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ENGINE PERFORMANCE – Cadillac STS 2006 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.6L VIN 7

3.6L VIN 7, Engine Performance Wiring Diagram (1 of 4) for Cadillac STS 2006

3.6L VIN 7, Engine Performance Wiring Diagram (1 of 4) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
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List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (1 of 4) for Cadillac STS 2006:

  • (in bottom of engine oil pan) engine oil level/temperature sensor
  • (in engine harness, 52 cm from ho2s bank 1 sensor 2 connector)
  • (in engine poa harness, 17 cm from ecm c1)
  • (on left side of engine) engine oil pressure (eop) sensor
  • (on rear of intake manifold) intake manifold runner control (imrc) solenoid
  • 5 volt ref a
  • 5 volt ref b
  • 5 volt ref c
  • Bare
  • Ckp sensor sig
  • Cmp exhaust 1
  • Cmp exhaust 2
  • Cmp intake 1
  • Cmp intake 2
  • Crankshaft position (ckp) sensor (on left side of engine)
  • Ect sig
  • Engine control module (ecm) (front of engine, on right valve cover)
  • Evap purge
  • Fuel injectors
  • G103 (top right side of engine, fastened to ecm case)
  • G113 (front center of right front cylinder head)
  • Gen fdc sig
  • Gen turn on sig
  • Ground
  • Heated oxygen sensor bank 1 sensor 1 (on right exhaust pipe)
  • Heated oxygen sensor bank 1 sensor 2 (on right exhaust pipe)
  • Heated oxygen sensor bank 2 sensor 1 (on left exhaust pipe)
  • Heated oxygen sensor bank 2 sensor 2 (on left exhaust pipe)
  • Ho2s heat ctrl
  • Ho2s input pump
  • Ho2s low ref
  • Ho2s pump cur
  • Ho2s ref volt
  • Ic 1 ctrl
  • Ic 2 ctrl
  • Ic 3 ctrl
  • Ic 4 ctrl
  • Ic 5 ctrl
  • Ic 6 ctrl
  • Inj 1 ctrl
  • Inj 2 ctrl
  • Inj 3 ctrl
  • Inj 4 ctrl
  • Inj 5 ctrl
  • Inj 6 ctrl
  • Intake man ctrl
  • Knock sensor (bank 1) (on right side of engine)
  • Knock sensor (bank 2) (on left side of engine)
  • Ks 1 sig
  • Ks 2 sig
  • Ks low ref
  • Low ref
  • Manifold pos sig
  • Nca
  • Oil lev sig
  • Oil pres sig
  • Oil tmp sig
  • Pres sens sig
  • Red
  • S104
  • S121
  • S136
  • S137
  • S148
  • Starting/ charging system
  • Tac mtr ctrl
  • Tan
  • Tan a
  • Tps 2 sig
  • Tps sig 1

3.6L VIN 7, Engine Performance Wiring Diagram (2 of 4) for Cadillac STS 2006

3.6L VIN 7, Engine Performance Wiring Diagram (2 of 4) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (2 of 4) for Cadillac STS 2006:

  • (in engine harness, 27 cm from evap canister purge solenoid valve connector)
  • (in engine poa harness, 18 cm from ignition coil 1 connector)
  • (in engine poa harness, 25 cm from ignition coil 2 connector)
  • (right rear side of engine block, near starter)
  • Canister vent fuse 10a
  • Ecm/tcm fuse 10a
  • Even coils fuse 15a
  • Fuel pump fuse 15a
  • Fuel pump relay
  • G104 (near bumper bracket)
  • G109 (near right front of engine block)
  • G112
  • G401 (in rear compt, to rear of right rear shock tower)
  • Hfv6 ecm fuse 15a
  • Hot at all times
  • Hot in run or start
  • Ignition coil 1 (on top front of left valve cover)
  • Ignition coil 2 (on top front of right valve cover)
  • Ignition coil 3 (on top center of left valve cover)
  • Ignition coil 4 (on top center of right valve cover)
  • Ignition coil 5 (on top rear of left valve cover)
  • Ignition coil 6 (on top rear of right valve cover)
  • Maf fuse 10a
  • Nca
  • Odd coils fuse 15a
  • Pnk
  • Post o2 fuse 10a
  • Power distribution system
  • Powertrain relay
  • Pre o2/ cam fuse 15a
  • R11
  • R12
  • R13
  • R15
  • R43
  • R44
  • R45
  • R46
  • R47
  • R48
  • R49
  • R50
  • Right rear fuse block (under right side of rear seat)
  • Run/crank relay
  • S101
  • S119
  • S125
  • S126
  • S127
  • S128
  • S129
  • Spark plug
  • Splice pack
  • Tan
  • Tcm/ ipc fuse 15a
  • Underhood fuse block (right front side of engine compt)

3.6L VIN 7, Engine Performance Wiring Diagram (3 of 4) for Cadillac STS 2006

3.6L VIN 7, Engine Performance Wiring Diagram (3 of 4) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
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List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (3 of 4) for Cadillac STS 2006:

  • (32 cm from throttle body assembly connector) s124
  • (in engine poa harness, 21 cm from throttle body assembly connector) s120
  • (on front of left cylinder head, lower center position) camshaft position (cmp) actuator solenoid (exhaust bank 2)
  • (on front of left cylinder head, on left side) camshaft position sensor (exhaust bank 2)
  • (on front of left cylinder head, on right side) camshaft position sensor (intake bank 2)
  • (on front of left cylinder head, upper center position) camshaft position (cmp) actuator solenoid (intake bank 2)
  • (on front of right cylinder head, lower center position) camshaft position (cmp) actuator solenoid (exhaust bank 1)
  • (on front of right cylinder head, on left side camshaft position sensor (intake bank 1)
  • (on front of right cylinder head, on right side) camshaft position sensor (exhaust bank 1)
  • (on front of right cylinder head, upper center position) camshaft position (cmp) actuator solenoid (intake bank 1)
  • +5v
  • A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
  • Barometric pressure sensor (in left rear side of upper intake manifold)
  • Engine coolant temperature (ect) sensor (in center of left cylinder head)
  • Evaporative emissions (evap) canister purge solenoid valve (on right side of engine, near valve cover)
  • Low ref
  • Mass air flow (maf) & intake air temperature (iat) sensor (in air intake duct, near throttle body)
  • Pnk
  • Signal
  • Tan
  • Throttle body assembly

3.6L VIN 7, Engine Performance Wiring Diagram (4 of 4) for Cadillac STS 2006

3.6L VIN 7, Engine Performance Wiring Diagram (4 of 4) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file

List of elements for 3.6L VIN 7, Engine Performance Wiring Diagram (4 of 4) for Cadillac STS 2006:

  • (attached to evap canister vent solenoid, at rear of fuel tank) fuel tank pressure sensor
  • (front center of right front cylinder head)
  • (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector)
  • (in engine harness, 36 cm from brake pressure sensor connector)
  • (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector)
  • (in fuel tank) fuel pump & sensor assembly
  • (in left side of rear compt, under rear shelf) rear object sensor control module
  • (in top left side of fuel tank) secondary fuel sender assembly
  • +5v ref a
  • +5v ref c
  • 5 volt ref a
  • A/c ref pres
  • Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
  • Air conditioning system
  • App sens 2 sig
  • App sens sig 1
  • Automatic transmission
  • Battery +
  • Clutch rly ctrl
  • Cooling fans system
  • Data wake-up
  • Engine control module (ecm) (front of engine, on right valve cover)
  • Evap vent sol
  • Evaporative emissions (evap) canister vent solenoid valve (under rear of vehicle, above rear differential)
  • Exterior lights system
  • Fan rly ctrl
  • Fuel lev sens
  • Fuel lev sig
  • Fuel level sensor
  • G113
  • G401 (in rear compt, to rear of right rear shock tower)
  • Gmlan bus
  • Ho2s heat ctrl
  • Ho2s low ref
  • Ho2s sig
  • Iat sig
  • Ign 1 volt
  • Inside rearview mirror
  • Instrument panel cluster (ipc)
  • Instrument panel module (ipm) (right side of dash, behind glove box)
  • Lan bus +
  • Lan bus -
  • Logic
  • Low ref
  • Maf sig
  • Main rly ctrl
  • Malfunction indicator lamp
  • Mil ctrl
  • P/n sig
  • Pnk
  • Radio
  • Rly ctrl
  • S106
  • S107
  • S108
  • S109
  • S113
  • S406
  • Ser data bus
  • Start rly ctrl
  • Starting/ charging system
  • Stop lp sw sig
  • Tan
  • Tank pres sig
  • Transmission control module
  • Transmission manual shift shaft switch assembly
  • Vss sig
  • Wake-up

4.4L VIN D

4.4L VIN D, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS 2006

4.4L VIN D, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file

List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS 2006:

  • (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector)
  • (in fuel tank) fuel pump & sender assembly
  • (in rear side of right cylinder head)
  • (in top left side of fuel tank) secondary fuel sender assembly
  • 5 volt ref
  • 5 volt ref a
  • 5 volt ref b
  • A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
  • A/c refrigerant sig
  • Baro sens low ref
  • Baro sensor sig
  • Barometric pressure (baro) sensor (in left rear side of upper intake manifold)
  • Canister vent fuse 10a
  • Coolant pump rly ctrl
  • Cooling fans system
  • D tan
  • Ect sensor sig
  • Eng oil level sw sig
  • Engine control module (ecm) (on left front frame rail below headlamp assembly)
  • Engine coolant temperature (ect) sensor
  • Evap canister ctrl
  • Fuel level sensor
  • Fuel pump
  • Fuel pump fuse 15a
  • Fuel pump relay
  • G100 (on rear side of right cylinder head)
  • G401 (in rear compt, to rear of right rear shock tower)
  • Gen field duty cycle
  • Generator turn on sig
  • Ground
  • Hi spd gmlan bus +
  • Hi spd gmlan bus -
  • Ho2s high sig
  • Ho2s htr low ctrl
  • Ho2s low ref
  • Ho2s low sig
  • Ho2s ref volt
  • Hot at all times
  • Iat 2 low ref
  • Iat 2 sig
  • Intake air temperature (iat) sensor 2 (right front center of engine top, under intake air tube)
  • Low ref
  • Low spd cooling fan
  • Manifold absolute pressure (map) sensor (at top right side of engine, near baro sensor)
  • Map sensor sig
  • Park/neutral sig
  • Pnk
  • R11
  • R12
  • R13
  • R15
  • Right rear fuse block (under right side of rear seat)
  • S406
  • Splice pack
  • Starting/ charging system
  • Starting/charging system
  • Super charger ctrl
  • Tan
  • Transmissions system

4.4L VIN D, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS 2006

4.4L VIN D, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS 2006:

  • (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) s113
  • (on left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
  • (on right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
  • Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
  • Cac coolant pump fuse 10a
  • Cac coolant pump relay
  • Charge air cooler (cac) coolant pump
  • Evaporative emissions (evap) canister purge solenoid valve
  • Evaporative emissions (evap) canister vent solenoid (under rear of vehicle, above rear differential)
  • From b underhood fuse block (diagram 4 of 5)
  • G100 (on rear side of right cylinder head)
  • Heated oxygen sensor (ho2s) bank 1 sensor 2 (on right exhaust pipe, after catalytic converter)
  • Heated oxygen sensor (ho2s) bank 2 sensor 2 (on left exhaust pipe, after catalytic converter)
  • Hot at all times
  • Instrument panel module (ipm) (right side of dash, behind glove box)
  • Left rear fuse block (under left side of rear seat)
  • Nca
  • Pnk
  • Post o2 fuse 15a
  • Pre o2/ cam fuse 15a
  • S101
  • S104
  • Tan
  • Transmission control module (tcm) (right front corner of eng compt, on underhood fuse block)
  • Underhood fuse block (right front side of engine compt)

4.4L VIN D, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS 2006

4.4L VIN D, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS 2006:

  • (attached to evap canister vent solenoid, at rear of fuel tank) fuel tank pressure (ftp) sensor
  • (in left front center of engine at injector 2) vacuum bypass valve
  • (in left side of rear compt, under rear shelf) rear object sensor control module
  • (on left front frame rail below left headlamp assembly)
  • 5 volt ref a
  • 5 volt ref b
  • A tan
  • A/c compress rly ctrl
  • Air conditioning system
  • App sensor 1 sig
  • App sensor 2 sig
  • Battery positive volt
  • Cooling fans system
  • Ecm/ tcm fuse 10a
  • Engine control module (ecm)
  • Evap canister vent ctrl
  • Exterior lights system
  • Fuel pump relay ctrl
  • Fuel tank press sig
  • G104 (on right front frame rail, near bumper bracket)
  • Hi spd cooling fan
  • Hot at all times
  • Hot in run or start
  • Ign
  • Ign 1 volt
  • Inside rearview mirror (isrvm)
  • Instrument panel cluster (ipc)
  • Logic
  • Low ref
  • Malfunction indicator lamp
  • Mil ctrl
  • Pnk
  • Powertrain relay
  • Powertrain rly ctrl
  • Pressure sensor sig
  • Primary fuel level sig
  • R43
  • R44
  • R45
  • R46
  • R47
  • R48
  • R49
  • R50
  • Radio
  • Run/ crank relay
  • Second fuel level sig
  • Starter rly coil ctrl
  • Starting/ charging system
  • Stop lamp sw sig
  • Tan
  • Tcm/ipc/ ecm fuse 15a
  • To even coils fuse (diagram 4 of 5)
  • Transmissions system
  • Underhood fuse block (right front side of engine compt)
  • V8 ecm fuse 10a
  • Vehicle speed sig

4.4L VIN D, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS 2006

4.4L VIN D, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
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List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS 2006:

  • ( in ignition coil harness, 30 cm from ignition coil module 1 connector)
  • (center of block under intake manifold)
  • (in engine harness, 14 cm from fuel injector 7 connector) s102
  • (in engine harness, 16 cm from fuel injector 8 connector) s103
  • (in ignition coil harness, 30 cm from ignition coil module 7 connector)
  • (in ignition coil harness, 31 cm from ignition coil module 8 connector)
  • (in ignition coil harness, 36 cm from ignition coil module 2 connector)
  • (on rear side of right cylinder head) g107
  • (under intake manifold on right side of engine block) knock sensor (ks) bank 1
  • 5v ref
  • B tan
  • Ckp sig
  • Crankshaft position (ckp) sensor
  • D d
  • Even coils fuse 15a
  • From a powertrain relay (diagram 3 of 5)
  • Fuel injectors
  • Hfv6 ecm fuse 15a
  • Ignition coil/ module
  • Low ref
  • Nca
  • Odd coils fuse 15a
  • Pnk
  • Pnk a
  • Red
  • Red b
  • S131
  • S133
  • S135
  • S142
  • S144
  • S146
  • Spark plug
  • Super charger inlet air pressure (sciap) sensor
  • Tan
  • To post o2 fuse (diagram 2 of 5)
  • Underhood fuse block (right front side of engine compt)

4.4L VIN D, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS 2006

4.4L VIN D, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
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Get access to all wiring diagrams of the carDownload PDF file

List of elements for 4.4L VIN D, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS 2006:

  • (on front left of left cylinder head)
  • (on front left of right cylinder head)
  • (on front right of right cylinder head)
  • (on front right of left cylinder head)
  • (on front upper center of left cylinder head)
  • (on left front frame rail below left headlamp assembly)
  • (under intake manifold on left side of engine block)
  • 5 volt ref
  • 5 volt ref a
  • 5v ref c
  • Camshaft position actuator solenoid exhaust bank 1 (on front lower center of right cylinder head)
  • Camshaft position actuator solenoid exhaust bank 2 (on front lower center of left cylinder head)
  • Camshaft position actuator solenoid intake bank 1 (on front upper center of right cylinder head)
  • Camshaft position actuator solenoid intake bank 2
  • Camshaft position sensor exhaust bank 1
  • Camshaft position sensor exhaust bank 2
  • Camshaft position sensor intake bank 1
  • Camshaft position sensor intake bank 2
  • Ckp sensor 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 intk
  • Cmp sens exhst b1 sig
  • Cmp sens exhst b2 sig
  • Eng oil temp sens sig
  • Engine control module (ecm)
  • Engine oil level & temperature sensor (bottom center of engine oil pan)
  • Engine oil pressure (eop) sensor (in engine compt, on left side of eng)
  • 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 (on rear side of right cylinder head)
  • Ground
  • Ho2s high sig
  • Ho2s htr low ctrl
  • Ho2s low ref
  • Ho2s low sig
  • Ho2s ref volt
  • Iat sens sig
  • Iat sensor sig
  • Ic 1 ctrl
  • Ic 2 ctrl
  • Ic 3 ctrl
  • Ic 4 ctrl
  • Ic 5 ctrl
  • Ic 6 ctrl
  • Ic 7 ctrl
  • Ic 8 ctrl
  • Ign 1 volt
  • Knock sensor (ks) bank 2
  • Ks 1 sig
  • Ks 2 sig
  • Ks low ref
  • Low ref
  • Low ref
  • Low ref b
  • Maf sensor sig
  • Mass air flow (maf)/intake air temperature (iat) sensor
  • Oil press sens sig
  • Oil temp sens low ref
  • Pnk
  • Red
  • S151
  • Sen sig a
  • Sens sig
  • Sensor return
  • Tac mtr ctrl 1
  • Tac mtr ctrl 2
  • Tan
  • Throttle body assembly
  • Tp sensor 1 sig
  • Tp sensor 2 sig

4.6L VIN A

4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS 2006

4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (1 of 5) for Cadillac STS 2006:

  • (in engine harness, 19 cm from ho2s bank 1 sensor 1 connector) s113
  • (in engine harness, 39 cm from brake pressure sensor connector)
  • (in left side of rear compt, under rear shelf) rear object sensor control module
  • 12 volt ref
  • 12v ref
  • 5 volt ref a
  • 5 volt ref b
  • A/c comp cltch rly
  • A/c press sens sig
  • A/c refrigerant pressure sensor (near left front strut tower, on a/c refrigerant line)
  • Accelerator pedal position (app) sensor (attached to top of accelerator pedal)
  • Air conditioning system
  • Apps 1 sig
  • Apps 2 sig
  • Battery positive volt
  • Computer data lines system
  • Cooling fans system
  • Data wake-up
  • Ecm/ tcm fuse 10a
  • Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
  • Evap vent sol ctrl
  • Evaporative emissions (evap) canister vent solenoid (under rear of vehicle, above rear differential)
  • Exterior lights system
  • Fan rly ctrl
  • Fuel pmp rly ctrl
  • G104 (on right front frame rail, near bumper bracket)
  • Hi spd serial data +
  • Hi spd serial data -
  • Hot at all times
  • Hot in run or start
  • Iat sensor sig
  • Iat sig
  • Ign
  • Ign 1 volt
  • Inside rearview mirror (isrvm)
  • Instrument panel cluster (ipc)
  • Instrument panel module (ipm) (right side of dash, behind glove box)
  • Lo spd cool fan rly
  • Logic
  • Low ref
  • Maf sensor sig
  • Main rly ctrl
  • Malfunction indicator lamp
  • Mass air flow (maf)/intake air temperature (iat) sensor (in air intake duct, near throttle body)
  • Mil ctrl
  • Pnk
  • Power distribution system
  • Powertrain relay
  • R43
  • R44
  • R45
  • R46
  • R47
  • R48
  • R49
  • R50
  • Radio
  • Run/ crank relay
  • S105
  • Sens sig
  • Starter rly coil ctrl
  • Starting/ charging system
  • Stop lamp sw sig
  • Tan
  • Tcm/ ipc fuse 15a
  • To even coils fuse (diagram 4 of 5)
  • Transmission control module (tcm)
  • Underhood fuse block (right front side of engine compt)
  • V8 ecm fuse 10a
  • Vehicle speed sig

4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS 2006

4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (2 of 5) for Cadillac STS 2006:

  • (in engine harness, 34 cm from c102) s104
  • (on left exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 2 sensor 1
  • (on right exhaust pipe, before catalytic converter) heated oxygen sensor (ho2s) bank 1 sensor 1
  • Engine coolant temperature (ect) sensor (in rear side of right cylinder head
  • Engine oil pressure (eop) sensor (on left side of engine)
  • Evaporative emissions (evap) canister purge solenoid valve (on rear of engine, near throttle body)
  • From b underhood fuse block (diagram 4 of 5)
  • Heated oxygen sensor (ho2s) bank 1 sensor 2 (on right exhaust pipe, after catalytic converter)
  • Heated oxygen sensor (ho2s) bank 2 sensor 2 (on left exhaust pipe, after catalytic converter)
  • Manifold absolute pressure (map) sensor (front center of engine, in back of throttle body)
  • Nca
  • Post o2 fuse 15a
  • Pre o2/ cam fuse 15a
  • S101 (in engine harness, 15 cm from fuel injector 5 connector)
  • Tan
  • Underhood fuse block (right front side of engine compt)

4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS 2006

4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (3 of 5) for Cadillac STS 2006:

  • (attached to evap canister vent solenoid, at rear of fuel tank) fuel tank pressure (ftp) sensor
  • (in bottom of oil pan) engine oil level switch
  • (in fuel tank) fuel pump & sender assembly
  • (in top left side of fuel tank) secondary fuel sender assembly
  • 5 volt ref a
  • A tan
  • Canister vent fuse 10a
  • Engine control module (ecm) (on left front frame rail, below left headlamp assembly)
  • Ftp sens sig
  • Fuel lev sen sig
  • Fuel level sensor
  • Fuel pump
  • Fuel pump fuse 15a
  • Fuel pump relay
  • G100 (on rear side of right cylinder head)
  • G401 (in rear compt, to rear of right rear shock tower)
  • Ho2s high sig
  • Ho2s htr low ctrl
  • Ho2s in pmp current
  • Ho2s low ref
  • Ho2s low sig
  • Ho2s out pmp current
  • Ho2s ref volt
  • Hot at all times
  • Low ref
  • Oil lev sw sig
  • Oil pressure sen sig
  • Park/neutral sig
  • R11
  • R12
  • R13
  • R15
  • Right rear fuse block (under right side of rear seat)
  • S406 (in fuel tank jumper harness, 28 cm from fuel tank pressure sensor connector)
  • Splice pack
  • Tan
  • Transmissions system

4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS 2006

4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (4 of 5) for Cadillac STS 2006:

  • (in engine harness, 14 cm from fuel injector 7 connector) s102
  • (in engine harness, 16 cm from fuel injector 8 connector) s103
  • (in ignition coil harness, 30 cm from ignition coil module 1 connector)
  • (in ignition coil harness, 31 cm from ignition coil module 8 connector) s135
  • (in ignition coil harness, 36 cm from ignition coil module 2 connector)
  • (on rear side of right cylinder head) g107
  • D d
  • Even coils fuse 15a
  • From powertrain a relay (diagram 1 of 5)
  • Fuel injectors
  • Ignition coil/ module
  • Nca
  • Odd coils fuse 15a
  • Pnk
  • Pnk a
  • Red
  • Red b
  • S131
  • S133
  • S142
  • S144
  • S146
  • Spark plug
  • Tan
  • To post o2 fuse (diagram 2 of 5)
  • Underhood fuse block (right front side of engine compt)

4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS 2006

4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS 2006 https://portal-diagnostov.com/license.html
https://portal-diagnostov.com/license.html Automotive Electricians Portal FZCO Automotive Electricians Portal FZCO
Get access to all wiring diagrams of the carDownload PDF file

List of elements for 4.6L VIN A, Engine Performance Wiring Diagram (5 of 5) for Cadillac STS 2006:

  • (center of engine block, under intake manifold) crankshaft position (ckp) sensor low ref
  • (on front of left cylinder head, on left side) camshaft position sensor exhaust bank 2 low ref
  • (on front of left cylinder head, on right side) camshaft position sensor intake bank 2
  • (on front of right cylinder head, on left side) camshaft position sensor intake bank 1 low ref
  • (on front of right cylinder head, on right side) camshaft position sensor exhaust bank 1 low ref
  • (on rear side of right cylinder head)
  • 12 volt ref
  • 12v
  • 5 volt ref a
  • 5 volt ref b
  • Camshaft position actuator solenoid exhaust bank 1 (lower center position)
  • Camshaft position actuator solenoid exhaust bank 2 (lower center position)
  • Camshaft position actuator solenoid intake bank 1 (upper center position)
  • Camshaft position actuator solenoid intake bank 2 (upper center position)
  • Ckp sen 1 sig
  • Ckp sensor 12v ref
  • 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 (ecm) (on left front frame rail, below left headlamp assembly)
  • Evap can prg 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
  • G100 (on rear side of right cylinder head)
  • Gen field duty cyc sig
  • Gen turn on sig
  • Ground
  • Ic 1 ctrl
  • Ic 2 ctrl
  • Ic 3 ctrl
  • Ic 4 ctrl
  • Ic 5 ctrl
  • Ic 6 ctrl
  • Ic 7 ctrl
  • Ic 8 ctrl
  • Knock sen 1 sig
  • Knock sen 2 sig
  • Knock sensor (ks) bank 1 (on right side of engine, under intake manifold)
  • Knock sensor (ks) bank 2 (on left side of engine, under intake manifold)
  • Ks1 low ref
  • Ks2 low ref
  • Low ref
  • Map sen sig
  • Nca
  • S112
  • Sen sig
  • Starting/ charging system
  • Starting/charging system
  • Tac mtr ctrl 1
  • Tac mtr ctrl 2
  • Tan
  • Throttle body assembly
  • Tps 1 sig
  • Tps 2 sig