ENGINE PERFORMANCE – Chevrolet Cobalt LT 2009 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L TURBO VIN X

2.0L Turbo VIN X, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Cobalt LT 2009

List of elements for 2.0L Turbo VIN X, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Cobalt LT 2009:

• (left top of engine) turbocharger bypass valve solenoid
• (lower right front of engine) turbocharger wastegate solenoid
• (top of engine) exhaust camshaft position (cmp) actuator solenoid
• (top of engine) intake camshaft position (cmp) actuator solenoid
• 5 volt ref
• 5 volt ref 1
• 5 volt ref 3
• 5-volt ref 2
• Body control module (under center dash)
• Boost gauge sig
• Ckp sens sig
• Clstr fuse 10a
• Cmp exhaust sens sig
• Cmp intake sens sig
• Computer data lines system
• Dfi hi volt ctrl cyl 1
• Dfi hi volt ctrl cyl 2
• Dfi hi volt ctrl cyl 3
• Dfi hi volt ctrl cyl 4
• Dfi hi volt sply cyl 2
• Dfi hi volt sply cyl 3
• Dfi hi volt sply cyl 4
• Driver information center (dic) display
• Engine control module (ecm) (left side of engine compt)
• Engine oil pressure (eop) switch (left side of engine, above starter)
• Evap cnstr purge sol ctrl
• Exhaust sol ctrl
• Frp sens sig
• Fuel injectors
• Fuel rail pressure sensor (fuel rail assembly)
• Gen field duty cycle sig
• Generator turn on sig
• Hi press fuel pump actr hi ctrl
• High pressure fuel pump
• Hot at all times
• Ic 1 ctrl
• Ic 4 ctrl
• Instrument cluster system
• Instrument panel cluster (ipc)
• Intake sol ctrl
• J121
• Knock sensor (ks) 1
• Knock sensor (ks) 2
• Ks 1 sig
• Ks 2 sig
• Lo spd gmlan serial data
• Logic
• Low ref
• Mal- function ind
• Map sens sig
• Mil ctrl
• Oil press sw sig
• Power distribution system
• Starting/charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Turbo bypass vlv ctrl
• Wastegate sol ctrl

2.0L Turbo VIN X, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Cobalt LT 2009

List of elements for 2.0L Turbo VIN X, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Cobalt LT 2009:

• (tmap) air press sig air temp and press
• (tmap) temp sig air temp and press
• (top of valve cover) ignition coils
• 5 volt ref 1
• Acc
• Acc voltage
• Actr lo ctrl
• Body control module (under center dash)
• Crankshaft position (ckp) sensor (left rear of engine)
• Direct fuel injector (dfi)
• Ecm/tcm fuse 10a
• Ect sens sig
• Engine control module (ecm) (left side of engine compt)
• G107 (right rear of cylinder head)
• Heated oxygen sens
• Hi press fuel pump
• Hi vol sply cyl 1
• Ho2s hi sig sens 1
• Ho2s htr lo ctrl sens 1
• Ho2s lo sig sens 1
• Ho2s pump current sens 1
• Hot at all times
• Ic 2 ctrl
• Ic 3 ctrl
• Ignition switch (right side of steering column)
• In pump current sens 1
• J123
• J124
• J141
• J142
• J206
• Ks 1 sig
• Ks 2 sig
• Lo ref
• Logic
• Low ref
• Manifold absolute pressure (map) sensor (throttle body assembly)
• Nca
• Off
• Pre-throttle
• Rly coil ctrl
• Run
• Spark plug
• Start
• Tan
• Tp sens 1 sig
• Tp sens 2 sig

2.0L Turbo VIN X, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Cobalt LT 2009

List of elements for 2.0L Turbo VIN X, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Cobalt LT 2009:

• (center of rear shelf, near speaker) g402
• (not used)
• A/c refrigerant pressure sensor (right front of engine compt,
• Cnstr vent fuse 10a
• Ecm/pcm fuse 15a
• Eng vlv sol fuse 10a
• Engine coolant temperature (ect) sensor (right rear of engine block)
• Evaporative emission (evap) canister purge solenoid valve
• Exh fuse 10a
• Exhaust camshaft position (cmp) sensor (right rear of cylinder head)
• Fuel level sensor
• Fuel pump
• Fuel pump & sender assembly (fuel tank assembly)
• Fuel pump fuse 15a
• Fuel pump relay
• G101 (left side of engine compt, under coolant reservoir)
• Heated oxygen sensor (ho2s) 1 (exhaust manifold)
• Hot at all times
• Inj fuse 15a
• Intake air pressure & temperature sensor
• Intake camshaft position sensor (rear of cylinder head)
• J126
• J140
• Nca
• On a/c line, near compressor)
• Pwr/trn relay
• Tan
• Underhood fuse block (engine compartment, next to left strut tower)

2.0L Turbo VIN X, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Cobalt LT 2009

List of elements for 2.0L Turbo VIN X, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Cobalt LT 2009:

• (behind tank assembly) evaporative emissions (evap) canister vent solenoid valve
• (lower left front transm- ission case)
• (lower left front transmission case) g105
• 5 volt ref 1
• 5 volt ref 2
• 5 volt ref 3
• A/c compressor clutch rly ctrl
• A/c refr press sens lo ref
• A/c refr press sens sig
• Acc volt hi spd gmlan serial data bus (+)
• Accelerator pedal position (app) sensor (near accelerator pedal bracket)
• Air conditioning system
• App sens 1 sig
• App sens 2 sig
• Batt positive volt
• Clutch pedal position sensor (m/t) (top of clutch pedal)
• Computer data lines system
• Cooling fan rly ctrl
• Cooling fans system
• Cpp sens sig
• Ecm/trans fuse 15a
• Engine control module (ecm) (left side of engine compt)
• Evap canister vent sol ctrl
• Exterior lights system
• Fuel lvl sens sig
• Fuel pump rly ctrl
• Fuel tank press sens sig
• Fuel tank pressure (ftp) sensor (top of fuel tank)
• G101 (left side of engine compt, under coolant reservoir)
• G105
• Gmlan serial data bus (-)
• Gnd
• Heated oxygen sensor 2 (exhaust, downstream of catalytic converter)
• Hi spd cooling fan rly ctrl
• Ho2s hi sig sens 2
• Ho2s htr low ctrl sens 2
• Hot at all times
• Ign volt
• Induction air temp sens sig
• J113
• J150
• J310
• J311
• Low ref
• Low ref heated oxygen low sig sens 2
• Maf sens sig
• Mass air flow (maf)/intake air temperature (iat) sensor (air intake tube)
• Nca
• Oss high sig
• Oss low sig
• Pnk
• Powertrain rly coil ctrl
• Run/ crnk relay
• Starter rly coil ctrl
• Starting/ charging system
• Stop lamp sply volt
• Tan
• Tan a
• Throttle actuator control (tac) module (intake manifold assembly)
• Tps1
• Tps2
• Underhood fuse block (engine compartment, next to left strut tower)
• Vehicle speed sensor (m/t) (top of transaxle)

2.2L VIN H

2.2L VIN H, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Cobalt LT 2009

List of elements for 2.2L VIN H, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Cobalt LT 2009:

• (left side of engine compt, under coolant reservoir) g101
• 5v ref 1
• 5v ref 2
• A/c com rly ctrl
• A/c ref sens sig
• Acc
• Acc vol
• Acc volt
• Air conditioning system
• Air pump rly ctrl
• App sens 1 sig
• App sens 2 sig
• Batt pos vol
• Body control module (under center dash)
• Clutch pedal position sensor (m/t) (top of clutch pedal)
• Computer data lines system
• Coolant fan rly out
• Cooling fan rly ctrl
• Cooling fans system
• Cpp sens sig
• Ecm/ tcm fuse 10a
• Ecm/ trans fuse 15a
• Engine control module (ecm) (left side of engine compt)
• Evaporative emissions (evap) canister vent solenoid valve (behind tank assembly)
• Exterior lights system
• Fuel level sens sig
• Fuel pmp rly ctrl
• Fuel tank pressure sensor (top of fuel tank)
• Ground
• Hot at all times
• Iat sens sig
• Ign 1 voltage
• Ignition 1 vol
• Ignition switch (right side of steering column)
• J206
• Logic
• Low ref
• Maf sens sig
• Mil ctrl
• Off
• Park/neutral sig
• Powertrain rly ctrl
• Press sens sig
• Relay coil ctrl
• Run
• Run/ crnk relay
• Serial bus +
• Serial bus -
• Start
• Starter ctrl
• Starting/charging system
• Stop lamp sply out
• Tan
• Transmissions system
• Underhood fuse block (engine compt, next to left strut tower)
• Vehicle speed sensor (m/t) (top of transaxle)
• Vent sol ctrl
• Vss high sig
• Vss low sig

2.2L VIN H, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Cobalt LT 2009

List of elements for 2.2L VIN H, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Cobalt LT 2009:

• (front of engine compt, near cooling fans) g111
• (lower left front of transmission case) g105
• (near accelerator pedal bracket) accelerator pedal position (app) sensor
• (not used)
• Air pump fuse 40a
• Air pump relay (w/ pzev)
• Air sol fuse 10a
• Air sol relay (w/ pzev)
• B11
• Cnstr vent fuse 10a
• Computer data lines system
• Data gmlan
• Evaporative emission (evap) canister purge solenoid valve (top,rear of engine)
• Exh fuse 10a
• Hot at all times
• Ign
• Inj fuse 15a
• Instrument panel cluster (ipc)
• Logic
• Malfunc- tion indicator lamp
• Nca
• Pcm/ecm fuse 15a
• Pnk
• Pwr/trn relay
• Secondary air injection (air) pump (lower left side of engine, near oil pan)
• Secondary air injection pump solenoid (left rear of engine compt)
• Tan
• Underhood fuse block (engine compt, next to left strut tower)
• Up shift ind

2.2L VIN H, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Cobalt LT 2009

List of elements for 2.2L VIN H, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Cobalt LT 2009:

• (center of rear shelf, near speaker) g402
• (under fuel rail assembly) fuel injectors
• Fuel level sensor
• Fuel pump & sender assembly (inside fuel tank)
• Fuel pump fuse 15a
• Fuel pump motor
• Fuel pump relay
• G101 (left side of engine compt, under coolant reservoir)
• G105 (lower left front of transmission case)
• G107 (right rear of cylinder head)
• Hot at all times
• Iat
• Ignition coil 1 (top of valve cover)
• Ignition coil 2 (top of valve cover)
• J103
• J141
• Maf
• Manifold absolute pressure (map) sensor (throttle body assembly)
• Mass air flow (maf)/inlet air temperature (iat) sensor (intake,after air cleaner)
• Pnk
• Spark plug
• Tan
• Underhood fuse block (engine compt, next to left strut tower)

2.2L VIN H, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Cobalt LT 2009

List of elements for 2.2L VIN H, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Cobalt LT 2009:

• (cooling fan jumper harness, 15 cm from cooling fan motor)
• (exhaust manifold) heated oxygen sensor (ho2s) 1
• (exhaust, after catalytic converter) heated oxygen sensor (ho2s) 2
• (intake manifold assembly) throttle body
• 5v ref
• 5v ref 1
• 5v ref 2
• A/c refrigerant pressure sensor (right front of engine compt, on a/c line, near compressor)
• Air sol ctrl
• Air sol sig
• Ckp sens sig
• Cmp sens sig
• Cmp sol ctrl
• Crankshaft position (ckp) sensor (above starter motor)
• Ect sens sig
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature (ect) sensor (rear of engine)
• Engine oil pressure (eop) switch (lower left rear of engine)
• Exhaust camshaft position (cmp) actuator solenoid valve
• Exhaust camshaft position (cmp) sensor
• Exhaust sol ctrl
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• G105 (lower left front of transmission case)
• Gen field duty
• Gen trn on sig
• Gnd
• Hi sig sens 1
• Hi sig sens 2
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ignition coil 3 (top of valve cover)
• Ignition coil 4 (top of valve cover)
• Intake camshaft position (cmp) actuator solenoid valve
• Intake camshaft position (cmp) sensor (top rear of engine)
• Intake sol ctrl
• J105
• Knock sensor (lower left side of engine)
• Ks sig
• Loc cont sig 1
• Low ref
• Low sens 2
• Low sig sens 1
• Low sig sens 2
• Map sens sig
• Nca
• Oil pres sw sig
• Purg sol ctrl
• Spark plug
• Starting/ charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Tp sens 1 sig
• Tp sens 2 sig