Diagram sections — 32 (66 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 POWER DISTRIBUTION POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005: 74 (in instrument panel harness, approximately 5 A/c comp fuse 15 10a A/c comp relay 35 A/c compressor clutch A/c off switch B12 Bat Blower ctrl Blower speed switch Body control module (bcm) (behind right side of dash) C1 c10 C4 d8 pnk Cm (1.9 in) from blower motor control module connector breakout) Coolant level switch (left side of engine compt) Coolfan fuse 32 40a Defog rly ctrl Defogger system Defrost frost Defrost switch Dr ctrl a Dr ctrl b E1 c2 F13 F14 F7 c3 G101 G102 G202 Gnd H13 H14 Hot at all times Hot w/ run/ crank relay energized Hvac control module (at center of dash) Hvac fuse 28 40a Hvac/ pwr send fuse 9 10a Ign Ign 1 relay 44 Ign 1 voltage Ind ctrl Info not available Interior lights system Isrvm/ hvac fuse 14 10a Lamp ctrl Left air temperature switch Light sens sig Logic Low ref Mirrors system Mode ctrl Mode switch Mtr spd ctrl Off ctrl Pnk Recirc ctrl Recirculation switch Right air temperature switch S231 Seats system Sens sig Serial data Speed ctrl Splice pack sp101 (in forward lamp harness, in engine compartment, on upper left frame rail, grounded to g101) Splice pack sp102 (in forward lamp harness, in engine compartment, on upper right frame rail, grounded to g102) Splice pack sp202 (in instrument panel harness, in passengers compartment, at base of right a pillar behind trim panel, grounded to g202) Sply voltage Sply voltage 4 Sunload sig Tan Temp ctrl Temp ctrl sig Transmissions system Underhood fuse block (right rear of engine compt) Valet sw sig Automatic A/C Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005: 51 (behind lower right front fender) engine control module (ecm) (in instrument panel harness, in passengers compartment, at base of right a pillar behind trim panel, grounded to g202) (lower front of engine) cooling fan (passenger power seat harness, approximately 4.0 cm (1.5 5v ref A/c refrigerant pressure sensor (right side of engine compt) Ambient air temperature sensor (lower right front of engine compt) Aspirator blower motor Bat Blower motor control processor (right side of blower motor) Check gages Computer data lines system Coolant over temp engine hot/stop engine low coolant Engine coolant temperature (ect) sensor G102 G202 Gnd Head up display (hud) Hot engine-a/c off service a/c Hud class 2 serial data Hud message center In) from breakout for passenger seat relay center connector c1) Inside air temperature sensor (lower left side of dash) Instrument panel cluster (ipc) Ipc class 2 serial data Left air temperature actuator (left side of hvac module) Logic Low ref Low ref c2 tan Lower left air temperature sensor (on left side of hvac module) Lower right air temperature sensor Message center Message request Mode actuator (right side of hvac module) Pnk Recirculation actuator (right side of blower motor) Right air temperature actuator (right side of hvac module assembly) Rly ctrl S242 Sens sig Serial data + Serial data - c1 tan Spd ctrl Speed ctrl Splice pack sp102 Splice pack sp202 (in instrument panel harness, in passengers compt, at base of right a pillar behind trim panel) Sunload sensor assembly (upper center of dash) Tan Upper left air temperature sensor (behind left center of dash) Upper right air temperature sensor (upper right of dash) Compressor Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Compressor Wiring Diagram for Cadillac XDiscovery 2005: 16 A/c comp fuse 15 10a A/c comp relay 35 A/c compressor clutch C1 c10 E1 c2 Engine control module (ecm) (behind lower right front fender) F13 F14 G102 H13 H14 Hot at all times Ign 1 relay 44 Rly ctrl Splice pack sp102 (in forward lamp harness, in engine compartment, on upper right frame rail, grounded to g102) Underhood fuse block (right rear of engine compt)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005 List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005: 84 5v ref A10 A11 A12 A13 A14 Abs fuse 27 60a Abs ind Abs/mrrtd fuse 1 10a Accelerometer lateral B + B10 B11 B12 B13 B14 B16 Bat Brake fluid level switch Brake fluid pressure sensor (left front of engine compt) Brake ind Brk fluid lvl sens signal Brk fluid press sens sig C10 C11 C12 C13 C14 Computer data lines system Electronic brake control module (ebcm) (left front of engine compt) Electronic power steering system F10 F11 G101 G105 (left side of engine) Gmlan Gmlan serial data (+) Gmlan serial data (-) Hot at all times Hot in on or start Ign 1 voltage Instrument panel cluster Ipc Ipc class 2 serial data Lateral accelerometer sig Left front wheel speed sensor (at left front hub assembly) Left rear wheel speed sensor (at left rear hub assembly) Lf spd sens low ref Lf wheel sens sig Logic Low ref Lr spd sens low ref Lr spd sens sig Message center Message request Pnk Power distribution system Rf spd sens low ref Rf spd sens sig Right front wheel speed sensor (at right front hub assembly) Right rear wheel speed sensor (at right rear hub assembly) Rr spd sens low ref Rr spd sens sig S191 S193 S195 S238 S244 Sensor Sig grd Splice pack sp101 (in forward lamp harness, in engine compartment, on upper left frame rail, grounded to g101) Steering angle sensor Steering sol ctrl Strg sol voltage sply Strg whl pos sig a Strg whl pos sig b Strng wheel pos sig a Strng wheel pos sig b Tan Traction control ind Underhood fuse block (right rear of engine compt) Yaw & lateral accelerometer sensor (behind center of dash) Yaw rate sens sig Yaw rate sens sig (1) Anti-lock Brakes Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005 List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005: 26 5v ref Body control module (bcm) (behind right side of dash) Brake pedal position sensor Brk pos sens sig C3 a4 C4 c4 Class 2 serial data Computer data lines system Data bus (-) gmlan serial Engine control module (ecm) (behind lower right front fender) Engine controls system Exterior lights system G202 Gmlan serial data bus (+) Gmlan serial data bus (-) Interior lights system Logic Low ref S246 Splice pack sp202 (in instrument panel harness, in passengers compartment, at base of right a pillar behind trim panel, grounded to g202) Stop lamp sw sig Sw sig stop lmp Tan Trac ctrl sw sig Traction control switch Underhood fuse block (right rear of engine compt)
ANTI-THEFT Anti-theft Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005 List of elements for Anti-theft Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005: 53 k/e ant b-u sig A/t shft lk ctrl Ajar Back up keyless entry antenna Battery Clsd D11 Data link connector Door ajar sw Door latch Door open sw Dr lk act ctrl Driver door latch Dvr drlk act Ecm/ tcm fuse 11 15a Ekm ign mod data Front passenger door latch G104 (in engine compt, in i/p harness by fuse underhood block) G301 G302 Ground Hot at all times Ign 1 volt Ignition mode switch K/e antenna sig K/e b-u lo ref K/e low ref K/e right sig K/e rr compt sig K/e rt low ref Left frnt int dr Left keyless entry antenna Lf frt dr ext dr Open Pnk Rear compartment keyless entry antenna Remote control door lock receiver (rcdlr) (right side of dash) Rfa class 2 data Right keyless entry antenna Rr compt lo ref Rt frnt int dr Rt frt ext dr S232 S375 Shift interlock system Splice pack sp205 (in instrument panel harness, in passenger compt, behind lower left of i/p by park brake assembly) Splice pack sp208 (in instrument panel harness, in passenger compt, behind right side of i/p below inflatable restraint i/p module by auxiliary power relay) Splice pack sp301 (in instrument panel harness, in passenger compt, on left "b" pillar behind trim panel, grounded to g301) Splice pack sp302 (in instrument panel harness, in passenger compt, on right "b" pillar behind trim panel, grounded to g302 (ckt 750)) Tan Trunk rel sw sig Trunk, tailgate, fuel doors system Underhood fuse block (right rear of engine compt) Anti-theft Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005 List of elements for Anti-theft Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005: 57 Acca/ driv dr sw fuse 25 10a B(+) Battery Body control module (bcm) (behind right side of dash) Class 2 (bcm) Class 2 data Door ltch ctrl Dr ajar sw sig Dr lk ind Dr open sw sig Driver door lock indicator Driver door lock switch Driver door module (in driver's door) Driver door switch assembly Driver exterior door handle switch (in driver's door handle assembly) Driver interior door handle switch (on driver inner door panel) Exterior lights system Front passenger door lock switch Front passenger door module (fpdm) (in front door) G201 G202 Ground Handle sw sig Horn rel cntrl Horns system Hot at all times Ign 1 volt Ignition sw/intr sens fuse 27 10a Instrument panel cluster (ipc) Interior lights system Ipc class 2 serial data Lcd lamp Lock Lock cntrl Lock sig Logic Nca Passenger door lock indicator Passenger exterior door handle switch (in driver's door handle assembly) Passenger interior door handle switch Pk lamp rel Pnk Rear compartment lid pull down actuator S353 (8 cm left of sp400) S539 S579 S640 S680 Security ind Serial data Splice pack sp201 (in instrument panel harness, in passenger compt, at base of left "a" pillar behind trim panel, grounded to g201) Splice pack sp202 (in instrument panel harness, in passenger compt, at base of right "a" pillar behind trim panel, grounded to g202) Tan Trk ajar sw sig Un- lock Unlock cntrl Unlock sig
BODY CONTROL MODULES Body Control Modules Wiring Diagram (1 of 4) for Cadillac XDiscovery 2005 List of elements for Body Control Modules Wiring Diagram (1 of 4) for Cadillac XDiscovery 2005: 52 Accessory voltage Battery Bcm class 2 serial data Body control module (bcm) (behind right side of dash) Chime ctrl Computer data lines system Door locks & interior lights systems Door locks fuse 5 15a Door locks system Engine controls, transmissions & wiper/washer systems Exterior lights system Fog lamp rly ctrl G104 (in engine compartment, in i/p harness by fuse underhood block) Headlamp hi beam rly ctrl Headlamp washer rly ctrl Headlights system Horn rly ctrl Horns system Hot at all times Ign mode sw pwr Ignition mode sw ctrl Ignition mode sw start led sig Interior lights fuse 6 10a Left tail lamp out detect sig Lf door ajar sw sig Lf door open sw sig Lf turn sig lamp pwr Logic Navigation systems (parking assist circuit) Park brake rly ctrl Park lamp relay ctrl Pnk Power distribution system Rap rly coil pwr Rear compt lid ajar sw sig Rf door ajar sw sig Rf door open sw sig Rf turn sig lamp pwr Right tail lamp out detect sig S232 Shift interlock system (park brake release circuit) Signal ground Tan Tap up/down enable sig Transmissions system Trunk key sw sig Trunk release rly ctrl Trunk. tailgate, fuel doors & door locks systems Trunk. tailgate, fuel doors system Windshield washer sw sig Windshield wiper mtr rly coil pwr Wiper/washer system Body Control Modules Wiring Diagram (2 of 4) for Cadillac XDiscovery 2005 List of elements for Body Control Modules Wiring Diagram (2 of 4) for Cadillac XDiscovery 2005: 44 A10 A11 A12 B10 B11 B12 Backup lamp pwr Batt 3 fuse 26 60a Batt 5 fuse 7 30a Battery Body control module (bcm) (behind right side of dash) C10 C11 C12 Computer data lines system Courtesy lamp ctrl D10 D11 D12 Door lock actuator unlock ctrl Door locks system Electronic ctrl unit 12v ref Exterior lights system Hot at all times Ign 1 voltage Ign mode sw led pwr Interior lights system Logic Navigation system (parking assist circuit) Pnk Power distribution & navigation systems Power distribution & seats systems Power distribution & shift interlock systems (park brake release circuit) Power distribution & transmissions systems Power distribution & wiper/washer systems Power distribution system Run/crnk ign 1 voltage S208 Shift interlock system (park brake release circuit) Sound systems Stop/bu lps fuse 5 15a Tan Trunk, tailgate, fuel doors system Under- hood fuse block (right rear of engine compartment) Body Control Modules Wiring Diagram (3 of 4) for Cadillac XDiscovery 2005 List of elements for Body Control Modules Wiring Diagram (3 of 4) for Cadillac XDiscovery 2005: 50 A10 A11 A12 Accessory voltage Air conditioning system B10 B11 B12 Backup lamp pwr Battery Body control module (bcm) (behind right side of dash) C10 C11 C12 Courtesy lamp sw sig D10 D11 D12 E10 E11 E12 Electronic ctrl unit 12v ref (3) Exterior lights & instrument cluster systems Exterior lights system F10 F11 F12 G202 Ground Ign 1 voltage Ignition 1 voltage Instrument cluster system Interior lights system Logic Pnk Power distribution Power distribution & cruise control systems Power distribution & door locks systems Power distribution & engine controls systems Power distribution & exterior lights systems Power distribution & navigation systems Power distribution & transmissions systems Power distribution system Power distribution, air conditioning & mirrors systems Power distribution, electronic power steering, power tops & seats systems Run/crnk voltage Sound systems Splice pack sp202 (in instrument panel harness, in passengers compartment, at base of right a pillar behind trim panel) Stop lamp sw sig Stop lamp voltage Body Control Modules Wiring Diagram (4 of 4) for Cadillac XDiscovery 2005 List of elements for Body Control Modules Wiring Diagram (4 of 4) for Cadillac XDiscovery 2005: 37 Adptv crs ctrl gap up/dwn sw sig Anti-lock brakes system Body control module (bcm) (behind right side of dash) Brake pedal pos sen sig Brake pos sens 5v ref Brake pos sens low ref Computer data lines system Crs ctrl set/cst/res/accl sw sig Cruise control system Exterior lights system Flash to pass sig Front fog lamp sw sig Hazard switch sig Headlamp dimmer sw hi beam sig Headlamp low beam rly ctrl Headlamps sw on sig Headlights system High speed gmaln ser bus + High speed gmaln ser bus - Horn rly ctrl Horns system Ign mode sw accy led sig Ign mode sw off led sig Lf turn sig sw sig Logic Park brake rly ctrl Park lamp sw off sig (2) Park lamp sw sig Pnk Power distribution Power distribution system Rf turn sig sw sig Shift interlock system (park brake release circuit) Shift sel sw park sig Tan Traction ctrl sw sig (2) Transmissions system
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Computer Data Lines Wiring Diagram for Cadillac XDiscovery 2005: 44 Audio amplifier B10 B11 B12 Body control module (bcm) (behind right side of dash) Cd player (remote playback device) Class 2 serial data Class serial data D14 Data link connector Digital radio receiver Distance sensing cruise control module (center front of engine compt) Driver door module (ddm) (in driver's door) Driver door switch assembly (ddsa) Driver's seat) Electronic brake control module (ebcm) (left front of engine compt) Electronic suspension control (esc) module (left rear of luggage compt) Engine control module (ecm) (behind lower right front fender) F14 Folding top module (in center of luggage compt) Front passenger door module (fpdm) (in front door) G104 (in engine compt, in i/p harness, by fuse underhood block) G201 Gmlan data bus + Gmlan data bus - Head up display (hud) High speed gmlan serial data bus + High speed gmlan serial data bus - Hot at all times Hvac control module (at center of dash) Inflatable restraint sensing & diagnostic module (sdm) (located underneath vehicle console) Instrument panel cluster (ipc) Memory seat module (under Pnk Radio Rear fog/ aldl top sw fuse 18 10a Remote control door lock receiver (rcdlr) (right side of dash) S232 Splice pack sp201 (in instrument panel harness, in passengers compartment, at base of left a pillar behind trim panel) Splice pack sp205 (in instrument panel harness, in passengers compartment, behind lower left of i/p by park brake assembly) Splice pack sp208 (in instrument panel harness, in passengers compartment, behind right side of i/p below inflatable restraint i/p module by auxiliary power relay) Tan Transmission control module (tcm) (behind lower right side of front fender) Vehicle communication interface module (vcim) (at front of right wheelwell)
COOLING FAN Cooling Fan Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Cooling Fan Wiring Diagram for Cadillac XDiscovery 2005: 36 5v ref B12 Bat Check gages Computer data lines system Coolant level switch (left side of engine compt) Coolant over temp engine hot/stop engine low coolant Coolfan fuse 32 40a Cooling fan (lower front of engine) Engine control module (ecm) (behind lower right front fender) Engine coolant temperature (ect) sensor F7 c3 G101 G102 Gnd Head up display (hud) Hot at all times Hud class 2 serial data Hud message center Hvac control module (at center of dash) Ind ctrl Instrument panel cluster (ipc) Ipc class 2 serial data Logic Low ref Message center Message request Sens sig Serial data Serial data + Serial data - Speed ctrl Splice pack sp101 (in forward lamp harness, in engine compt, on upper left frame rail) Splice pack sp102 (in forward lamp harness, in engine compt, on upper right frame rail) Tan Underhood fuse block (right rear of engine compt)
CRUISE CONTROL Cruise Control Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Cruise Control Wiring Diagram for Cadillac XDiscovery 2005: 70 1.27k 1.6k 5.36k 5v ref Acc/ tcm fuse 3 10a Acca/driv dr sw fuse 25 10a Alert distance cruise speed limited follow distance set speed set xx mph tight curve Automatic transmission B1 c2 Bcm high speed gmlan serial data bus + Bcm high speed gmlan serial data bus - Bk pos sens sw Body control module (bcm) (behind right side of dash) Brake pedal position sensor C10 c1 C4 c4 Clean radar cruise cruise disengage cruise not ready cruise set xx mph service radar cruise Computer Computer data lines system Cruise cntl set/coast sw signal & resume/ accel sw signal Cruise control switch Data bus + Data bus - Data lines Distance sensing cruise control module (center front of engine compartment) E11 E8 c4 Engine control module (ecm) (behind lower right front fender) G102 Gap adj switch signal Gmlan serial data bus + Gmlan serial data bus - Ground Head up display (hud) Hot at all times Hot in on or start Hud class 2 serial data Hud message center Ignition 1 voltage Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Logic Low ref Message center Message request Nca Off Oss high sig Oss low sig Pnk Resume/accel Run/ crank relay Run/ crank relay control Serial data bus + Serial data bus - Set/coast Sp102 (in forward lamp harness, in engine compt, on upper right frame rail, grounded to g102) Steering wheel control switch assembly Stop lamp sw sig System Tac motor -1 Tac motor -2 Tan Throttle actuator control (tac) motor Transmission control module (behind lower right side of front fender) Turn signal/multi-function switch Tutd sw/ strg col sw fuse 15 2a Under- hood fuse block Underhood fuse block (right rear of engine compartment) Underhood fuse block (right rear of engine compt)
DEFOGGERS Defoggers Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Defoggers Wiring Diagram for Cadillac XDiscovery 2005: 35 A18 A19 Batt 2 fuse 29 40a C18 C19 Class 2 ser data Computer data lines system Defog ctrl Defog rly ctrl Defogger switch Driver door module (in driver's door) Driver outside rearview mirror Front passenger door module (in front door) G201 G202 G301 Heated mirror element Hot at all times Htd mirror elmnt pwr Hvac control module (at center of dash) Ign Nca Passenger outside rearview mirror Rear defog relay 4 Rear window Rear window defogger grid Red S335 S539 S640 Sp201 (at base of left "a" pillar behind trim panel) Sp202 (at base of right "a" pillar behind trim panel) Sp301 (on left "b" pillar behind trim panel) Tan Under- hood fuse block (right rear of engine compt)
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Electronic Power Steering Wiring Diagram for Cadillac XDiscovery 2005: 27 (in left power seat harness, approximately 2.5 cm from breakout for c301) s244 5 volt ref Abs fuse 27 60a B12 B13 B14 Computer data lines system Electronic brake control module (ebcm) (left front of engine compt) G105 (left side of engine, near brake pressure modulator valve) Gmlan bus + Gmlan bus - Ground Hot at all times Low ref Red S195 S238 (in instrument panel harness) Signal a Signal b Steering angle sensor Str whl pos sig a Str whl pos sig b Tan Underhood fuse block (right rear of engine compt) Variable effort steering actuator (lower front of vehicle, on steering gear) Vesa control Vesa sup volt
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Electronic Suspension Wiring Diagram for Cadillac XDiscovery 2005: 53 5v reference A12 Abs/ mrrtd fuse 1 10a Batt Battery voltage Body control module (bcm) (behind right side of dash) Cluster fuse 8 15a Computer data lines system D10 Electronic suspension control module (left rear of luggage compt) F11 G402 (on right rear frame, by right rear wheel well) Gmlan ser data Ground Hot at all times Hot in on or start Ignition voltage Instrument panel cluster (ipc) Ipc class 2 Left front suspension damper Left front suspension position sensor (top of right front suspension) Left rear suspension damper Left rear suspension position sensor (at top of left rear suspension) Lf damper ctrl Lf damper out Lf position sens Logic Lr damper ctrl Lr damper out Lr position sens Message center Message request Mrrtd fuse 13 25a Nca a Nca b Pnk Power distribution system Red Rf damper ctrl Rf damper out Rf position sens Right front suspension damper Right front suspension position sensor (at right front upper control arm) Right rear suspension damper Right rear suspension position sensor (at top of right rear suspension) Rr damper ctrl Rr damper out Rr position sens S420 Sensor return Service ride control Tan Underhood fuse block (right rear of engine compt)
ENGINE PERFORMANCE
4.6L VIN A 4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac XDiscovery 2005 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac XDiscovery 2005: 64 (behind right side of dash) body control module (right rear of engine compt) underhood fuse block 12v ref 5v ref A/c comp cltch rly A/c press sens sig Acc vlt Acc vlt sig Accelerator pedal position sensor (behind lower left of dash) Air conditioning system Apps 1 sig Apps 2 sig B10 B14 Battery + vlt C2 a9 Class 2 ser data Computer data lines system Cooling fans system D11 Ecm fuse 12 15a Ecm/ tcm fuse 11 15a Ect fuse 9 10a Eng speed sig Engine control module (behind lower right front fender) Evap vent sol ctnl Evaporative emissions (evap) canister vent solenoid valve F10 F13 F14 Fuel pmp diag fdback Fuel pmp rly cntl H13 H14 Hi spd ser data + Hi spd ser data - Hot at all times Iat sen sig Iat sensor Ign 1 relay Ign 1 vlt Instrument panel cluster Lo spd cool fan rly Logic Low ref Maf sen sig Mass air flow (maf)/ intake air temperature (iat) sensor (front of engine compt) Mil cntl Mil ind Mrrtd fuse 25a Pnk Pwrtrain diag enable Run/ crank relay 2 Run/ crank rly ctrl S420 Sens sig Starting/charging system Stoplamp sw sig Stplmp sw sig Strtr enable rly cntl Tan To emission fuse 14 (diagram 4 of 5) Transmissions system Vehicle speed sig 4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac XDiscovery 2005 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac XDiscovery 2005: 16 (in left exhaust down pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1 (in right exhaust down pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1 (right rear of engine compt) underhood fuse block D10 pnk E10 pnk Engine coolant temperature (ect) sensor Engine oil pressure sensor Evaporative emissions (evap) canister purge solenoid From fuel b fuse 10 (diagram 4 of 5) Heated oxygen sensor (ho2s) bank 1 sensor 2 (in right exhaust pipe, after catalytic converter) Heated oxygen sensor (ho2s) bank 2 sensor 2 (in left exhaust pipe, after catalytic converter) Manifold absolute pressure (map) sensor (top front of engine) Nca O2 sen fuse 6 15a Pnk Tan 4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac XDiscovery 2005 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac XDiscovery 2005: 54 (in antenna/defogger jumper harness, approximately 20.0 cm (7.9 in) from c1 of rear defogger) (in left fuel tank) fuel pump & sender assembly (in passenger door harness, approximately 6.0 cm (2.3 in) from outside rearview mirror connector breakout, toward p600) (on left rear frame, by left rear wheel well) g401 (right rear of vehicle) fuel pump control module (top of right fuel tank) (top of right fuel tank) right fuel level sensor 5v ref A14 C3 engine control module (behind lower right front fender) Engine oil level switch Ess Fpmp diag sig Fpmp rly cntl Fpmp vlt Ftp sens sig Fuel lev sen sig Fuel level sensor Fuel pump Fuel tank pressure (ftp) sensor G102 (on upper left frame rail) Ground Head up display Ho2s hi sig b1s2 Ho2s hi sig b2s2 Ho2s htr lo cntl b1s1 Ho2s htr lo cntl b1s2 Ho2s htr lo cntl b2s1 Ho2s input pmp b1s1 Ho2s input pmp b2s1 Ho2s lo ref b2s1 Ho2s lo ref vlt b1s1 Ho2s lo sig b1s2 Ho2s lo sig b2s2 Ho2s output pmp b1s1 Ho2s output pmp b2s1 Ho2s ref vlt b1s1 Ho2s ref vlt b2s1 Ign 1 vlt Instrument panel cluster Logic Low ref Oil lev sw sig Oil pressure sen sig Park/neutral sig Pnk Radio Rear object sensor control module S460 S462 Starting/ charging system Tan Underhood fuse block (right rear of engine compt) Vss 4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac XDiscovery 2005 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac XDiscovery 2005: 28 (1.9 in) from breakout for connector c110) (in right ignition control module jumper, (in right ignition control module jumper, approximately 4.0 cm (1.5 in) from breakout for ignition coil/module 4) s135 (right rear of engine compt) underhood fuse block A11 Approximately 5.0 cm B tan B11 C8 pnk D d E9 pnk Emission fuse 14 15a Even inj fuse 16 15a From ign 1 a relay 44 (diagram 1 of 5) Fuel fuse 10 20a Fuel injector G107 (right front side of engine) Ignition coil/ module Odd inj fuse 12 15a Pnk Pnk a S131 S133 S142 S144 S146 Tan To o2 sen fuse 6 (diagram 2 of 5) 4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac XDiscovery 2005 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac XDiscovery 2005: 62 (front of engine) (right rear of engine compt by battery, ground for sp106) g106 (upper center of engine) crankshaft position sensor low ref 12v 12v ref 5v ref Camshaft position actuator solenoid bank 1 exhaust (top front of engine) Camshaft position actuator solenoid bank 1 intake (top front of engine) Camshaft position actuator solenoid bank 2 exhaust (left front of engine) Camshaft position actuator solenoid bank 2 intake (lower front of engine) Camshaft position sensor bank 1 exhaust low ref Camshaft position sensor bank 1 intake low ref Camshaft position sensor bank 2 exhaust low ref Camshaft position sensor bank 2 intake Ckp sen 1 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 exhst Cmp sen sig b1 intk Cmp sen sig b2 exhst Cmp sen sig b2 intk Ect sen sig Engine control module (behind lower right front fender) Evap can prg sol cntl Fuel inj 1 cntl Fuel inj 2 cntl Fuel inj 3 cntl Fuel inj 4 cntl Fuel inj 5 cntl Fuel inj 6 cntl Fuel inj 7 cntl Fuel inj 8 cntl G106 Gen field duty cyc sig Gen turn on sig Ground Ic 1 cntl Ic 2 cntl Ic 3 cntl Ic 4 cntl Ic 5 cntl Ic 6 cntl Ic 7 cntl Ic 8 cntl Knock sen 1 sig Knock sen 2 sig Knock sensor (ks) bank 1 (upper center of engine) Knock sensor (ks) bank 2 (upper center of engine) Low ref Map sen sig S148 Sen sig Sp106 (in engine harness, in engine compt, right rear of engine compt by battery, grounded to g106) Starting/ charging system Tac mtr cntl 1 Tac mtr cntl 2 Tan Throttle body assembly Tps 1 sig Tps 2 sig
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Back-up Lamps Wiring Diagram for Cadillac XDiscovery 2005: 35 Automatic transmission Automatic transmission shift lever B11 Backup lamp rly ctrl Body control module (bcm) (behind right side of dash) Class 2 ser data Computer data lines system Crank relay 2 energized D10 G301 G402 (on underbody, on right rear frame, by right rear wheel well) Hi spd ser data + Hi spd ser data - Hot at all times Hot w/ run/ Internal mode switch Left backup lamp Logic Pnk Reverse lamp relay 3 Reverse lamps fuse 21 10a Right backup lamp S931 Sp301 (in instrument panel harness, in passengers compartment, on left "b" pillar behind trim panel) Stop/ bu/lps fuse 15a Tan Tap dwn - Tap up + Tap up/ down switch Tap up/dwn sw Transmission control module (tcm) (behind lower right side of front fender) Trs a sig Trs b sig Tutd sw/ strg col sw fuse 15 2a Underhood fuse block (right rear of engine compt) Exterior Lamps Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005: 56 (behind lower right front fender) engine control module (ecm) (behind lower right side of front fender) transmission control module (tcm) 5v ref A12 Auto B11 Body control module (bcm) (behind right side of dash) Brake pedal position sensor Brk pos sens sig C11 C12 Center high mounted stop lamp Class 2 ser data Computer data lines system F11 G101 G102 G201 G301 Hazard sw sig Head Hot at all times Left front marker lamp Left front park lamp Left front turn signal lamp Lf trn sig vlt Lmp out det sig Logic Low ref Lt trn sig sw Off Park Park lamp relay 37 Park lamps fuse 8 10a Prk lmp rly cntl Prk lmp sw on sig Rf trn sig vlt Right front marker lamp Right front park lamp Right front turn signal lamp Rt trn sig sw S119 S120 S275 S931 Sp101 (in forward lamp harness, in engine compt, on upper left frame rail) Sp102 (in forward lamp harness, in engine compartment, on upper right frame rail) Sp201 (in instrument panel harness, in passengers compartment, at base of left a pillar behind trim panel) Sp301 (in instrument panel harness, in passengers compartment, on left "b" pillar behind trim panel) Stop/ bu/lps fuse 15a Stp lmp sw sig Tan Turn signal/ multifunction switch Under- hood fuse block (right rear of engine compt) Underhood fuse block (right rear of engine compt) Underhood fuse block (right rear of engine compt) c3 Exterior Lamps Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005: 42 A12 Body control module (bcm) (behind right side of dash) Cluster fuse 8 15a Computer data lines system D10 G201 G301 G302 Hazard switch Hot at all times Hzrd flash sig Instrument panel cluster Interior lights system Ipc Ipc class 2 data Lamp outage detection signal Left lamp tail Left license lamp Left tail Left tail lamp assembly Left turn sig ind Logic Off Right lamp tail Right license lamp Right tail Right tail lamp assembly Right turn sig ind S375 S931 S935 Sp201 (in instrument panel harness, in passengers compartment, at base of left "a" pillar behind trim panel) Sp301 (in instrument panel harness, in passengers compartment, on left "b" pillar behind trim panel) Sp302 (in instrument panel harness, in passengers compartment, on right "b" pillar behind trim panel) Stop Stop lamp relay 4 Stp lmp rly ctnl Stp lmp sw sig Tail Tan Turn Turn sig audible warning
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Cadillac XDiscovery 2005 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Cadillac XDiscovery 2005: 71 A c1 A/c compressor clutch A9 c1 Audio amplifier Battery Brake fluid level switch C10 Coolant level switch Cooling fan Data link connector (dlc) Digital radio receiver Distance sensing cruise control module E16 c1 Electronic brake control module (ebcm) Engine control module (ecm) Engine oil level switch Exhaust camshaft position (cmp) actuator solenoid- bank 1 Exhaust camshaft position (cmp) actuator solenoid- bank 2 Fog lp relay 38 Fuel rail G101 (on upper left frame rail) G102 (on upper left frame rail) G104 (in engine compt, in i/p harness by fuse un erhood block) G105 (left side of engine, near brake pressure modulator valve) G106 (right rear of engine compt, by battery, ground for sp106) G107 (right front side of engine) Hdlp wash relay 46 Headlamp washer fluid pump 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 Instrument panel cluster (ipc) Intake camshaft position (cmp) actuator solenoid- bank 1 Intake camshaft position (cmp) actuator solenoid- bank 2 Left front fog lamp Left front marker lamp Left front park lamp Left front turn signal lamp Left headlamp ballast Left headlamp high beam solenoid M14 Radio Remote control door lock receiver (rcdlr) Remote playback device- cd player Right body control module (bcm) Right front fog lamp Right front marker lamp Right front park lamp Right front turn signal lamp Right headlamp ballast Right headlamp high beam solenoid S133 (in left ignition control module jumper, approximately 5.0 cm from breakout for connector c109) S144 (in forward lamp harness, approximately 12.5 cm from ebcm connector breakout) S230 (in instrument panel harness, approximately 6.5 cm from data link connector (dlc) breakout) S232 Splice pack sp101 Splice pack sp102 Splice pack sp106 Transmission control module (tcm) Underhood fuse block (right rear of engine compt) Underhood lamp Vehicle communication interface module (vcim) Windshield washer fluid level switch Windshield washer fluid pump Wiper run/acc relay 42 Ground Distribution Wiring Diagram (2 of 3) for Cadillac XDiscovery 2005 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Cadillac XDiscovery 2005: 69 A10 c1 Automatic transmission B c1 B c2 Back up lamp- left Back up lamp- right C c1 C400 Center high mounted stop lamp (chmsl) Courtesy lamp- left door D c3 Data link connector (dlc) Diode d295 Door handle switch- driver exterior Door handle switch- driver interior Door lock indicator- driver Door lock switch- driver Door lock- driver Driver door module (ddm) Driver door switch assembly (ddsa) Electronic suspension control (esc) module Folding top module Fuel door release actuator Fuel door release switch Fuel level sensor- right Fuel pump control module G201 (at base of left "a" pillar, behind trim panel) G301 (on left "b" pillar) G401 (on left rear frame, by left rear wheel well) G402 (on underbody, on right rear frame, by right rear wheel well) Hazard switch Head up display (hud) Heated/ cooled seat module- driver Ignition mode switch Inflatable restraint steering wheel control module Instrument panel cluster (ipc) J c4 K c3 License lamp- left License lamp- right Memory seat module- driver Nca Nca b Outside rearview mirror- driver Pump & valve assembly Rear compartment lid release switch- exterior Rear compartment lid release switch- interior Rear window defogger grid S275 (in front body harness, rear defogger capacitor, approximately 20.0 cm from sp302 breakout) S293 (in driver power seat harness, under seat base) S335 (in rear body harness, approximately 3.5 cm from splice pack 400 breakout) S375 (in rear body harness, approximately 13.0 cm from c400 breakout) S379 S579 (in passenger door harness, approximately 6.0 cm from outside rearview mirror connector breakout, toward p600) S931 (in passenger door harness, approximately 6.0 cm from outside rearview mirror connector breakout, toward p600) Seat pump- driver Splice pack sp201 Splice pack sp301 Steering wheel Steering wheel control switch assembly Tail lamp assembly- left Turn signal/ multifunction switch Valve 1 Valve 2 Valve 3 Valve 4 Valve 5 Windshield wiper motor Windshield wiper/ washer switch Ground Distribution Wiring Diagram (3 of 3) for Cadillac XDiscovery 2005 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Cadillac XDiscovery 2005: 47 (front of right front footwell, behind carpet) i/p relay block Automatic transmission shift lever Auxiliary power outlet Auxiliary power relay Blower motor control processor Body control module (bcm) C1 a1 C1 c C4 e12 Cigar lighter Connector breakout, toward p600) Courtesy lamp switch- console Courtesy lamp- right door Door handle switch- passenger exterior Door handle switch- passenger interior Door lock indicator- passenger Door lock switch- front passenger Door lock- front passenger Front passenger door module (fpdm) G202 (at base of right "a" pillar) G302 (on right "b" pillar, behind trim panel) Garage door opener Heated/ cooled seat module- passenger Hvac control module I/p compartment lamp Inflatable restraint i/p module disable switch Inflatable restraint sensing & diagnostic module (sdm) Inside rearview mirror Nca Nca b Outside moisture sensor Outside rearview mirror- passenger Park bk release relay Park brk hold relay Rear compartment lid pulldown actuator Rear object sensor control module S382 Seat adjuster switch- front passenger Seat pump- front passenger Splice pack sp202 Splice pack sp302 Tail lamp assembly- right Traction control switch Valet switch Vanity mirror lamp- left Vanity mirror lamp- right Window switch- front passenger
HEADLIGHTS Headlights Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Headlights Wiring Diagram for Cadillac XDiscovery 2005: 68 (bcm) class 2 (not used) Air conditioning system Auto Body control module (bcm) (behind right side of dash) C10 Class 2 (bcm) Class 2 ser data Computer data lines system D10 F11 Fog lamp switch Fog lamps on Fog lmp rly ctrl Fog lmp sw sig Fog lp fuse 22 15a Fog relay Ftp Ftp sw sig G101 G102 G201 Hdlmps off Hdlmps on Head Head- lamps on ind Hi beam sig Hi bm rly ctrl High High beam ind High beam relay Hot at all times Hvac control module (at center of dash) Instrument panel cluster Left front fog lamp Left front turn signal lamp Left head- lamp ballast Left head- lamp high beam solenoid Left headlamp assembly Low Low beam in Low beam relay Low ref Lt hi bm fuse 24 10a Lt lo bm fuse 21 20a Nca Off Park Prk lmp on sig Right front fog lamp Right front turn signal lamp Right head- lamp ballast Right head- lamp high beam solenoid Right headlamp assembly Rt hi bm fuse 23 10a Rt lo bm fuse 19 20a S119 S120 S242 (passenger power seat harness, approx 4.0 cm from breakout for passenger seat relay center connector c1) S275 Sen sig Ser data Sp101 (in forward lamp harness, in engine compt, on upper left frame rail) Sp102 (in forward lamp harness, in engine compt, on upper right frame rail) Sp201 (in instrument panel harness, in passengers compt, at base of left a pillar behind trim panel) Sunload sensor assembly (upper center of dash) Turn signal/ multifunction switch Underhood fuse block (right rear of engine compt)
HORN Horn Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Horn Wiring Diagram for Cadillac XDiscovery 2005: 20 A10 c1 A12 c3 Body control module (bcm) (behind right side of dash) G102 G201 Horn assembly Horn fuse 2 15a Horn relay Horn rly ctrl Horn switch Hot at all times Inflatable restraint steering wheel module coil J c4 J c5 Logic Sp102 (on upper left frame rail) Sp201 (at base of left "a" pillar, behind trim panel) Steering wheel Tan Underhood fuse block (right rear of engine compt)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005: 61 (in instrument panel harness, (in passenger door harness, approximately 6 cm from outside rearview mirror connector breakout, toward p600) +5v ref Approximately 22.5 cm Battery positive voltage Belt switch Body control module (bcm) (behind right side of dash) C10 Cluster fuse 8 15a Compt) Computer data lines system D10 Ect sig Eng speed Engine control module (ecm) (behind lower right front fender) Engine controls system Engine coolant temperature sensor Engine oil level switch Engine oil pressure sensor From inside rearview mirror breakout) Fuel level sensor (left) Fuel level sensor (right) (top of right fuel tank) Fuel lvl 1 Fuel lvl 2 Fuel pump & sender assembly (in left fuel tank) G102 G201 Ground Head up display (hud) Hot at all times Hud message center Ignition Image down Image down signal Image up Image up signal Inflatable restraint sensing & diagnostic module (sdm) (center of dash) Logic Low ref Message request Mil ctrl Oil level Oil press Pnk Radio Rear object sensor control module S211 S391 (in rear body harness, approximately 6.5 cm from passenger turn signal breakout) S460 (in antenna/defogger jumper harness, approximately 20 cm from c1 of rear defogger) S462 Seat belt switch (left) Serial data Serial data+ Serial data- Splice pack sp102 (in forward lamp harness, in engine compt, on upper right frame rail) Splice pack sp201 (in instrument panel harness, in passengers compt, at base of left a pillar behind trim panel) Tan Underhood fuse block (right rear of engine c1 Underhood fuse block (right rear of engine compt) Vehicle speed signal Vss
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Courtesy Lamps Wiring Diagram for Cadillac XDiscovery 2005: 68 (in (in rear body harness, approximately 6.5 (in transmission harness, approximately 20.0 cm (7.9 55.0 cm (21.6 in) from right rear shock absorber breakout) s310 A10 Ajar Battery+ Body control module (bcm) (behind right side of dash) C1 b1 C1 d2 Cm (2.5 in) from left backup lamp connector breakout) s351 Computer data lines system Console courtesy lamp Console courtesy lamp switch Courtesy low Courtesy v+ Ctsy lamp v+ Ctsy lamps +v Dome Dome switch Driver door close Driver door module (ddm) (in driver's door) Driver information center (dic) switch Front passenger close door latch Front passenger door module (fpdm) (in front door) G102 G201 G202 G301 G302 Garage door opener Ground Hot at all times I/p compt lamp In) from c410 breakout) s422 Inside rearview mirror Instrument panel cluster (ipc) Interior lights fuse 6 10a Latch Left courtesy lamp Left door courtesy lamp Left rear comp- artment courtesy lamp Left vanity mirror lamp Lf door ajar Nca Open Rear compartment lid pull down actuator Rf door ajar Right courtesy lamp Right door courtesy lamp Right rear comp- artment courtesy lamp Right vanity mirror lamp S246 S312 S375 S579 S680 Serial data Splice pack sp102 (in engine compartment, on upper right frame rail, grounded to g102.) Splice pack sp201 (in passengers compartment, at base of left a pillar behind trim panel, grounded to g201) Splice pack sp202 (in passengers compartment, at base of right a pillar behind trim panel, grounded to g202) Splice pack sp301 (in passengers compartment, on left "b" pillar behind trim panel, grounded to g301) Splice pack sp302 (in passengers compartment, on right "b" pillar behind trim panel, grounded to g302 (ckt 750)) Tan Trunk lamp ctrl Under- hood fuse block Under- hood lamp Instrument Illumination Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Instrument Illumination Wiring Diagram for Cadillac XDiscovery 2005: 97 (in passengers compartment, at base of left a pillar behind trim panel, grounded to g201) splice pack sp201 (in engine compartment, in (in instrument panel harness, approximately (in passenger door harness, approximately 6.0 10.0 cm (3.9 11.0 cm (4.3 in) 22.5 cm (8.8 in) from electronic accessory plug connector) s237 A10 A12 A16 Auto Automatic trans- mission shift lever Battery Battery+ Body control module (bcm) (behind right side of dash) C10 C3 c9 C4 e1 Cluster fuse 8 15a Cm (2.3 in) from outside rearview mirror connector breakout, toward p600) s559 Computer data lines Computer data lines system D10 Dic ground Dic sw illum Dim ctrl Dim down switch Dim up switch Dimmer down Dimmer select Dimmer switch Dimmer up Dimmer v+ Dimmer/head up display switch Driver door handle switch (interior) Driver door lock switch Driver door module (ddm) (in driver's door) Driver door switch assembly Driver information center (dic) switch Driver seat Folding top switch From yaw rate connector) s255 Front passenger door handle switch (interior) Front passenger door lock switch Front passenger door module (fpdm) (in front door) Front passenger window switch Fuel door release switch G104 G201 G202 Ground Hazard switch Head Hot at all times Hvac control module (at center of dash) I/p fuse block (front of right front footwell, behind the carpet) I/p harness by fuse underhood block) Ignition mode switch Illum Illum (3 bulbs) Illum ctrl In) from blower motor control module breakout) Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Interior lights fuse 6 10a Lcd backlight Logic Memory seat switch Off Panel lamps Panel lmps Park Park lamp Park lamp relay 37 Park lamp sw signal Park lamps Park lamps fuse 8 10a Radio Rear comp- artment release switch (interior) S232 S246 S248 S275 S293 S579 S660 S680 Serial data Sp201 (at base of left a pillar behind trim panel) Splice pack sp202 (in instrument panel harness, in passengers compartment, at base of right a pillar behind trim panel, grounded to g202) Steering wheel control switch assembly Steering wheel dimming fuse 2a Tan Tilt/ tele sw/ mem seat mod fuse 26 10a Traction control switch Turn signal/ multifunction switch Underhood fuse block (right rear of engine compt)
MEMORY SYSTEMS Driver"s Memory Seat Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005 List of elements for Driver"s Memory Seat Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005: 73 (in instrument panel harness, in passengers compt, on left "b" pillar behind trim panel) splice pack sp301 5 volt reference Battery positive voltage Body control module (behind right side of dash) C4 e1 Class 2 serial data Column telescope forward control Column telescope forward sw Column telescope position sens Column telescope reverse control Column telescope reverse sw Column tilt down control Column tilt down sw Column tilt position sens Column tilt up control Column tilt up sw Computer data lines system Driver memory seat module (under driver's seat) E10 E11 E12 E13 E14 E15 E16 Exit switch F10 F11 F12 F13 F14 F15 F16 Front vertical down switch signal Front vertical motor down control Front vertical motor up control Front vertical position sens Front vertical up switch signal G301 Ground Horizontal forward switch signal Horizontal motor forward ctrl Horizontal motor rearward control Horizontal position sens Horizontal rearward switch signal Hot at all times I/p fuse block (front of right front footwell, behind carpet) Illum Interior lights system Low reference Memory 1 switch Memory 2 switch Memory seat sw sig 1 Memory seat sw sig 2 Memory seat switch Pnk Power seats circuit breaker 30a Rear vertical down switch signal Rear vertical motor down control Rear vertical motor up control Rear vertical position sens Rear vertical up switch signal Recline back switch signal Recline forward switch signal Recline motor forward control Recline motor rearward control Recline position sens S224 S379 S393 Steering column memory circuit Tan Tilt/tele sw/ mem seat mod fuse 26 10a Driver"s Memory Seat Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005 List of elements for Driver"s Memory Seat Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005: 28 5 volt ref Battery positive voltage Driver seat adjuster motor assembly Driver seat adjuster switch Driver seat recline motor Front vertical down Front vertical motor Front vertical position sensor Front vertical up Horizontal forward Horizontal motor Horizontal position sensor Horizontal rearward Low ref Nca Rear vertical down Rear vertical motor Rear vertical position sensor Rear vertical up Recline forward Recline motor Recline position sensor Recline rearward S395 (in rear body harness, at rr backup lamp breakout) S397 (10.0 cm from c2 of rear defogger) Steering column telescope drive motor Steering column tilt actuator Tan Memory Mirrors Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Memory Mirrors Wiring Diagram for Cadillac XDiscovery 2005: 58 (in i/p harness, in passengers compt, behind right side of i/p below inflatable restraint i/p module by auxiliary power relay) splice pack sp208 5v reference Battery b+ Body control module (behind right side of dash) C4 e1 Class 2 serial data Door controls circuit breaker 30a Down directional sw Driver door module (ddm) (in driver's door) Driver door switch assembly Driver memory seat module (under driver's seat) Driver outside rearview mirror Exit switch F10 F11 F14 Front passenger door module (fpdm) (in front door) G201 G202 G301 Ground Horiz posit sensor Horizontal motor Horizontal position sensor Hot at all times I/p fuse block (front of right front footwell, behind carpet) Left directional sw Left mirror select Low reference Memory 1 sw sig Memory 1 switch Memory 2 sw sig Memory 2 switch Memory seat switch Mirror mtr down ctrl Mirror mtr left ctrl Mirror mtr right ctrl Mirror mtr up ctrl Nca Passenger outside rearview mirror Power mirror switches Power seats circuit breaker 30a Right directional sw Right mirror select S224 S234 S379 S393 Splice pack sp201 (at base of left "a" pillar behind trim panel) Splice pack sp202 (at base of right "a" pillar behind trim panel) Splice pack sp205 (in instrument panel harness, in passengers compt, behind lower left of i/p by park brake assembly) Splice pack sp301 (on left "b" pillar behind trim panel) Tan Tilt/tele sw/ mem seat mod fuse 26 10a Up directional sw Vertical motor Vertical posit sensor Vertical position sensor Steering Column Memory Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Steering Column Memory Wiring Diagram for Cadillac XDiscovery 2005: 58 (in rear body harness, at rr backup lamp breakout) 5 volt reference Battery b+ Body control module (behind right side of dash) Class 2 serial data Computer data lines system Driver memory seat module (under driver's seat) E1 c4 E10 E11 E12 E13 E15 Exit switch F10 F11 F14 Fwd G301 Ground Hot at all times I/p fuse block (front of right front footwell, behind carpet) Low reference Memory 1 sw sig Memory 1 switch Memory 2 sw sig Memory 2 switch Memory seat switch Memory seats circuit Pnk Power seats circuit breaker 30a Red Red/ Rev S224 S379 S395 S397 (in antenna/defogger jumper harness, approximately 10.0 cm from c2 of rear defogger) Splice pack sp301 (on left "b" pillar, behind trim panel) Tan Telescope drive motor Telescope forward ctrl Telescope forward sig Telescope in Telescope out Telescope position sens Telescope reverse ctrl Telescope reverse sig Tilt actuator Tilt down Tilt down ctrl Tilt down sig Tilt position sens Tilt up Tilt up ctrl Tilt up sig Tilt/ telescope switch Tilt/tele sw/ mem seat mod fuse 26 10a
NAVIGATION Parking Assistant Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Parking Assistant Wiring Diagram for Cadillac XDiscovery 2005: 46 (in passenger door harness, approximately 6 cm from outside rearview mirror connector breakout, toward p600) s479 (in passenger door harness, approximately 6 cm from outside rearview mirror connector breakout, toward p600) s480 Backup lamp sply voltage Body control module (bcm) (behind right side of dash) Center amber ind Center amber ind ctrl Engine control module (ecm) (behind lower right front fender) G302 Ground Hot at all times Ign 1 voltage Instrument cluster system Left amber ind Left amber ind ctrl Left rear corner object sensor (left corner of rear bumper) Left rear middle object sensor (left middle of rear bumper) Logic Lr corner object sens sig Lr middle object sens sig Object sens low ref Object sens sply voltage Pnk Power distribution system Rear object sensor control module 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 Reverse lamp relay 3 Reverse lamp rly ctrl Reverse lamps fuse 21 10a Right rear corner object sensor (right corner of rear bumper) Right rear middle object sensor (right middle of rear bumper) Rpa/ h/c seat fuse 11 10a Rr corner object sens sig Rr middle object sens sig Run/ crank relay 2 Run/crank rly ctrl S211 (in instrument panel harness, approximately 22.5 cm from inside rearview mirror breakout) Spice pack sp302 (in instrument panel harness, in passengers compt, on right "b" pillar behind trim panel) Telltale assembly sply voltage Underhood fuse block (right rear of engine compt) Vehicle speed sig Vehicle speed sig c1
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Cadillac XDiscovery 2005 List of elements for Power Distribution Wiring Diagram (1 of 4) for Cadillac XDiscovery 2005: 93 (front of right front footwell, behind carpet) i/p relay block (in instrument panel harness, approximately 32.5 cm (12.7 in) (in instrument panel harness, approximately 39.5 cm (15.5 in) from inside rearview mirror breakout) (right rear of engine compt) underhood fuse block A c1 A/c comp fuse 15 10a A/c comp relay 35 A18 A19 A2 c2 A2 c4 Abs fuse 27 60a Amp fuse 31 30a Audio amplifier B c3 B1 c4 Batt 1 fuse 33 60a Batt 2 fuse 29 40a Battery Blower motor control processor C14 C2 c1 Coolfan fuse 32 40a Cooling fan Crank relay 43 D c1 D11 D11 c3 Door controls circuit breaker 30a Driver door module (ddm) Driver heated/ cooled seat module Driver lower lumbar switch Driver memory seat module Driver seat Driver seat pump Driver upper lumbar switch Ecm/tcm fuse 11 15a Electronic brake control module (ebcm) Electronic suspension control (esc) module Engine control module (ecm) Evaporative emission (evap) canister vent solenoid F12 c3 Fog lp fuse 22 15a Fog lp relay 38 Folding top module Front passenger door module (fpdm) Front passenger seat adjuster switch Front passenger seat pump Fuel door relay Generator H c1 H13 H14 Hdlp wash fuse 18 20a Hdlp wash relay 46 High beam relay 39 Horn fuse 2 15a Horn relay 34 Hvac control head connector) Hvac fuse 28 40a I/p relay block (front of right front footwell, behind carpet) Ign 1 relay 44 K10 K14 Left heated seat fuse 15a Left/right power lumbar fuse 15a Low beam relay 47 Mrrtd fuse 13 25a Nca Park lamp relay 37 Passenger heated/ cooled seat module Passenger lower lumbar switch Passenger seat Passenger upper lumbar switch Pk lamps fuse 8 10a Power seats circuit breaker 30a Rear defog relay 4 Red Remote control door lock receiver (rcdlr) Right heated seat fuse 15a S137 S224 S234 Starter Starter fuse 30 40a To auxiliary power relay (diagram 3 of 4) To batt 3 fuse 26 (diagram 2 of 4) Transmission control module (tcm) W/s wash fuse 17 15a W/s wash relay 36 Wiper fuse 4 30a Wiper on/off relay 45 Wiper run/acc relay 42 Power Distribution Wiring Diagram (2 of 4) for Cadillac XDiscovery 2005 List of elements for Power Distribution Wiring Diagram (2 of 4) for Cadillac XDiscovery 2005: 76 (behind right side of dash) body control module (bcm) A12 c1 A6 c3 A7 c2 A8 c2 A8 c3 Ac latch/ pk brk b fuse 10 10a Air temperature sensor- inside Automatic transmission shift lever B c1 B c5 B11 c3 Batt 3 fuse 26 60a Btsi sol/col lock fuse 19 10a C1 c4 Capacitor cp200 Cluster fuse 8 15a D1 c3 D10 D6 c3 D8 c4 Data link connector Digital radio receiver Diode Door locks fuse 5 15a Driver heated/ cooled seat module Driver seat E10 c4 E11 c3 Exterior lights system F1 c1 F19 From batt 1 fuse 33 (diagram 1 of 4) G19 Head up display (hud) Hvac control module Hvac/ pwr snd fuse 9 10a I/p relay block (front of right front footwell, behind carpet) Inflatable restraint steering wheel module coil Inside rearview mirror Instrument panel cluster (ipc) Interior lights fuse 6 10a Isrvm/ hvac fuse 14 10a Logic M10 M18 Nca Park brake hold relay Passenger heated/ cooled seat module Passenger seat Pnk Pnk (in instrument panel harness, approximately 5 cm (1.9 in) from blower motor control module connector breakout) s231 Pnk b c4 Radio Radio/ant/ vics fuse 17 15a Rear compartment lid release/ close switch Rear fog/ aldl top sw fuse 18 10a Rear object sensor control module Remote playback device- cd player Reverse lamp relay 3 Rly ctrl Rpa/h/c/ seat fuse 11 10a Run/crank relay 2 S260 (in front body harness, rear defogger capacitor, approximately 20.0 cm (7.8 in) from sp302 breakout) Steering wheel control switch assembly Stop lamp relay 4 Stop/bu/ lps fuse 5 15a To batt 5 fuse 7 (diagram 3 of 4) To gmlan devices fuse 1 (diagram 3 of 4) Turn signal/ multi-function switch Tutd sw/strg col sw fuse 15 2a Underhood fuse block (right rear of engine compt) W/s wash relay 36 Wiper hi/lo relay 41 Wiper on/off relay 45 Wiper/ washer system Power Distribution Wiring Diagram (3 of 4) for Cadillac XDiscovery 2005 List of elements for Power Distribution Wiring Diagram (3 of 4) for Cadillac XDiscovery 2005: 75 (behind right side of dash) body control module (bcm) (front of right front footwell, behind carpet) i/p fuse block (in fuel tank jumper harness, approximately 81.5 cm (32 in) from c408 breakout) s319 (in rear body harness, approximately 5 cm (1.9 in) from lr license lamp breakout) s355 (in rear body harness, approximately 6.5 cm (2.5 in) from c400 breakout) s333 Abs/mrrtd fuse 1 10a Acc/tcm fuse 3 10a Acca/driv dr sw fuse 25 10a Automatic transmission shift lever Auxiliary power fuse 20a Auxiliary power outlet Auxiliary power relay (behind right side of dash) B10 c4 B12 c3 B5 c3 Batt 5 fuse 7 30a Body control module (bcm) (behind right side of dash) C10 C13 C5 c3 Cellular microphone Cigar lighter Cigar lighter fuse 20a Crank relay 43 D11 D11 c3 D12 Distance sensing cruise control module Driver door switch assembly Driver memory seat module Driver seat Driver seat adjuster switch E11 Ecm fuse 12 15a Electronic brake control module Electronic suspension control (esc) module Engine control module (ecm) F1 c4 F10 F11 F11 c2 Fldg top/ trunk latch fuse 15a Folding top closed switch Folding top module Folding top switch From batt 1 fuse 33 (diagram 1 of 4) From rpa/h/c/ d seat fuse 11 (diagram 2 of 4) From stop/bu/ c lps fuse 5 (diagram 2 of 4) G202 Gmlan devices fuse 1 20a Header latch switch Header unlatch switch I/p relay block (front of right front footwell, behind carpet) Ignition sw/ intr sens fuse 27 10a Inflatable restraint i/p module disable switch Inflatable restraint sensing & diagnostic module (sdm) Logic Luggage barrier switch Memory seat switch Nca Onstar fuse 24 10a Park brake sol a fuse 23 20a Park brk release relay Pnk Rear compartment lid open switch Rear compartment lid pulldown actuator S248 (in front body harness, approximately 15.0 cm (5.9 in) from passenger rear speaker breakout) Sdm/psir sw fuse 13 10a Splice pack sp202 (in instrument panel harness, in passengers compt, at base of right a pillar behind trim panel, grounded to g202) Tilt/ telescope switch Tilt/tele sw/mem seat mod fuse 26 10a To ignition mode switch (4 of 4) Transmission control module Underhood fuse block (right rear of engine compt) Vehicle communication interface module (vcim) Power Distribution Wiring Diagram (4 of 4) for Cadillac XDiscovery 2005 List of elements for Power Distribution Wiring Diagram (4 of 4) for Cadillac XDiscovery 2005: 25 Back up sig Back-up keyless entry antenna Body control module (bcm) (behind right side of dash) From body control module (diagram 3 of 4) Grd Ign 1 voltage Ign data sig Ignition mode switch Interior lights system Left keyless entry antenna Left sig Logic Low ref Off Off ind On ind Pnk Rear compartment keyless entry antenna Remote control door lock receiver (rcdlr) (right side of dash) Right keyless entry antenna Right sig Sig Start Start ind Tan
POWER MIRRORS Power Mirrors Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Power Mirrors Wiring Diagram for Cadillac XDiscovery 2005: 25 Ambient light sensor Automatic day/night mirror element Backup lamp pwr Backup lamp rly ctrl Body control module (behind right side of dash) Day/ night mirror low ref Day/ night mirror signal Driver outside rearview mirror G202 Ground Headlight sensor Hot at all times Ign 1 vlt Inside rearview mirror Isrv m/ hvac fuse 14 10a Logic Nca Pnk Reverse lamp relay 3 Reverse lamps fuse 21 10a Run/ crank relay 2 Run/ crank rly ctrl S231 S312 Sp202 (in instrument panel harness, in passengers compt, at base of right "a" pillar behind trim panel, grounded to g202)
POWER SEATS Driver Climate Control Seat Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Driver Climate Control Seat Wiring Diagram for Cadillac XDiscovery 2005: 40 Back element low ref Back ntc low ref Back ntc sig Back ntc signal Battery Body control module (behind right side of dash) Driver climate control seat module Driver heated/cooled seat blower motor Driver seat Driver seat back heated/ cooled ventilation module Driver seat cushion heated/ cooled ventilation module Driver seat temp ctrl sw sig Element Fan low ref Fan speed ctrl Fan tacho signal Fan volt ref Fan voltage ref G301 Ground Heated seat lh fuse 15a Hot at all times Hot w/ run/crank relay 2 energized Hvac control module (at center of dash) Hvac heated/ cool seat mode sig I/p fuse block (front of right front footwell, behind carpet) Ign Logic Nca Pnk Rpa/hc seat fuse 11 10a Run/crnk ign 1 vlt S379 Seat element low ref Seat hi/low signal Seat ntc low ref Seat ntc signal Sensor Sp301 (in instrument panel harmeness, in passengers compt, on left "b" pillar behind trim panel) Temp ctrl switch Lumbar Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Lumbar Wiring Diagram for Cadillac XDiscovery 2005: 25 Batt Deflate ctrl Driver lower lumbar switch Driver lumbar pump/ control module assembly Driver seat Driver upper lumbar switch G301 G302 Gnd Hot at all times I/p fuse block (front of right front footwell, behind carpet) Inflate ctrl Nca Passenger lower lumbar switch Passenger lumbar pump/ control module assembly Passenger seat Passenger upper lumbar switch Pnk Power lumbar lh/rh fuse 15a S379 S380 S382 S399 Splice pack sp301 (in instrument panel harness, in passengers compt, on left "b" pillar behind trim panel) Splice pack sp302 (in instrument panel harness, in passengers compt, on right "b" pillar behind trim panel) Passenger Climate Control Seat Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Passenger Climate Control Seat Wiring Diagram for Cadillac XDiscovery 2005: 41 Back element low ref Back ntc low ref Back ntc sig Back ntc signal Battery Body control module (behind right side of dash) Element Fan low ref Fan speed ctrl Fan tacho signal Fan volt ref Fan voltage ref G302 Ground Heated seat rh fuse 15a Hot at all times Hot w/ run/crank relay 2 energized Hvac control module (at center of dash) Hvac heated/ cool seat mode sig I/p fuse block (front of right front footwell, behind carpet) Ign Logic Nca Passenger climate control seat module Passenger heated/cooled seat blower motor Passenger seat Passenger seat back heated/ cooled ventilation module Passenger seat cushion heated/ cooled ventilation module Pnk Psngr seat temp ctrl sw sig Rpa/hc seat fuse 11 10a Run/crnk ign 1 vlt S382 Seat element low ref Seat hi/low signal Seat ntc low ref Seat ntc signal Sensor Sp302 (in instrument panel harmeness, in passengers compt, on right "b" pillar behind trim panel, grounded to g302 (ckt 750) Tan Temp ctrl switch Passenger Power Seat Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Passenger Power Seat Wiring Diagram for Cadillac XDiscovery 2005: 25 Dwn Front passenger seat adjuster motor assembly Front passenger seat adjuster switch Front passenger seat recline motor Front vertical motor Frt dn Frt up Fwd G302 Horizontal motor Hot at all times I/p fuse block (front of right front footwell, behind carpet) Nca Passenger seat Pwr seat circuit breaker 30a Rear vertical motor Recl dn Recl up Rr dn Rr up Rwd S224 S382 Splice pack sp302 (in instrument panel harness, in passengers compt, on right "b" pillar behind trim panel) Tan
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005 List of elements for Power Top/Sunroof Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005: 73 (at base of right "a" pillar, grounded to g202) (in instrument panel harness, in passengers compt, behind right side of i/p, below inflatable restraint i/p module, by auxiliary power relay) (in instrument panel harness, in passengers compt, on left "b" pillar behind trim panel grounded to g301) (in rear body harness, approximately 2.5 in from left backup lamp connector breakout) (in right side fuel tank harn, approximately 22.5 cm from c414 breakout) 5v low ref A tan Accessory voltage Batt 2 fuse 29 40a Battery positive voltage C tan C1 a2 C1 b2 C10 C11 C12 C13 C14 C15 C16 Class 2 serial data Class serial data Close Computer data lines system D10 D11 D12 D13 D14 D15 D16 Deck lid close control Decklid open ctrl Folding top control switch Folding top module (in center of luggage compt) Folding top position sensor Folding top position sensor sig Front tonneau position sensor Front tonneau position sensor sig G202 G301 Ground Hard top converted sig Header latch Header latch sw sig Header unlatch sw sig Hot at all times Hvac control module (at center of dash) Low ref Luggage barrier switch sig Nca Open Pnk Position Pump direct a Pump direction b Rear compartment lid release/ close switch (lower left of rear bumper) Rear compt lid open sw sig Rear compt lid pull down actuator sig Rear compt lid release/close sw sig Rear tonneau position sensor Rear tonneau position sensor sig S331 S337 Sp208 Splice pack sp202 Splice pack sp301 Tan Top close control Top open ctrl Underhood fuse block (right rear of engine compartment) Valet sw sig Valet switch Power Top/Sunroof Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005 List of elements for Power Top/Sunroof Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005: 36 (in fuel tank jumper harn, approximately 32 in from c408 breakout) s319 (in rear body harn, approximately 1.9 in from lr license lamp breakout) s355 (in rear body harn, approximately 2.5 in from c400 breakout) s333 (in rear body harn, approximately 8.4 in left of splice pack 400 breakout) s339 Ac latch/ pk brk b fuse 10 10a Auxiliary power relay (behind right side of dash) Batt 1 fuse 33 60a Body control module (bcm) (behind right side of dash) Fldg top/ trunk latch fuse 15a Folding top closed switch Folding top pump motor G202 G301 Header latched switch Header unlatched switch Hot at all times I/p fuse block (front of right front footwell, behind carpet) Luggage barrier switch Pnk Pump & valve assembly Rear compart- ment lid open switch Rear compart- ment lid pull- down actuator S222 S248 S939 Sp202 (in instrument panel harn, at base of right "a" pillar grounded to g202) Splice pack sp301 (in instrument panel harness, on left "b" pillar, grounded to g301) Tan Thermal Tilt/tele sw/mem seat mod fuse 26 10a Underhood fuse block (right rear of engine compt) Valve 1 Valve 2 Valve 3 Valve 4 Valve 5
POWER WINDOWS Power Windows Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Power Windows Wiring Diagram for Cadillac XDiscovery 2005: 35 (in driver's door) driver door module (ddm) Acca/driv dr sw fuse 25 10a Body control module (bcm) (behind right side of dash) Circuit breaker block Computer data lines Ddm class 2 ser data Down Driver door switch assembly (ddsa) Driver window motor (in center of driver's door) Driver window switch Driver wndo down signal Driver wndo express sig Driver wndo up signal Express up/down Front passenger door module (fpdm) (in front door) Front passenger window motor (center of passenger's door) Front passenger window switch G201 (at base of left "a" pillar, behind trim panel) G202 (at base of right "a" pillar) Ground Hot at all times Logic Pass wndo down signal Pass wndo express sig Pass wndo up signal Passenger window switch Power window motor fr passenger down sig Power window motor front passenger up sig Power window motor left front up control Power window motor lt front down control Power window motor right front up control Power window motor rt front down control Power window switch right front express sig Serial data Tan
RADIO Radio Wiring Diagram (1 of 3) for Cadillac XDiscovery 2005 List of elements for Radio Wiring Diagram (1 of 3) for Cadillac XDiscovery 2005: 82 (in engine compartment, in i/p harness by fuse underhood block) g104 Ant radio sig Antenna enable sig Antenna ground plane Aux detection sig Bare Battery Bcm clss 2 ser data Body control module (bcm) (behind right side of dash) Class 2 ser data Clss 2 data Coax Computer data lines system Decklid liner assembly Dwn E10 E11 E12 E13 E14 E15 E16 F10 F11 F12 F13 F14 F15 F16 Fm composite sig Gps antenna sig Ground Head up display Hot at all times Ign Inflatable restraint steering wheel module coil Instrument cluster system Left antenna Left radio antenna module Lf audio drain wire Lf low lev audio (-) Lf low lev audio sig Logic Lt antenna fm2 sig Lt radio antenna mod sig Lt radio module sig Mesg req Message center Mute Nav voice screen Nca Pnk Preset seek switch Radio Red Rf audio drain wire Rf low lev audio (-) Rf low lev audio sig Right antenna Right radio antenna module Rt antenna am sig Rt antenna fm1 sig Rt radio ant mod sig Rt radio antenna mod sig Run/ crank relay 2 Run/ crnk rly ctrl S230 Seek up Signal ground Srce Steering wheel control switch assembly Strng whl ctrl 2 sig Sw ant enable sig Tan Tutd sw strg col sw fuse 15 2a Voice prompt low ref Voice prompt signal Voice rec aud low ref Voice rec audio sig Voice recog- nize Volume switch Vss Radio Wiring Diagram (2 of 3) for Cadillac XDiscovery 2005 List of elements for Radio Wiring Diagram (2 of 3) for Cadillac XDiscovery 2005: 39 (in engine compt, in i/p harness, by underhood fuse block) g104 Audio common Aux detection sig Bare Battery Body control module (bcm) (behind right side of dash) Cd changer Class 2 ser data Coax Computer data lines system Digital radio antenna Digital radio receiver Drain Global positioning satellite (gps) antenna Ground Hot at all times Lf audio drain wire Lf low lev audio (-) Lf low lev audio sig Lt audio sig Nca Pnk Radio/ ant/vics fuse 17 15a Rem radio audio (-) Rem radio ctrl hd acc pwr Rem radio lt audio sig Rem radio rt audio sig Rf audio drain wire Rf low lev audio (-) Rf low lev audio sig Rt audio sig S230 Satellite ant sig Satellite antenna Signal ground Strng col radio ctrl sig Tan Terrestrial ant sig Terrestrial antenna Radio Wiring Diagram (3 of 3) for Cadillac XDiscovery 2005 List of elements for Radio Wiring Diagram (3 of 3) for Cadillac XDiscovery 2005: 57 (in engine compartment, in i/p harness by fuse underhood block) g104 A10 A11 A12 Amp fuse 31 30a Audio amplifier (behind left rear seat back) B10 B11 B12 Bare Battery Cellular mic sig Cellular microphone Center speaker Class 2 data Computer data lines system Drain Driver seat left speaker Driver seat right speaker Frt center spkr (+) Frt center spkr (-) Hot at all times Left front door subwoofer speaker Left front midrange speaker Lf low lev audio (-) Lf low lev audio sig Lf speaker (+) Lf speaker (-) Lf tweeter (+) Lf tweeter (-) Lt seat speaker (+) Lt seat speaker (-) Mic drain wire Noise compensation microphone Noise red mic (+) Passenger seat left speaker Passenger seat right speaker Pnk Radio voice prmpt lo ref Radio voice prompt sig Rf low lev audio (-) Rf low lev audio sig Rf speaker (+) Rf speaker (-) Rf tweeter (+) Rf tweeter (-) Right front door subwoofer speaker Right front midrange speaker Rt seat speaker (+) Rt seat speaker (-) S230 Signal ground Tan Underhood fuse block (right rear of engine compt) Vehicle communication interface module (vcim) (at front of right wheelwell) Voice rec aud low ref Voice rec audio sig
SHIFT INTERLOCK Park Brake Release Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Park Brake Release Wiring Diagram for Cadillac XDiscovery 2005: 25 A.c. latch/pk brk b fuse 10 10a B15 c1 Body control module (bcm) (behind right side of dash) Class 2 serial data Computer data lines system D11 c3 D4 c3 G202 Hot at all times I/p relay block (front of right front footwell, behind carpet) Instrument panel cluster (ipc) Logic Park brake hold solenoid Park brake pedal assembly Park brake relay 1 ctrl Park brake release solenoid Park brake sol a fuse 23 20a Park brake switch signal Park brk hold relay Park brk release relay Park switch Pnk Red/ Splice pack sp202 (in instrument panel harness, in passengers compartment, at base of right a pillar behind trim panel, grounded to g202) Tan Shift Interlock Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Shift Interlock Wiring Diagram for Cadillac XDiscovery 2005: 18 5 volt reference A/t shift lock control solenoid Automatic transmission shift lever Body control module (bcm) (behind right side of dash) Brake pedal position sensor Btsi sol/ col lock fuse 19 10a Class 2 serial data Computer data lines system D7 c3 Hot at all times L c1 Logic Low reference Park switch Pnk Red/ Remote control door lock receiver (rcdlr) (right side of dash) Tan
STARTING/CHARGING Charging Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Charging Wiring Diagram for Cadillac XDiscovery 2005: 32 (not used) a A2 c2 A5 c1 Battery Battery saver active charge system fault high voltage low voltage service elect system Check gages Class 2 (bcm) Computer data lines system Ecm high speed gmlan serial data bus + Ecm high speed gmlan serial data bus - Engine control module (ecm) (behind lower right front fender) G104 (in engine compt, in i/p harness by fuse underhood block) G106 Generator Generator field duty cycle signal Generator turn on signal Head up display (hud) Horn fuse 2 15a Hud class 2 serial data Ign Instrument panel cluster (ipc) Ipc class 2 serial data Logic Message center Message request Message request (bcm) Red Splice pack sp106 (in engine harness, in engine compartment, right rear of engine compartment by battery, grounded to g106) Starter Tan Underhood fuse block (right rear of engine compt) Volts Starting Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Starting Wiring Diagram for Cadillac XDiscovery 2005: 56 (behind right side of dash) body control module (bcm) 5v ref A13 A14 A9 c3 Automatic transmission B10 c4 Batt 3 fuse 26 60a Battery Bcm class 2 serial data Bcm high speed gmlan serial data bus + Bcm high speed gmlan serial data bus - Bcm ignition mode data signal Brake pedal position sensor Brake position sensor signal C1 c4 C13 C14 C2 e12 C3 d1 Charging circuit Computer data lines system Crank relay Ecm fuse 12 15a Ecm high speed gmlan serial data bus + Ecm high speed gmlan serial data bus - Engine control module (ecm) (lower right rear of engine compartment) F12 G104 (in engine compartment, in i/p harness by fuse underhood block) G106 G402 (on underbody, on right rear frame, by right rear wheel well) Gnd Ignition mode switch Instrument panel cluster (ipc) Internal mode switch (ims) Ipc class 2 serial data Logic Low ref Message center Message request Nca Off Park/neutral signal Pnk Press brake to start Red Run/crank relay 2 Run/crank relay ctrl S208 Splice pack sp106 (in engine harness, in engine compartment, right rear of engine compartment by battery, grounded to g106) Start Starter Starter enable relay control Starter fuse 30 40a Tan Underhood fuse block (right rear of engine compt)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005: 36 (in rear of driver's door) left inflatable restraint side impact sensor (sis) (in rear of passenger's door) right inflatable restraint side impact sensor (sis) Body control module (behind right side dash) C10 Case ground Disable sw sig G202 (at base of right "a" pillar) Ground High control Hot in run or crank Ignition 1 voltage Indicator control Inflatable restraint sensing & diagnostic module (sdm) (center of dash) Inflatable restraint steering wheel module (center of steering wheel) Inflatable restraint steering wheel module coil Left front seat belt pretensioner Left inflatable restraint seat position switch (in lower left front of seat track) Left inflatable restraint side impact module (right side of driver's seat back) Left seat belt switch Low control Low reference Nca Pnk Right front seat belt pretensioner Right inflatable restraint seat position switch (in right front seat track) Right inflatable restraint side impact module (right side of passenger's seat) S391 (in rear body harness, approximately 6.5 cm (2.5 in) from passenger turn signal breakout) Sdm/psir sw fuse 13 10a Seat pos sig Sensor signal Sensor voltage Serial data Shorting bar Stage 1 Stage 2 Tan Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005: 22 Air bag indicator Class 2 sdm Data link connector (left side of dash) Dsbl sw sig G202 (at base of right "a" pillar) Ground Ignition 1 Ind sply vlt Inflatable restraint i/p module (right side of dash) Inflatable restraint i/p module disable switch Inflatable restraint i/p module disable switch led Instrument panel cluster Interior lights system Ipc class 2 serial data Left inflatable restraint front end sensor Park lmp vlt Pnk Right inflatable restraint front end sensor Shorting bar Splice pack sp205 (in instrument panel harness, in passengers compartment, behind lower left of i/p by park brake assembly) Stage 1 Stage 2
TRANSMISSION A/T Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005 List of elements for A/T Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005: 62 1-2 shft sol vlv 1-2 shift sol 2-3 shft sol vlv 2-3 shift sol 4-5 shft sol vlv 4-5 shift sol A/t iss hi sig A/t iss lo sig Acc voltage Acc/tcm fuse 3 10a Automatic transaxle fluid temperature sensor Automatic transmission B+ voltage Batt + Class 2 ser data Computer data lines system D11 E11 Ecm/tcm fuse 11 15a Engine control module (behind lower right front fender) G106 Gear high trans temp service trans shift to prk Ground Head up display Hi spd can + Hi spd can - Hi spd ser data + Hi spd ser data - Hot at all times Hot in run or start Hud message center Ign 1 vlt Instrument panel cluster Logic Mesg req tcm Message center Oss hi sig Oss low sig Pc sol vlv hi cntl Pc sol vlv lo cntl Pnk Power distribution system Pressure control sol Sp106 (in engine harness, in engine compt, right rear of engine compt by battery, grounded to g106) Stoplamp sw sig Tan Tap up/dwn gear Tap up/dwn sw sig Tcc brk sw sig Tcc pwm sol Tcc sol vlv cntl Tft sen lo ref Tft sens sig Transmission control module (behind lower right side of front fender) Trs a Trs b Trs c Trs p Underhood fuse block (right rear of engine compt) Up- shift ind cntl Up-shift Up-shift ind A/T Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005 List of elements for A/T Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005: 27 Acc vlt sig Automatic transaxle internal mode switch Automatic transmission Automatic transmission shift lever Body control module (behind right side of dash) Btsi sol/col lock fuse 19 10a G202 (at base of right "a" pillar) G402 (on underbody, on right rear frame by right rear wheel well) Hot at all times Hvac control module (at center of dash) I/p lamp cntl Input shaft speed sensor Logic Output shaft speed sensor Pnk Power distribution system Relay cntl Run/ crank relay 2 S246 (in front body harness, approximately 12.0 cm (4.7 in) from passenger rear speaker breakout) Stplmp sw sig Tap dwn - Tap up + Tap up/ dwn enbl sig Tap up/ tap dwn enbl sig Tap up/ tap dwn trans- mission enable switch Tap up/tap down switch Tutd sw/ strg col sw fuse 15 2a
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagram for Cadillac XDiscovery 2005: 64 A tan Ac latch pk brk b fuse 10 10a Accy vlt Aux pwr rly pwr Auxiliary power relay (behind right side of dash) Batt 1 fuse 33 60a Batt 3 fuse 26 60a Body control module (bcm) (behind right side of dash) Cargo lmp sw sig Class 2 ser data Computer data lines system D14 Door controls circuit breaker 30a Exterior rear compartment lid release switch Fldg top/ trunk latch fuse 15a Folding top module (in center of luggage compt) Fuel door relay Fuel door release actuator Fuel door release switch G201 G202 G301 G302 Ground Ground distribution system Hot at all times I/p relay block (front of right front footwell, behind carpet) Instrument panel cluster Interior lights system Interior rear compartment lid release switch Logic Msg req Open sw sig Pnk Power distribution Power distribution system Power tops system Rear compartment lid open switch Rear compartment lid pull down actuator Rear compartment lid release/ close switch Rel/close sw sig Remote control door lock receiver (rcdlr) (right side of dash) Rfa class 2 ser data S208 S222 S234 S353 S355 S931 S939 Sp201 (in instrument panel harness, in passengers compt, at base of left a pillar behind trim panel) Sp202 (in instrument panel harness, in passengers compt, at base of right a pillar behind trim panel) Sp301 (in instrument panel harness, in passengers compt, on left "b" pillar behind trim panel) Sp302 (in instrument panel harness, in passengers compt, on right "b" pillar behind trim panel) Tan Trnk ajar sw sig Trnk key sw ig Trnk key sw sig Trnk ltch clr sw Trnk rel rly ctrl Trnk rel sw sig Trunk ajar ind Trunk rel sw sig Underhood fuse block (right rear of engine compt)
WARNING SYSTEMS Warning Systems Wiring Diagram for Cadillac XDiscovery 2005 List of elements for Warning Systems Wiring Diagram for Cadillac XDiscovery 2005: 55 Ajar Audible alarm Auto Bcm class 2 serial data Bcm high spd gmlan serial data bus + Bcm high spd gmlan serial data bus - Body control module (bcm) (behind right side of dash) C1 a5 Class 2 (rcdlr) Class 2 (sdm) Closed Computer data lines system Driver door latch Ecm high spd gmlan serial data bus + Ecm high spd gmlan serial data bus - Engine control module (ecm) (behind lower right front fender) G201 G301 Head Inflatable restraint sensing & diagnostic module (sdm) (located underneath vehicle console) Instrument panel cluster (ipc) Internal antenna Ipc Ipc class 2 serial data Left front tire pressure monitor Left rear tire pressure monitor Left seat belt sw Left seat belt switch Lf dr open sw sig Lf turn sig sw Logic Low ref Low tire pressure ind Message center Message request Off Open Park Pk lmp sw on sig Pnk Remote control door lock receiver (rcdlr) (right side of dash) Rf turn sig sw Rfa class 2 serial data Right front tire pressure monitor Right rear tire pressure monitor S275 S375 S391 (in rear body harness, approximately 6.5 cm (2.5 in) from passenger turn signal breakout) Sdm class 2 serial data Seat belt ind Solid state Sp201 (in instrument panel harness, in passengers compartment, at base of left "a" pillar behind trim panel) Sp301 (in instrument panel harness, in passengers compartment, on left "b" pillar behind trim panel) Tan Turn signal/ multifunction switch
WIPER/WASHER Front Wiper/Washer & Headlamp Washer Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005 List of elements for Front Wiper/Washer & Headlamp Washer Wiring Diagram (1 of 2) for Cadillac XDiscovery 2005: 63 (in instrument panel harness, in passengers compartment, at base of left a pillar behind trim panel, grounded to g201) Accessory relay Accessory voltage signal Body control module (behind right side of dash) C3 a3 C3 c3 C3 e11 C3 e7 Diode 1 diode Diode 2 diode f5 F16 F19 G102 G16 G19 G201 G202 Gnd Ground High Hot at all times I/p fuse block (front of right front footwell, behind carpet) K10 K11 K14 K15 K18 K19 L10 L18 Logic Low M10 M11 M14 M15 M18 M19 Outside moisture sensor Park switch Pnk Rpa/ h/c seat fuse 11 10a Run/ accessory power fuse 10a Run/ crank relay 2 Run/ crank relay control S312 Splice pack sp 102 (in forward lamp harness, in engine compt, on upper right frame rail, grounded to g102) Splice pack sp 201 Splice pack sp202 (in instrument panel harness in passengers compt, at base of right "a" pillar behind trim panel, grounded to g202) To w/s wash relay 36 (diagram 2 of 2) Under- hood fuse block right rear of engine compt) Windshield washer switch signal Windshield wiper motor Windshield wiper motor park switch signal Windshield wiper switch high signal Windshield wiper switch low signal Windshield wiper switch signal 2 Wiper diode Wiper dwell fuse 10a Wiper fuse 4 30a Wiper hi/lo relay 41 Wiper on/off relay 45 Wiper run/acc relay 42 Front Wiper/Washer & Headlamp Washer Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005 List of elements for Front Wiper/Washer & Headlamp Washer Wiring Diagram (2 of 2) for Cadillac XDiscovery 2005: 29 (in forward lamp harness, in engine compartment, on upper right frame rail, grounded to g102) (in instrument panel harness, in passengers compartment, at base of left a pillar behind trim panel, grounded to g201) splice pack sp201 Body control module (below right side of dash) C3 f2 pnk F3 pnk From diode 2/ diode f5 (diagram 1 of 2) G101 G102 G201 Hdlp wash fuse 18 20a Hdlp wash relay 46 Headlamp washer fluid pump Headlamp washer relay control Hot at all times Mist Off Pnk Pulse S275 Splice pack sp 102 Splice pack sp101 (in forward lamp harness, in engine compartment, on upper left frame rail, grounded to g101) Under- hood fuse block (right rear of engine compt) W/s wash fuse 17 15a W/s wash relay 36 Wash Windshield washer fluid pump Windshield washer switch signal Windshield wiper switch signal Windshield wiper/washer switch