ENGINE PERFORMANCE – Buick Park Avenue Ultra 2002 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.8L

3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 2002

List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 2002:

• (left front of engine, below icm) g101
• (left side of eng) knock sensor (ks) bank 1
• (not used)
• 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
• 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 system
• Cruise disable/inhibit in
• Cruise module, hud dis- play & inst cluster
• Desired torque input
• E12
• Ect sensor ground
• Egr control ground
• Egr pos sensor ground
• Electronic brake control module (ebcm) (left front of eng compt, base of rad supp)
• Evap purge valve cont
• Evaporative emissions (evap) purge valve (top of engine)
• F12
• Fuel inj 1 control
• Fuel inj 2 control
• Fuel inj 4 control
• Fuel inj 5 control
• Fuel inj 6 control
• G100 (left front of engine, below icm)
• Ground
• Hi speed cool fan cont
• Ho2s 1 low
• Ho2s 2 low
• Hot at all times
• Hot in off, run & start
• Hot in run & start
• I/p fuse block
• 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 airflow (maf) sensor (rear of eng, top of throttle body)
• Pcm fuse 10a
• Pcm ground
• Pcm/cru fuse 10a c3
• Pnk
• Pnk a
• Powertrain control module (pcm) (in air cleaner housing)
• Rear fuse block (below right side of rear seat)
• Ref low
• Reference low
• S108
• Serial data (class 2)
• Signal
• Tan
• Tcc switch (on brake pedal support)
• Tcc switch input
• Torque signal
• Tp sensor ground
• Trans range a input
• Trans range sw b input
• Underhood fuse block (left) (near battery) a12
• Vacuum valve cntrl
• 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 2002

List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 2002:

• (ign cont module harn, 26 cm from ign cont module)
• (left front of engine below icm)
• (top right front of transaxle) park/neutral position (pnp) switch
• 1-2 shift sol
• 2-3 shift sol
• A pnk
• Automatic transaxle
• Automatic transaxle fluid pressure manual valve position switch
• Automatic transaxle fluid temperature sensor
• Automatic transaxle input shaft speed sensor
• Automatic transmission
• Camshaft position sensor (cmp) (right front of eng)
• Crankshaft position sensor (ckp) (left front of eng)
• Fuel injectors
• G101
• Hot in run & start
• Injr fuse 10a
• Pnk
• Pressure control sol
• Red
• Rev
• S108
• S135
• S136 (ign cont module harn, 20 cm from ign cont module)
• Secondary air injection solenoid (on eng cover mounting bracket)
• Tan
• Tcc pwm sol
• Tcc rel
• Underhood fuse block (left) (near battery)

3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 2002

List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 2002:

• (eng harn, 15 cm from cruise module breakout)
• (eng harn, 47 cm from pcm) s105
• (in fuel tank) fuel pump & sender assembly
• (left front of engine compt) secondary air injection pump
• (left front of engine, below icm) g101
• (left kick panel)
• (right side of rear compt, rear of wheelhouse) g400
• A/c refrigerant pressure sensor (near a/c compressor, on hose assembly)
• Air pump fuse 30a
• Air pump relay
• Air sol fuse 10a
• B10
• D10
• Engine oil pressure sensor (below power steering pump)
• Exhaust gas recirculation (egr) valve (top right rear of engine)
• F/pmp fuse 20a
• Fuel pump
• Fuel pump relay
• Fuel tank pressure sensor (in fuel tank)
• G105 (below battery tray)
• G202
• Hot at all times
• Intake air temperature (iat) sensor (in air intake assmebly)
• Manifold absolute pressure (map) sensor (top right side of engine)
• Pnk
• Red
• S108
• S115
• S203
• S401
• Stoplamp switch (brake pedal support)
• Tan
• Throttle position (tp) sensor (on throttle body)
• Underhood fuse block (left) (near battery)
• Underhood fuse block (right) (right front of eng compt, forward of strut tower)

3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 2002

List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 2002:

• (behind glove box) i/p fuse block
• 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
• A13
• Abs switch input
• Air pump relay cntrl
• Boost solenoid control
• C11
• Crk fuse 5a
• Cruise control
• Cruise status
• D11
• Desired torque control
• E11
• E12
• Ect sensor input
• Egr pintel position input
• Egr valve control
• 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
• Evaporative emissions (evap) canister vent solenoid (below rear of vehicle on evap canister)
• Fuel inj 3 control
• Fuel pump relay control
• Fuel tank press sensor
• G101 (left front of engine, below icm)
• Gen term f monitor
• Gen term l control
• Heated oxygen sensor (ho2s) 1 (on right exhaust manifold)
• Heated oxygen sensor (ho2s) 2 (rear of cat converter)
• Ho2s 1 input
• Ho2s 2 input
• Hot in run & start
• Hot in 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
• Powertrain control module (pcm) (in air cleaner housing)
• Press sol high control
• Press sol low control
• Rear fuse block (below rear seat)
• Red
• S108
• Sbm lcm fuse 10a
• Sensor ground
• Starter relay
• Starting/ charging system
• Super charger boost control solenoid (vin 1) (top left rear of engine)
• Tach input
• 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 fuse block (left) (near battery)

3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 2002

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Park Avenue Ultra 2002:

• (left front of engine, below icm) g101
• (left side of eng) knock sensor (ks) bank 1
• (not used)
• 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
• 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 system
• Cruise disable/inhibit in
• Cruise module, hud dis- play & inst cluster
• Desired torque input
• E12
• Ect sensor ground
• Egr control ground
• Egr pos sensor ground
• Electronic brake control module (ebcm) (left front of eng compt, base of rad supp)
• Evap purge valve cont
• Evaporative emissions (evap) purge valve (top of engine)
• F12
• Fuel inj 1 control
• Fuel inj 2 control
• Fuel inj 4 control
• Fuel inj 5 control
• Fuel inj 6 control
• G100 (left front of engine, below icm)
• Ground
• Hi speed cool fan cont
• Ho2s 1 low
• Ho2s 2 low
• Hot at all times
• Hot in off, run & start
• Hot in run & start
• I/p fuse block
• 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 airflow (maf) sensor (rear of eng, top of throttle body)
• Pcm fuse 10a
• Pcm ground
• Pcm/cru fuse 10a c3
• Pnk
• Pnk a
• Powertrain control module (pcm) (in air cleaner housing)
• Rear fuse block (below right side of rear seat)
• Ref low
• Reference low
• S108
• Serial data (class 2)
• Signal
• Tan
• Tcc switch (on brake pedal support)
• Tcc switch input
• Torque signal
• Tp sensor ground
• Trans range a input
• Trans range sw b input
• Underhood fuse block (left) (near battery) a12
• Vacuum valve cntrl
• 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 2002

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Park Avenue Ultra 2002:

• (ign cont module harn, 26 cm from ign cont module)
• (left front of engine below icm)
• (top right front of transaxle) park/neutral position (pnp) switch
• 1-2 shift sol
• 2-3 shift sol
• A pnk
• Automatic transaxle
• Automatic transaxle fluid pressure manual valve position switch
• Automatic transaxle fluid temperature sensor
• Automatic transaxle input shaft speed sensor
• Automatic transmission
• Camshaft position sensor (cmp) (right front of eng)
• Crankshaft position sensor (ckp) (left front of eng)
• Fuel injectors
• G101
• Hot in run & start
• Injr fuse 10a
• Pnk
• Pressure control sol
• Red
• Rev
• S108
• S135
• S136 (ign cont module harn, 20 cm from ign cont module)
• Secondary air injection solenoid (on eng cover mounting bracket)
• Tan
• Tcc pwm sol
• Tcc rel
• Underhood fuse block (left) (near battery)

3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 2002

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Park Avenue Ultra 2002:

• (eng harn, 15 cm from cruise module breakout)
• (eng harn, 47 cm from pcm) s105
• (in fuel tank) fuel pump & sender assembly
• (left front of engine compt) secondary air injection pump
• (left front of engine, below icm) g101
• (left kick panel)
• (right side of rear compt, rear of wheelhouse) g400
• A/c refrigerant pressure sensor (near a/c compressor, on hose assembly)
• Air pump fuse 30a
• Air pump relay
• Air sol fuse 10a
• B10
• D10
• Engine oil pressure sensor (below power steering pump)
• Exhaust gas recirculation (egr) valve (top right rear of engine)
• F/pmp fuse 20a
• Fuel pump
• Fuel pump relay
• Fuel tank pressure sensor (in fuel tank)
• G105 (below battery tray)
• G202
• Hot at all times
• Intake air temperature (iat) sensor (in air intake assmebly)
• Manifold absolute pressure (map) sensor (top right side of engine)
• Pnk
• Red
• S108
• S115
• S203
• S401
• Stoplamp switch (brake pedal support)
• Tan
• Throttle position (tp) sensor (on throttle body)
• Underhood fuse block (left) (near battery)
• Underhood fuse block (right) (right front of eng compt, forward of strut tower)

3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 2002

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Park Avenue Ultra 2002:

• (behind glove box) i/p fuse block
• 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
• A13
• Abs switch input
• Air pump relay cntrl
• Boost solenoid control
• C11
• Crk fuse 5a
• Cruise control
• Cruise status
• D11
• Desired torque control
• E11
• E12
• Ect sensor input
• Egr pintel position input
• Egr valve control
• 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
• Evaporative emissions (evap) canister vent solenoid (below rear of vehicle on evap canister)
• Fuel inj 3 control
• Fuel pump relay control
• Fuel tank press sensor
• G101 (left front of engine, below icm)
• Gen term f monitor
• Gen term l control
• Heated oxygen sensor (ho2s) 1 (on right exhaust manifold)
• Heated oxygen sensor (ho2s) 2 (rear of cat converter)
• Ho2s 1 input
• Ho2s 2 input
• Hot in run & start
• Hot in 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
• Powertrain control module (pcm) (in air cleaner housing)
• Press sol high control
• Press sol low control
• Rear fuse block (below rear seat)
• Red
• S108
• Sbm lcm fuse 10a
• Sensor ground
• Starter relay
• Starting/ charging system
• Super charger boost control solenoid (vin 1) (top left rear of engine)
• Tach input
• 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 fuse block (left) (near battery)