ENGINE PERFORMANCE – Chevrolet Corvette 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

5.7L VIN G

5.7L VIN G, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Corvette 2004

List of elements for 5.7L VIN G, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Corvette 2004:

• (center of eng, below intake manifold)
• (on left side of engine) g105
• (right side of eng, above starter)
• 3-2 shift sol (a/t) 2-3 gear block out (m/t)
• 587 (or 687)
• A/c refrig press sen 5v ref
• Anti-lock brake system
• Ckp sen b+
• Ckp sen gnd
• Ckp sen sig
• Clutch sw
• Cmp sen gnd
• Cmp sen sig
• Computer data lines system
• Cooling fans system
• Ect sen gnd
• Ect sen sig
• Electronic suspension system
• Eng cool fan rly 1
• Eng oil press sen 5v ref
• Eng oil press sen gnd
• Engine oil level switch (on right side of oil pan)
• Extended travel brake sw
• F11
• Fuel inj n04
• Fuel inj n06
• Fuel inj n07
• Fuel inj no1
• Fuel inj no2
• Fuel inj no3
• Fuel inj no5
• Fuel inj no8
• Fuel injectors
• Fuel tank press 5v ref
• G106
• Ground
• Heated oxygen sensor, front (lf) b1s1 (on left exhaust manifold)
• Heated oxygen sensor, front (rf) b2s1 (in right exhaust manifold)
• Heated oxygen sensor, rear (lr) b1s2 (rear of catalytic converter)
• Heated oxygen sensor, rear (rr) b2s2 (rear of catalytic converter)
• Ho2s sig hi bank 1 sen1
• Ho2s sig hi bank1 sen1
• Ho2s sig hi bank2 sen1
• Ho2s sig hi bank2 sen2
• Ho2s sig lo bank1 sen1
• Ho2s sig lo bank1 sen2
• Ho2s sig lo bank2 sen1
• Ho2s sig lo bank2 sen2
• Hot at all times
• Hot in run
• Hot in run or start
• Hot in run, bulb test or start
• Injr1 fuse 22 15a
• Injr2 fuse 18 15a
• Knock sen sig front
• Knock sen sig rear
• Knock sensor
• Lift/dive signal
• Low oil level sw
• Map sen 5v ref
• Map sen gnd
• Nca
• Oxy sen fuse 15 15a
• Pcm b fuse 10a
• Pcm fuse 10a
• Pcm gnd
• Pcm ign suply
• Pnk
• Powertrain control module (behind right front fender)
• Prnd a
• Prnd b
• Prnd p
• Red
• Request torque sig
• S110
• S112
• S120
• Sen gnd
• Serial data
• Tan
• Tcc brake sw
• Throt act ctrl serial data
• To powertrain control module (diagram 4 of 4)
• Tr sig b
• Tr sig c
• Trans temp sen gnd
• Underhood fuse block

5.7L VIN G, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Corvette 2004

List of elements for 5.7L VIN G, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Corvette 2004:

• (below battery tray)
• (in fuel tank jumper harn, 81.5cm from c408 breakout)
• (in right fuel tank harn, 22.5 cm from breakout to c414)
• (lower right side of eng) crankshaft position sensor
• (on left side of transmission) reverse inhibit solenoid
• (top center rear of eng) camshaft position sensor
• (transmission harn, 6.5 cm from c402 breakout)
• (under vehicle, on left side of transmission) skip shift solenoid
• 1-2 shift solenoid
• 10a
• 2-3 shift solenoid
• 3-2 shift solenoid
• A red
• A/t
• A12
• Air pmp fuse 50 20a
• Air pump relay
• Automatic trans- mission
• Automatic transmission fluid pressure manual valve position switch
• Automatic transmission fluid temp sensor
• B pnk
• B pnk (m/t)
• Cruise control release switch (on bracket, front of brake pedal)
• D10
• D2 sw
• D3 sw
• D4 sw
• E12
• Eng ign1 fuse 19
• F/pmp fuse 13 20a
• F12
• Fuel pump and sender assembly (in left fuel tank)
• Fuel pump relay
• G102 (on top of right frame rail, behind right headlight)
• G104
• G105 (on left rear side of eng)
• G401 (at rear of vehicle, on inner side of left frame rail)
• Hot at all times
• Hot in run or start
• Hot with ign1 relay energized
• Lo sw
• M/t
• Park/ neutral position & back-up lamp switch (on left side of transmission)
• Pessure control solenoid valve
• Pnk
• Pnk (m/t)
• Red
• Rev sw
• Right fuel level sensor (in right fuel tank)
• S112
• S400
• S408
• S410
• S412
• Second- ary air injection solenoid (above pcm)
• Secondary air injection pump (left front of eng compt, on skid bar)
• Sp 100 (in forward light harn, at breakout to right headlight opening door connector)
• Sp 208 (right side of dash)
• Tan
• Tcc pwm solenoid
• Tcc solenoid
• Trans- mission fluid temp sensor (z06)
• Underhood fuse block
• Z06

5.7L VIN G, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Corvette 2004

List of elements for 5.7L VIN G, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Corvette 2004:

• (attached to pcm below battery) throttle actuator control module
• (left ign ctrl mod jumper, 4 cm from breakout to ign ctrl/coil mod 5)
• (left ign ctrl mod jumper, 5cm from breakout to c109)
• (mil)
• (on left side of throttle body) throttle actuator control motor
• (on right side of throttle body) throttle position sensor
• (on top of accelerator pedal) accelerator pedal position sensor
• (right side of eng, above starter)
• (top left rear of engine)
• A/c refrigerant pressure sensor (on a/c high pressure line)
• Act ctrl no1
• Act ctrl no2
• App no1 5v
• App no1 sig
• App no2 5v
• App no2 gnd
• App no2 sig
• App no3 5v
• App no3 gnd
• App no3 sig
• B16
• Cruise control system
• Engine coolant temperature sensor (left side of of eng, below generator)
• Engine oil pressure sensor (on top center rear of eng)
• Evaporative emission canister purge solenoid (top left side of eng, on intake manifold)
• Extended brake tra
• Exterior lights system
• Fuse 17 15a b
• Fuse 8 20a b
• G106
• G107
• Gnd
• Hot at all times
• Hot with ign relay energized (in run or start)
• I/p fuse block
• Ign
• Ignition coil/module 1 (top of cylinder)
• Ignition coil/module 3 (top of cylinder)
• Ignition coil/module 5 (top of cylinder)
• Ignition coil/module 7 (top of cylinder)
• Instrument panel cluster
• Malfunction indicator lamp
• Manifold absolute pressure sensor (on top rear of intake manifold)
• On/off sig
• Plug spark
• Pnk
• Pnk b
• Pnk d
• Pnk d ign ctrl
• Pp no1 gnd
• Red c ign ctrl
• Ref lo
• Res/acc sig
• S101
• S103
• S105
• S120
• S213
• Set/coast sig
• Spark plug
• Stop lamp switch (on top of brake pedal support) c2
• Stop lamp switch (top of brake pedal support)
• Stop sw sig
• Stp haz a
• Tac serl data
• Tan
• Throt cont a
• Tps no1 5v
• Tps no1 sig
• Tps no2 5v
• Tps no2 gnd
• Tps no2 sig
• Underhood fuse block

5.7L VIN G, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Corvette 2004

List of elements for 5.7L VIN G, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Corvette 2004:

• (inside right rear wheelhouse panel) evaporative emission canister vent solenoid
• (on air intake assembly) mass air flow sensor
• (right ign ctrl mod jumper, 4 cm from breakout to ignition/coil module 4)
• (right ign ctrl mod jumper, 5 cm from breakout to c110)
• (right side of eng, above starter)
• (top left rear of engine)
• 1 to 4 ind
• 1223 (or 375)
• 2-3 ss (or 1-4 lamp ctrl)
• A gnd
• A pnk
• A/c clutch rly ctrl
• A/c refrig press sen sig
• A/c request sig (c60 only)
• A/c status sig
• A/c system
• A/t
• A17
• Air pump rly ctrl
• Air sol rly ctrl
• Alt f terminal
• Alt term l
• Anti-lock brake system
• B ref lo
• B11
• C10
• Cooling fans system
• D ign
• D pnk
• Eng cool fan rly 2&3 ctrl
• Eng oil press sen sig
• Eng speed
• Eng speed (tach) out sig
• Evap can purge valve ctrl
• Evap can vent valve ctrl
• F10
• From heated oxygen sensors (diagram 1 of 4)
• Fuel level sen sig
• Fuel levl sen sig (second)
• Fuel pump rly ctrl
• Fuel tank press sen sig
• Fuel tank pressure sensor (in right fuel tank)
• G106
• G107
• Ho2s htr lo cntl
• Iat sen gnd
• Iat sen sig
• Ign
• Ign ctrl 1
• Ign ctrl 2
• Ign ctrl 3
• Ign ctrl 4
• Ign ctrl 5
• Ign ctrl 6
• Ign ctrl 7
• Ign ctrl 8
• Ign ctrl ref low bank 1
• Ign ctrl ref low bank 2
• Ignition coil/module 2 (top of cylinder)
• Ignition coil/module 4 (top of cylinder)
• Ignition coil/module 6 (top of cylinder)
• Ignition coil/module 8 (top of cylinder)
• Instrument panel cluster
• Low ref
• M/t
• Maf sen sig
• Map sen sig
• Mil ctrl
• Pcm gnd
• Plug spark
• Pnk
• Powertrain control module (behind right front fender)
• Prnd c
• Red
• Red c ign ctrl
• Reverse inhibit sol ctrl
• S100
• S102
• S104
• S120
• Spark plug
• Starting/ charging system
• Tan
• Tcc ctrl sol
• Tcc enable circuit
• Torque delivered
• Tr shift sol a
• Tr sig a
• Tran temp sen sig
• Trans fluid press ctrl hi
• Trans fluid press ctrl lo
• Underhood fuse block
• Vehicle speed out
• Vehicle speed sensor (on right of differential)
• Vss input
• Vss ref lo
• Vss sig hi

5.7L VIN S

5.7L VIN S, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Corvette 2004

List of elements for 5.7L VIN S, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Corvette 2004:

• (center of eng, below intake manifold)
• (on left side of engine) g105
• (right side of eng, above starter)
• 3-2 shift sol (a/t) 2-3 gear block out (m/t)
• 587 (or 687)
• A/c refrig press sen 5v ref
• Anti-lock brake system
• Ckp sen b+
• Ckp sen gnd
• Ckp sen sig
• Clutch sw
• Cmp sen gnd
• Cmp sen sig
• Computer data lines system
• Cooling fans system
• Ect sen gnd
• Ect sen sig
• Electronic suspension system
• Eng cool fan rly 1
• Eng oil press sen 5v ref
• Eng oil press sen gnd
• Engine oil level switch (on right side of oil pan)
• Extended travel brake sw
• F11
• Fuel inj n04
• Fuel inj n06
• Fuel inj n07
• Fuel inj no1
• Fuel inj no2
• Fuel inj no3
• Fuel inj no5
• Fuel inj no8
• Fuel injectors
• Fuel tank press 5v ref
• G106
• Ground
• Heated oxygen sensor, front (lf) b1s1 (on left exhaust manifold)
• Heated oxygen sensor, front (rf) b2s1 (in right exhaust manifold)
• Heated oxygen sensor, rear (lr) b1s2 (rear of catalytic converter)
• Heated oxygen sensor, rear (rr) b2s2 (rear of catalytic converter)
• Ho2s sig hi bank 1 sen1
• Ho2s sig hi bank1 sen1
• Ho2s sig hi bank2 sen1
• Ho2s sig hi bank2 sen2
• Ho2s sig lo bank1 sen1
• Ho2s sig lo bank1 sen2
• Ho2s sig lo bank2 sen1
• Ho2s sig lo bank2 sen2
• Hot at all times
• Hot in run
• Hot in run or start
• Hot in run, bulb test or start
• Injr1 fuse 22 15a
• Injr2 fuse 18 15a
• Knock sen sig front
• Knock sen sig rear
• Knock sensor
• Lift/dive signal
• Low oil level sw
• Map sen 5v ref
• Map sen gnd
• Nca
• Oxy sen fuse 15 15a
• Pcm b fuse 10a
• Pcm fuse 10a
• Pcm gnd
• Pcm ign suply
• Pnk
• Powertrain control module (behind right front fender)
• Prnd a
• Prnd b
• Prnd p
• Red
• Request torque sig
• S110
• S112
• S120
• Sen gnd
• Serial data
• Tan
• Tcc brake sw
• Throt act ctrl serial data
• To powertrain control module (diagram 4 of 4)
• Tr sig b
• Tr sig c
• Trans temp sen gnd
• Underhood fuse block

5.7L VIN S, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Corvette 2004

List of elements for 5.7L VIN S, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Corvette 2004:

• (below battery tray)
• (in fuel tank jumper harn, 81.5cm from c408 breakout)
• (in right fuel tank harn, 22.5 cm from breakout to c414)
• (lower right side of eng) crankshaft position sensor
• (on left side of transmission) reverse inhibit solenoid
• (top center rear of eng) camshaft position sensor
• (transmission harn, 6.5 cm from c402 breakout)
• (under vehicle, on left side of transmission) skip shift solenoid
• 1-2 shift solenoid
• 10a
• 2-3 shift solenoid
• 3-2 shift solenoid
• A red
• A/t
• A12
• Air pmp fuse 50 20a
• Air pump relay
• Automatic trans- mission
• Automatic transmission fluid pressure manual valve position switch
• Automatic transmission fluid temp sensor
• B pnk
• B pnk (m/t)
• Cruise control release switch (on bracket, front of brake pedal)
• D10
• D2 sw
• D3 sw
• D4 sw
• E12
• Eng ign1 fuse 19
• F/pmp fuse 13 20a
• F12
• Fuel pump and sender assembly (in left fuel tank)
• Fuel pump relay
• G102 (on top of right frame rail, behind right headlight)
• G104
• G105 (on left rear side of eng)
• G401 (at rear of vehicle, on inner side of left frame rail)
• Hot at all times
• Hot in run or start
• Hot with ign1 relay energized
• Lo sw
• M/t
• Park/ neutral position & back-up lamp switch (on left side of transmission)
• Pessure control solenoid valve
• Pnk
• Pnk (m/t)
• Red
• Rev sw
• Right fuel level sensor (in right fuel tank)
• S112
• S400
• S408
• S410
• S412
• Second- ary air injection solenoid (above pcm)
• Secondary air injection pump (left front of eng compt, on skid bar)
• Sp 100 (in forward light harn, at breakout to right headlight opening door connector)
• Sp 208 (right side of dash)
• Tan
• Tcc pwm solenoid
• Tcc solenoid
• Trans- mission fluid temp sensor (z06)
• Underhood fuse block
• Z06

5.7L VIN S, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Corvette 2004

List of elements for 5.7L VIN S, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Corvette 2004:

• (attached to pcm below battery) throttle actuator control module
• (left ign ctrl mod jumper, 4 cm from breakout to ign ctrl/coil mod 5)
• (left ign ctrl mod jumper, 5cm from breakout to c109)
• (mil)
• (on left side of throttle body) throttle actuator control motor
• (on right side of throttle body) throttle position sensor
• (on top of accelerator pedal) accelerator pedal position sensor
• (right side of eng, above starter)
• (top left rear of engine)
• A/c refrigerant pressure sensor (on a/c high pressure line)
• Act ctrl no1
• Act ctrl no2
• App no1 5v
• App no1 sig
• App no2 5v
• App no2 gnd
• App no2 sig
• App no3 5v
• App no3 gnd
• App no3 sig
• B16
• Cruise control system
• Engine coolant temperature sensor (left side of of eng, below generator)
• Engine oil pressure sensor (on top center rear of eng)
• Evaporative emission canister purge solenoid (top left side of eng, on intake manifold)
• Extended brake tra
• Exterior lights system
• Fuse 17 15a b
• Fuse 8 20a b
• G106
• G107
• Gnd
• Hot at all times
• Hot with ign relay energized (in run or start)
• I/p fuse block
• Ign
• Ignition coil/module 1 (top of cylinder)
• Ignition coil/module 3 (top of cylinder)
• Ignition coil/module 5 (top of cylinder)
• Ignition coil/module 7 (top of cylinder)
• Instrument panel cluster
• Malfunction indicator lamp
• Manifold absolute pressure sensor (on top rear of intake manifold)
• On/off sig
• Plug spark
• Pnk
• Pnk b
• Pnk d
• Pnk d ign ctrl
• Pp no1 gnd
• Red c ign ctrl
• Ref lo
• Res/acc sig
• S101
• S103
• S105
• S120
• S213
• Set/coast sig
• Spark plug
• Stop lamp switch (on top of brake pedal support) c2
• Stop lamp switch (top of brake pedal support)
• Stop sw sig
• Stp haz a
• Tac serl data
• Tan
• Throt cont a
• Tps no1 5v
• Tps no1 sig
• Tps no2 5v
• Tps no2 gnd
• Tps no2 sig
• Underhood fuse block

5.7L VIN S, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Corvette 2004

List of elements for 5.7L VIN S, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Corvette 2004:

• (inside right rear wheelhouse panel) evaporative emission canister vent solenoid
• (on air intake assembly) mass air flow sensor
• (right ign ctrl mod jumper, 4 cm from breakout to ignition/coil module 4)
• (right ign ctrl mod jumper, 5 cm from breakout to c110)
• (right side of eng, above starter)
• (top left rear of engine)
• 1 to 4 ind
• 1223 (or 375)
• 2-3 ss (or 1-4 lamp ctrl)
• A gnd
• A pnk
• A/c clutch rly ctrl
• A/c refrig press sen sig
• A/c request sig (c60 only)
• A/c status sig
• A/c system
• A/t
• A17
• Air pump rly ctrl
• Air sol rly ctrl
• Alt f terminal
• Alt term l
• Anti-lock brake system
• B ref lo
• B11
• C10
• Cooling fans system
• D ign
• D pnk
• Eng cool fan rly 2&3 ctrl
• Eng oil press sen sig
• Eng speed
• Eng speed (tach) out sig
• Evap can purge valve ctrl
• Evap can vent valve ctrl
• F10
• From heated oxygen sensors (diagram 1 of 4)
• Fuel level sen sig
• Fuel levl sen sig (second)
• Fuel pump rly ctrl
• Fuel tank press sen sig
• Fuel tank pressure sensor (in right fuel tank)
• G106
• G107
• Ho2s htr lo cntl
• Iat sen gnd
• Iat sen sig
• Ign
• Ign ctrl 1
• Ign ctrl 2
• Ign ctrl 3
• Ign ctrl 4
• Ign ctrl 5
• Ign ctrl 6
• Ign ctrl 7
• Ign ctrl 8
• Ign ctrl ref low bank 1
• Ign ctrl ref low bank 2
• Ignition coil/module 2 (top of cylinder)
• Ignition coil/module 4 (top of cylinder)
• Ignition coil/module 6 (top of cylinder)
• Ignition coil/module 8 (top of cylinder)
• Instrument panel cluster
• Low ref
• M/t
• Maf sen sig
• Map sen sig
• Mil ctrl
• Pcm gnd
• Plug spark
• Pnk
• Powertrain control module (behind right front fender)
• Prnd c
• Red
• Red c ign ctrl
• Reverse inhibit sol ctrl
• S100
• S102
• S104
• S120
• Spark plug
• Starting/ charging system
• Tan
• Tcc ctrl sol
• Tcc enable circuit
• Torque delivered
• Tr shift sol a
• Tr sig a
• Tran temp sen sig
• Trans fluid press ctrl hi
• Trans fluid press ctrl lo
• Underhood fuse block
• Vehicle speed out
• Vehicle speed sensor (on right of differential)
• Vss input
• Vss ref lo
• Vss sig hi