ENGINE PERFORMANCE – Buick Skylark Gran Sport 1997 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.4L

2.4L (VIN T), Engine Performance Wiring Diagrams (1 of 3) for Buick Skylark Gran Sport 1997

List of elements for 2.4L (VIN T), Engine Performance Wiring Diagrams (1 of 3) for Buick Skylark Gran Sport 1997:

• (engine harness, right rear of eng compt)
• (i/p harness, left upper front of dash)
• (right rear of eng compt) fuel pump relay
• 5v ref
• A/c pres
• A/c refrigerant pressure sensor (right front of eng compt)
• Alarm fuse 10a
• All times
• Battery
• C2 brake switch (below steering column)
• Ckp ref
• Cmp sens
• Cruise control brake switch (below steering column)
• Data link connector (left side of i/p)
• Ect sensor
• Egr valve
• Engine compartment fuse center
• Engine coolant level switch (right front of eng compt)
• Engine oil pressure sensor (front right corner of eng compt)
• F/p-inj fuse 20a
• Fuel pump
• Fuel tank module (below rear of vehicle)
• Fuel tank pres
• Fuel tank pressure sensor (front of fuel tank)
• Fuse block
• G101 (right front of eng compt)
• G303 (below right rear seat)
• Gen term f
• Gen term l
• Generator
• Hot at
• Hot in off, run, bulb test or start
• Hot in run, bulb test or start
• Ign
• Ign ctrl 1-4
• Ign ctrl 2-3
• Ign mod fuse 20a
• Inj 1
• Inj 2
• Knock sensor (left rear of eng compt)
• Ks signal
• Low coolant sw
• Map sensor
• Nca
• Oil pres
• Pcm batt fuse 10a
• Pcm gnd
• Pcm ground
• Pcm/ign fuse 10a
• Pnk
• Powertrain control module (right front of i/p)
• Prndl fuse 10a
• Red
• S171
• S213
• S242
• S278
• S331
• S391
• Serial data
• Tan
• Tcc bk sw
• Throttle position sensor (front of eng)
• Tp sensor
• Tr sw a
• Tr sw input b
• Tr sw input c
• Tr sw input p
• Transaxle range switch (left rear of eng compt)
• Uart data line
• Vss high
• W/ cruise control
• W/o cruise control

2.4L (VIN T), Engine Performance Wiring Diagrams (2 of 3) for Buick Skylark Gran Sport 1997

List of elements for 2.4L (VIN T), Engine Performance Wiring Diagrams (2 of 3) for Buick Skylark Gran Sport 1997:

• (engine harness, left front of dash)
• 1-2 shift solenoid valve
• 1-4 coil ctrl
• 2-3 coil ctrl
• 2-3 shift solenoid valve
• Automatic transaxle
• Ckp gnd
• Ckp sig
• Coil pos
• Crankshaft position sensor (front of eng)
• Engine coolant temperature sensor (left rear of eng)
• Fuel injectors
• Gnd
• Ic input 1-4
• Ic input 2-3
• Ign
• Ignition coils
• Ignition control module (left rear of eng compt)
• Nca
• Pnk
• Red
• Ref low
• Ref sig
• S112
• Tan
• To spark plugs
• Torque converter clutch pwm solenoid valve
• Torque converter clutch solenoid valve
• Vehicle speed sensor (right rear of eng)

2.4L (VIN T), Engine Performance Wiring Diagrams (3 of 3) for Buick Skylark Gran Sport 1997

List of elements for 2.4L (VIN T), Engine Performance Wiring Diagrams (3 of 3) for Buick Skylark Gran Sport 1997:

• (buick/olds)
• (left rear corner of eng compt) tachometer signal connector
• (pontiac)
• 1-2 ss valve
• 2-3 ss valve
• A/ pres +5v
• A/c clutch rly
• A/c system
• C499
• Camshaft position sensor (top front of eng)
• Cmp sens b+
• Cmp sens gnd
• Cooling fans system
• Cruise control system
• Cruise diable
• Cruise engaged
• D9 d8
• Ect sens
• Egr pintle pos
• Egr vlv
• Egr vlv +5v
• Engine compart- ment fuse center
• Erls fuse 20a
• Evap can vnt
• Evap canp
• Evaporative emission canister purge valve (rear of eng)
• Evaporative emission canister vent solenoid (right front corner of eng compt)
• Exhaust gas recirculation (egr) valve (right front of eng compt)
• F pump rly
• Fuse block
• G101 (right front of eng compt)
• G116 (left side of safety wall)
• Hot in run
• Hot in run, bulb test or start
• Iac coil a hi
• Iac coil a lo
• Iac coil b hi
• Iac coil b lo
• Iat sens
• Iat sens sig
• Icm ref lo
• Idle air control valve (front of of eng)
• Ign
• Inj 3 driver
• Inj 4 driver
• Instrument cluster
• Instrument cluster system
• Intake air temperature sensor (left rear of eng)
• Lt fan ctrl
• Malfunction indicator lamp
• Manifold absolute pressure sensor (top front of eng)
• Map sens +5v
• Map sensor
• Mil ctrl
• Nca
• O2 fuse 10a
• Pcm gnd
• Pnk
• Pnk a
• Post conv o2
• Post- converter heated oxygen sensor (below center of vehicle)
• Powertrain control module (right front of i/p)
• Pre conv o2
• Pre- converter oxygen sensor (left rear of eng compt)
• Red
• Red c
• S119
• S140
• S171
• Tachometer out
• Tan
• Tan b
• Tcc pwm sol
• Tcc sol
• Tp sens +5v
• Vss low
• Vss out

3.1L

3.1L (VIN M), Engine Performance Wiring Diagrams (1 of 3) for Buick Skylark Gran Sport 1997

List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (1 of 3) for Buick Skylark Gran Sport 1997:

• (engine harness, near breakout to electronic brake control module)
• (under left side of i/p)
• 24x crank pos in
• 5v ref out
• A/c comp ctrl
• A/c system
• Alarm fuse 10a
• Brake/tcc sw in
• Cam pos in
• Cam/crnk pos return
• Camshaft position sensor (top front of eng)
• Cooling fans system
• Crankshaft position sensor (24x) (front of eng)
• Cruise control system
• Cruise engaged sig
• Data link connector
• Dlc class 2 data
• Dlc uart
• Egr ignition
• Egr valve sol ctrl
• Eng coolant level input
• Engine compartment fuse center
• Engine cool fan
• Engine coolant level switch (right front of eng compt)
• Engine data sens grd
• Engine oil level switch (right rear bottom of eng)
• Engine oil pressure switch (right front corner of eng)
• Evap purge sol ctrl
• Evaporative emissions canister purge solenoid valve (rear of eng)
• Evaporative emissions canister vent solenoid valve (right front corner of eng compt)
• Fuel pump rly ctrl
• Fuse block
• G101 (right front of eng compt)
• Hot at all times
• Hot in off, run bulb test, or start
• Hot in run, bulb test, or start
• Hot in start
• Iac control
• Icm module bypass
• Idle air control (iac) valve (front of eng)
• Ignition ctrl in
• Ignition ctrl ref hi
• Ignition ctrl ref lo
• Ignition feed
• Instrument cluster system
• Intake air temperature (iat) sensor (left rear of eng compt)
• Maf sensor in
• Mass air flow sensor (left front of eng compt)
• Mil lamp control
• Nca
• Oil level input
• Oil pressure input
• Pcm batt fuse 10a
• Pcm fuse 10a
• Pcm ground
• Pnk
• Power (battery)
• Power (ignition)
• Powertrain control module (right front of i/p)
• Prndl fuse 10a
• Red
• S171
• S172
• S173 (engine harness, near breakout to blower motor resistor)
• S195
• S213
• S278 (engine harness, near bulkhead connector)
• S391
• Tan
• Tcc enable sol ctrl
• Tcc solenoid ctrl
• Trans range sw 'a'
• Trans range sw parity
• Vehicle speed sensor (right rear of eng)
• Vss in
• Vss out-4000 ppm
• Vss return

3.1L (VIN M), Engine Performance Wiring Diagrams (2 of 3) for Buick Skylark Gran Sport 1997

List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (2 of 3) for Buick Skylark Gran Sport 1997:

• (buick/olds)
• (engine harness, near breakout to blower motor resistor)
• (engine harness, near breakout to right bulk- head connector)
• (left rear of eng compt) ignition control module
• (pontiac)
• (right front of eng compt)
• Brake switch (below steering column)
• C1 c1
• Crankshaft position sensor (7x) (right front side of eng)
• Cruise control brake switch (below steering column)
• D9 d8
• Engine compartment fuse center
• Engine coolant temperature sensor (left rear of eng)
• Erls fuse 20a
• Exhaust gas recirc- ulation valve (right front of eng compt)
• F/p-injr fuse 20a
• Fuel pump
• Fuel pump relay (right rear of eng compt)
• Fuel tank module (below rear of vehicle)
• G101
• G101 (right front of eng compt)
• G303 (below right rear seat)
• Hot in run, bulb test or start
• Ign mod fuse 20a
• Ignition amplifier and switching module
• Instrument cluster
• Malfunction indicator lamp
• Micro- processor
• Plugs spark
• Pnk
• S106
• S109
• S119
• S171
• S174
• S331
• Spark plugs
• Tan
• Throttle position sensor (throttle assembly)
• Transaxle range switch (left rear of eng compt)
• W/ cruise control
• W/o cruise control

3.1L (VIN M), Engine Performance Wiring Diagrams (3 of 3) for Buick Skylark Gran Sport 1997

List of elements for 3.1L (VIN M), Engine Performance Wiring Diagrams (3 of 3) for Buick Skylark Gran Sport 1997:

• (injector harn, 16 cm from 10-pin black connector, next to generator)
• 1-2 shift solenoid
• 2-3 shift solenoid
• A/c press sens in
• A/c refrigerant pressure sensor (right front of eng compt)
• Auto transaxle fluid temperature sensor
• Cruise control system
• Cruise inhibit out
• Ect sensor in
• Evap vent input
• Front heated oxygen sensor (rear of engine, in exhaust manifold)
• 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 injectors
• Fuel tank pressure in
• Fuel tank pressure sensor (front of fuel tank)
• Fuse block
• G101 (right front of eng compt)
• G116 (left rear of eng compt)
• Gen out signal in
• Generator
• Generator monitor
• Ho2s 1 hi in
• Ho2s 1 low in
• Ho2s 2 hi in
• Ho2s 2 low in
• Hot in run
• Iat sensor in
• Knock sens in
• Knock sensor (left rear of eng)
• Linear egr pos sens in
• Manifold absolute pressure sensor (top front of engine)
• Map sensor in
• Nca
• O2 fuse 10a
• Pcm ground
• Pnk
• Powertrain control module (right front of i/p)
• Rear heated oxygen sensor (in exhaust pipe, behind catalyst)
• Red
• S140
• S161
• S303
• S440
• Tan
• Tcc pwm solenoid
• Tcc solenoid
• Tp sensor in
• Trans range sw 'b' in
• Trans range sw 'c' in
• Trans shift sol 'a'
• Trans shift sol 'b'
• Trans temp sens in
• Transaxle