ENGINE PERFORMANCE – Cadillac DeVille 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.6L VIN 9

4.6L VIN 9, Engine Performance Wiring Diagram (1 of 5) for Cadillac DeVille 2005

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (1 of 5) for Cadillac DeVille 2005:

• (below thermostat housing) g100
• (in body harness, 15 cm from p401)
• 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 (top of engine, on intake manifold)
• Evaporative emissions (evap) canister vent solenoid (under left rear of vehicle)
• Fuel press sens sig
• Fuel tank pressure (ftp) sensor (top of fuel tank)
• 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
• Lock
• Low ref
• Malfunction indicator lamp (mil)
• Mass air flow (maf) sensor (on throttle body)
• Mil ctrl
• Off
• Pcm batt fuse 10a
• Pcm ign fuse 10a
• Pnk
• Powertrain control module (at left side of engine compartment, inside air cleaner)
• Pri fuel lvl sens sig
• Pri fuel pmp rly ctrl
• Rear fuse block (under left rear seat)
• S130
• S213
• S405
• Sens sig
• Start
• Starter rly coil ctrl
• Starting/charging system
• Tan
• Tcc brake sw
• Underhood fuse block (at right side of engine compt)
• Vent sol ctrl
• Vent sol fuse 10a
• Vss

4.6L VIN 9, Engine Performance Wiring Diagram (2 of 5) for Cadillac DeVille 2005

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (2 of 5) for Cadillac DeVille 2005:

• (below thermostat housing)
• (in fuel tank) fuel pump & sender assembly
• (left front of engine, under thermostat housing, on transmission case)
• (right side of engine 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
• G301
• G402
• 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
• Power distribution system
• Rear fuse block (under left rear seat)
• Red
• S130
• Secondary air injection (air) pump (lower left corner of engine compt)
• Secondary air injection (air) pump relay (near radiator
• Secondary air injection (air) shut- off valve assembly
• Splice pack sp301 (left rear of passenger compartment, 31.5 cm from cross-car channel)
• Splice pack sp402 (left rear corner of rear compt, near left taillamp connector)
• Stop lamp switch (near top of brake pedal)
• Surge tank)
• Tan
• Tcc brake switch signal
• Trans fuse 10a

4.6L VIN 9, Engine Performance Wiring Diagram (3 of 5) for Cadillac DeVille 2005

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (3 of 5) for Cadillac DeVille 2005:

• 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 input shaft speed (iss) sensor
• Automatic transaxle
• Automatic transaxle fluid temper- ature (tft) sensor
• C3 powertrain control module (at left side of engine compt, inside air cleaner)
• Del torque sig
• E pnk
• Fluid press sw a sig
• Front/vss high sig
• 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
• Pc sol high ctrl
• Pc sol vlv low ctrl
• Pnk
• Pressure control solenoid valve
• Red
• Req torque sig
• S113
• 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
• Used) (not n
• Used) (not p
• Vehicle speed sensor (vss) (on transaxle case extension)
• Vss/oss low sig

4.6L VIN 9, Engine Performance Wiring Diagram (4 of 5) for Cadillac DeVille 2005

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (4 of 5) for Cadillac DeVille 2005:

• (in front bank ignition coil jumper harness, 15 cm from c140)
• (top right rear of engine, on cam cover) exhaust gas recirculation (egr) valve
• 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, near egr valve)
• F4 pnk
• Fuel injector (top of engine)
• G103 (right rear of engine, below exhaust gas recirculation valve)
• Hot in on or start
• Idle air control (iac) valve (top rear of engine, on throttle body)
• Ignition coil/ module
• Injr 1 fuse 10a
• Injr 2 fuse 10a
• Manifold absolute pressure (map) sensor (top rear of engine, near throttle body)
• Oxy sen fuse 10a
• Pnk
• Power distri- bution system
• Red
• S142 (in front bank ignition coil jumper harness, 13/5 cm from ignition coil/module 7)
• S144
• S146
• Stepper motor
• Throttle position (tp) sensor (on left of throttle body)
• Underhood fuse block (right side of engine compt)

4.6L VIN 9, Engine Performance Wiring Diagram (5 of 5) for Cadillac DeVille 2005

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (5 of 5) for Cadillac DeVille 2005:

• (13.5 cm from ignition coil/
• (15 cm from c139)
• (front of engine, in cam carrier) camshaft position (cmp) sensor
• (left side of oil pan) engine oil level switch
• (lower left side of engine, near oil filter) crankshaft position (ckp) sensor a
• (lower left side of engine, near oil filter) crankshaft position (ckp) sensor b
• (on engine block) knock sensor 2
• (right rear of engine) g103
• (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 (eop) switch (at left side of engine, on oil filter adapter)
• 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 (below thermostat housing)
• 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
• Module 2)
• Nca
• Oil lvl sw sig
• Oil press sw sig
• Pnk
• Pnk a
• Powertrain control module (left side of engine compt, inside air cleaner)
• 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 2005

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Cadillac DeVille 2005:

• (below thermostat housing) g100
• (in body harness, 15 cm from p401)
• 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 (top of engine, on intake manifold)
• Evaporative emissions (evap) canister vent solenoid (under left rear of vehicle)
• Fuel press sens sig
• Fuel tank pressure (ftp) sensor (top of fuel tank)
• 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
• Lock
• Low ref
• Malfunction indicator lamp (mil)
• Mass air flow (maf) sensor (on throttle body)
• Mil ctrl
• Off
• Pcm batt fuse 10a
• Pcm ign fuse 10a
• Pnk
• Powertrain control module (at left side of engine compartment, inside air cleaner)
• Pri fuel lvl sens sig
• Pri fuel pmp rly ctrl
• Rear fuse block (under left rear seat)
• S130
• S213
• S405
• Sens sig
• Start
• Starter rly coil ctrl
• Starting/charging system
• Tan
• Tcc brake sw
• Underhood fuse block (at right side of engine compt)
• Vent sol ctrl
• Vent sol fuse 10a
• Vss

4.6L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Cadillac DeVille 2005

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Cadillac DeVille 2005:

• (below thermostat housing)
• (in fuel tank) fuel pump & sender assembly
• (left front of engine, under thermostat housing, on transmission case)
• (right side of engine 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
• G301
• G402
• 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
• Power distribution system
• Rear fuse block (under left rear seat)
• Red
• S130
• Secondary air injection (air) pump (lower left corner of engine compt)
• Secondary air injection (air) pump relay (near radiator
• Secondary air injection (air) shut- off valve assembly
• Splice pack sp301 (left rear of passenger compartment, 31.5 cm from cross-car channel)
• Splice pack sp402 (left rear corner of rear compt, near left taillamp connector)
• Stop lamp switch (near top of brake pedal)
• Surge tank)
• Tan
• Tcc brake switch signal
• Trans fuse 10a

4.6L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Cadillac DeVille 2005

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Cadillac DeVille 2005:

• 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 input shaft speed (iss) sensor
• Automatic transaxle
• Automatic transaxle fluid temper- ature (tft) sensor
• C3 powertrain control module (at left side of engine compt, inside air cleaner)
• Del torque sig
• E pnk
• Fluid press sw a sig
• Front/vss high sig
• 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
• Pc sol high ctrl
• Pc sol vlv low ctrl
• Pnk
• Pressure control solenoid valve
• Red
• Req torque sig
• S113
• 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
• Used) (not n
• Used) (not p
• Vehicle speed sensor (vss) (on transaxle case extension)
• Vss/oss low sig

4.6L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Cadillac DeVille 2005

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Cadillac DeVille 2005:

• (in front bank ignition coil jumper harness, 15 cm from c140)
• (top right rear of engine, on cam cover) exhaust gas recirculation (egr) valve
• 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, near egr valve)
• F4 pnk
• Fuel injector (top of engine)
• G103 (right rear of engine, below exhaust gas recirculation valve)
• Hot in on or start
• Idle air control (iac) valve (top rear of engine, on throttle body)
• Ignition coil/ module
• Injr 1 fuse 10a
• Injr 2 fuse 10a
• Manifold absolute pressure (map) sensor (top rear of engine, near throttle body)
• Oxy sen fuse 10a
• Pnk
• Power distri- bution system
• Red
• S142 (in front bank ignition coil jumper harness, 13/5 cm from ignition coil/module 7)
• S144
• S146
• Stepper motor
• Throttle position (tp) sensor (on left of throttle body)
• Underhood fuse block (right side of engine compt)

4.6L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Cadillac DeVille 2005

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Cadillac DeVille 2005:

• (13.5 cm from ignition coil/
• (15 cm from c139)
• (front of engine, in cam carrier) camshaft position (cmp) sensor
• (left side of oil pan) engine oil level switch
• (lower left side of engine, near oil filter) crankshaft position (ckp) sensor a
• (lower left side of engine, near oil filter) crankshaft position (ckp) sensor b
• (on engine block) knock sensor 2
• (right rear of engine) g103
• (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 (eop) switch (at left side of engine, on oil filter adapter)
• 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 (below thermostat housing)
• 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
• Module 2)
• Nca
• Oil lvl sw sig
• Oil press sw sig
• Pnk
• Pnk a
• Powertrain control module (left side of engine compt, inside air cleaner)
• Red
• Red b
• S130
• S131
• S133
• S135
• Starting/ charging system
• Tp sens sig