ENGINE PERFORMANCE – Cadillac DeVille DHS 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.6L VIN 9

4.6L VIN 9, Engine Performance Wiring Diagram (1 of 5) for Cadillac DeVille DHS 2004

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (1 of 5) for Cadillac DeVille DHS 2004:

• (back-up lamp harn, 14.5 cm from c400)
• 5v ref
• 5volt ref
• A/c clutch rly ctrl
• A/c press sens sig
• Acc
• Acc/run/crank volt
• Air conditioning system
• Air pmp rly ctrl
• Bat
• Brake sw sig
• Class 2 serial data
• Computer data lines system
• Cooling fans system
• Crank sig
• Cruise control system
• Cruise ctrl engaged
• Cruise inhibit sig
• Electronic suspension system
• Engine spd sig
• Evaporative emissions (evap) canister purge solenoid (on intake manifold)
• Evaporative emissions (evap) canister vent solenoid (left underside of vehicle chassis)
• Fuel press sens sig
• Fuel tank pressure (ftp) sensor (top of fuel tank)
• G100 (below thermo- stat housing)
• Grd
• H/s fan rly ctrl
• Hot at all times
• Hot in on or start
• Iat sensor
• Ign
• Ign 1 fuse 10a
• Ign 1 voltage
• Ignition switch
• Instrument cluster system
• Instrument panel cluster (ipc)
• L/s fan rly ctrl
• Lift/dive sig
• Low ref
• Malfunction indicator lamp (mil)
• Mass air flow sensor (on throttle body)
• Mil ctrl
• Off
• Pcm batt fuse 10a
• Pcm ign fuse 10a
• Pnk
• Powertrain control module (in air cleaner housing)
• Pri fuel lvl sens sig
• Pri fuel pmp rly ctrl
• Rear fuse block (under left rear seat)
• S130
• S213
• S401
• Sens sig
• Start
• Starter rly coil ctrl
• Starting/charging system
• Tan
• Tcc brake sw
• Underhood fuse block (right side of eng compt)
• Vent sol ctrl
• Vent sol fuse 10a
• Vss

4.6L VIN 9, Engine Performance Wiring Diagram (2 of 5) for Cadillac DeVille DHS 2004

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (2 of 5) for Cadillac DeVille DHS 2004:

• (below thermostat housing)
• (in fuel tank) fuel pump & sender assembly
• (near radiator surge tank)
• (right side of eng compt) underhood fuse block
• Air ctrl vlv relay
• Air pump fuse 50a
• Automatic transaxle
• Automatic transaxle internal mode switch (ims)
• Cruise control system
• Extended travel brake switch
• F/pmp fuse 20a
• F/pmp relay
• Fuel level sensor
• Fuel pump
• G100
• G102 (below thermostat housing)
• G301 (under rear seat)
• G402 (left rear corner of rear compt)
• Heated oxygen sensor (ho2s) bank 1 sensor 1 (on right exhaust manifold)
• Heated oxygen sensor (ho2s) bank 1 sensor 2 (near rear flange of catalytic converter)
• Heated oxygen sensor (ho2s) bank 2 sensor 1 (on left exhaust manifold)
• Hot at all times
• Hot in on or start
• Ign 1 fuse 10a
• Nca
• Pnk
• Rear fuse block (under left rear seat)
• Red
• S130
• Secondary air injection (air) pump (left front of eng compt)
• Secondary air injection (air) pump relay
• Secondary air injection (air) shut- off valve assembly
• Splice pack sp301
• Splice pack sp402
• Stop lamp switch (near top of brake pedal)
• Tan
• Tcc brake switch signal
• Trans fuse 10a

4.6L VIN 9, Engine Performance Wiring Diagram (3 of 5) for Cadillac DeVille DHS 2004

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (3 of 5) for Cadillac DeVille DHS 2004:

• (below thermo- stat housing)
• 1-2 shft sol ctrl
• 1-2 shift solenoid valve
• 2-3 shift sol
• 2-3 shift solenoid valve
• Anti-lock brakes system
• At iss high sig
• At iss low sig
• Automatic trans- axle fluid pressure manual valve position switch
• Automatic trans- axle input shaft speed (iss) sensor
• Automatic transaxle
• Automatic transaxle fluid temper- ature (tft) sensor
• C3 powertrain control module (in air cleaner housing)
• Del torque sig
• E pnk
• Fluid press sw a sig
• Front/vss high sig
• G100
• Ho2s high sig (2/1)
• Ho2s htr low (2/1)
• Ho2s low sig (2/1)
• Iat sens sig
• Low ref (iat)
• Low ref (trans temp)
• Maf sens sig
• N pnk
• P red
• Pc sol high ctrl
• Pc sol vlv low ctrl
• Pnk
• Pressure control solenoid valve
• Red
• Req torque sig
• S113
• S130
• Switch a
• Switch b
• Tan
• Tcc sol ctrl
• Tft sens sig
• Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
• Trans press sig c
• Trans range sw sig a
• Trans range sw sig b
• Trans range sw sig c
• U pnk
• Vehicle speed sensor (vss) (transaxle case extension)
• Vss/oss low sig

4.6L VIN 9, Engine Performance Wiring Diagram (4 of 5) for Cadillac DeVille DHS 2004

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (4 of 5) for Cadillac DeVille DHS 2004:

• (13 cm from ignition coil/ module 7)
• (15 cm from c140)
• (on cam cover) exhaust gas recirculation (egr) valve
• (right rear of engine)
• A6 pnk
• A8 pnk
• B5 pnk
• B6 pnk
• B9 pnk
• C8 pnk
• C9 pnk
• Coil mdl fuse 20a
• D4 pnk
• D8 pnk
• D9 pnk
• E red
• E4 pnk
• Engine coolant temperature (ect) sensor (right rear of engine)
• F4 pnk
• Fuel injector
• G103
• Hot in on or start
• Idle air control (iac) valve (on throttle body)
• Ignition coil/ module
• Injr 1 fuse 10a
• Injr 2 fuse 10a
• Manifold absolute pressure (map) sensor (near throttle body)
• Oxy sen fuse 10a
• Pnk
• Power distri- bution system
• Red
• S142
• S144
• S146
• Stepper motor
• Throttle position (tp) sensor (left of throttle body)
• Underhood fuse block (right side of eng compt)

4.6L VIN 9, Engine Performance Wiring Diagram (5 of 5) for Cadillac DeVille DHS 2004

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (5 of 5) for Cadillac DeVille DHS 2004:

• (below thermostat housing)
• (in cam carrier) camshaft position (cmp) sensor
• (left side of oil pan) engine oil level switch
• (lower left side of engine) crankshaft position (ckp) sensor a
• (lower left side of engine) crankshaft position (ckp) sensor b
• (on engine block) knock sensor 2
• (right rear of engine)
• (under intake manifold top cover) knock sensor 1
• 12v ref
• 5v ref
• 5v ref (map)
• Air sol rly ctrl
• Crank sens a sig
• Crank sens b sig
• Ect sens sig
• Egr sol ctrl
• Egr sol high ctrl
• Egr vlv position sig
• Engine oil pressure switch (left side of engine)
• Evap canister sol ctrl
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Fuel inj 7 ctrl
• Fuel inj 8 ctrl
• G100
• G103
• Gen field duty sig
• Gen turn on sig
• Grd
• His res sig
• Ho2s high sig (1/1)
• Ho2s high sig (1/2)
• Ho2s htr low (1/1)
• Ho2s htr low (1/2)
• Ho2s low sig (1/1)
• Ho2s low sig (1/2)
• Iac coil a high ctrl
• Iac coil a low ctrl
• Iac coil b high ctrl
• Iac coil b low ctrl
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ic 5 ctrl
• Ic 6 ctrl
• Ic 7 ctrl
• Ic 8 ctrl
• Ignition coil/ module
• Ks 1 low ref
• Ks 1 sig
• Ks 2 sig
• Low ref
• Low ref (coolant sens)
• Low ref (crank ret)
• Low ref (egr)
• Low ref (est bank 1)
• Low ref (est bank 2)
• Low ref (map)
• Low ref (tps)
• Low ref ks 2
• Map sens sig
• Nca
• Oil lvl sw sig
• Oil press sw sig
• Pnk
• Pnk a
• Powertrain control module (in air cleaner housing)
• Red
• Red b
• S130
• S131
• S133
• S135
• Starting/ charging system
• Tp sens sig

4.6L VIN Y

4.6L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Cadillac DeVille DHS 2004

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Cadillac DeVille DHS 2004:

• (back-up lamp harn, 14.5 cm from c400)
• 5v ref
• 5volt ref
• A/c clutch rly ctrl
• A/c press sens sig
• Acc
• Acc/run/crank volt
• Air conditioning system
• Air pmp rly ctrl
• Bat
• Brake sw sig
• Class 2 serial data
• Computer data lines system
• Cooling fans system
• Crank sig
• Cruise control system
• Cruise ctrl engaged
• Cruise inhibit sig
• Electronic suspension system
• Engine spd sig
• Evaporative emissions (evap) canister purge solenoid (on intake manifold)
• Evaporative emissions (evap) canister vent solenoid (left underside of vehicle chassis)
• Fuel press sens sig
• Fuel tank pressure (ftp) sensor (top of fuel tank)
• G100 (below thermo- stat housing)
• Grd
• H/s fan rly ctrl
• Hot at all times
• Hot in on or start
• Iat sensor
• Ign
• Ign 1 fuse 10a
• Ign 1 voltage
• Ignition switch
• Instrument cluster system
• Instrument panel cluster (ipc)
• L/s fan rly ctrl
• Lift/dive sig
• Low ref
• Malfunction indicator lamp (mil)
• Mass air flow sensor (on throttle body)
• Mil ctrl
• Off
• Pcm batt fuse 10a
• Pcm ign fuse 10a
• Pnk
• Powertrain control module (in air cleaner housing)
• Pri fuel lvl sens sig
• Pri fuel pmp rly ctrl
• Rear fuse block (under left rear seat)
• S130
• S213
• S401
• Sens sig
• Start
• Starter rly coil ctrl
• Starting/charging system
• Tan
• Tcc brake sw
• Underhood fuse block (right side of eng compt)
• Vent sol ctrl
• Vent sol fuse 10a
• Vss

4.6L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Cadillac DeVille DHS 2004

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Cadillac DeVille DHS 2004:

• (below thermostat housing)
• (in fuel tank) fuel pump & sender assembly
• (near radiator surge tank)
• (right side of eng compt) underhood fuse block
• Air ctrl vlv relay
• Air pump fuse 50a
• Automatic transaxle
• Automatic transaxle internal mode switch (ims)
• Cruise control system
• Extended travel brake switch
• F/pmp fuse 20a
• F/pmp relay
• Fuel level sensor
• Fuel pump
• G100
• G102 (below thermostat housing)
• G301 (under rear seat)
• G402 (left rear corner of rear compt)
• Heated oxygen sensor (ho2s) bank 1 sensor 1 (on right exhaust manifold)
• Heated oxygen sensor (ho2s) bank 1 sensor 2 (near rear flange of catalytic converter)
• Heated oxygen sensor (ho2s) bank 2 sensor 1 (on left exhaust manifold)
• Hot at all times
• Hot in on or start
• Ign 1 fuse 10a
• Nca
• Pnk
• Rear fuse block (under left rear seat)
• Red
• S130
• Secondary air injection (air) pump (left front of eng compt)
• Secondary air injection (air) pump relay
• Secondary air injection (air) shut- off valve assembly
• Splice pack sp301
• Splice pack sp402
• Stop lamp switch (near top of brake pedal)
• Tan
• Tcc brake switch signal
• Trans fuse 10a

4.6L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Cadillac DeVille DHS 2004

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Cadillac DeVille DHS 2004:

• (below thermo- stat housing)
• 1-2 shft sol ctrl
• 1-2 shift solenoid valve
• 2-3 shift sol
• 2-3 shift solenoid valve
• Anti-lock brakes system
• At iss high sig
• At iss low sig
• Automatic trans- axle fluid pressure manual valve position switch
• Automatic trans- axle input shaft speed (iss) sensor
• Automatic transaxle
• Automatic transaxle fluid temper- ature (tft) sensor
• C3 powertrain control module (in air cleaner housing)
• Del torque sig
• E pnk
• Fluid press sw a sig
• Front/vss high sig
• G100
• Ho2s high sig (2/1)
• Ho2s htr low (2/1)
• Ho2s low sig (2/1)
• Iat sens sig
• Low ref (iat)
• Low ref (trans temp)
• Maf sens sig
• N pnk
• P red
• Pc sol high ctrl
• Pc sol vlv low ctrl
• Pnk
• Pressure control solenoid valve
• Red
• Req torque sig
• S113
• S130
• Switch a
• Switch b
• Tan
• Tcc sol ctrl
• Tft sens sig
• Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
• Trans press sig c
• Trans range sw sig a
• Trans range sw sig b
• Trans range sw sig c
• U pnk
• Vehicle speed sensor (vss) (transaxle case extension)
• Vss/oss low sig

4.6L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Cadillac DeVille DHS 2004

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Cadillac DeVille DHS 2004:

• (13 cm from ignition coil/ module 7)
• (15 cm from c140)
• (on cam cover) exhaust gas recirculation (egr) valve
• (right rear of engine)
• A6 pnk
• A8 pnk
• B5 pnk
• B6 pnk
• B9 pnk
• C8 pnk
• C9 pnk
• Coil mdl fuse 20a
• D4 pnk
• D8 pnk
• D9 pnk
• E red
• E4 pnk
• Engine coolant temperature (ect) sensor (right rear of engine)
• F4 pnk
• Fuel injector
• G103
• Hot in on or start
• Idle air control (iac) valve (on throttle body)
• Ignition coil/ module
• Injr 1 fuse 10a
• Injr 2 fuse 10a
• Manifold absolute pressure (map) sensor (near throttle body)
• Oxy sen fuse 10a
• Pnk
• Power distri- bution system
• Red
• S142
• S144
• S146
• Stepper motor
• Throttle position (tp) sensor (left of throttle body)
• Underhood fuse block (right side of eng compt)

4.6L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Cadillac DeVille DHS 2004

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Cadillac DeVille DHS 2004:

• (below thermostat housing)
• (in cam carrier) camshaft position (cmp) sensor
• (left side of oil pan) engine oil level switch
• (lower left side of engine) crankshaft position (ckp) sensor a
• (lower left side of engine) crankshaft position (ckp) sensor b
• (on engine block) knock sensor 2
• (right rear of engine)
• (under intake manifold top cover) knock sensor 1
• 12v ref
• 5v ref
• 5v ref (map)
• Air sol rly ctrl
• Crank sens a sig
• Crank sens b sig
• Ect sens sig
• Egr sol ctrl
• Egr sol high ctrl
• Egr vlv position sig
• Engine oil pressure switch (left side of engine)
• Evap canister sol ctrl
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Fuel inj 7 ctrl
• Fuel inj 8 ctrl
• G100
• G103
• Gen field duty sig
• Gen turn on sig
• Grd
• His res sig
• Ho2s high sig (1/1)
• Ho2s high sig (1/2)
• Ho2s htr low (1/1)
• Ho2s htr low (1/2)
• Ho2s low sig (1/1)
• Ho2s low sig (1/2)
• Iac coil a high ctrl
• Iac coil a low ctrl
• Iac coil b high ctrl
• Iac coil b low ctrl
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ic 5 ctrl
• Ic 6 ctrl
• Ic 7 ctrl
• Ic 8 ctrl
• Ignition coil/ module
• Ks 1 low ref
• Ks 1 sig
• Ks 2 sig
• Low ref
• Low ref (coolant sens)
• Low ref (crank ret)
• Low ref (egr)
• Low ref (est bank 1)
• Low ref (est bank 2)
• Low ref (map)
• Low ref (tps)
• Low ref ks 2
• Map sens sig
• Nca
• Oil lvl sw sig
• Oil press sw sig
• Pnk
• Pnk a
• Powertrain control module (in air cleaner housing)
• Red
• Red b
• S130
• S131
• S133
• S135
• Starting/ charging system
• Tp sens sig