ENGINE PERFORMANCE – Oldsmobile Alero GX 1999 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.4L

2.4L VIN T, Engine Performance Wiring Diagrams (1 of 3) for Oldsmobile Alero GX 1999

List of elements for 2.4L VIN T, Engine Performance Wiring Diagrams (1 of 3) for Oldsmobile Alero GX 1999:

• (below dash, left of steering column) data link connector
• (below left front seat)
• (w/ rc9)
• (w/o rc9)
• 5v ref
• A/c pres
• A/c refrigerant pressure sensor (front of eng compt)
• A/t iss sen hi
• B12
• Battery
• C2 a
• Ckp ref
• Cmp sens
• Cruise control brake switch (below left side of dash)
• Cruise control system
• Cruise fuse 10a
• Ect sensor
• Egr valve
• Engine oil pressure sensor (top right rear of eng)
• Fuel level in
• Fuel pump motor
• Fuel tank module (in fuel tank)
• Fuel tank pres
• Fuel tank pressure sensor (under rear of vehicle)
• G114 (left rear of eng)
• G300
• Gen term f
• Gen term l
• Generator
• Hot at all times
• Hot in acc, run or start
• Hot in run
• Hot in run or start
• Ign
• Ign ctrl 1-4
• Ign ctrl 2-3
• Inj 1
• Inj 2
• Instrument custer system
• Knock sensor (w/ rc9) (right rear side of eng)
• Knock sensor (w/o rc9) (right rear side of eng)
• Ks ref lo
• Ks signal
• Left i/p junction block
• Map sensor
• Nca
• Oil pres
• Pcm acc fuse 10a
• Pcm batt fuse 10a
• Pcm gnd
• Pcm ground
• Pcm/ign fuse 10a
• Pnk
• Powertrain control control (below left side of dash, near steering coumn)
• Red
• Right i/p junction block
• Serial data
• Tcc bk sw
• Tft sensor sig
• Throttle position sensor (on throttle body assembly)
• Tp sensor
• Tr sw a
• Tr sw input b
• Tr sw input c
• Tr sw input p
• Trans range a
• Trans range b
• Trans range c
• Transaxle range switch (left front top of transaxle)
• Under- hood junction block
• Vss high

2.4L VIN T, Engine Performance Wiring Diagrams (2 of 3) for Oldsmobile Alero GX 1999

List of elements for 2.4L VIN T, Engine Performance Wiring Diagrams (2 of 3) for Oldsmobile Alero GX 1999:

• (left rear of eng)
• 1-2 shift solenoid valve
• 1-4 coil ctrl
• 2-3 coil ctrl
• 2-3 shift solenoid valve
• A pnk
• Auto tran fuse 10a
• Auto- matic input shaft speed sensor
• Automatic transaxle
• Automatic transaxle temperarture sensor
• B10
• Ckp gnd
• Ckp sig
• Coil pos
• Crankshaft position sensor (lower left side of eng, near oil filter)
• D,2,1 sw
• Dr sw
• Engine coolant temperature sensor (right rear of eng)
• F/p injr fuse 15a
• Fuel injectors
• Fuel pump relay
• G114
• Gnd
• Hot in run or start
• Ic input 1-4
• Ic input 2-3
• Ign
• Ign mod fuse 10a
• Ignition coils
• Ignition control module (top right rear of eng)
• Left i/p junc- tion block
• Lo sw
• Nca
• P,r,n,d4 sw
• Pnk
• Pressure control solenoid valve
• Red
• Ref low
• Ref sig
• Rev sw
• Tan
• Tcc sw
• To spark plugs
• Torque converter clutch pwm solenoid valve
• Underhood junction block
• Vehicle speed sensor (at rear of eng/ transaxle)

2.4L VIN T, Engine Performance Wiring Diagrams (3 of 3) for Oldsmobile Alero GX 1999

List of elements for 2.4L VIN T, Engine Performance Wiring Diagrams (3 of 3) for Oldsmobile Alero GX 1999:

• (olds)
• (pontiac)
• 1-2 ss valve
• 2-3 ss valve
• A/ pres +5v
• A/c clutch rly
• A/c system
• A/t iss sen lo
• C11
• Camshaft position sensor (top left side of eng)
• Cmp sens b+
• Cmp sens gnd
• Cooling fans system
• Cruise control system
• Cruise diable
• Cruise engaged
• Ect sens
• Egr pintle pos
• Egr vlv
• Egr vlv +5v
• Erls fuse 10a
• Evap can vnt
• Evap canp
• Evaporative emission canister purge valve (lower left front of eng)
• Evaporative emission canister vent solenoid (under rear of vehicle)
• Exhaust gas recirculation (egr) valve solenoid (top left rear of eng)
• Fuel pump rly
• G114 (left rear of eng)
• G301 (below right front seat)
• Hot in run
• 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 (left side of eng)
• Ign
• Inj 3 driver
• Inj 4 driver
• Instrument cluster
• Intake air temperature sensor (top rear of eng)
• Left fan ctrl
• Left i/p junction block c3
• Malfunction indicator lamp
• Manifold absolute pressure sensor (left side of eng)
• Map sens +5v
• Map sensor
• Mil ctrl
• Nca
• Pc sol val ctrl
• Pcm gnd
• Post conv o2
• Post- converter heated oxygen sensor no2 (near twc catalyst outlet)
• Powertrain control module (below left side of dash, near steering column)
• Pre conv o2
• Pre conv o2 lo
• Pre- converter oxygen sensor no1 (in exhaust manifold)
• Red
• Red c
• Right fan ctrl
• Sensor gnd
• Tan
• Tan a
• Tan b
• Tcc pwm sol
• Tcc release sw
• Tp sens +5v
• Underhood junction block
• Vss low
• Vss out

3.4L

3.4L VIN E, Engine Performance Wiring Diagrams (1 of 3) for Oldsmobile Alero GX 1999

List of elements for 3.4L VIN E, Engine Performance Wiring Diagrams (1 of 3) for Oldsmobile Alero GX 1999:

• (2000 calif)
• (below left front seat)
• (below dash, left of steering column)
• 1-2 ss ctrl
• 2-3 ss ctrl
• 3x ref hi
• 3x ref lo
• 5 volt ref a
• A/t iss hi
• A/t iss lo
• Air vlv ctrl
• B12
• Battery
• Bypass ctrl
• Ckp sen sig
• Cmp sens
• Cooling fans system
• Cruise control brake switch (below left side of dash)
• Cruise control system
• Cruise disable
• Cruise fuse 10a
• Data link connector
• Egr val ctrl
• Evap purge
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 5
• Fuel inj 6
• Fuel injectors
• Fuel pump motor
• Fuel tank module (in fuel tank)
• G114 (left rear of eng)
• G300
• Ho2s 1 lo
• Ho2s 2 lo
• Hot at all times
• Hot in acc, run or start
• Hot in run
• Hot in run or start
• Iac coil b hi
• Ic ctrl
• Ign
• Instrument custer system
• Knock sensor (lower left side of eng)
• Ks signal
• Left fan ctrl
• Left i/p junction block
• Maf sen sig
• Mass airflow flow sensor (top rear of eng)
• Pcm acc fuse 10a
• Pcm batt fuse 10a
• Pcm gnd
• Pcm ground
• Pcm/ign fuse 10a
• Pnk
• Pnk c
• Powertrain control module (below left side of dash, near steering column)
• Right fan ctrl
• Right i/p junction block
• S101
• Sen gnd
• Serial data
• Tan
• Tcc bk sw
• Tft sen lo
• Tr sw input b
• Tran range a
• Transaxle range switch (on left front top of transaxle)
• Under- hood junction block
• Vehicle speed sensor (at rear of engine/transaxle)
• Vss hi
• Vss lo
• Vss out

3.4L VIN E, Engine Performance Wiring Diagrams (2 of 3) for Oldsmobile Alero GX 1999

List of elements for 3.4L VIN E, Engine Performance Wiring Diagrams (2 of 3) for Oldsmobile Alero GX 1999:

• (left rear of engine)
• (left side of engine)
• 1-2 shift solenoid valve
• 2-3 shift solenoid valve
• 3x ref hi
• 3x ref lo
• 7x ref hi
• 7x ref lo
• A pnk
• A/c refrigerant pressure sensor (front of eng compt)
• Auto tran fuse 10a
• Auto- matic input shaft speed sensor
• Automatic transaxle
• Automatic transaxle temperarture sensor
• B10
• Bypass ctrl
• Crankshaft position sensor (7x) (lower right side of eng)
• D,2,1 sw
• Dr sw
• Engine coolant temperature sensor (top left rear of eng)
• Engine oil level switch (at rear of eng)
• Engine oil pressure sensor (lower left side of eng)
• F/p injr fuse 15a
• Fuel pump relay
• G112
• G114
• G117 (right rear of eng)
• Gnd
• Hot in run or start
• Ic ctrl
• Ign
• Ign mod fuse 10a
• Ignition control module (top right rear of eng)
• Intake air temperature sensor (at left side of eng)
• Left i/p junction block c3
• Lo sw
• Manifold absolute pressure sensor (top right side of eng)
• P,r,n,d4 sw
• Pnk
• Pressure control solenoid valve
• Red
• Rev sw
• S901
• Tan
• Tan b
• Tcc sw
• Torque converter clutch pwm solenoid valve
• Underhood junction block

3.4L VIN E, Engine Performance Wiring Diagrams (3 of 3) for Oldsmobile Alero GX 1999

List of elements for 3.4L VIN E, Engine Performance Wiring Diagrams (3 of 3) for Oldsmobile Alero GX 1999:

• (2000 calif)
• (near twc catalyst outlet) post converter heated oxygen sensor 2
• (olds)
• (pontiac)
• (right exhaust manifold) pre-converter heated oxygen sensor 1
• (right side of dash)
• (top rear of eng) idle air control valve
• (top right rear of eng) exhaust gas recirculation valve solenoid
• 24x ck sen gnd
• 5 volt ref a
• 5 volt ref b
• A/c comp rly
• A/c refrig press
• A/c system
• Air pump (2000 calif)
• Air pump fuse 30a
• Air pump relay (2000 calif)
• Air relay ctrl
• Air solenoid valve (2000 california)
• Auto trans fuse 15a
• B8 b6
• C11
• Camshaft position sensor (front top of eng)
• Cmp sens b+
• Cmp sens gnd
• Crankshaft position sensor (24x) (left front of eng)
• Cruise control system
• Cruise engage in
• Ect sen sig
• Egr val ign +
• Eng oil level sw
• Eng oil press in
• Erls fuse 10a
• Evap can vent
• Evaporative emission canister purge valve (top right side of eng)
• Evaporative emission canister vent solenoid (under rear of vehicle)
• Fuel inj 4
• Fuel level in
• Fuel pump rly
• Fuel tank press
• Fuel tank pressure sensor (under rear of vehicle)
• G201
• Gen term "e" in
• Gen term l out
• Generator
• Ho2s 1 sig
• Ho2s 2 sig
• Hot in run
• Hot in run or start
• Iac coil a hi
• Iac coil a lo
• Iac coil b lo
• Iat sen sig
• Iat sens
• Ign
• Ign + volt
• Instrument cluster
• Left i/p junction c3 block
• Malfunction indicator lamp
• Map sen sig
• Mil ctrl
• Nca
• Pc sol val ctrl
• Pnk
• Pnk a
• Powertrain control module (below left side of dash, near steering column)
• Red
• Red l
• Sen gnd
• Tan
• Tcc pwm sol ctrl
• Tcc release sw
• Tft sens sig
• Throttle position sensor (on throttle body)
• Tp sen in
• Tr sw c in
• Tr sw d in
• Trans range a
• Trans range b
• Trans range c
• Underhood junction block