ENGINE PERFORMANCE – Cadillac DeVille DTS 2003 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.6L VIN 9

4.6L VIN 9, Engine Performance Wiring Diagram (1 of 5) for Cadillac DeVille DTS 2003

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (1 of 5) for Cadillac DeVille DTS 2003:

• (left front corner of engine, below thermostat housing, on transmission) g100
• A/t input spd sens high
• A/t input spd sens low
• A6 pnk
• A8 pnk
• Acc on
• Air pump relay
• Air sol vlv cntrl
• Anti lock brakes system
• B5 pnk
• B6 pnk
• B9 pnk
• Battery
• C9 pnk
• Chasis pitch sig
• Ckp sens a sig
• Ckp sens b sig
• Class 2 data link
• Cmp sens 12v ref
• Cmp sens sig
• Computer data lines system
• Cooling fans system
• Cruise control system
• Cruise inhibit out
• Cyl 1 cntrl
• Cyl 7 cntrl
• D4 pnk
• D9 pnk
• Delivered torque output
• E4 pnk
• Electronic suspension system
• Evap vent valve cntrl
• Extended trvl brake sw
• F4 pnk
• F9 pnk
• Fan low spd cntrl
• Fuel inj 1 cntrl
• Fuel inj 2 cntrl
• Fuel inj 3 cntrl
• Fuel inj 4 cntrl
• Fuel inj 5 cntrl
• Fuel inj 6 cntrl
• Fuel inj 7 cntrl
• Fuel inj 8 cntrl
• Fuel injectors
• Fuel pump rel cntrl
• Fuel tank press sig
• Ho2s high (1,1)
• Ho2s high (1,2)
• Ho2s high (2,1)
• Ho2s htr high (1,1)
• Ho2s htr low (1,1)
• Ho2s low (1,1)
• Ho2s low (1,2)
• Ho2s low (2,1)
• Hos2 htr low (2,1)
• Hot at all times
• Hot in on & start
• Iac coil a high
• Iac coil a low
• Iac coil b high
• Iac coil b low
• Iat sens sig
• Ignition
• Ignition switch
• Ims a input
• Ims b input
• Ims c input
• Ims p input
• Injr 1 fuse 10a
• Injr 2 fuse 10a
• Maf sens sig
• Map sens sig
• Mil cntrl
• Off
• Oxy sen fuse 10a
• Pcm batt fuse 10a
• Pcm ground
• Pcm ign fuse 10a
• Pnk
• Pnk a
• Powertrain control module (left side of engine compt, inside air cleaner)
• Press cntrl sol high
• Press cntrl sol low
• Red
• Requested torque input
• S130
• S213
• Start
• Tan
• Tp sens sig
• Underhood fuse block (right side of engine compt)
• Vss high
• Vss low
• Vss output

4.6L VIN 9, Engine Performance Wiring Diagram (2 of 5) for Cadillac DeVille DTS 2003

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (2 of 5) for Cadillac DeVille DTS 2003:

• B3 pnk
• B4 pnk
• Corner of engine, below
• Evaporative emissions canister purge valve (top of engine, on intake manifold)
• Evaporative emissions canister vent valve (under left rear of vehicle)
• Exhaust gas recirc- ulation (egr) valve (top right rear of engine)
• F3 pnk
• Fuel tank pressure sensor (on top of fuel tank)
• G100 (left front
• Ground
• Heated oxygen sensor (ho2s) (bank 1, sensor 1) (on right exhaust manifold)
• Heated oxygen sensor (ho2s) (bank 1, sensor 2) (rear of catalytic converter)
• Heated oxygen sensor (ho2s) (bank 2, sensor 1) (on left exhaust manifold)
• Hot in on & start
• Iat sens
• Idle air control (iac) valve (on throttle body)
• Ign
• Ign 1 fuse 10a
• Maf sens
• Manifold absolute pressure sensor (near throttle body)
• Mass airflow (maf) sensor (including intake air temperature) (on throttle body)
• Nca
• Pnk
• Pnk d
• Rear fuse block (under left rear seat)
• Red
• S130
• S131
• Tan
• Tan a
• Thermostat housing, on transmission)
• Throttle position sensor (on left side of throttle body)
• Under- hood fuse block
• Vent sol fuse 10a

4.6L VIN 9, Engine Performance Wiring Diagram (3 of 5) for Cadillac DeVille DTS 2003

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (3 of 5) for Cadillac DeVille DTS 2003:

• (body harn, under left side of dash)
• (left rear of passenger compt, 31.5 cm from cross-car channel) sp301
• (top left side of engine, under intake manifold top cover)
• (under left front corner of rear seat)
• Automatic transaxle
• Automatic transaxle internal mode switch
• Camshaft position (cmp) sensor (front of engine, in cam carrier)
• Crankshaft position (ckp) sensor a (on lower left side of engine, near oil filter)
• Crankshaft position (ckp) sensor b (on lower left side of engine, near oil filter)
• Cruise control system
• Engine oil pressure switch (at left side of engine, on oil filter adapter)
• F/pmp fuse 20a
• Fuel pump (top of fuel tank)
• Fuel pump relay
• G103 (right rear of engine, below the egr valve)
• G301
• G402
• Hot at all times
• Hot in on & start
• Ign
• Ignition coil (bank 1) (top right
• Ignition coil (bank 2)
• Ignition control module (bank 1) (under intake manifold top cover)
• Ignition control module (bank 2) (under intake manifold top cover)
• Instrument panel cluster
• Mdl coil fuse 20a
• Navigation system
• Nca
• Pnk
• Rear fuse block
• Red
• S210
• Service engine soon ind
• Side of engine, under intake manifold top cover)
• Sp402 (left rear corner of luggage compt, near left taillamp connector)
• Spark plugs
• Tach input
• Under- hood fuse block
• Vehicle speed sensor (vss) (on transaxle case extension)
• Vss input

4.6L VIN 9, Engine Performance Wiring Diagram (4 of 5) for Cadillac DeVille DTS 2003

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (4 of 5) for Cadillac DeVille DTS 2003:

• (in body harn, 15 cm from p401)
• 1-2 shift sol
• 2-3 shift sol
• Air pump a fuse 50a
• Automatic trans- axle fluid temper- ature sensor
• Automatic transaxle
• Automatic transaxle input speed sensor
• Automatic transmission
• Cruise control system
• Extended travel brake switch
• Fluid pressure manual valve position switch
• Fuel sender (fuel tank)
• G102 (left front corner of engine, below thermostat housing, on transmission)
• Hot at all times
• Hot in on & start
• Ign 1 fuse 10a
• Pnk
• Pressure control solenoid valve
• Rear fuse block (under left rear seat)
• Red
• Run/ crank fuse 10a
• S113
• S405
• Secondary air injection (air) pump motor (federal emissions system) (lower right front corner of engine compt)
• Secondary air injection (air) pump relay (federal emissions system) (near radiator surge tank)
• Secondary air injection (air) solenoid (federal emissions system) (above right exhaust manifold)
• Stoplamp switch (abs/tcc switch) (near top of brake pedal)
• Tan
• Tcc/ cruise switch
• Torque converter clutch pulse width modulation solenoid
• Trans fuse 10a
• Underhood fuse block (right side of engine compt)

4.6L VIN 9, Engine Performance Wiring Diagram (5 of 5) for Cadillac DeVille DTS 2003

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (5 of 5) for Cadillac DeVille DTS 2003:

• (left front corner of engine, below thermostat housing, on transmission) g100
• 1-2 shift sol vlv cntrl
• 2-3 shift sol vlv cntrl
• A/ press low ref
• A/c press sens 5v ref
• A/c press sensor sig
• A/c refrigerant pressure sensor (on a/c pressure hose, near compressor)
• A/c rly cntrl
• A/c system
• Ckp sens a 12v ref
• Ckp sens a low ref
• Ckp sens b 12v ref
• Ckp sens b low ref
• Cmp sens low ref
• Cooling fans system
• Cruise control system
• Cruise engaged input
• Cyl 2 cntrl
• Cyl 3 cntrl
• Cyl 4 cntrl
• Cyl 5 cntrl
• Cyl 6 cntrl
• Cyl 8 cntrl
• Ect sens low ref
• Ect sens sig
• Egr 5v ref
• Egr position sig
• Egr sens low ref
• Egr valve low ref
• Engine coolant temperature (ect) sensor (right rear of engine, near egr valve)
• Engine oil level switch (left side of oil pan)
• Evap purge sol cntrl
• Fan high spd cntrl
• Ftp sens 5v ref
• Fuel lvl signal
• Fuel tank press low ref
• Gen field duty sig
• Generator turn on sig
• Ho2s htr low (1,2)
• Iat low ref
• Icm 1 low ref
• Icm 2 low ref
• Knock sens low ref
• Knock sens sig
• Knock sensor (ks) (on top of engine, under intake manifold top cover)
• Map sens 5v ref
• Map sens low ref
• Nca
• Oil level sw input
• Oil press sw input
• Pcm ground
• Pnk
• Powertrain control module (left side of engine compt, inside air cleaner)
• Red
• S130
• S131
• Starter rly cntrl
• Starting/ charging system
• Tach output
• Tcc brake switch input
• Tcc pwm sol cntrl
• Tft sens low ref
• Tft sensor sig
• Tp sens 5v ref
• Tp sens low ref
• Trans range a input
• Trans range c input

4.6L VIN Y

4.6L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Cadillac DeVille DTS 2003

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Cadillac DeVille DTS 2003:

• (left front corner of engine, below thermostat housing, on transmission) g100
• A/t input spd sens high
• A/t input spd sens low
• A6 pnk
• A8 pnk
• Acc on
• Air pump relay
• Air sol vlv cntrl
• Anti lock brakes system
• B5 pnk
• B6 pnk
• B9 pnk
• Battery
• C9 pnk
• Chasis pitch sig
• Ckp sens a sig
• Ckp sens b sig
• Class 2 data link
• Cmp sens 12v ref
• Cmp sens sig
• Computer data lines system
• Cooling fans system
• Cruise control system
• Cruise inhibit out
• Cyl 1 cntrl
• Cyl 7 cntrl
• D4 pnk
• D9 pnk
• Delivered torque output
• E4 pnk
• Electronic suspension system
• Evap vent valve cntrl
• Extended trvl brake sw
• F4 pnk
• F9 pnk
• Fan low spd cntrl
• Fuel inj 1 cntrl
• Fuel inj 2 cntrl
• Fuel inj 3 cntrl
• Fuel inj 4 cntrl
• Fuel inj 5 cntrl
• Fuel inj 6 cntrl
• Fuel inj 7 cntrl
• Fuel inj 8 cntrl
• Fuel injectors
• Fuel pump rel cntrl
• Fuel tank press sig
• Ho2s high (1,1)
• Ho2s high (1,2)
• Ho2s high (2,1)
• Ho2s htr high (1,1)
• Ho2s htr low (1,1)
• Ho2s low (1,1)
• Ho2s low (1,2)
• Ho2s low (2,1)
• Hos2 htr low (2,1)
• Hot at all times
• Hot in on & start
• Iac coil a high
• Iac coil a low
• Iac coil b high
• Iac coil b low
• Iat sens sig
• Ignition
• Ignition switch
• Ims a input
• Ims b input
• Ims c input
• Ims p input
• Injr 1 fuse 10a
• Injr 2 fuse 10a
• Maf sens sig
• Map sens sig
• Mil cntrl
• Off
• Oxy sen fuse 10a
• Pcm batt fuse 10a
• Pcm ground
• Pcm ign fuse 10a
• Pnk
• Pnk a
• Powertrain control module (left side of engine compt, inside air cleaner)
• Press cntrl sol high
• Press cntrl sol low
• Red
• Requested torque input
• S130
• S213
• Start
• Tan
• Tp sens sig
• Underhood fuse block (right side of engine compt)
• Vss high
• Vss low
• Vss output

4.6L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Cadillac DeVille DTS 2003

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Cadillac DeVille DTS 2003:

• B3 pnk
• B4 pnk
• Corner of engine, below
• Evaporative emissions canister purge valve (top of engine, on intake manifold)
• Evaporative emissions canister vent valve (under left rear of vehicle)
• Exhaust gas recirc- ulation (egr) valve (top right rear of engine)
• F3 pnk
• Fuel tank pressure sensor (on top of fuel tank)
• G100 (left front
• Ground
• Heated oxygen sensor (ho2s) (bank 1, sensor 1) (on right exhaust manifold)
• Heated oxygen sensor (ho2s) (bank 1, sensor 2) (rear of catalytic converter)
• Heated oxygen sensor (ho2s) (bank 2, sensor 1) (on left exhaust manifold)
• Hot in on & start
• Iat sens
• Idle air control (iac) valve (on throttle body)
• Ign
• Ign 1 fuse 10a
• Maf sens
• Manifold absolute pressure sensor (near throttle body)
• Mass airflow (maf) sensor (including intake air temperature) (on throttle body)
• Nca
• Pnk
• Pnk d
• Rear fuse block (under left rear seat)
• Red
• S130
• S131
• Tan
• Tan a
• Thermostat housing, on transmission)
• Throttle position sensor (on left side of throttle body)
• Under- hood fuse block
• Vent sol fuse 10a

4.6L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Cadillac DeVille DTS 2003

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Cadillac DeVille DTS 2003:

• (body harn, under left side of dash)
• (left rear of passenger compt, 31.5 cm from cross-car channel) sp301
• (top left side of engine, under intake manifold top cover)
• (under left front corner of rear seat)
• Automatic transaxle
• Automatic transaxle internal mode switch
• Camshaft position (cmp) sensor (front of engine, in cam carrier)
• Crankshaft position (ckp) sensor a (on lower left side of engine, near oil filter)
• Crankshaft position (ckp) sensor b (on lower left side of engine, near oil filter)
• Cruise control system
• Engine oil pressure switch (at left side of engine, on oil filter adapter)
• F/pmp fuse 20a
• Fuel pump (top of fuel tank)
• Fuel pump relay
• G103 (right rear of engine, below the egr valve)
• G301
• G402
• Hot at all times
• Hot in on & start
• Ign
• Ignition coil (bank 1) (top right
• Ignition coil (bank 2)
• Ignition control module (bank 1) (under intake manifold top cover)
• Ignition control module (bank 2) (under intake manifold top cover)
• Instrument panel cluster
• Mdl coil fuse 20a
• Navigation system
• Nca
• Pnk
• Rear fuse block
• Red
• S210
• Service engine soon ind
• Side of engine, under intake manifold top cover)
• Sp402 (left rear corner of luggage compt, near left taillamp connector)
• Spark plugs
• Tach input
• Under- hood fuse block
• Vehicle speed sensor (vss) (on transaxle case extension)
• Vss input

4.6L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Cadillac DeVille DTS 2003

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Cadillac DeVille DTS 2003:

• (in body harn, 15 cm from p401)
• 1-2 shift sol
• 2-3 shift sol
• Air pump a fuse 50a
• Automatic trans- axle fluid temper- ature sensor
• Automatic transaxle
• Automatic transaxle input speed sensor
• Automatic transmission
• Cruise control system
• Extended travel brake switch
• Fluid pressure manual valve position switch
• Fuel sender (fuel tank)
• G102 (left front corner of engine, below thermostat housing, on transmission)
• Hot at all times
• Hot in on & start
• Ign 1 fuse 10a
• Pnk
• Pressure control solenoid valve
• Rear fuse block (under left rear seat)
• Red
• Run/ crank fuse 10a
• S113
• S405
• Secondary air injection (air) pump motor (federal emissions system) (lower right front corner of engine compt)
• Secondary air injection (air) pump relay (federal emissions system) (near radiator surge tank)
• Secondary air injection (air) solenoid (federal emissions system) (above right exhaust manifold)
• Stoplamp switch (abs/tcc switch) (near top of brake pedal)
• Tan
• Tcc/ cruise switch
• Torque converter clutch pulse width modulation solenoid
• Trans fuse 10a
• Underhood fuse block (right side of engine compt)

4.6L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Cadillac DeVille DTS 2003

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Cadillac DeVille DTS 2003:

• (left front corner of engine, below thermostat housing, on transmission) g100
• 1-2 shift sol vlv cntrl
• 2-3 shift sol vlv cntrl
• A/ press low ref
• A/c press sens 5v ref
• A/c press sensor sig
• A/c refrigerant pressure sensor (on a/c pressure hose, near compressor)
• A/c rly cntrl
• A/c system
• Ckp sens a 12v ref
• Ckp sens a low ref
• Ckp sens b 12v ref
• Ckp sens b low ref
• Cmp sens low ref
• Cooling fans system
• Cruise control system
• Cruise engaged input
• Cyl 2 cntrl
• Cyl 3 cntrl
• Cyl 4 cntrl
• Cyl 5 cntrl
• Cyl 6 cntrl
• Cyl 8 cntrl
• Ect sens low ref
• Ect sens sig
• Egr 5v ref
• Egr position sig
• Egr sens low ref
• Egr valve low ref
• Engine coolant temperature (ect) sensor (right rear of engine, near egr valve)
• Engine oil level switch (left side of oil pan)
• Evap purge sol cntrl
• Fan high spd cntrl
• Ftp sens 5v ref
• Fuel lvl signal
• Fuel tank press low ref
• Gen field duty sig
• Generator turn on sig
• Ho2s htr low (1,2)
• Iat low ref
• Icm 1 low ref
• Icm 2 low ref
• Knock sens low ref
• Knock sens sig
• Knock sensor (ks) (on top of engine, under intake manifold top cover)
• Map sens 5v ref
• Map sens low ref
• Nca
• Oil level sw input
• Oil press sw input
• Pcm ground
• Pnk
• Powertrain control module (left side of engine compt, inside air cleaner)
• Red
• S130
• S131
• Starter rly cntrl
• Starting/ charging system
• Tach output
• Tcc brake switch input
• Tcc pwm sol cntrl
• Tft sens low ref
• Tft sensor sig
• Tp sens 5v ref
• Tp sens low ref
• Trans range a input
• Trans range c input