ENGINE PERFORMANCE – Buick Park Avenue Ultra 1998 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.8L

3.8L (VIN 1), Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 1998

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 1998:

• (front of eng, below power steering pump)
• (left side of eng) knock sensor (ks) bank 1
• (not used)
• (vin 1)
• (vin k)
• 1-2 shift sol control
• 18x ref
• 18x reference
• 2-3 shift sol control
• 3x ref
• 3x reference
• A/t speed sensor high
• A/t speed sensor low
• A12
• Abs/tcc switch (on brake pedal support)
• Bank 1 ks input
• Bank 2 ks input
• Battery
• Bypass
• C3i fuse 10a
• Ckp 18x sig
• Ckp sync sig
• Cmp input
• Cmp output
• Cmp signal
• Computer data lines system
• Cooling fan system
• Cruise control
• Cruise disable/inhibit in
• Cruise module, hud dis- play & inst cluster
• Desired torque input
• Desired torque output
• E12
• Ect sensor ground
• Egr control ground
• Egr pos sensor ground
• Electronic brake/ traction control module (left front of eng compt, base of rad supp)
• Evap purge valve cont
• Evaporative emissions (evap) purge valve (top right side of eng)
• F12
• Fuel inj 1 control
• Fuel inj 2 control
• Fuel inj 4 control
• Fuel inj 5 control
• Fuel inj 6 control
• Fuel pump speed control
• G125
• G125 (left front of eng, under ignition control module)
• Ground
• Hi speed cool fan cont
• Ho2s 1 low
• Ho2s 2 low
• Hot at all times
• Hot in off, run and start
• Hot in run & start
• Iac coil b high
• Iat sensor ground
• Ign
• Ign control
• Ign voltage
• Ignfd fuse 10a
• Ignition
• Ignition control
• Ignition control (ic) module (left front of eng, under ign coils)
• Knock sensor (ks) bank 2 (right side of eng)
• Lo speed cool fan cont
• Maf sensor input
• Map sensor ground
• Mass air flow (maf) sensor (rear of eng, in intake duct)
• Pcm fuse 10a
• Pcm ground
• Pcm/cru fuse 10a c3
• Pnk
• Pnk a
• Powertrain control module (pcm) (in air cleaner housing)
• Rear junction block (below right side of rear seat)
• Ref low
• Reference low
• S108
• Serial data (class 2)
• Signal
• Tan
• Tcc switch input
• Tp sensor ground
• Trans range a input
• Trans range sw b input
• Underhood junction block (near battery)
• Vehicle speed sensor (vss) (right rear of eng compt, on transaxle)
• Vss high
• Vss low
• Vss output

3.8L (VIN 1), Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 1998

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 1998:

• (front of eng, below power steering pump)
• (ign cont module harn, 26 cm from ign cont module)
• (top right front of transaxle) park/neutral position (pnp) switch
• 1-2 shift sol
• 2-3 shift sol
• A no.1
• A no.2
• A no.3
• A/t fluid pressure manual valve position switch
• A/t fluid temp sensor
• A/t input shaft speed sensor
• Automatic transaxle (4t65-e)
• Camshaft position sensor (cmp) (right front of eng)
• Crankshaft position sensor (ckp) (left front of eng)
• Fuel injectors
• G125
• Hot in run & start
• Injr fuse 10a
• No.4
• No.5
• No.6
• Pnk
• Pressure control solenoid
• Red
• Red a
• Rev
• S108
• S135
• S136 (ign cont module harn, 20 cm from ign cont module)
• Starting system
• Tan
• Tcc pwm sol
• Tcc rel
• Underhood junction block (near battery)

3.8L (VIN 1), Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 1998

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 1998:

• (behind glove box)
• (behind right pwm control fuel pump
• (below right side of rear seat)
• (eng harn, 15 cm from cruise module breakout)
• (eng harn, 47 cm from pcm) s105
• (front of eng, below power steering pump)
• (on evap cannister) evaporative emissions canister vent solenoid
• (right side of trunk, on rear of wheelhouse) g403
• A/c pressure sensor (near a/c compressor, on hose assembly)
• E12
• Engine oil pressure sensor (below power steering pump)
• Exhaust gas recirculation (egr) valve (top right rear of engine)
• F/pmp fuse 20a
• Feed fuel pump
• Fuel pump
• Fuel pump control module (vin 1)
• Fuel pump relay
• Fuel tank pressure sensor (in fuel tank)
• Fuel tank unit
• G125
• Ground
• High fuel pump
• Hot at all times
• Hot in run & start
• I/p junction block
• Intake air temperature (iat) sensor (in air intake assmebly)
• Low fuel pump
• Manifold absolute pressure (map) sensor (top right side of engine)
• Pnk
• Rear junction block
• Rear wheel- house)
• Red
• S108
• S115
• S401
• Sbm/lcm fuse 10a
• Tan
• Throttle position (tp) sensor (on throttle body)
• Underhood junction block (near battery)
• Vin 1
• Vin k

3.8L (VIN 1), Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 1998

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 1998:

• (behind glove box) i/p junction block
• (below power steer pump)
• (left kick panel)
• (top left rear of engine)
• (vin 1)
• 5 volt reference a
• 5 volt reference b
• A/c clu fuse 10a
• A/c comp relay control
• A/c press sensor in
• A/c system
• A/t fluid temp input
• Abs switch input
• Abs/tcc switch (brake pedal support)
• Boost control solenoid
• Boost solenoid control
• Charging system
• Cruise control
• Cruise status
• Delivered torque input
• Desired torque control
• Ect sensor input
• Egr pintel position input
• Egr valve control
• Electronic brake/traction control module (left front eng compt, base of radiator suppport)
• Eng oil level sw input
• Eng oil press sensor in
• Engine coolant temperature (ect) sensor (thermostat housing)
• Engine oil level switch (on engine oil pan)
• Evap solenoid control
• Front heated oxygen sensor (ho2s 1) (on right exhaust manifold)
• Fuel inj 3 control
• Fuel pump relay control
• Fuel tank press sensor
• G125
• G200
• Gen term f monitor
• Gen term l control
• Ho2s 1 input
• Ho2s 2 input
• Hot in run & start
• Iac coil a high
• Iac coil a low
• Iac coil b low
• Iat sensor input
• Idle air control (iac) valve (on top of throttle body)
• Ignition
• Instrument cluster
• Map sensor input
• Mil control
• Mil ind
• Nca
• Oxy sen fuse 10a
• Pcm fuse 10a
• Pnk
• Post catalytic converter heated oxygen sensor (ho2s 2) (rear of cat converter)
• Power dist system
• Powertrain control module (pcm) (in air cleaner housing)
• Press sol high control
• Press sol low control
• Red
• S108
• S203
• Sbm lcm fuse 10a
• Sensor ground
• Starter enable
• Tach output
• Tan
• Tcc pwm sol control
• Tp sensor input
• Trans range b input
• Trans range c input
• Trans range sw c input
• Trans range sw d input
• Trans range sw p input
• Trans tcc release sw in
• Underhood junction block (near battery)

3.8L (VIN K), Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 1998

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 1998:

• (front of eng, below power steering pump)
• (left side of eng) knock sensor (ks) bank 1
• (not used)
• (vin 1)
• (vin k)
• 1-2 shift sol control
• 18x ref
• 18x reference
• 2-3 shift sol control
• 3x ref
• 3x reference
• A/t speed sensor high
• A/t speed sensor low
• A12
• Abs/tcc switch (on brake pedal support)
• Bank 1 ks input
• Bank 2 ks input
• Battery
• Bypass
• C3i fuse 10a
• Ckp 18x sig
• Ckp sync sig
• Cmp input
• Cmp output
• Cmp signal
• Computer data lines system
• Cooling fan system
• Cruise control
• Cruise disable/inhibit in
• Cruise module, hud dis- play & inst cluster
• Desired torque input
• Desired torque output
• E12
• Ect sensor ground
• Egr control ground
• Egr pos sensor ground
• Electronic brake/ traction control module (left front of eng compt, base of rad supp)
• Evap purge valve cont
• Evaporative emissions (evap) purge valve (top right side of eng)
• F12
• Fuel inj 1 control
• Fuel inj 2 control
• Fuel inj 4 control
• Fuel inj 5 control
• Fuel inj 6 control
• Fuel pump speed control
• G125
• G125 (left front of eng, under ignition control module)
• Ground
• Hi speed cool fan cont
• Ho2s 1 low
• Ho2s 2 low
• Hot at all times
• Hot in off, run and start
• Hot in run & start
• Iac coil b high
• Iat sensor ground
• Ign
• Ign control
• Ign voltage
• Ignfd fuse 10a
• Ignition
• Ignition control
• Ignition control (ic) module (left front of eng, under ign coils)
• Knock sensor (ks) bank 2 (right side of eng)
• Lo speed cool fan cont
• Maf sensor input
• Map sensor ground
• Mass air flow (maf) sensor (rear of eng, in intake duct)
• Pcm fuse 10a
• Pcm ground
• Pcm/cru fuse 10a c3
• Pnk
• Pnk a
• Powertrain control module (pcm) (in air cleaner housing)
• Rear junction block (below right side of rear seat)
• Ref low
• Reference low
• S108
• Serial data (class 2)
• Signal
• Tan
• Tcc switch input
• Tp sensor ground
• Trans range a input
• Trans range sw b input
• Underhood junction block (near battery)
• Vehicle speed sensor (vss) (right rear of eng compt, on transaxle)
• Vss high
• Vss low
• Vss output

3.8L (VIN K), Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 1998

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 1998:

• (front of eng, below power steering pump)
• (ign cont module harn, 26 cm from ign cont module)
• (top right front of transaxle) park/neutral position (pnp) switch
• 1-2 shift sol
• 2-3 shift sol
• A no.1
• A no.2
• A no.3
• A/t fluid pressure manual valve position switch
• A/t fluid temp sensor
• A/t input shaft speed sensor
• Automatic transaxle (4t65-e)
• Camshaft position sensor (cmp) (right front of eng)
• Crankshaft position sensor (ckp) (left front of eng)
• Fuel injectors
• G125
• Hot in run & start
• Injr fuse 10a
• No.4
• No.5
• No.6
• Pnk
• Pressure control solenoid
• Red
• Red a
• Rev
• S108
• S135
• S136 (ign cont module harn, 20 cm from ign cont module)
• Starting system
• Tan
• Tcc pwm sol
• Tcc rel
• Underhood junction block (near battery)

3.8L (VIN K), Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 1998

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 1998:

• (behind glove box)
• (behind right pwm control fuel pump
• (below right side of rear seat)
• (eng harn, 15 cm from cruise module breakout)
• (eng harn, 47 cm from pcm) s105
• (front of eng, below power steering pump)
• (on evap cannister) evaporative emissions canister vent solenoid
• (right side of trunk, on rear of wheelhouse) g403
• A/c pressure sensor (near a/c compressor, on hose assembly)
• E12
• Engine oil pressure sensor (below power steering pump)
• Exhaust gas recirculation (egr) valve (top right rear of engine)
• F/pmp fuse 20a
• Feed fuel pump
• Fuel pump
• Fuel pump control module (vin 1)
• Fuel pump relay
• Fuel tank pressure sensor (in fuel tank)
• Fuel tank unit
• G125
• Ground
• High fuel pump
• Hot at all times
• Hot in run & start
• I/p junction block
• Intake air temperature (iat) sensor (in air intake assmebly)
• Low fuel pump
• Manifold absolute pressure (map) sensor (top right side of engine)
• Pnk
• Rear junction block
• Rear wheel- house)
• Red
• S108
• S115
• S401
• Sbm/lcm fuse 10a
• Tan
• Throttle position (tp) sensor (on throttle body)
• Underhood junction block (near battery)
• Vin 1
• Vin k

3.8L (VIN K), Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 1998

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 1998:

• (behind glove box) i/p junction block
• (below power steer pump)
• (left kick panel)
• (top left rear of engine)
• (vin 1)
• 5 volt reference a
• 5 volt reference b
• A/c clu fuse 10a
• A/c comp relay control
• A/c press sensor in
• A/c system
• A/t fluid temp input
• Abs switch input
• Abs/tcc switch (brake pedal support)
• Boost control solenoid
• Boost solenoid control
• Charging system
• Cruise control
• Cruise status
• Delivered torque input
• Desired torque control
• Ect sensor input
• Egr pintel position input
• Egr valve control
• Electronic brake/traction control module (left front eng compt, base of radiator suppport)
• Eng oil level sw input
• Eng oil press sensor in
• Engine coolant temperature (ect) sensor (thermostat housing)
• Engine oil level switch (on engine oil pan)
• Evap solenoid control
• Front heated oxygen sensor (ho2s 1) (on right exhaust manifold)
• Fuel inj 3 control
• Fuel pump relay control
• Fuel tank press sensor
• G125
• G200
• Gen term f monitor
• Gen term l control
• Ho2s 1 input
• Ho2s 2 input
• Hot in run & start
• Iac coil a high
• Iac coil a low
• Iac coil b low
• Iat sensor input
• Idle air control (iac) valve (on top of throttle body)
• Ignition
• Instrument cluster
• Map sensor input
• Mil control
• Mil ind
• Nca
• Oxy sen fuse 10a
• Pcm fuse 10a
• Pnk
• Post catalytic converter heated oxygen sensor (ho2s 2) (rear of cat converter)
• Power dist system
• Powertrain control module (pcm) (in air cleaner housing)
• Press sol high control
• Press sol low control
• Red
• S108
• S203
• Sbm lcm fuse 10a
• Sensor ground
• Starter enable
• Tach output
• Tan
• Tcc pwm sol control
• Tp sensor input
• Trans range b input
• Trans range c input
• Trans range sw c input
• Trans range sw d input
• Trans range sw p input
• Trans tcc release sw in
• Underhood junction block (near battery)