ENGINE PERFORMANCE – Pontiac Firebird 2001 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.8L

3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Pontiac Firebird 2001

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Pontiac Firebird 2001:

• (front of engine) g125
• (left side of cyl block) knock sensor (ks) bank 1
• 1-2 shift sol control
• 18x ref
• 18x reference
• 2-3 shift sol control
• 2nd gear ind ctrl
• 3x ref
• 3x reference
• Bank 1 ks input
• Bank 2 ks input
• Battery
• Body control module
• Bypass
• Ckp 18x sig
• Ckp sync sig
• Cmp input
• Cmp output
• Cmp signal
• Cooling fan system
• Cruise module, radio & inst cluster
• Data link connector (under dash, to the right of steering column)
• Ect sensor ground
• Egr control ground
• Egr pos sensor ground
• Electronic brake & traction control module
• Electronic ignition control module (icm) (at front end of left cylinder head)
• Eng ctrl fuse 15a
• Evap purge valve cont
• Evaporative emissions (evap) canister purge solenoid (right front of eng, next to inj 2)
• Fuel inj 1 control
• Fuel inj 2 control
• Fuel inj 4 control
• Fuel inj 5 control
• Fuel inj 6 control
• G114 (rear of left cylinder head)
• G125 (front of engine)
• Ground
• Hi speed cool fan cont
• Ho2s 1 low
• Ho2s 2 low
• Hot at all times
• Hot in run & start
• Hot in run, bulb test & start
• Iat sensor ground
• Ign
• Ign control
• Ign voltage
• Ignition
• Ignition control
• Knock sensor (ks) bank 2 (right side of cyl block)
• Lo speed cool fan cont
• Maf sensor input
• Map sensor ground
• Mass airflow (maf) sensor (in air duct, front of int manifold)
• Pcm batt fuse 10a
• Pcm ground
• Pcm ign fuse 15a
• Pnk
• Pnk a
• Powertrain control module (pcm) (in eng compt, behind right strut tower)
• Ref low
• Reference low
• Requested torque in
• S101
• S107
• S108
• S110
• S182
• Serial data (class 2)
• Signal
• Splice pack sp200
• Stoplamp switch (on brake pedal support) c2
• Tac serial data
• Tan
• Tcc switch input
• Theft deter fuel enable
• Trans range a input
• Underhood fuse block (bottom)
• Underhood fuse block (top)
• Vehicle speed sensor (vss) (on rear side of transmission)
• Vss high
• Vss low
• Vss output

3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Pontiac Firebird 2001

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Pontiac Firebird 2001:

• (eng harn, approx 2 cm from inj 3 breakout)
• (under console near
• 1-2 shift sol
• 2-3 shift sol
• 2nd gear ind
• 3-2 shift sol
• A/t fluid pressure manual valve position switch
• A/t fluid temp sensor
• All times
• Automatic transaxle
• B pnk
• Camshaft position sensor (cmp) (engine front cover)
• Control solenoid
• Crankshaft position sensor (ckp) (lower front of eng)
• Fuel injectors
• G125 (front of eng)
• G125 (front of engine)
• Gauge fuse 9 20a
• Hot at
• Hot in run
• Hot in run, bulb test & start
• I/p fuse block
• Inj 1 fuse 15a
• Pnk
• Pressure a
• Red
• Rev
• S102 pnk
• S144 (eng harn, approx 4 cm from inj 3 breakout)
• S145
• S154
• S206
• S215
• S234 (i/p harn, 5 cm from bcm breakout)
• Second gear start switch
• Shift control lever) park/neutral position (pnp) switch
• Stop/ hazard fuse 1 20a
• Stoplamp switch (on brake pedal bracket)
• Tan
• Tcc pwm sol
• Tcc sol
• Underhood fuse block (bottom)

3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Pontiac Firebird 2001

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Pontiac Firebird 2001:

• (eng harn, approx 3 cm from inj 5 breakout)
• (eng harn, approx 8 cm from pcm breakout)
• (front of engine)
• (i/p harn, coupe: 40 cm conv: 46 cm from i/p pass through in-line connector that is forward of rear axle)
• (on air intake duct, forward of intake manifold) intake air temperature (iat) sensor
• (top right of engine) evaporative emissions canister vent solenoid
• 5v ref
• A10
• B10
• Brake sw
• Cruise control system
• Etc fuse 10a
• Exhaust gas recirculation (egr) valve (left front of engine)
• Fuel level sensor
• Fuel pump
• Fuel pump fuse 20a
• Fuel pump relay
• Fuel tank pressure sensor
• Fuel tank unit
• Fused input
• G125
• G125 (front of engine)
• G309 (left door sill)
• Ground
• Hot at all times
• Hot in run, bulb test & start
• Manifold absolute pressure (map) sensor (right side of intake manifold)
• Motor driver
• Nca
• On/off
• Pnk
• Red
• Res/acc
• S101
• S117
• S121
• S171
• S244
• Set/coast sig
• Tac ser data
• Tan
• Tcs batt fuse 20a
• Throttle actuator control
• Throttle actuator control module (on accelerator pedal bracket)
• Tp sens 1
• Tps 2 gnd
• Tps 2 sig
• Tps1 gnd
• Under- hood fuse block (bottom)
• Under- hood fuse block (top)

3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Pontiac Firebird 2001

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Pontiac Firebird 2001:

• (front of engine)
• (front of engine) g125
• 2nd gear start sig
• 3-2 sol control
• 5 volt reference a
• 5 volt reference b
• A/c comp relay control
• A/c ref press sensor in
• A/c refrigerent pressure sensor (above right front wheelwell, attached to refrigerent line)
• A/c request
• A/c system
• A/t fluid temp input
• Body control module
• Charging system
• Clutch anticipate sig
• Clutch pedal position switch (on clutch pedal bracket)
• Cruise control system
• Cruise ctrl release sig
• Delivered torque out
• Ect sensor input
• Egr pintel position input
• Egr valve control
• Electronic brake & traction control module
• Eng oil level sw input
• Eng sen fuse 20a
• Eng speed out
• Engine coolant temperature (ect) sensor (below throttle body, at front of eng)
• Engine oil level switch (in left side of oil pan)
• Evap solenoid control
• Fuel inj 3 control
• Fuel level input
• Fuel pump relay control
• Fuel tank press sensor
• G114 (rear of left cylinder head)
• G125
• Gauges fuse 9 10a
• Gen term l control
• Heated oxygen sensor bank 1 sensor 1 (on left exhaust manifold)
• Heated oxygen sensor bank 2 sensor 1 (on right exhaust manifold)
• Heated oxygen sensor bank sensor 3 (rear of cat converter)
• Ho2s 1 input
• Ho2s 2 input
• Hot in run, bulb test & start
• Hot in start
• I/p fuse block
• Iat sensor input
• Ignition
• Instrument panel cluster
• Map sensor input
• Mil control
• Mil ind
• Nca
• Pnk
• Powertrain control module (pcm) (in eng compt, behind right strut tower)
• Press sol high control
• Press sol low control
• Red
• S104
• S108
• S110
• S111
• S170
• S206
• Sensor ground
• Starter enable signal
• Strtr fuse 15a
• Tan
• Tcc pwm sol control
• Tcc sol control
• Trans range b input
• Trans range c input
• Trans range sw p input
• Underhood fuse block (bottom)

5.7L

5.7L VIN G, Engine Performance Wiring Diagrams (1 of 4) for Pontiac Firebird 2001

List of elements for 5.7L VIN G, Engine Performance Wiring Diagrams (1 of 4) for Pontiac Firebird 2001:

• (587)
• (eng harn, a/t: approx 8 cm from a/t breakout, m/t: approx 9 cm from vss breakout)
• (eng harn, approx 15 cm from map sensor breakout)
• (eng harn, approx 9 cm from map sensor breakout) s116
• (pin 13-16 not used)
• (pin 38-39 not used)
• (pin 49-50 not used)
• (pin 5-7 not used)
• (pin 62-64 not used)
• (pin 9-10 not used)
• (rear of left cylinder head) g114
• 5v feed
• A/c refrig press 5v ref
• A/c system
• Anti-lock brakes system
• Bank 1 left front heated oxygen sensor (in left exhaust manifold)
• Bank 1 left rear heated oxygen sensor (rear of left catalytic converter)
• Bank 1 lf ho2s hi
• Bank 1 lf ho2s lo
• Bank 1 lr ho2s hi
• Bank 1 lr ho2s lo
• Bank 2 rf ho2s hi
• Bank 2 rf ho2s lo
• Bank 2 rr ho2s hi
• Bank 2 rr ho2s lo
• Batt
• Camshaft position sensor (top center rear of eng)
• Ckp sen sig
• Clutch anticipate sw sig
• Clutch pedal position switch (on clutch pedal bracket)
• Cmp sen sig in
• Cooling fan 1 rly ctrl
• Cooling fans system
• Crankshaft position sensor (right rear of eng, behind starter)
• Data link connector (under dash, right of steering column)
• Ect sen gnd
• Ect sen sig
• Egr sen gnd
• Egr sig
• Engine coolant temperature sensor (left side of eng, above generator)
• Front ks sig
• Fuel gnd
• Fuel inj driver no1
• Fuel inj driver no2
• Fuel inj driver no3
• Fuel inj driver no4
• Fuel inj driver no5
• Fuel inj driver no6
• Fuel inj driver no7
• Fuel inj driver no8
• Fuel injectors
• Hot in run, bulb test & start
• Hot in run, bulb test or start
• Ign
• Ign feed
• Inj1 fuse 15a
• Inj2 fuse 15a
• Knock sensor (center of eng, below manifold)
• Manifold absolute pressure sensor (rear of intake manifold)
• Map 5v ref
• Map sen gnd
• Nca
• Oil level switch in
• Pcm bat fuse 10a
• Pcm gnd
• Pcm ign fuse 15a
• Pnk
• Pnk a
• Pnk d
• Pnk s102
• Pnp sw sig
• Powertrain control module (in eng compt, behind right strut tower)
• Rear ks sig
• Red
• Red c
• Ref low
• S106
• S109
• S110
• S118
• S119
• S215
• Sen gnd
• Serial data
• Skip shift sol ctrl (m/t) 3-2 ss valve ctrl (a/t)
• Splice pack sp200
• Tan
• Tcc/cruise brake sw in
• Throttle position sensor (on throttle body)
• Tps 5v ref
• Trans range "b" in
• Trans range "c" in
• Under- hood fuse block (top)
• Underhood fuse block (bottom)

5.7L VIN G, Engine Performance Wiring Diagrams (2 of 4) for Pontiac Firebird 2001

List of elements for 5.7L VIN G, Engine Performance Wiring Diagrams (2 of 4) for Pontiac Firebird 2001:

• (on brake pedal bracket) stoplamp switch
• (top left side of radiator support)
• 1-2 shift solenoid
• 2-3 shift solenoid
• 3-2 shift solenoid
• A/t
• Air pump relay
• Automatic transmission
• Automatic transmission fluid pressure
• B pnk
• Bank 2 right front heated oxygen sensor (in right exhaust manifold)
• Bank 2 right rear heated oxygen sensor (rear of right catalytic converter)
• D2 sw
• D3 sw
• D4 sw
• Eng sen fuse 20a
• G108
• G114 (rear of left cylinder head)
• Hot w/ ign 1 relay energized
• Lo sw
• M/t
• Manual transmission
• Manual valve position switch
• Mass airflow sensor (in air duct, in front of intake manifold)
• Nca
• Pessure control solenoid valve
• Pnk
• Red
• Red a
• Rev sw
• Reverse inhibit solenoid
• S104
• S108
• S110
• S177
• Secondary air injection bypass valve (on right front frame rail)
• Secondary air injection pump (on right front frame rail)
• Skip shift solenoid
• Tan
• Tcc pwm solenoid
• Tcc solenoid
• Transmission fluid temp sensor
• Underhood fuse block (bottom)

5.7L VIN G, Engine Performance Wiring Diagrams (3 of 4) for Pontiac Firebird 2001

List of elements for 5.7L VIN G, Engine Performance Wiring Diagrams (3 of 4) for Pontiac Firebird 2001:

• (eng jumper harn)
• (i/p harn, 5 cm from bcm breakout)
• (rear of left cylinder head)
• A10
• Air pump fuse 30a
• B10
• Engine oil level switch (in side of oil pan)
• Exhaust gas recirculation valve (2000) (upper right front corner of eng)
• Fuel level sensor
• Fuel pump
• Fuel pump fuse 20a
• Fuel pump relay
• Fuel tank pressure sensor
• Fuel tank unit
• G114
• G114 (rear of left cylinder head)
• G316 (left door sill)
• Gnd
• Hot at all times
• Ign
• Ign ctrl sig
• Ignition coil/ module (at top of cylinder)
• Nca
• Park/neutral position switch (under console, near shift control lever)
• Plug spark
• Pnk
• Red
• Red e
• Ref lo
• S100
• S110
• S122
• S123
• S126
• S234
• S244 (i/p harn, near dash pass- through in-line connector)
• Spark plug
• Underhood fuse block (bottom)
• Underhood fuse block (top)

5.7L VIN G, Engine Performance Wiring Diagrams (4 of 4) for Pontiac Firebird 2001

List of elements for 5.7L VIN G, Engine Performance Wiring Diagrams (4 of 4) for Pontiac Firebird 2001:

• (eng jumper harn)
• (left side of eng, on intake manifold)
• (mil)
• (pin 11-12 not used)
• (pin 22-23 not used)
• (pin 55-56 not used)
• (pin 58-59 not used)
• (pin 70-75 not used)
• (rear side of transmission) vehicle speed sensor
• (under floor pan, fwd of fuel tank) evaporative emission canister vent solenoid
• (w/ traction control only)
• 1-3 ss valve ctrl
• 2-3 ss valve ctrl
• A pnk
• A/c clutch rly ctrl
• A/c clutch status
• A/c refrig press sen sig
• A/c request
• A/c system
• Air bypass vlv ctrl
• Air pump rly ctrl
• Anti-lock brake system
• Anti-lock brakes system
• Anti-theft system
• Cool fans 2 & 3 rly ctrl
• Cooling fans system
• Cruise control system
• Cruise control, sound (camaro) & instrument cluster systems
• Cruise ctrl enable sig
• Cruise ctrl inhibit
• Egr valve ctrl
• Egr valve gnd
• Eng ctrl fuse 15a
• Evap can purge valve ctrl
• Evap can vent valve ctrl
• Evaporative emission canister purge solenoid
• Fuel level in
• Fuel pump rly ctrl
• Fuel tank pressure
• G114 (rear of left cylinder head)
• Generator term "l" out
• Gnd
• Hot w/ ign 1 relay energized
• Iac coil "a" hi
• Iac coil "a" lo
• Iac coil "b" hi
• Iac coil "b" lo
• Iat sen in
• Idle air control valve (on throttle body)
• Ign
• Ign ctrl no1
• Ign ctrl no2
• Ign ctrl no3
• Ign ctrl no4
• Ign ctrl no5
• Ign ctrl no6
• Ign ctrl no7
• Ign ctrl no8
• Ign ctrl sig
• Ign feed
• Ignition coil/ module (at top of cylinder)
• Instrument panel cluster
• Intake air temperature sensor (on air intake duct, fwd of intake manifold)
• Maf sen sig
• Malfunction indicator lamp
• Map sen sig
• Mil ctrl
• Nca
• Pc sol valve hi
• Pc sol valve lo
• Plug spark
• Pnk
• Powertrain control module (in eng compt, behind right strut tower)
• Red
• Ref lo
• Ref low
• Reverse inhibit sol ctrl
• S107
• S110
• S124
• S125
• S127
• S128
• S182
• S215
• Sen gnd
• Spark plug
• Starting/ charging system
• Tach out
• Tan
• Tcc pwm sol valve ctrl
• Tcc sol valve ctrl
• Tcs spark retard sig
• Tft sen sig
• Theft deter fuel enable
• Tp sen sig
• Trans range "a" in
• Under- hood fuse block (bottom)
• Vss hi
• Vss lo
• Vss out