ENGINE PERFORMANCE – Cadillac DeVille 1997 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.6L

4.6L (VIN Y), Engine Performance Wiring Diagrams (1 of 4) for Cadillac DeVille 1997

List of elements for 4.6L (VIN Y), Engine Performance Wiring Diagrams (1 of 4) for Cadillac DeVille 1997:

• (body harn, at left kick panel)
• A/c comp clutch ctrl
• Air conditioning system
• Automatic transaxle
• Bbv 5v ref out
• Bbv sens in
• Bbv sens return
• Class ii data link
• Cruise control system
• Cruise engaged
• Cruise inhibit
• Data link connector (under left side of i/p)
• Ect sens return
• Egr 5v ref out
• Egr pos sens return
• Electronic suspension system
• Engine coolant temperature sensor (ect) (left rear corner of engine)
• Evaporative emission control solenoid (left rear of engine)
• Evaporative emission vacuum purge switch (left rear of engine)
• Exhaust gas recirc- ulation valve (left rear corner of engine)
• Extended travel brake
• Fuel pump feedback
• G117 (lower right rear of engine block)
• Gen 'f' term feedback
• Iac sol coil ctrl
• Iat sens return
• Idle air control (iacv) valve (throttle body)
• Intake air temperature (iat) sensor (top left side of engine)
• Lift/dive sig out
• Map 5v ref out
• Map sens in
• Map sensor return
• Mass air flow sensor (on air inlet)
• Neutral safety sw in
• Park/neutral sw 'a'
• Park/neutral sw 'b'
• Park/neutral sw 'c'
• Pcm ground
• Pnk
• Post cat ho2s in hi
• Post cat ho2s in lo
• Power (battery)
• Power (ignition 0)
• Power (ignition 1)
• Powertrain control module (left front of engine compartment)
• Pwr steer pres sw in
• Red
• S125
• S203
• Shift 'a' sol ctrl
• Shift 'b' sol ctrl
• Starting/ charging system
• Tan
• Tcc brake sw in
• Tcc sol ctrl
• Throttle position sensor (throttle body assy)
• Tp sens in
• Tp sens return
• Tps 5v ref out
• Trans press sol ctrl
• Trans press sol enable
• Trans press sw 'a' in
• Trans press sw 'b' in
• Trans press sw 'c' in
• Trans temp sens in
• Trans temp sens rtrn
• Turbine speed in hi
• Turbine speed in lo
• Turbine speed sensor

4.6L (VIN Y), Engine Performance Wiring Diagrams (2 of 4) for Cadillac DeVille 1997

List of elements for 4.6L (VIN Y), Engine Performance Wiring Diagrams (2 of 4) for Cadillac DeVille 1997:

• 1-2 shift sol
• 2-3 shift sol
• Automatic transaxle
• Automatic transmission
• Brake booster vacuum sensor (master cylinder)
• Cruise control system
• Distr fuse 20a
• Ecs fuse 10a
• Engine compart- ment fuse/relay center
• Fluid pressure manual valve position switch
• Hot at all times
• Hot in off or run
• Hot in run, bulb test or start
• Ign 0 fuse 10a
• Manifold absolute pressure sensor (top left side of engine)
• Oxy sen 1 fuse 10a
• Oxy sen 2 fuse 10a
• Pcm (bat) fuse 10a
• Pcm (ign) fuse 10a
• Pnk
• Pressure control solenoid
• Red
• S124
• S126
• Tan
• Tcc brake switch (under left side of i/p)
• Torque converter clutch solenoid
• Trans- axle temper- ature sensor

4.6L (VIN Y), Engine Performance Wiring Diagrams (3 of 4) for Cadillac DeVille 1997

List of elements for 4.6L (VIN Y), Engine Performance Wiring Diagrams (3 of 4) for Cadillac DeVille 1997:

• (engine harn, 4 cm from pcm connector) s124
• (not used)
• (top rear of engine under ignition coils)
• Camshaft position (cmp) sensor (right side of engine)
• Crankshaft position (ckp) sensor a (front of engine block)
• Crankshaft position (ckp) sensor b (front of engine block)
• Engine compart- ment fuse/ relay center
• Fuel pump (top of fuel tank)
• Fuel pump fuse 20a
• Fuel pump relay (position 'a') (engine compt fuse block)
• G117 (lower left rear of engine block)
• G117 (lower right rear of engine block)
• G312 (behind left rear seat, on 'x' brace)
• Hot in run, bulb test or start
• Ignition amplifier and switching module
• Ignition control module
• Instrument cluster
• Nca
• Oil pressure switch (lower center front of engine)
• Park/ neutral position switch (top of transaxle)
• Pnk
• Power steering pressure switch (bottom rear of engine compt)
• Rly ign 1 fuse 10a
• S125
• S318
• S402
• Service engine soon indicator
• Spark plugs
• Tach signal in
• Tan
• Trunk compart- ment fuse block
• Vehicle speed sensor (on trans- axle)
• Vss in

4.6L (VIN Y), Engine Performance Wiring Diagrams (4 of 4) for Cadillac DeVille 1997

List of elements for 4.6L (VIN Y), Engine Performance Wiring Diagrams (4 of 4) for Cadillac DeVille 1997:

• (fuel rail harness, left front of engine)
• (left rear of engine)
• 24x ref hi in
• 4x ref hi in
• Anti-lock brakes system
• Bypass spark out
• Cam hi in
• Cann purge vac sw in
• Cool fan hi speed ctrl
• Cool fan lo speed ctrl
• Cooling fans system
• Cruise control system
• Delivered torque out
• Desired torque in
• Ect sens in
• Egr valve feedback
• Egr valve sol ctrl
• Electronic suspension system
• Engine compart- ment fuse block
• Evap ctrl sol out
• Front heated oxygen sensor (front exhaust manifold)
• Front ho2s in hi
• Front ho2s in lo
• 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
• Fuel injectors
• Fuel pump relay ctrl
• G114
• G114 (left rear of engine)
• G117 (lower right rear of engine block)
• Hot in run, bulb test or start
• Iat sens in
• Ignition ctrl feedback
• Inj fuse 10a
• Knock sens in
• Knock sensor (lower right rear of engine block)
• Maf sens in
• Mil indic ctrl
• Nca
• Oil level sw in
• Oil level switch (in oil pan)
• Oil press sens in
• Pcm ground
• Pnk
• Post-converter heated o2s (in exhaust system, near catalyst)
• Power (ignition 1)
• Powertrain control module (left front of engine compartment)
• Pre-cat ho2s in hi
• Pre-cat ho2s in lo
• Pre-converter heated o2s (in exhaust system, near catalyst)
• Rear h02s in lo
• Rear heated oxygen sensor (rear exhaust manifold)
• Rear ho2s in hi
• Ref lo in
• S110
• S111
• S125
• S127
• Tach signal out
• Tan
• Vss in hi
• Vss in lo
• Vss out (4000 ppm)