ENGINE PERFORMANCE – Cadillac DTS 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.6L VIN 9

4.6L VIN 9, Engine Performance Wiring Diagram (1 of 5) for Cadillac DTS 2008

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (1 of 5) for Cadillac DTS 2008:

• (behind right side of dash) body control module (bcm)
• (left rear of engine compartment, on strut tower) transmission control module (tcm)
• (not used) c
• (on transmission) g112
• 5v ref 1
• 5v ref 2
• A/c compressor clutch rly ctrl
• Acc wake up serial data
• Accelerator pedal position (app) sensor (top of accelerator assembly)
• Air conditioning system
• Air sol rly ctrl
• App sensor 1 sig
• App sensor 2 sig
• Batt positive volt
• Cooling fan rly ctrl evap canister vent sol ctrl
• Cooling fans system
• Ecm/ pcm fuse 10a
• Ecm/crnk fuse 1 15a
• Engine control module (ecm) (left side of engine compartment)
• Engine oil pressure (eop) switch (left side of engine, on oil filter adapter)
• Exterior lights system
• Ftp sens sig
• Fuel pump rly ctrl
• Fuel tank pressure (ftp) sensor (in top of fuel tank)
• G112 (on transmission)
• Hot at all times
• Hot in run or start
• Ign relay
• Ignition 1 voltage
• Instrument panel cluster (ipc)
• J104 (in engine harness, 13 cm from breakout to x138)
• J105
• Logic
• Low reference
• Malfunction ind
• Mil control
• Mil ctrl
• Oss hi sig
• Oss low sig
• Oxy snsr fuse 6 15a
• Pnk
• Power distribution system
• Primary fuel lvl sens sig
• Pwr/train relay
• Pwr/trn rly ctrl
• Starter rly coil ctrl
• Starting/ charging system
• Stop lamp sw sig
• Tan
• To emis dev fuse 7 (diagram 4 of 5)
• Underhood fuse block (at right side of engine compartment)
• Vehicle speed sensor (vss) (on transaxle case extension)

4.6L VIN 9, Engine Performance Wiring Diagram (2 of 5) for Cadillac DTS 2008

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (2 of 5) for Cadillac DTS 2008:

• (in fuel tank) fuel pump & sender assembly
• (on a/c pressure hose, near compressor) a/c refrigerant pressure sensor
• (under left rear of vehicle) evaporative emission (evap) canister vent solenoid valve
• 5v ref 1
• 5v ref 2
• Air pump relay ctrl
• Cooling fans system
• Ctrl bank 2 sens 1
• Cycle sig generator field duty
• D4 x1
• Ecm/tcm fuse 5 15a
• Engine control module (ecm) (left side of engine compartment)
• Evap cnstr purge
• F/pmp fuse 1 20a
• F10 x3
• Fan rly ctrl lo spd cooling
• Fuel pump relay
• G301 (under left side of rear seat)
• G403 (right rear of trunk)
• Generator turn on sig
• Hot at all times
• J100
• J316 (in body harness, 5 cm from breakout to electronic suspension control module)
• Low reference
• Park/neutral sig
• Pnk
• Rear fuse block (under left rear seat)
• Ref bank 2 sens 1
• Reverse lkout sol ctrl
• Serial data bus -
• Sol can fuse 34 10a
• Sol ctrl
• Starting/ charging system
• Tan
• Transmissions system
• Volt bank 2 sens 1

4.6L VIN 9, Engine Performance Wiring Diagram (3 of 5) for Cadillac DTS 2008

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (3 of 5) for Cadillac DTS 2008:

• (at lower left corner of engine compt) secondary air injection (air) pump
• (at top rear of engine) evaporative emission (evap) canister purge solenoid valve
• (top right front of engine) secondary air injection (air) check valve
• A/c refrig press sens sig
• Air injection position sig
• Air pump fuse 22 50a
• Air pump relay
• Air sol fuse 5 15a
• Air sol relay
• Computer data lines system
• Ect sensor sig
• Engine control module (ecm) (left side of engine compartment)
• Engine coolant temperature (ect) sensor (on right rear of engine)
• G115 (on transmission)
• Heated oxygen sensor (ho2s) bank 2 sensor 1 (on left exhaust manifold)
• Hot at all times
• Hot in run or start
• J106
• Manifold absolute pressure (map) sensor (on top rear of engine, near throttle body)
• Map sensor sig
• Nca
• Oil press sw signal
• Pnk
• Serial data bus +
• Tan
• Underhood fuse block (at right side of engine compartment)

4.6L VIN 9, Engine Performance Wiring Diagram (4 of 5) for Cadillac DTS 2008

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (4 of 5) for Cadillac DTS 2008:

• (at top right rear of engine, on cam cover) exhaust gas recirculation (egr) valve
• (in engine harness, 3 cm from branch to x139) j109
• (in engine harness, 6 cm from branch to engine coolant temperature (ect) sensor) j110
• (in engine harness, 7 cm from branch to x139) j102
• (in even bank ignition coil harness, between x139 & ignition coil/module 8) j131
• (in even bank ignition coil harness, between x139 & ignition coil/module 8) j135
• (in odd bank ignition coil harness, between x140 & ignition coil/ pnk module 7) j142
• Emis dev fuse 7 15a
• From ecm/crnk fuse 1 (diagram 1 of 5)
• Fuel inj even fuse 3 15a
• Fuel inj odd fuse 2 15a
• Fuel injectors (2, 4, 6 & 8: top left side of engine) (1, 3, 5 & 7: top right side of engine)
• G100 (rear of right cylinder bank)
• Ignition coils/modules (1, 3, 5 & 7: top right side of engine) (2, 4, 6 & 8: top left side of engine)
• J133
• J144
• J146
• Nca
• Plug spark
• Pnk
• Pnk a
• Pnk/tan
• Red b
• Spark plug
• Underhood fuse block (at right side of engine compartment)

4.6L VIN 9, Engine Performance Wiring Diagram (5 of 5) for Cadillac DTS 2008

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagram (5 of 5) for Cadillac DTS 2008:

• 5v ref
• 5v ref 1
• 5v ref 2
• 5v ref b
• Camshaft position (cmp) sensor (right front of engine)
• Ckp sensor sig
• Cmp sensor sig
• Crankshaft position (ckp) sensor (top left center of engine)
• Egr sol high ctrl
• Egr sol low ctrl
• Egr vlv position sig
• Engine control module (ecm) (left side of engine compartment)
• Fuel injector 1 ctrl
• Fuel injector 2 ctrl
• Fuel injector 3 ctrl
• Fuel injector 4 ctrl
• Fuel injector 5 ctrl
• Fuel injector 6 ctrl
• Fuel injector 7 ctrl
• Fuel injector 8 ctrl
• Fused ctrl
• G112 (on transmission)
• Gnd
• Ground
• Heated oxygen sensor (ho2s) 2
• Heated oxygen sensor (ho2s) bank 1 sensor 1 (on right exhaust manifold)
• Heater low ctrl
• Ho2s 2 high sig
• Ho2s 2 low sig
• Iat sensor sig
• Ic 1 control
• Ic 2 ctrl
• Ic 3 control
• Ic 4 control
• Ic 5 ctrl
• Ic 6 ctrl
• Ic 7 ctrl
• Ic 8 control
• Ignition 1 voltage
• J105
• Knock sens 1 sig
• Knock sens 2 sig
• Knock sensor (ks) 1 (on top right side of engine)
• Knock sensor (ks) 2 (on top left side of engine block)
• Low ref
• Low reference
• Maf sensor sig
• Maf sig
• Mass air flow (maf)/ intake air temperature (iat) sensor (on intake air duct)
• Nca
• Pnk
• Pnk/red
• Pnk/tan
• Ref bank 1 sens 1
• Sens sig a
• Tac motor ctrl 1
• Tac motor ctrl 2
• Tan
• Tan/pnk
• Throttle body assembly (top rear of engine)
• Tp sensor 1 sig
• Tp sensor 2 sig
• Volt bank 1 sens 1

4.6L VIN Y

4.6L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Cadillac DTS 2008

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Cadillac DTS 2008:

• (behind right side of dash) body control module (bcm)
• (left rear of engine compartment, on strut tower) transmission control module (tcm)
• (not used) c
• (on transmission) g112
• 5v ref 1
• 5v ref 2
• A/c compressor clutch rly ctrl
• Acc wake up serial data
• Accelerator pedal position (app) sensor (top of accelerator assembly)
• Air conditioning system
• Air sol rly ctrl
• App sensor 1 sig
• App sensor 2 sig
• Batt positive volt
• Cooling fan rly ctrl evap canister vent sol ctrl
• Cooling fans system
• Ecm/ pcm fuse 10a
• Ecm/crnk fuse 1 15a
• Engine control module (ecm) (left side of engine compartment)
• Engine oil pressure (eop) switch (left side of engine, on oil filter adapter)
• Exterior lights system
• Ftp sens sig
• Fuel pump rly ctrl
• Fuel tank pressure (ftp) sensor (in top of fuel tank)
• G112 (on transmission)
• Hot at all times
• Hot in run or start
• Ign relay
• Ignition 1 voltage
• Instrument panel cluster (ipc)
• J104 (in engine harness, 13 cm from breakout to x138)
• J105
• Logic
• Low reference
• Malfunction ind
• Mil control
• Mil ctrl
• Oss hi sig
• Oss low sig
• Oxy snsr fuse 6 15a
• Pnk
• Power distribution system
• Primary fuel lvl sens sig
• Pwr/train relay
• Pwr/trn rly ctrl
• Starter rly coil ctrl
• Starting/ charging system
• Stop lamp sw sig
• Tan
• To emis dev fuse 7 (diagram 4 of 5)
• Underhood fuse block (at right side of engine compartment)
• Vehicle speed sensor (vss) (on transaxle case extension)

4.6L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Cadillac DTS 2008

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Cadillac DTS 2008:

• (in fuel tank) fuel pump & sender assembly
• (on a/c pressure hose, near compressor) a/c refrigerant pressure sensor
• (under left rear of vehicle) evaporative emission (evap) canister vent solenoid valve
• 5v ref 1
• 5v ref 2
• Air pump relay ctrl
• Cooling fans system
• Ctrl bank 2 sens 1
• Cycle sig generator field duty
• D4 x1
• Ecm/tcm fuse 5 15a
• Engine control module (ecm) (left side of engine compartment)
• Evap cnstr purge
• F/pmp fuse 1 20a
• F10 x3
• Fan rly ctrl lo spd cooling
• Fuel pump relay
• G301 (under left side of rear seat)
• G403 (right rear of trunk)
• Generator turn on sig
• Hot at all times
• J100
• J316 (in body harness, 5 cm from breakout to electronic suspension control module)
• Low reference
• Park/neutral sig
• Pnk
• Rear fuse block (under left rear seat)
• Ref bank 2 sens 1
• Reverse lkout sol ctrl
• Serial data bus -
• Sol can fuse 34 10a
• Sol ctrl
• Starting/ charging system
• Tan
• Transmissions system
• Volt bank 2 sens 1

4.6L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Cadillac DTS 2008

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Cadillac DTS 2008:

• (at lower left corner of engine compt) secondary air injection (air) pump
• (at top rear of engine) evaporative emission (evap) canister purge solenoid valve
• (top right front of engine) secondary air injection (air) check valve
• A/c refrig press sens sig
• Air injection position sig
• Air pump fuse 22 50a
• Air pump relay
• Air sol fuse 5 15a
• Air sol relay
• Computer data lines system
• Ect sensor sig
• Engine control module (ecm) (left side of engine compartment)
• Engine coolant temperature (ect) sensor (on right rear of engine)
• G115 (on transmission)
• Heated oxygen sensor (ho2s) bank 2 sensor 1 (on left exhaust manifold)
• Hot at all times
• Hot in run or start
• J106
• Manifold absolute pressure (map) sensor (on top rear of engine, near throttle body)
• Map sensor sig
• Nca
• Oil press sw signal
• Pnk
• Serial data bus +
• Tan
• Underhood fuse block (at right side of engine compartment)

4.6L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Cadillac DTS 2008

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Cadillac DTS 2008:

• (at top right rear of engine, on cam cover) exhaust gas recirculation (egr) valve
• (in engine harness, 3 cm from branch to x139) j109
• (in engine harness, 6 cm from branch to engine coolant temperature (ect) sensor) j110
• (in engine harness, 7 cm from branch to x139) j102
• (in even bank ignition coil harness, between x139 & ignition coil/module 8) j131
• (in even bank ignition coil harness, between x139 & ignition coil/module 8) j135
• (in odd bank ignition coil harness, between x140 & ignition coil/ pnk module 7) j142
• Emis dev fuse 7 15a
• From ecm/crnk fuse 1 (diagram 1 of 5)
• Fuel inj even fuse 3 15a
• Fuel inj odd fuse 2 15a
• Fuel injectors (2, 4, 6 & 8: top left side of engine) (1, 3, 5 & 7: top right side of engine)
• G100 (rear of right cylinder bank)
• Ignition coils/modules (1, 3, 5 & 7: top right side of engine) (2, 4, 6 & 8: top left side of engine)
• J133
• J144
• J146
• Nca
• Plug spark
• Pnk
• Pnk a
• Pnk/tan
• Red b
• Spark plug
• Underhood fuse block (at right side of engine compartment)

4.6L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Cadillac DTS 2008

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Cadillac DTS 2008:

• 5v ref
• 5v ref 1
• 5v ref 2
• 5v ref b
• Camshaft position (cmp) sensor (right front of engine)
• Ckp sensor sig
• Cmp sensor sig
• Crankshaft position (ckp) sensor (top left center of engine)
• Egr sol high ctrl
• Egr sol low ctrl
• Egr vlv position sig
• Engine control module (ecm) (left side of engine compartment)
• Fuel injector 1 ctrl
• Fuel injector 2 ctrl
• Fuel injector 3 ctrl
• Fuel injector 4 ctrl
• Fuel injector 5 ctrl
• Fuel injector 6 ctrl
• Fuel injector 7 ctrl
• Fuel injector 8 ctrl
• Fused ctrl
• G112 (on transmission)
• Gnd
• Ground
• Heated oxygen sensor (ho2s) 2
• Heated oxygen sensor (ho2s) bank 1 sensor 1 (on right exhaust manifold)
• Heater low ctrl
• Ho2s 2 high sig
• Ho2s 2 low sig
• Iat sensor sig
• Ic 1 control
• Ic 2 ctrl
• Ic 3 control
• Ic 4 control
• Ic 5 ctrl
• Ic 6 ctrl
• Ic 7 ctrl
• Ic 8 control
• Ignition 1 voltage
• J105
• Knock sens 1 sig
• Knock sens 2 sig
• Knock sensor (ks) 1 (on top right side of engine)
• Knock sensor (ks) 2 (on top left side of engine block)
• Low ref
• Low reference
• Maf sensor sig
• Maf sig
• Mass air flow (maf)/ intake air temperature (iat) sensor (on intake air duct)
• Nca
• Pnk
• Pnk/red
• Pnk/tan
• Ref bank 1 sens 1
• Sens sig a
• Tac motor ctrl 1
• Tac motor ctrl 2
• Tan
• Tan/pnk
• Throttle body assembly (top rear of engine)
• Tp sensor 1 sig
• Tp sensor 2 sig
• Volt bank 1 sens 1