Diagram sections — 31 (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 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 2004 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004: 72 (5 cm from blower motor control module conn breakout) s231 A c2 A/c comp fuse 15 10a A/c comp relay 35 A/c compressor clutch (lower right side of eng) 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 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 F13 F14 F7 c3 G101 (upper left frame rail) G102 (upper left frame rail) G202 Grd H13 H14 Hot at all times Hot w/ run/ crank relay energized Hvac control module (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 Seats system Sens sig Serial data Speed ctrl Splice pack sp101 Splice pack sp102 Splice pack sp202 (right "a" pillar) Sply voltage Sply voltage 4 Sunload sig Tan Temp ctrl Temp ctrl sig Underhood fuse block (right rear of eng compt) Underhood fuse block (right rear of engine compt) Valet sw sig Automatic A/C Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004: 48 (4.0 cm from breakout for passenger seat relay center conn c1) (behind lower right front fender) engine control module (ecm) (lower front of engine) cooling fan 5v ref A/c refrigerant pressure sensor (right side of engine compt) Ambient air temperature sensor (lower right front of eng compt) Aspirator blower motor Bat Blower motor control processor Check gages Computer data lines system Coolant over temp engine hot/stop engine low coolant Engine coolant temperature (ect) sensor (rear of right cylinder head) G102 (upper left frame rail) G202 (base of right "a" pillar) Grd Head up display (hud) Hot engine-a/c off service a/c Hud class 2 serial data Hud message center 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 (left side of hvac module) Lower right air temperature sensor (middle right of hvac module) 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) Rly ctrl S242 Sens sig Serial data + Serial data - c1 tan Spd ctrl Speed ctrl Splice pack sp102 Splice pack sp202 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 2004 List of elements for Compressor Wiring Diagram for Cadillac XDiscovery 2004: 17 A c2 A/c comp fuse 15 10a A/c comp relay 35 A/c compressor clutch (lower right side of eng) C1 c10 Engine control module (ecm) (behind lower right front fender) F13 F14 G102 (upper left frame rail) H13 H14 Hot at all times Ign 1 relay 44 Rly ctrl Splice pack sp102 Underhood fuse block (right rear of eng compt) Underhood fuse block (right rear of engine compt)
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004 List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004: 89 (left side of engine) 5v ref A10 A11 A12 A13 A14 Abs fuse 27 60a Abs ind Abs/mrrtd fuse 1 10a Acceleromter lateral B + B10 B11 B12 B13 B14 B16 Bat Brake fluid level switch (master cylinder reservoir) Brake fluid pressure sensor (left front of engine compt) Brake ind Brk fluid lvl sens signal Brk fluid press sens sig Brk press modulator vlv 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 (upper left frame rail) G105 Gmlan Gmlan serial data (+) Gmlan serial data (-) Hot at all times Hot in on or start Ign 1 voltage Inertial sens low ref Inertial sens sply voltage Info not available Instrument panel cluster Ipc Ipc class 2 serial data Left front wheel speed sensor Left rear wheel speed sensor 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 Nca Pnk Power distribution system Rf spd sens low ref Rf spd sens sig Right front wheel speed sensor Right rear wheel speed sensor Rr spd sens low ref Rr spd sens sig S191 S193 S195 S238 S244 Sensor Sig grd Splice pack sp101 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 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) Yaw rate sens sig (2) Anti-lock Brakes Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004 List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004: 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 (base of right "a" pillar) Gmlan serial data bus (+) Gmlan serial data bus (-) Interior lights system Logic Low ref S246 Splice pack sp202 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 Power Door Locks Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004 List of elements for Power Door Locks Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004: 53 k/e ant b-u sig A/t shft lk ctrl Ajar Back up keyless entry antenna Battery Clsd D11 Data link connector (left side of dash) 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 eng compt, by fuse underhood block) G301 (left "b" pillar) G302 (right "b" pillar) 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 Release systems Remote control door lock receiver (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 (behind lower left of i/p) Splice pack sp208 (behind right sid of i/p) Splice pack sp301 Splice pack sp302 Tan Trunk rel sw sig Underhood fuse block (right rear of eng compt) Power Door Locks Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004 List of elements for Power Door Locks Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004: 59 Acca/ driv dr sw fuse 25 10a Alarm on sig Battery Body control module (behind right side of dash) 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 Driver interior door handle switch Exterior lights system Front passenger door module (in front door) G102 (upper left frame rail) G201 (base of left "a" pillar) G202 (base of right "a" pillar) Ground Handle sw sig Hood ajar sw Hood ajar switch Horn rel cntrl Horn system Hot at all times Ign 1 volt Ignition sw/intr sens fuse 27 10a Int sens sig Interior lights system Intr sens sw Intrusion sensor Intrusion sensor defeat switch Lcd lamp Lock Lock cntrl Lock sig Passenger door lock indicator Passenger exterior door handle switch Passenger interior door handle switch Pk lamp rel Pnk Rear compartment lid pull down actuator S240 S353 (8 cm left of sp400) S539 S579 S640 S680 Serial data Splice pack sp102 Splice pack sp201 Splice pack sp202 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 2004 List of elements for Body Control Modules Wiring Diagram (1 of 4) for Cadillac XDiscovery 2004: 53 Accessory voltage Battery Bcm class 2 serial data Body control module (behind right side of dash) Chime ctrl Computer data lines system Door locks fuse 5 15a Door locks system Door locks, interior lights systems Engine controls, transmissions, wiper/washer systems Exterior lights system Fog lamp rly ctrl G104 (in i/p harness by underhood fuse 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 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 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 system Trunk. tailgate, fuel doors, door locks systems Windshield washer sw sig Windshield wiper mtr rly coil pwr Wiper/washer system Body Control Modules Wiring Diagram (2 of 4) for Cadillac XDiscovery 2004 List of elements for Body Control Modules Wiring Diagram (2 of 4) for Cadillac XDiscovery 2004: 44 A10 A11 A12 B10 B11 B12 Backup lamp pwr Batt 3 fuse 26 60a Batt 5 fuse 7 30a Battery Body control module (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 Power distribution, navigation system Power distribution, seats system Power distribution, shift interlock system (park brake release circuit) Power distribution, transmissions system Power distribution, wiper/washer 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 Body Control Modules Wiring Diagram (3 of 4) for Cadillac XDiscovery 2004 List of elements for Body Control Modules Wiring Diagram (3 of 4) for Cadillac XDiscovery 2004: 49 A10 A11 A12 Accessory voltage Air conditioning system B10 B11 B12 Backup lamp pwr Battery Body control module (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 system Exterior lights, instrument cluster systems F10 F11 F12 G202 (base of right "a" pillar) Ground Ign 1 voltage Ignition 1 voltage Instrument cluster system Interior lights system Logic Pnk Power distribution Power distribution, air conditioning, mirrors systems Power distribution, cruise control system Power distribution, door locks system Power distribution, electronic power steering, power tops, seats systems Power distribution, engine controls system Power distribution, exterior lights system Power distribution, navigation system Power distribution, transmissions system Run/crnk voltage Sound systems Splice pack sp202 Stop lamp sw sig Stop lamp voltage Body Control Modules Wiring Diagram (4 of 4) for Cadillac XDiscovery 2004 List of elements for Body Control Modules Wiring Diagram (4 of 4) for Cadillac XDiscovery 2004: 36 Adptv crs ctrl gap up/dwn sw sig Anti-lock brakes system Body control module (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 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 2004 List of elements for Computer Data Lines Wiring Diagram for Cadillac XDiscovery 2004: 47 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 (left side of dash) Digital radio receiver Distance sensing cruise control module (center front of engine compt) Driver door module (ddm) (in door) Driver door switch assembly (ddsa) Driver memory seat module (under 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 F20 F21 F32 F33 Folding top module (center of luggage compt) Front passenger door module (fpdm) (in door) G104 (in engine compt, in i/p harness, by underhood fuse block) G201 (base of left "a" pillar) 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 (center of dash) Inflatable restraint sensing & diagnostic module (sdm) (under console) Instrument panel cluster (ipc) Pnk Radio (ipc) Rear fog/ aldl top sw fuse 18 10a Remote control door lock receiver (rcdlr) right side of dash) S232 Splice pack sp201 Splice pack sp205 (behind lower left side of dash) Splice pack sp208 (behind lower right side of dash) Tan Transmission control module (tcm) (behind lower right side of front fender) Vehicle communication interface module (vcim) (front of right wheelwell)
COOLING FAN Cooling Fan Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Cooling Fan Wiring Diagram for Cadillac XDiscovery 2004: 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 (rear of right cylinder head) F7 c3 G101 (upper left frame rail) G102 (upper left frame rail) Grd Head up display (hud) Hot at all times Hud class 2 serial data Hud message center Hvac control module (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 Splice pack sp102 Tan Underhood fuse block (right rear of engine compt)
CRUISE CONTROL Cruise Control Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Cruise Control Wiring Diagram for Cadillac XDiscovery 2004: 67 (upper left frame rail) g102 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 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 (on brake pedal support) 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) F20 F21 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 Off Oss high sig Oss low sig Output shaft sensor (oss) (on left rear transmission case) Pnk Resume/accel Run/ crank relay Run/ crank relay control Serial data bus + Serial data bus - Set/coast Steering wheel control switch assembly (on steering wheel assembly) Stop lamp sw sig System Tac motor -1 Tac motor -2 Tan Throttle actuator control (tac) motor (on throttle body assembly) Transmission control module (lower right 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)
DEFOGGERS Defoggers Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Defoggers Wiring Diagram for Cadillac XDiscovery 2004: 31 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 (at base of left "a" pillar) G202 (at base of right "a" pillar) G301 (left "b" pillar) 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 defogger grid Red S335 S539 S640 Tan Under- hood fuse block (right rear of eng compt)
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Electronic Power Steering Wiring Diagram for Cadillac XDiscovery 2004: 26 (in left pwr seat harn) s244 5 volt ref Abs fuse 27 60a B12 B13 B14 Computer data lines system Electronic brake control module (left front of engine compt) G105 (near brake pressure modulator valve) Gmlan bus + Gmlan bus - Ground Hot at all times Low ref S118 (in eng harn, 6.0 cm from cam pos sens breakout) S238 (in inst panel harn) Signal a Signal b Steering angle sensor (on steering shaft assembly) Str whl pos sig a Str whl pos sig b Tan Underhood fuse block (at right front of engine compt) Variable effort steering actuator Vesa control Vesa sup volt
ELECTRONIC SUSPENSION Electronic Suspension Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Electronic Suspension Wiring Diagram for Cadillac XDiscovery 2004: 40 5v reference Abs/ mrrtd fuse 1 10a Battery voltage Computer data lines system 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 and start Ignition voltage 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 Lr damper ctrl Lr damper out Lr position sens Mrrtd fuse 13 25a Nca a Nca b Pnk 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 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 2004 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac XDiscovery 2004: 61 (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 A/c system Acc vlt Acc vlt sig Accelerator pedal position sensor (behind lower left of dash) Apps 1 sig Apps 2 sig B10 B14 Battery + vlt 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 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 2004 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac XDiscovery 2004: 16 (in right exhaust down pipe, after 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 (center front of engine) From underhood b fuse block (diagram 4 of 5) Heated oxygen sensor (ho2s) bank 1 sensor 2 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 2004 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac XDiscovery 2004: 54 (in antenna/defogger jumper harn, approximately 20.0 cm (7.9 in) from c1 of rear defogger) (in left fuel tank) fuel pump & sender assembly (in passenger door harn, 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 2004 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac XDiscovery 2004: 25 (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 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 2004 List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac XDiscovery 2004: 63 (front of engine) (right rear of engine compt, by battery) (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 G106 (right rear of engine compt, by battery) 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 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 2004 List of elements for Back-up Lamps Wiring Diagram for Cadillac XDiscovery 2004: 38 1.5k ohms 4.42k ohms 8.25k ohms Automatic transmission Automatic transmission shift lever B11 Backup lamp rly ctrl Body control module (behind right side of dash) Class 2 ser data Computer data lines system Crank relay 2 energized D10 G301 (left "b" pillar) G402 (right rear frame, near 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 Stop/ bu/lps fuse 15a Tan Tap dwn - Tap up + Tap up down switch Tap up/dwn sw Transmission control module (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 2004 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004: 58 (behind lower right front fender) 5v ref A12 Auto B11 Body control module (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 Engine control module F11 F38 G101 (upper left frame rail) G102 (upper left frame rail) G201 (base of left "a" pillar) G301 (left "b" pillar) 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 S375 Sp101 Sp102 Sp201 Sp301 Stop/ bu/lps fuse 15a Stp lmp sw sig Tan Transmission control module Turn signal/ multifunction switch Under- hood fuse block 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 2004 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004: 43 A12 Body control module (behind right side of dash) Capacitor cp200 Cluster fuse 8 15a Computer data lines system D10 G201 (base of left "a" pillar) G301 (left "b" pillar) G302 (right "b" pillar) 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 Logic Nca Off Right lamp tail Right license lamp Right tail Right tail lamp assembly S260 S375 S391 Sp201 Sp301 Sp302 Stop Stop lamp relay 4 Stp lmp rly ctnl Stp lmp sw sig Tail Tan Turn Turn sig audible warning Turn sig ind
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Cadillac XDiscovery 2004 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Cadillac XDiscovery 2004: 70 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 (upper left frame rail) G102 (upper left frame rail) G104 (in i/p harness by underhood fuse block) G105 (left side of eng, near brake pressure modulator valve) G106 (right rear of engine compt) G107 (right front side of eng) 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 S119 S120 S232 (39 cm from main harn in branch to powertrain control module) Splice pack sp101 Splice pack sp102 Splice pack sp106 Transmission control module (tcm) Underhood fuse block (right rear of eng 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 2004 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Cadillac XDiscovery 2004: 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 (base of left "a" pillar) G301 (left "b" pillar) G401 (left rear frame, near wheel well) G402 (right rear frame, near 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 Outside rearview mirror- driver Pump & valve assembly Rear compartment lid release switch- exterior Rear compartment lid release switch- interior Rear window defogger grid S275 (5 cm from blower motor control module breakout) S293 S335 (3.5 cm from sp400 breakout) S375 (13 cm from c400 breakout) S379 S539 (under driver seat base) S579 (55 cm from right rear shock absorber breakout) S931 (6 cm from outside rearview mirror connector breakout) 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 2004 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Cadillac XDiscovery 2004: 47 (front of right front footwell) i/p relay block Antenna ground plane 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 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 (base of right "a" pillar) G302 (right "b" pillar) 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 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 S640 (81.5 cm from c408 breakout) 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 2004 List of elements for Headlights Wiring Diagram for Cadillac XDiscovery 2004: 69 (bcm) class 2 (not used) Air conditioning system Auto Body control module (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 (upper left frame rail) G102 (upper left frame rail) G201 (base of 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 (center of dash) Instrument panel cluster Left "a" pillar) 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 harn, approx 4.0 cm (1.5 in) from breakout for passenger seat relay center connector c1) S275 Sen sig Ser data Sp101 Sp102 Sp201 Sunload sensor assembly (upper center of dash) Turn signal/ multifunction switch Under- hood fuse block (right rear of engine compt)
HORN Horn Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Horn Wiring Diagram for Cadillac XDiscovery 2004: 18 A10 c1 A12 c3 Body control module (bcm) (behind right side of dash) G102 (upper left frame rail) G201 (base of left "a" pillar) Horn assembly Horn fuse 2 15a Horn relay Horn rly ctrl Horn switch Hot at all times Inflatable restraint steering wheel module coil Logic Sp102 Sp201 Steering wheel Tan Underhood fuse block (right rear of engine compt)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004: 98 A10 A11 A12 A13 A14 A15 A16 A17 Abs ind Air bag ind B10 B11 B12 B13 B14 B15 B16 B17 Battery Brake fluid Brake fluid level switch (in master cylinder reservoir) Brake ind Check engine ind Class 2 (bcm) Class 2 (sdm) Computer data lines system Coolant temp Dic down sw Dic ground Dic options Dic reset Dic sw illum Dic up sw Dim down switch Dim up switch Dimmer down Dimmer select Dimmer switch Dimmer up Dimmer v+ Dimmer/head up display switch Dome lamp Dome switch Driver information center (dic) switch Driver information center: message center, information display, warning messages Engine speed Ess Exterior lights system F10 Fog lamp ind Fuel level G101 G104 (in engine compt, by underhood fuse block) G201 (base of left "a" pillar, behind trim panel) Gmlan (bcm) Gmlan (ebcm) Gmlan (ecm) Gmlan (tcm) Ground Hazard Headlamps on ind High beam ind Ign Illum Illumination (4 bulbs) Image switch Information switch Instrument panel cluster (ipc) Interior lights system Ipc Left turn ind Mph ind Oil pressure Options switch Panel lamps Park brake Park brake pedal assembly (lower left kick panel) Park lamp Pnk Reset switch Right turn ind S232 Seat belt ind Security ind Serial data Speedometer Splice pack sp101 (upper left frame rail) Splice pack sp201 Tachometer Tire pressure ind Traction off ind Turn signal audible ind Underhood fuse block (right rear of engine compt) Upshift ind Vehicle speed Vss Washer fluid Windshield washer fluid level switch (in washer fluid reservoir) Instrument Cluster Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004: 58 (i/p harn, 22.5 cm from breakout to rearview mirror) (pass door harn, 6 cm from breakout to outside mirror) s462 +5v ref 6.5 cm from breakout to passenger turn signal) 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 (rear side of right cylinder head) Engine oil level switch (bottom center of oil pan) Engine oil pressure sensor (lower left side of engine) Fuel level sensor (left) Fuel level sensor (right) (in fuel tank) Fuel lvl 1 Fuel lvl 2 Fuel pump & sender assembly (in fuel tank) G102 (upper left frame rail) G201 (base of left "a" pillar, behind trim panel) 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) Low ref Message request Mil ctrl Oil level Oil press Pnk Radio Rear object sensor control module S211 S391 (rear body harn, pnk S460 (antenna/defogger harn, 20 cm from rear defogger) Seat belt switch (left) (below seat belt buckle assembly) Serial data Serial data+ Serial data- Splice pack sp102 Splice pack sp201 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 2004 List of elements for Courtesy Lamps Wiring Diagram for Cadillac XDiscovery 2004: 63 (rear harn, 6.5 cm from breakout to left backup lamp) s351 (trans harn, 55 cm from breakout to right rear shock absorber) s310 A10 Ajar Battery+ Body control module (bcm) (behind right side of dash) C1 b1 C1 d2 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 door) Driver information center (dic) switch Front passenger close door latch Front passenger door module (fpdm) (in door) G102 (upper left frame rail) G201 (base of left "a" pillar) G202 (base of right "a" pillar) G301 (left "b" pillar) G302 (right "b" pillar) Garage door opener Ground Hot at all times I/p comp- artment lamp 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 Splice pack sp201 Splice pack sp202 Splice pack sp301 Splice pack sp302 Tan Trunk lamp ctrl Under- hood fuse block Under- hood lamp Instrument Illumination Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Instrument Illumination Wiring Diagram for Cadillac XDiscovery 2004: 83 (i/p harn, 10 cm from breakout to blower motor ctrl module) (i/p harn, 11 cm from yaw rate connector) s255 (i/p harn, 22.5 cm from breakout to accessory plug) s237 (in driver door harn) s559 (in engine compt, by underhood fuse block) (in passenger door harn) s660 A10 A12 A16 Automatic trans- mission shift lever Battery Battery+ Body control module (bcm) (behind right side of dash) C10 C3 c9 C4 d10 C4 e1 Cluster fuse 8 15a Computer data lines system 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 door) Driver door switch assembly Driver information center (dic) switch Driver seat Folding top switch Front passenger door handle switch (interior) Front passenger door lock switch Front passenger door module (fpdm) (in door) Front passenger window assembly Fuel door release switch G104 G201 (base of left "a" pillar) G202 (base of right "a" pillar) Ground Hazard switch Hot at all times Hvac control module I/p fuse block (front of right front footwell, behind the carpet) Ignition mode switch Illum Illum (3 bulbs) Illum ctrl Inflatable restraint steering wheel module coil Instrument panel cluster (ipc) Interior lights fuse 6 10a Lcd backlight Logic Memory seat switch Panel lamps Panel lmps Park lamp Park lamp relay 37 Park lamps Park lamps fuse 8 10a Radio Rear comp- artment release switch (interior) S232 S246 S248 S293 S579 S680 Serial data Splice pack sp201 Splice pack sp202 Steering wheel control switch assembly Steering wheel dimming fuse 2a Tan Tilt/ tele sw/ mem seat mod fuse 26 10a Traction control switch Underhood fuse block (right rear of engine compt)
MEMORY SYSTEMS Driver"s Memory Seat Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004 List of elements for Driver"s Memory Seat Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004: 73 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 (left "b" pillar) 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 Splice pack sp301 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 2004 List of elements for Driver"s Memory Seat Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004: 28 (in driver seat harn) 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 Rear vertical down Rear vertical motor Rear vertical position sensor Rear vertical up Recline forward Recline motor Recline position sensor Recline rearward S395 S397 Steering column telescope drive motor Steering column tilt drive motor Tan Memory Mirrors Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Memory Mirrors Wiring Diagram for Cadillac XDiscovery 2004: 58 (in i/p harn, behind right side of dash) 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 (on driver's door) Driver memory seat module (under driver's seat) Driver outside rearview mirror Exit switch F10 F11 F14 Front passenger door module (fpdm) (in passenger's door) G201 (base of left "a" pillar) G202 (base of right "a" pillar) G301 (left "b" pillar) 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 Splice pack sp202 Splice pack sp205 (in i/p harn, behind lower left side of dash) Splice pack sp301 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 2004 List of elements for Steering Column Memory Wiring Diagram for Cadillac XDiscovery 2004: 58 (in driver seat harn) 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 (left "b" pillar) 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 Rev S224 S379 S393 S395 S397 Splice pack sp301 Tan Telescope drive motor Telescope forward ctrl Telescope forward sig Telescope in Telescope out Telescope position sens Telescope reverse ctrl Telescope reverse sig Tilt down Tilt down ctrl Tilt down sig Tilt drive motor Tilt position sens Tilt up Tilt up ctrl Tilt up sig Tilt/ telescope switch Tilt/tele sw/ mem seat mod fuse 26 10a
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Cadillac XDiscovery 2004 List of elements for Power Distribution Wiring Diagram (1 of 4) for Cadillac XDiscovery 2004: 92 (32.5 cm from radio connectors) (39.5 cm from inside rearview mirror breakout) (front of right front footwell) i/p relay block (right rear of eng 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 F27 Fog lp fuse 22 15a Fog lp relay 38 Folding top module Front passenger door module (fpdm) Fuel door relay Generator H c1 H13 H14 Hdlp wash fuse 18 20a Hdlp wash relay 46 Heated seat lh fuse 15a Heated seat rh fuse 15a High beam relay 39 Horn fuse 2 15a Horn relay 34 Hvac fuse 28 40a I/p relay block (front of right front footwell, behind carpet) Ign 1 relay 44 K10 K14 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 seat adjuster switch Passenger seat pump Passenger upper lumbar switch Pk lamps fuse 8 10a Power lumbar lh/rh fuse 15a Power seats circuit breaker 30a Rear defog relay 4 Red Remote control door lock receiver (rcdlr) 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 2004 List of elements for Power Distribution Wiring Diagram (2 of 4) for Cadillac XDiscovery 2004: 76 (11.5 cm from main harness in branch leading to power- train control module connectors) s208 (behind right side of dash) body control module (bcm) A.c. latch/ pk brk b fuse 10 10a A12 c1 A6 c3 A7 c2 A8 c2 A8 c3 Air temperature sensor- inside Automatic transmission shift lever B c1 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 c2 Exterior lights system F1 c1 F19 From batt 1 fuse (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) 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 (5 cm from blower motor control module conn breakout) s231 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 (20 cm 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 (diagram 3 of 4) Turn signal/ multifunction switch lever Tutd sw/strg col sw fuse 15 2a Underhood fuse block (right rear of eng compt) 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 2004 List of elements for Power Distribution Wiring Diagram (3 of 4) for Cadillac XDiscovery 2004: 73 (5 cm from left rear license lamp breakout) s355 (6.5 cm from c400 breakout) s333 (81.5 cm from c408 breakout) s319 (behind right side of dash) body control module (bcm) (front of right front footwell) i/p fuse block 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 switch From batt 1 fuse 26 (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) 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 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 (15 cm from passenger rear speaker breakout) Sdm/psir sw fuse 13 10a Splice pack sp202 (base of right "a" pillar) 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 2004 List of elements for Power Distribution Wiring Diagram (4 of 4) for Cadillac XDiscovery 2004: 25 Back up keyless entry antenna Back up sig 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 2004 List of elements for Power Mirrors Wiring Diagram for Cadillac XDiscovery 2004: 24 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 (at base of right "a" pillar) 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
POWER SEATS Driver Climate Control Seat Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Driver Climate Control Seat Wiring Diagram for Cadillac XDiscovery 2004: 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 (on left "b" pillar) Ground Heated seat lh fuse 15a Hot at all times Hot in run and start Hvac control module (at center of dash) Hvac heated/ cool seat mode sig I/p fuse block 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 Temp ctrl switch Lumbar Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Lumbar Wiring Diagram for Cadillac XDiscovery 2004: 24 Batt Deflate ctrl Driver lower lumbar switch Driver lumbar/ pump control module assembly Driver seat Driver upper lumbar switch G301 (left "b" pillar) G302 (right "b" pillar) Gnd Hot at all times I/p fuse block 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 S399 Splice pack sp301 Splice pack sp302 Passenger Climate Control Seat Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Passenger Climate Control Seat Wiring Diagram for Cadillac XDiscovery 2004: 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 (on right "b" pillar) Ground Heated seat rh fuse 15a Hot at all times Hot in run and start Hvac control module (at center of dash) Hvac heated/ cool seat mode sig I/p fuse block 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 Tan Temp ctrl switch Passenger Power Seat Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Passenger Power Seat Wiring Diagram for Cadillac XDiscovery 2004: 25 Dwn Front passenger seat adjuster switch Front passenger seat motor assembly Front passenger seat recline motor Front vertical motor Frt dn Frt up Fwd G302 (on right "b" pillar behind trim panel) Horizontal motor Hot at all times I/p fuse block 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 Tan
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004 List of elements for Power Top/Sunroof Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004: 69 (in center console trim plate, rearward of shifter) folding top position sensor (in rear compt, behind passenger seat, below digital radio receiver) front tonneau position sensor (in rear compt, on deck lid hinge latch) rear tonneau position sensor (rear body harn, approximately 2.5 in from left backup lamp connector breakout) (right side of 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 sig Front tonneau position sensor sig G202 (at base of right "a" pillar) G301 (on left "b" pillar) Ground Hard top converted sig Header latch Header latch sw sig Header unlatch sw sig Hot at all times Hvac control module (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 Rear compt lid open sw sig Rear compt lid pull down actuator sig Rear compt lid release/close sw sig Rear tonneau position sensor sig S331 S337 Splice pack sp 208 (behind low right side of dash) Splice pack sp202 Splice pack sp301 Tan Top close control Top open ctrl Underhood fuse block (right rear of eng compt) Valet switch Power Top/Sunroof Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004 List of elements for Power Top/Sunroof Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004: 33 (in fuel tank 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 (at base of right "a" pillar) G301 (on left "b" pillar) 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 Splice pack sp202 Splice pack sp301 Tan Thermal Tilt/tele sw/mem seat mod fuse 26 10a Underhood fuse block (right rear of eng compt) Valve 1 Valve 2 Valve 3 Valve 4 Valve 5
POWER WINDOWS Power Windows Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Power Windows Wiring Diagram for Cadillac XDiscovery 2004: 35 Acca/driv dr sw fuse 25 10a Body control module (bcm) (behind right side of dash) Computer data lines Ddm class 2 ser data Down Driver door module under door trim) (on left door, Driver door switch assembly (ddsa) Driver window motor Driver window switch Driver wndo down signal Driver wndo express sig Driver wndo up signal Dwn Express up/down Front passenger door module under door trim panel) (on right front door, Front passenger window switch G201 (base of left "a" pillar) 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 motor 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 2004 List of elements for Radio Wiring Diagram (1 of 3) for Cadillac XDiscovery 2004: 88 (in i/p fuse harn, by underhood fuse block) g104 1.18k ohms 12.7k ohms 2k ohms 3k ohms Ant radio sig Antenna enable sig Antenna ground plane Aux detection sig Bare Battery Bcm clss 2 ser data Body control module (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 G302 (right "b" pillar) 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 Ohms 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 2004 List of elements for Radio Wiring Diagram (2 of 3) for Cadillac XDiscovery 2004: 40 (in i/p fuse harn, by underhood fuse block) g104 Antenna ground plane Audio common Aux detection sig Bare Battery Body control module (behind right side of dash) Cd changer Class 2 ser data Coax Computer data lines system Digital radio receiver Drain G302 (right "b" pillar) Global positioning satellite 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 raio ctrl sig Tan Terrestrial ant sig Terrestrial antenna Radio Wiring Diagram (3 of 3) for Cadillac XDiscovery 2004 List of elements for Radio Wiring Diagram (3 of 3) for Cadillac XDiscovery 2004: 57 (in i/p fuse harn, by underhood fuse 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 (at front of right wheelwell) Voice rec aud low ref Voice rec audio sig
SHIFT INTERLOCK Park Brake Release Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Park Brake Release Wiring Diagram for Cadillac XDiscovery 2004: 23 A.c. latch 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 (base of right "a" pillar) Hot at all times I/p relay block (front of right front footwell, behind carpet) Instrument panel cluster (ipc) 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 Splice pack sp202 Tan Shift Interlock Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Shift Interlock Wiring Diagram for Cadillac XDiscovery 2004: 20 1k ohm 3k ohm 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 Brake pedal position sensor (on brake pedal support) Btsi sol/ col lock fuse 19 10a Class 2 serial data Computer data lines system D c1 D7 c3 Hot at all times L c1 Low reference Park switch Pnk Remote control door lock receiver (rcdlr) (right side of dash) Tan Steering Column Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Steering Column Wiring Diagram for Cadillac XDiscovery 2004: 38 (front body harn, 22.5 cm from breakout to passenger rear speaker) s251 294 ohm 487 ohm Automatic transmission shift lever Battery Body control module (bcm) (behind right side of dash) Btsi sol/ col lock fuse 19 10a C3 d7 C4 d8 Class 2 serial data Column lk module fuse 15a Column lock enable relay Computer data lines system G202 (base of right "a" pillar) Ground Hot at all times Hot in run or start Hot w/ auxiliary power relay energized I/p fuse block (front of right front footwell, behind carpet) Ignition 1 Isrvm/ hvac fuse 14 10a Lock Locked Park switch 2 (closed in park) Pnk S231 S240 S253 Steering column lock Steering column lock control module (behind left side of dash) Steering column lock sig Steering column unlock Steering lock ctrl Steering wheel theft deterrent lock Trans shift sw (park sig) Trans shift sw park signal Unlock Unlocked
STARTING/CHARGING Charging Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Charging Wiring Diagram for Cadillac XDiscovery 2004: 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 i/p harn, by underhood fuse block) G106 (right rear of engine compt) 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 Starter Tan Underhood fuse block (right rear of engine compt) Volts Starting Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Starting Wiring Diagram for Cadillac XDiscovery 2004: 58 (behind right side of dash) body control module (bcm) (right rear frame, near wheel well) 5v ref A13 A14 A5 c1 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 f12 C3 d1 Computer data lines system Crank relay E12 Ecm fuse 12 15a 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 i/p harn, by underhood fuse block) G106 (right rear of engine compt) G402 Generator Grd 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 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 2004 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004: 36 (behind driver door panel inside door) left inflatable restraint side impact sensor (behind passenger door panel inside door) right inflatable restraint side impact sensor (body control module) (right footwell, behind carpet) C10 Case ground Disable sw sig G202 (at base of right "a" pillar behind trim panel) Ground High control Hot in run or crank Ignition 1 voltage Indicator control Inflatable restraint sensing & diagnostic module (sdm) (behind center of dash, under hvac control head) Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Left front seat belt pretensioner Left inflatable restraint seat position switch Left inflatable restraint side impact module (in driver seat back, on side toward door) Low control Low reference Pnk Right front seat belt pretensioner Right inflatable restraint seat position switch Right inflatable restraint side impact module (in passenger seat back, on side toward door) S391 rear body harness, approx 6.5 cm (2.5 in) from passenger turn signal breakout) Sdm/psir fuse 10a Seat pos sig Sensor signal Sensor voltage Serial data Shorting bar Shorting clip Stage 1 Stage 2 Tan Warning system Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004: 23 Air bag indicator Class 2 sdm Data link connector (below steering column) Dsbl sw sig G202 (at base of right "a" pillar behind trim panel) Ground Ignition 1 Ind sply vlt Inflatable restraint i/p module 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 (on left front of engine compt) Park lmp vlt Pnk Right inflatable restraint front end sensor (on right front of engine compt) Shorting bar Shorting clip Splice pack sp205 (behind lower left of dash, near park brake assembly) Stage 1 Stage 2
TRANSMISSION A/T Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004 List of elements for A/T Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004: 61 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 Distance sensing cruise control module 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 and start Hud message center Ign 1 vlt Instrument panel cluster Mesg req tcm Message center Oss hi sig Oss low sig Pc sol vlv hi cntl Pc sol vlv lo cntl Pnk Pressure control sol Sp106 (right rear of engine compt) 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 2004 List of elements for A/T Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004: 29 (at base of right "a" pillar) g202 1.5k ohms 4.42k ohms 8.25k ohms Acc vlt sig Automatic transaxle internal mode switch Automatic transmission Automatic transmission shift lever Body control module (behind right side of dash) G402 (on underbody, on right rear frame by right rear wheel well) Hot at all times I/p lamp cntl Input shaft speed sensor Interior lights system Logic Output shaft speed sensor Pnk Relay cntl Run/ crank relay 2 S246 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 Turn signal/ multi-function switch, steering wheel control switch assembly Tutd sw/ strg col sw fuse 15 2a
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagram for Cadillac XDiscovery 2004 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagram for Cadillac XDiscovery 2004: 62 A tan Ac latch pk brk b fuse 10 10a Accy vlt Aux pwr rly pwr Auxiliary power relay Batt 1 fuse 33 60a Batt 3 fuse 26 60a Body control module (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 (base of left "a" pillar) G202 G301 (left "b" pillar) G302 (right "b" pillar) Ground 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 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 (right side of dash) Rfa class 2 ser data S208 S222 S234 S353 S355 S931 S939 Sp201 Sp202 (base of right "a" pillar) Sp301 Sp302 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 2004 List of elements for Warning Systems Wiring Diagram for Cadillac XDiscovery 2004: 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) G201 (base of left "a" pillar) G301 (left "b" pillar) Head Inflatable restraint sensing & diagnostic module (sdm) 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) Rf turn sig sw Rfa class 2 serial data Right front tire pressure monitor Right rear tire pressure monitor S275 S375 S391 (6.5 cm from pass turn sig breakout) Sdm class 2 serial data Seat belt ind Solid state Sp201 Sp301 Tan Turn signal/ multifunction switch
WIPER/WASHER Front Wiper/Washer & Headlamp Washer Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004 List of elements for Front Wiper/Washer & Headlamp Washer Wiring Diagram (1 of 2) for Cadillac XDiscovery 2004: 55 Accessory relay Accessory voltage signal Body control module (behind right side of dash) C3 a3 C3 c3 C3 e7 Diode 1 diode Diode 2 diode f5 F16 F19 G102 (on upper left frame rail) G16 G19 G201 (base of left "a" pillar, behind trim panel) Gnd 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 Splice pack sp 102 Splice pack sp 201 To w/s wash relay 36 (diagram 2 of 2) Under- hood fuse block right rear of eng compt) Windshield wiper motor Windshield wiper motor park switch signal Windshield wiper switch high 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 2004 List of elements for Front Wiper/Washer & Headlamp Washer Wiring Diagram (2 of 2) for Cadillac XDiscovery 2004: 29 Body control module (below right side of dash) C3 f2 pnk F3 pnk From diode2/ diode f5 (diagram 1 of 2) G101 (on upper left frame rail) G102 (on upper left frame rail) G202 (at base of right "a" pillar) Ground Hdlp wash fuse 18 20a Headlamp washer fluid pump Headlamp washer relay control Hot at all times Mist Off Outside moisture sensor Pnk Pulse S312 Splice pack sp 102 Splice pack sp 202 Splice pack sp101 Under- hood fuse block right rear of eng compt) W/s wash fuse 17 15a Wash Windshield washer fluid pump Windshield washer switch signal Windshield wiper switch low signal Windshield wiper/washer switch Wiper on/off relay 36
