ENGINE PERFORMANCE – Cadillac Eldorado ESC 2001 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.6L

4.6L VIN 9, Engine Performance Wiring Diagrams (1 of 4) for Cadillac Eldorado ESC 2001

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagrams (1 of 4) for Cadillac Eldorado ESC 2001:

• A/t input spd sens high
• A/t input spd sens low
• Air sol control
• Anti lock brakes system
• Battery
• Ckp sens a sig
• Ckp sens b sig
• Class 2 data link
• Cmp sens ign feed
• Cmp sens sig
• Computer data lines system
• Cooling fans system
• Crank fuse 10a
• Cruise control system
• Cruise dis/ inhibit out
• Cyl 1 cntrl
• Cyl 7 cntrl
• Delivered torque output
• Egr ign feed
• Electronic suspension system
• Evap vent valve cntrl
• Extended trvl brake sw
• 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
• G117 (right rear of engine)
• Ho2s high
• Ho2s htr high
• Ho2s htr low
• Ho2s low
• Hos2 htr low
• Hot at all times
• Hot in off & run
• Hot in run & start
• Hot in start
• Iac coil a high
• Iac coil a low
• Iac coil b high
• Iac coil b low
• Iat sens sig
• Ign 0 fuse 10a
• Ignition
• Ims a input
• Ims b input
• Ims c input
• Ims p input
• Inj fuse 10a
• Lift/dive sig output
• Maf sens sig
• Map sens sig
• Mil cntrl
• Oxy sen 1 fuse 10a
• Oxy sen 2 fuse 10a
• Pcm (bat) fuse 10a
• Pcm (ign) fuse 10a
• Pcm ground
• Pnk
• Pnk a
• Powertrain control module (left front of eng compt, under air cleaner housing)
• Press cntrl sol high
• Press cntrl sol low
• Red
• Requested torque input
• S114 pnk
• S115
• S125
• S128
• Tan
• Tp sens sig
• Underhood fuse block
• Vss high
• Vss low
• Vss output

4.6L VIN 9, Engine Performance Wiring Diagrams (2 of 4) for Cadillac Eldorado ESC 2001

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagrams (2 of 4) for Cadillac Eldorado ESC 2001:

• Automatic transaxle
• Automatic transaxle input speed sensor
• Ecs fuse 10a
• Evaporative emissions canister purge solenoid (top rear of eng, on rear cam cover)
• Evaporative emissions canister vent solenoid (under center rear of vehicle)
• Exhaust gas recirc- ulation (egr) valve (top right rear of eng)
• Fuel tank pressure sensor (on fuel tank)
• 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 run & start
• Iat sens
• Idle air control (iacv) valve (on throttle body assembly)
• Ign
• Ign 1 fuse 20a
• Maf sens
• Manifold absolute pressure sensor (on throttle body)
• Mass airflow sensor (on air inlet of throttle body)
• Nca
• Pnk
• Pnk d
• Pnk/
• Red
• S126
• S308
• Secondary air injection solenoid (under intake manifold sight shield)
• Tan
• Tan a
• Throttle position sensor (on throttle body assembly)
• Under- hood fuse block

4.6L VIN 9, Engine Performance Wiring Diagrams (3 of 4) for Cadillac Eldorado ESC 2001

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagrams (3 of 4) for Cadillac Eldorado ESC 2001:

• (body harn, right side of dash)
• (on brake pedal support) abs/tcc switch
• Automatic transaxle internal mode switch (in automatic transaxle)
• Bank 2 ignition coil
• Camshaft position (cmp) sensor (right front of eng on cam carrier)
• Crankshaft position (ckp) sensor a (left side of eng block, near oil dipstick)
• Crankshaft position (ckp) sensor b (left side of eng block, near oil dipstick)
• Dis fuse 20a
• Electronic suspension system
• Engine oil pressure switch (front center of eng, near base of oil level indicator)
• Fuel pump (top of fuel tank)
• Fuel pump fuse 20a
• Fuel pump relay (in underhood fuse block)
• G102 (left side of engine compt)
• G117 (right rear of engine)
• G310 (under right side of rear seat)
• Hot in run & start
• Ign
• Ignition coil bank 1
• Ignition control module bank 1
• Ignition control module bank 2
• Instrument panel cluster
• Nca
• Pnk
• Rear compt fuse block
• Red
• Ryl ign 1 fuse 10a
• S123 (engine harn, 4 cm from pcm breakout)
• S125
• S221
• S318
• S402
• Service engine soon ind
• Spark plugs
• Tach input
• Under- hood fuse block
• Vehicle speed sensor (near right eng mount, on transaxle)
• Vss input

4.6L VIN 9, Engine Performance Wiring Diagrams (4 of 4) for Cadillac Eldorado ESC 2001

List of elements for 4.6L VIN 9, Engine Performance Wiring Diagrams (4 of 4) for Cadillac Eldorado ESC 2001:

• (under left front fender) secondary air injection pump
• 1-2 shift sol
• 1-2 shift sol vlv cntrl
• 2-3 shift sol
• 2-3 shift sol vlv cntrl
• 5v ref a
• 5v ref b
• A/c comp cntrl
• A/c system
• Air fuse 50a
• Air pump rly ctrl
• Automatic trans- axle fluid temper- ature sensor
• Automatic transaxle
• Automatic transmission
• Ckp sens a grd
• Ckp sens a ign feed
• Ckp sens b grd
• Ckp sens b ign feed
• Cmp sens grd
• 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
• Ecs fuse 10a
• Ect sens grd
• Ect sens sig
• Egr pintle pos grd
• Egr position
• Egr valve grd
• Engine coolant temperature (ect) sensor (right rear of eng, below egr valve)
• Engine oil level switch (in eng oil pan)
• Evap purge sol cntrl
• Fan high spd cntrl
• Fluid pressure manual valve position switch
• Fuel tank press grd
• G117 (right rear of engine)
• Gen term f feedback
• Generator term l cntrl
• Ho2s htr low
• Hot at all times
• Hot in run & start
• Iat grd
• Knock sens return
• Knock sens sig
• Knock sensor (ks) (on center of engine, below intake manifold)
• Map sens grd
• Nca
• Oil level sw input
• Oil press sw input
• Pcm ground
• Pnk
• Powertrain control module (left front of eng compt, under air cleaner housing)
• Pressure control solenoid
• Red
• Ref low
• Right under- hood fuse block
• S113
• S125
• S126
• Secondary air injection pump relay (forward of left front strut tower)
• Starter rly cntrl
• Starting/ charging system
• Starting/charging system
• Tach output
• Tan
• Tcc brake switch input
• Tcc pwm sol cntrl
• Tft sensor high
• Tft sensor low
• Torque converter clutch solenoid valve
• Tp sens grd
• Trans range a input
• Trans range c input
• Under- hood fuse block

4.6L VIN Y, Engine Performance Wiring Diagrams (1 of 4) for Cadillac Eldorado ESC 2001

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagrams (1 of 4) for Cadillac Eldorado ESC 2001:

• A/t input spd sens high
• A/t input spd sens low
• Air sol control
• Anti lock brakes system
• Battery
• Ckp sens a sig
• Ckp sens b sig
• Class 2 data link
• Cmp sens ign feed
• Cmp sens sig
• Computer data lines system
• Cooling fans system
• Crank fuse 10a
• Cruise control system
• Cruise dis/ inhibit out
• Cyl 1 cntrl
• Cyl 7 cntrl
• Delivered torque output
• Egr ign feed
• Electronic suspension system
• Evap vent valve cntrl
• Extended trvl brake sw
• 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
• G117 (right rear of engine)
• Ho2s high
• Ho2s htr high
• Ho2s htr low
• Ho2s low
• Hos2 htr low
• Hot at all times
• Hot in off & run
• Hot in run & start
• Hot in start
• Iac coil a high
• Iac coil a low
• Iac coil b high
• Iac coil b low
• Iat sens sig
• Ign 0 fuse 10a
• Ignition
• Ims a input
• Ims b input
• Ims c input
• Ims p input
• Inj fuse 10a
• Lift/dive sig output
• Maf sens sig
• Map sens sig
• Mil cntrl
• Oxy sen 1 fuse 10a
• Oxy sen 2 fuse 10a
• Pcm (bat) fuse 10a
• Pcm (ign) fuse 10a
• Pcm ground
• Pnk
• Pnk a
• Powertrain control module (left front of eng compt, under air cleaner housing)
• Press cntrl sol high
• Press cntrl sol low
• Red
• Requested torque input
• S114 pnk
• S115
• S125
• S128
• Tan
• Tp sens sig
• Underhood fuse block
• Vss high
• Vss low
• Vss output

4.6L VIN Y, Engine Performance Wiring Diagrams (2 of 4) for Cadillac Eldorado ESC 2001

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagrams (2 of 4) for Cadillac Eldorado ESC 2001:

• Automatic transaxle
• Automatic transaxle input speed sensor
• Ecs fuse 10a
• Evaporative emissions canister purge solenoid (top rear of eng, on rear cam cover)
• Evaporative emissions canister vent solenoid (under center rear of vehicle)
• Exhaust gas recirc- ulation (egr) valve (top right rear of eng)
• Fuel tank pressure sensor (on fuel tank)
• 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 run & start
• Iat sens
• Idle air control (iacv) valve (on throttle body assembly)
• Ign
• Ign 1 fuse 20a
• Maf sens
• Manifold absolute pressure sensor (on throttle body)
• Mass airflow sensor (on air inlet of throttle body)
• Nca
• Pnk
• Pnk d
• Pnk/
• Red
• S126
• S308
• Secondary air injection solenoid (under intake manifold sight shield)
• Tan
• Tan a
• Throttle position sensor (on throttle body assembly)
• Under- hood fuse block

4.6L VIN Y, Engine Performance Wiring Diagrams (3 of 4) for Cadillac Eldorado ESC 2001

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagrams (3 of 4) for Cadillac Eldorado ESC 2001:

• (body harn, right side of dash)
• (on brake pedal support) abs/tcc switch
• Automatic transaxle internal mode switch (in automatic transaxle)
• Bank 2 ignition coil
• Camshaft position (cmp) sensor (right front of eng on cam carrier)
• Crankshaft position (ckp) sensor a (left side of eng block, near oil dipstick)
• Crankshaft position (ckp) sensor b (left side of eng block, near oil dipstick)
• Dis fuse 20a
• Electronic suspension system
• Engine oil pressure switch (front center of eng, near base of oil level indicator)
• Fuel pump (top of fuel tank)
• Fuel pump fuse 20a
• Fuel pump relay (in underhood fuse block)
• G102 (left side of engine compt)
• G117 (right rear of engine)
• G310 (under right side of rear seat)
• Hot in run & start
• Ign
• Ignition coil bank 1
• Ignition control module bank 1
• Ignition control module bank 2
• Instrument panel cluster
• Nca
• Pnk
• Rear compt fuse block
• Red
• Ryl ign 1 fuse 10a
• S123 (engine harn, 4 cm from pcm breakout)
• S125
• S221
• S318
• S402
• Service engine soon ind
• Spark plugs
• Tach input
• Under- hood fuse block
• Vehicle speed sensor (near right eng mount, on transaxle)
• Vss input

4.6L VIN Y, Engine Performance Wiring Diagrams (4 of 4) for Cadillac Eldorado ESC 2001

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagrams (4 of 4) for Cadillac Eldorado ESC 2001:

• (under left front fender) secondary air injection pump
• 1-2 shift sol
• 1-2 shift sol vlv cntrl
• 2-3 shift sol
• 2-3 shift sol vlv cntrl
• 5v ref a
• 5v ref b
• A/c comp cntrl
• A/c system
• Air fuse 50a
• Air pump rly ctrl
• Automatic trans- axle fluid temper- ature sensor
• Automatic transaxle
• Automatic transmission
• Ckp sens a grd
• Ckp sens a ign feed
• Ckp sens b grd
• Ckp sens b ign feed
• Cmp sens grd
• 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
• Ecs fuse 10a
• Ect sens grd
• Ect sens sig
• Egr pintle pos grd
• Egr position
• Egr valve grd
• Engine coolant temperature (ect) sensor (right rear of eng, below egr valve)
• Engine oil level switch (in eng oil pan)
• Evap purge sol cntrl
• Fan high spd cntrl
• Fluid pressure manual valve position switch
• Fuel tank press grd
• G117 (right rear of engine)
• Gen term f feedback
• Generator term l cntrl
• Ho2s htr low
• Hot at all times
• Hot in run & start
• Iat grd
• Knock sens return
• Knock sens sig
• Knock sensor (ks) (on center of engine, below intake manifold)
• Map sens grd
• Nca
• Oil level sw input
• Oil press sw input
• Pcm ground
• Pnk
• Powertrain control module (left front of eng compt, under air cleaner housing)
• Pressure control solenoid
• Red
• Ref low
• Right under- hood fuse block
• S113
• S125
• S126
• Secondary air injection pump relay (forward of left front strut tower)
• Starter rly cntrl
• Starting/ charging system
• Starting/charging system
• Tach output
• Tan
• Tcc brake switch input
• Tcc pwm sol cntrl
• Tft sensor high
• Tft sensor low
• Torque converter clutch solenoid valve
• Tp sens grd
• Trans range a input
• Trans range c input
• Under- hood fuse block