf side impact sig Lf side impact voltage Nca Occ sensor serial data Off ind On ind On ind ctrl Pass i/p stage 1 high Pass i/p stage 1 low Pass i/p stage 2 high Pass i/p stage 2 low Pass pretensioner high Pass pretensioner low Passenger air bag ind Pnk R side impact mod high R side impact mod low Rf discriminating low Rf discriminating sig Rf head curtain high Rf head curtain low Rf side impact sig Rf side impact voltage Right front seat Right inflatable restraint side impact module (right side of right front seat back) Right inflatable restraint side impact sensor (on base of right "b" pillar, behind trim panel) Right rear fuse block (under right side of rear seat) Right seat belt pretensioner (right side of right front seat back) S18 S19 S20 S21 Seat belt ind Serial data Shorting bar Signal ground Splice pack Steer whl stage 1 high Steer whl stage 1 low Steer whl stage 2 high Steer whl stage 2 low Tan Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac STS V 2006: 36 (in left front seat belt buckle) left front seat belt switch (left "b" pillar) left front seat belt retractor (right "b" pillar) right front seat belt retractor (to left of driver's seat, on left frame rail) Air bag ind Front passenger door module (fpdm) (inside right front door) G307 Gmlan (sdm) Gmlan serial data Hot w/ run relay energized Ign Ign 3 fuse 10a Inflatable restraint i/p module (right side of dash) Inflatable restraint steering wheel module (on steering wheel) Inflatable restraint steering wheel module coil (top of steering column, behind steering wheel) Instrument panel cluster (ipc) Left inflatable restraint roof rail module (in passenger compartment roof rail, on left side, above "b" pillar) Left rear fuse block (under left side of rear seat) Logic Nca Pass seat belt ind Pnk Right front seat belt switch (in right front seat belt buckle) Right inflatable restraint front end sensor (right side of upper radiator support) Right inflatable restraint roof rail module (in passenger compartment roof rail, on right side, above "b" pillar) Right rear door module (rrdm) (inside right rear door) Seat belt ind Shorting bar Splice pack Splice pack sp201 (under dashboard, near firewall grommet) Splice pack sp300 Splice pack sp303 (in passenger compartment, on right frame rail, near right side of passenger seat) Stage 1 Stage 2 Tan Vehicle communication interface module (vcim) (in rear compartment, near right rear strut tower)
TRANSMISSION
3.6L VIN 7 3.6L VIN 7, A/T Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for 3.6L VIN 7, A/T Wiring Diagram (1 of 2) for Cadillac STS V 2006: 64 (3.6l: in engine harness, 387 cm from c102) (4.6l: in engine harness, 24 cm from c102) (4.6l: on left front frame rail, below left headlamp assembly) (3.6l: front of engine, on right valve cover) engine control module (ecm) (connector: right front front corner of engine compartment, on underhood fuse block) (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) 1-2 shift sol valve 1-2 shift solenoid valve 2-3 shift sol valve 2-3 shift solenoid valve 3.6l 4-5 shift sol valve 4-5 shift solenoid valve 4.6l 751 (or 1551) A/t iss hi sig A/t iss lo sig Automatic transmission Batt positive volt Brake switch sig Computer data lines system Data wake up Ecm/ tcm fuse 10a Exterior lights system G100 (on rear side of right cylinder head) G104 (on right front frame rail, near bumper bracket) G113 (front center of right front cylinder head) Ground Hi spd gmlan bus + Hi spd gmlan bus - Hi spd ser data + Hi spd ser data - Hot at all times Hot in run or start Ign 1 volt Low ref Oss hi sig Oss low sig Park/neutral sig Pc sol valve hi ctrl Pc sol valve lo ctrl Pnk Power distribution system Pressure control (pc) solenoid valve R43 R44 R45 R46 Run/ crank relay S106 (in engine harness, 20 cm from tcm connector) S113 S147 Tan Tap up/dwn sw sig Tcc brk sw sig Tcc/pwm sol ctrl Tcm/ ipc fuse 15a Tft sens sig Torque converter clutch (tcc) pwm solenoid valve Transmission control module (tcm) Transmission fluid temperature (tft) sensor Trs a Trs b Trs c Trs p Underhood fuse block (right front side of engine compt) 3.6L VIN 7, A/T Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for 3.6L VIN 7, A/T Wiring Diagram (2 of 2) for Cadillac STS V 2006: 30 3.6l 4.6l Automatic transmission Automatic transmission input shaft speed sensor Automatic transmission output shaft speed sensor Automatic transmission shift lever assembly D red Data wake up Enable switch G100 (on rear side of right cylinder head) G113 (front center of right front cylinder head) G201 (in passenger compt, behind right kick panel) G402 (in rear compt, to rear of left rear shock tower) Hot at all times Hot in run or start Ign 3 fuse 10a Instrument panel module (ipm) (right side of dash, behind glove box) Left rear fuse block (under left side of rear seat) Logic R21 R22 R23 R25 Run relay S106 (in engine harness, 20 cm from tcm connector) Tap down - Tap up + Tap up/ tap down trans enable switch Tap up/tap down switch Transmission manual shift shaft switch assembly
4.4L VIN D 4.4L VIN D, A/T Wiring Diagram for Cadillac STS V 2006 List of elements for 4.4L VIN D, A/T Wiring Diagram for Cadillac STS V 2006: 52 (on left front frame rail below headlamp assembly) (on rear side of right cylinder head) g100 Automatic transmission shift lever assembly B12 Battery positive volt Center high mounted stop lamp (chmsl) Control module (ebcm) (on right front corner of engine compt, behind right front wheel) Ecm/ tcm fuse 10a Ecm/tcm serial data Electronic brake Engine control module (ecm) G104 (on right front frame rail, near bumper bracket) G201 (in passenger compt, behind right kick panel) G402 (in rear compt, to rear of left rear shock tower) Ground Hi speed gmlan + Hi speed gmlan - Hot at all times Hot in run or start Ign 1 volt Ign 3 fuse 10a Instrument panel module (ipm) (right side of dash, behind glove box) Left rear fuse block (under left side of rear seat) Logic Park/neutral sig Pnk R21 R22 R23 R25 R40 R43 R44 R45 R46 Right rear fuse block (under right side of rear seat) Run relay Run/ crank relay S113 (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) S147 Stop lamp relay Stop lamp sw sig Tan Tap down - Tap up + Tap up/ tap down trans enable switch Tap up/tap down sig Tap up/tap down sw Tap up/tap down switch Tcm/ ipc fuse 15a Transmission control module (tcm) (connector: right front corner of engine compartment, on underhood fuse block) Underhood fuse block (right front side of engine compt)
4.6L VIN A 4.6L VIN A, A/T Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for 4.6L VIN A, A/T Wiring Diagram (1 of 2) for Cadillac STS V 2006: 64 (3.6l: in engine harness, 387 cm from c102) (4.6l: in engine harness, 24 cm from c102) (4.6l: on left front frame rail, below left headlamp assembly) (3.6l: front of engine, on right valve cover) engine control module (ecm) (connector: right front front corner of engine compartment, on underhood fuse block) (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) 1-2 shift sol valve 1-2 shift solenoid valve 2-3 shift sol valve 2-3 shift solenoid valve 3.6l 4-5 shift sol valve 4-5 shift solenoid valve 4.6l 751 (or 1551) A/t iss hi sig A/t iss lo sig Automatic transmission Batt positive volt Brake switch sig Computer data lines system Data wake up Ecm/ tcm fuse 10a Exterior lights system G100 (on rear side of right cylinder head) G104 (on right front frame rail, near bumper bracket) G113 (front center of right front cylinder head) Ground Hi spd gmlan bus + Hi spd gmlan bus - Hi spd ser data + Hi spd ser data - Hot at all times Hot in run or start Ign 1 volt Low ref Oss hi sig Oss low sig Park/neutral sig Pc sol valve hi ctrl Pc sol valve lo ctrl Pnk Power distribution system Pressure control (pc) solenoid valve R43 R44 R45 R46 Run/ crank relay S106 (in engine harness, 20 cm from tcm connector) S113 S147 Tan Tap up/dwn sw sig Tcc brk sw sig Tcc/pwm sol ctrl Tcm/ ipc fuse 15a Tft sens sig Torque converter clutch (tcc) pwm solenoid valve Transmission control module (tcm) Transmission fluid temperature (tft) sensor Trs a Trs b Trs c Trs p Underhood fuse block (right front side of engine compt) 4.6L VIN A, A/T Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for 4.6L VIN A, A/T Wiring Diagram (2 of 2) for Cadillac STS V 2006: 30 3.6l 4.6l Automatic transmission Automatic transmission input shaft speed sensor Automatic transmission output shaft speed sensor Automatic transmission shift lever assembly D red Data wake up Enable switch G100 (on rear side of right cylinder head) G113 (front center of right front cylinder head) G201 (in passenger compt, behind right kick panel) G402 (in rear compt, to rear of left rear shock tower) Hot at all times Hot in run or start Ign 3 fuse 10a Instrument panel module (ipm) (right side of dash, behind glove box) Left rear fuse block (under left side of rear seat) Logic R21 R22 R23 R25 Run relay S106 (in engine harness, 20 cm from tcm connector) Tap down - Tap up + Tap up/ tap down trans enable switch Tap up/tap down switch Transmission manual shift shaft switch assembly
TRUNK, TAILGATE, FUEL DOOR Trunk Release Wiring Diagram for Cadillac STS V 2006 List of elements for Trunk Release Wiring Diagram for Cadillac STS V 2006: 44 7.5a Computer data lines system Driver door module (ddm) (inside driver door) Driver door switch assembly (ddsa) Fd1 Fd2 G200 (in passenger compt, behind left kick panel) G402 (in rear compt, to rear of left rear shock tower) Ground Hot at all times Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Interior lights system Interior rear compartment lid release switch Left rear fuse block (under left side of rear seat) Logic Mess req Message center R31 R32 R33 R35 Rear compart lid ajar switch signal Rear compartment lid release actuator (on center rear of rear compartment lid) Rear integration module (rim) (in left side of rear compartment, under rear shelf) Relay ctrl Right rear fuse block (under right side of rear seat) S20 S21 S22 S23 S500 S501 Serial data Serial data c1 Signal ground Splice pack Splice pack sp201 (on dash harness, under dashboard, near firewall grommet) Switch signal Trk dr rel relay Trunk diode Trunk dr/ valet fuse Trunk open Valet switch
WARNING SYSTEMS Warning Systems Wiring Diagram for Cadillac STS V 2006 List of elements for Warning Systems Wiring Diagram for Cadillac STS V 2006: 76 (in passenger compt, to left of driver seat, on left frame rail) g307 Air bag fuse 10a Audible alarm Auto Battery positive volt Class 2 serial data Computer data lines system Door ajar signal Door ajar sw signal Door open signal Driver door key sw sig Driver door key sw signal Driver door latch assembly (in middle rear of driver door) Driver door module (ddm) (inside driver door) Driver seat belt sw G101 (near left front strut tower, at bottom of inside fender well) G200 (in passenger compt, behind left kick panel) G201 (in passenger compt, behind right kick panel) G307 (in passenger compt, to left of driver seat, on left frame rail) Gmlan Gmlan serial data Gnd Ground Hdlp Headlamps on sig Hot at all times Hot w/ ign1 relay energized Hot w/ park lamp relay energized Hot w/ run relay energized Ign 3 fuse 10a Inflatable restraint i/p module indicator Inflatable restraint sensing & diagnostic module (sdm) (under rear of center console) Instrument panel cluster (ipc) Instrument panel module (ipm) (right side of dash, behind glove box) Ipc Ipm/aldl fuse 10a Keyless entry/ tire pressure antenna signal Left front seat belt retractor (left "b" pillar) Left front seat belt switch (in left front seat belt buckle) Left front tire pressure monitor sensor Left rear fuse block (under left side of rear seat) Left rear tire pressure monitor sensor Lf door sw sig Lic/dimming fuse 7.5a Logic Low ref Low spd serial data Low speed gmlan serial data Low tire pressure indicator Off Park lamp on sw sig Pass seat belt sw Passenger seat belt ind ctrl Pnk Rear window keyless entry antenna Remote control door lock receiver (rcdlr) (under rear speaker shelf) Right front seat belt retractor (right "b" pillar) Right front seat belt switch (in right front seat belt buckle) Right front tire pressure monitor sensor Right rear fuse block (under right side of rear seat) Right rear tire pressure monitor sensor S18 S20 S210 S226 S500 Seat belt indicator Serial data Signal ground Solid state Splice pack Splice pack sp303 (in passenger compt, on right frame rail, near right side of passenger seat) Tan Turn signal/ multifunction switch Underhood fuse block (right front side of engine compt) Volt check fuse 10a
WIPER/WASHER Wiper/Washer Wiring Diagram (1 of 2) for Cadillac STS V 2006 List of elements for Wiper/Washer Wiring Diagram (1 of 2) for Cadillac STS V 2006: 47 (not used) Acc volt Accessory relay G101 (near left front strut tower, at bottom of inside fender well) G104 (on right front frame rail, near bumper bracket) Ground Hdlp relay control High Hot at all times Hot in acc or run Hot in run or start Instrument panel module (ipm) (right side of dash, behind glove box) Int Left heated washer nozzle Low Mist Navigation system Off Pnk R35 R36 R37 R38 R43 R44 R45 R46 Right heated washer nozzle Run/ crank relay Sns sig 1 Sns sig 2 Tan Underhood fuse block (right front side of engine compt) Wash Wash noz/aqs fuse 10a Washer fluid level sig Washer pump ctrl Wcr/wce Windshield wiper/ washer module (left rear of engine compt, near windshield) Windshield wiper/washer switch assembly Wiper mtr high speed Wiper sw on signal Wiper sw signal 1 Wiper sw signal 2 Wiper switch Wpr mod fuse 30a Wpr sw fuse 7.5a Wiper/Washer Wiring Diagram (2 of 2) for Cadillac STS V 2006 List of elements for Wiper/Washer Wiring Diagram (2 of 2) for Cadillac STS V 2006: 25 A c1 A c2 A c3 Acc volt B c1 B c2 B c3 G101 (near left front strut tower, at bottom of inside fender well) G402 (in rear compt, to rear of left rear shock tower) Ground Hdlp wash circuit breaker opt 30a Hdlp wash relay jumper Headlamp washer fluid pump Headlamp washer fluid pump relay (w/ high pressure headlamp washer) (mounted to core support, in front of underhood fuse block) Hot at all times Outside moisture sensor (if equipped) (behind inside rearview mirror) Rain ssr fuse 7.5a S310 Sns sig 1 Sns sig 2 Tan Underhood fuse block (right front side of engine compt) Windshield washer fluid level switch Windshield washer fluid pump Windshield/ headlamp washer motor assembly
