ENGINE PERFORMANCE – Chevrolet Cruze LS 2012 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.4L VIN 9

1.4L VIN 9, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Cruze LS 2012

List of elements for 1.4L VIN 9, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Cruze LS 2012:

• (right front of engine) turbocharger bypass solenoid valve
• (top of clutch pedal) (m/t) clutch pedal position sensor
• (top of fuel tank) fuel tank pressure (ftp) sensor
• (top of transaxle) (m/t) vehicle speed sensor
• 5 volt ref
• 5volt ref
• A/t
• Brake pedal position sensor (top of brake pedal assembly)
• Clh app sens sig brk pos sens sig
• Computer data lines system
• Engine control module (ecm)
• Engine coolant temp sens sig
• Engine coolant temperature (ect) sensor 1 (rear of engine)
• Evap canister pur sol ctrl
• Exterior lights system
• Fuel tank press sens sig
• Generator field duty cycle sig
• Ho2s high sig bank 1 sens 2
• Ho2s htr hi ctrl bank1 sens2
• Ho2s low sig bank 1 sens 2
• Ign
• Instrument cluster
• Instrument cluster system
• Lo spd gmlan serial data
• Logic
• Low ref
• M/t
• Mal- function ind
• Manifold absolt press sens sig
• Manifold absolute pressure (map) sensor (in intake manifold)
• Output spd digital sig
• Overrun air valve sol
• Primary fuel lvl sens sig
• Reverse sw sig
• Starting/charging system
• Turbocharger wastegate solenoid valve (left side of engine)
• Waste gate sol ctrl
• X110
• X112
• X200
• X401

1.4L VIN 9, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Cruze LS 2012

List of elements for 1.4L VIN 9, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Cruze LS 2012:

• (exhaust manifold) heated oxygen sensor 1
• (exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (in intake manifold) barometric pressure sensor
• (intake manifold assembly) evaporative emission (evap) purge solenoid valve
• (right side of fuel tank) evaporative emission vent solenoid valve
• Accelerator pedal position (app) sensor (near accelerator pedal bracket)
• Engine coolant temperature (ect) sensor 2 (right side of radiator)
• Exhaust camshaft position (cmp) actuator solenoid valve (left front of engine)
• G114 (left rear of engine)
• Intake camshaft position (cmp) actuator solenoid valve (right front of engine)
• Mass air flow (maf)/intake air temperature sensor
• Nca
• Underhood fuse block (engine compt, next to left x1 strut tower)
• X104
• X110
• X200
• X401

1.4L VIN 9, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Cruze LS 2012

List of elements for 1.4L VIN 9, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Cruze LS 2012:

• (behind front of grille) (w/ engine improvement fuel economy) active grille air shutter actuator
• 5 volt ref
• A/c rfgt pr sens sig
• Acc pedal pos sig 1
• Acc pedal pos sig 2
• Battery positive volt
• Charge ind ctrl
• Check engine ind ctrl
• Cooling fans system
• Cruise/etc/tcc brk sig
• Engine control module (ecm)
• Evap canstr vent ctrl
• Exterior lights
• Fan rly ctrl low spd cooling
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 7.5a
• G101 (left front corner of engine compt)
• High speed relay ctrl
• Hot at all times
• Hot w/ ign main relay energized
• Hs gmlan +
• Hs gmlan -
• J111
• J114
• Lines system computer data
• Low ref
• Mas air flow sens sig
• Park netrl pos sw sig
• Powertrain relay
• Powertrain rly ctrl
• Pre tr air temp pr sig
• Pres sens 5 v ref
• Press sens sig
• Primary rly ctrl
• Run/crank ign 1 volt
• Starting/charging system
• Startr enble rly ctrl
• Temp sens 2 sig
• Temp sens sig
• Transmissions system system
• Underhood fuse block (engine compt, next to left strut tower)
• Wakeup serial data
• X100
• X110

1.4L VIN 9, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Cruze LS 2012

List of elements for 1.4L VIN 9, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Cruze LS 2012:

• (body harness, 9 cm from right rear wheel speed sensor breakout) j312
• (right side of engine) fuel injectors
• (top of valve cover) ignition coil
• Batt +
• Computer data lines system
• Ctrl 1 ign
• Ctrl 2 ign
• Ctrl 3 ign
• Ctrl 4 ign
• F sply 1 main rly pwrtn
• Fuel
• Fuel lin sens 5v ref
• Fuel press sens sig
• Fuel pump & level sensor assembly (top of fuel tank assembly)
• Fuel pump control module (right side of luggage compt)
• Fuel pump ctrl
• Fuel pump rly ctrl
• G112
• G402 (right side of luggage compt)
• Gnd
• Ground
• Hs gmlan +
• Hs gmlan -
• Ign volt
• Intake manifold pressure/air temperature sensor (in air intake duct, rear of engine)
• J404 (body harness, 13 cm from breakout for fuel pump control module)
• Logic
• Low ref
• Nca
• Pump
• Serl data comm enbl
• Shield
• Shtt act sol ctrl
• W/ engine improvement fuel economy
• X110
• X401

1.4L VIN 9, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Cruze LS 2012

List of elements for 1.4L VIN 9, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Cruze LS 2012:

• A/c refrigerant pressure sensor (right radiator support)
• Body control module (under center dash)
• Computer data lines system
• Crankshaft position sensor (lower right rear of engine)
• Exhaust camshaft position sensor (left front of cylinder head)
• Fuel pressure sensor (fuel line at righ front of fuel tank)
• Hs gm-lan +
• Hs gm-lan -
• Intake camshaft position sensor (right front of cylinder head)
• Knock sensor (right rear of engine block)
• Ref sens low brk apy
• Sens sig brk apy
• Sply volt sens sig brk apy
• Underhood fuse block (engine compt, next to left strut tower)
• X104
• X401

1.4L VIN 9, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Cruze LS 2012

List of elements for 1.4L VIN 9, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Cruze LS 2012:

• (engine harness, 30 cm from breakout for engine control module) j112
• 5 volt ref
• Camshaft cam w gnd
• Camshaft cam w sig
• Camshaft cam w sup volt
• Camshaft cam x gnd
• Camshaft cam x sig
• Camshaft cam x sup volt
• Camshaft phaser exhaust sol 1
• Camshaft phaser intake sol 1
• Crankshaft 60x sens sig
• Crankshaft 60x sens volt
• Engine control module (ecm)
• Engine coolant thermostat heater
• Fuel inj ctrl 1
• Fuel inj ctrl 2
• Fuel inj ctrl 3
• Fuel inj ctrl 4
• G114 (left rear of engine)
• Ground
• Ho2s high sig bank 1 sens 1
• Ho2s htr low ctrl bank 1 sens 1
• Ho2s low sig bank 1 sens 1
• Ign ctrl 1
• Ign ctrl 2
• Ign ctrl 3
• Ign ctrl 4
• Instrument cluster system
• Knock sensor sig 1
• Low ref
• Oil pressure sw sig
• Powertrain main rly fuse sply 1
• Thermostat engine cool ctrl
• Throttle actuator ctrl close
• Throttle actuator ctrl open
• Throttle body assembly (on intake manifold assembly)
• Throttle position sensor sig 1
• Throttle position sensor sig 2
• Turbo boost press sens temp sig

1.8L VIN H

1.8L VIN H, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Cruze LS 2012

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (1 of 4) for Chevrolet Cruze LS 2012:

• (engine harness, 6 cm from breakout for g114)
• (engine harness, breakout for underhood fuse block)
• (left side of engine compt) engine control module (ecm)
• (right side of radiator) engine coolant temperature sensor 2
• 5v ref
• A/c comp clutch rly ctrl
• A/c pressure sensor 5 v ref
• A/c refreg sens sig
• Acc pedal pos 5 v ref
• Acc pedal pos 5 volt
• Acc pedal pos low ref 1
• Acc pedal pos low ref 2
• Acc wakeup serial data
• Accelerator pedal pos sig 1
• Accelerator pedal pos sig 2
• Accelerator pedal position (app) sensor (near accelerator pedal bracket)
• Air conditioning system
• Battery positive voltage
• Check engine indicator ctrl
• Clutch pedal position sensor (m/t) (top of clutch pedal)
• Computer data
• Computer data lines system
• Coolant temp sens 2 low ref
• Coolant temp sensor 2 sig
• Cooling fans system
• Cruise control system
• Cruise/etc/tcc brake sig
• Evap canister vent solenoid
• Exterior lights system
• Fuel level sensor low ref
• Fuel pump primary relay ctrl
• Fuel tank pressure (ftp) sensor (top of fuel tank)
• Fuel tank pressure sens sig
• Fuse 10a
• Fuse 15a
• Fuse 20a
• G114 (left rear of engine)
• High spd cooling fan rly ctrl
• High spd gmlan serial data (+)
• High spd gmlan serial data (-)
• Hot at all times
• Hot w/ ign main relay energized
• Intake air temp sensor sig
• Intake air temperature sensor
• J111
• J114
• J123
• J127
• J144 (a/t)
• Lines system
• Low spd cooling fan rly ctrl
• Mass air flow (maf)/intake air temperature sensor (intake, after air cleaner)
• Mass air flow sensor sig
• O/p spd sig
• Pnp sw park sig
• Power- train relay
• Powertrain main rly sply 1
• Powertrain relay coil ctrl
• Pressure sens 5v ref
• Primary fuel level sensor sig
• Reverse sw sig
• Run/crank ignition 1 voltage
• Sensor low ref
• Starter enable rly ctrl
• Starting/ charging system
• Thermostat engine cool ctrl
• Transmissions system
• Underhood fuse block (engine compt, next to left strut tower)
• X104
• X110
• X112
• X200
• X401

1.8L VIN H, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Cruze LS 2012

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (2 of 4) for Chevrolet Cruze LS 2012:

• (body harness, 13 cm from breakout for fuel pump control module) j404
• (exhaust manifold) heated oxygen sensor 1
• (exhaust, after catalytic converter) heated oxygen sensor 2
• (right rear of engine) intake manifold tuning solenoid valve
• (right side of fuel tank) evaporative emission vent solenoid valve
• (top of transaxle) (m/t) vehicle speed sensor
• 5v ref
• Computer data lines system
• Engine coolant thermostat heater (left rear of engine)
• Fuel
• Fuel pump & level sensor assembly (top of fuel tank assembly)
• Fuel pump control module (right side of luggage compt)
• Fuel pump ctrl
• G114 (left rear of engine)
• G402 (right side of luggage compt)
• Hs gmlan +
• Hs gmlan -
• Ign
• Ign volt
• Instrument cluster
• Lo spd gmlan serial data
• Logic
• Low ref
• Mal- function ind
• Nca
• Pump
• Relay ctrl
• Sens sig
• Serial data
• Shield
• System data lines computer
• X110
• X200
• X401

1.8L VIN H, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Cruze LS 2012

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (3 of 4) for Chevrolet Cruze LS 2012:

• (intake manifold assembly) evaporative emission (evap) purge solenoid valve
• (right radiator support) a/c refrigerant pressure sensor
• (right rear of engine) crankshaft position (ckp) sensor
• (right side of engine) fuel injectors
• Ctrl 1
• Ctrl 2
• Ctrl 3
• Ctrl 4
• Engine coolant temperature (ect) sensor 1 (right rear of engine block)
• F sply 1 main rly
• Fuel pressure sensor (fuel line at right front of fuel tank)
• G112 (top left rear of engine)
• Ground
• Ign
• Ignition coil (top of valve cover)
• Knock sensor (lower right side of engine)
• Logic
• Low ref
• Manifold absolute pressure sensor (in intake manifold)
• Nca
• Pwrtn
• Underhood fuse block (engine compt, next to left x3 strut tower)
• X104
• X105
• X401

1.8L VIN H, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Cruze LS 2012

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (4 of 4) for Chevrolet Cruze LS 2012:

• (left front of engine)
• (right front of engine)
• Cam phaser w return low
• Cam phaser x return low ref
• Camshaft phaser exhaust solenoid
• Camshaft phaser intake solenoid 1
• Camshaft position exhaust sensor 1
• Camshaft position intake sensor 1
• Charge indicator control
• Coolant temperature sensor sig
• Cpe sensor low ref 1
• Cpi sensir sply volt 1
• Cpi sensor low ref 1
• Cps sensor sply vol
• Crankshaft 60x sensor low ref
• Crankshaft 60x sensor sig
• Crankshaft 60x sensor voltage
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temp sensor ref
• Engine oil pressure switch (lower left front of engine)
• Evap purge solenoid ctrl
• Exhaust camshaft position (cmp) actuator solenoid valve
• Exhaust camshaft position sensor (left rear of cylinder head)
• Fuel injector control 1
• Fuel injector control 2
• Fuel injector control 3
• Fuel injector control 4
• G114 (left rear of engine)
• Generator field duty cycle sig
• Ground
• Hos high sig bank 1 sensor 1
• Hos high sig bank 1 sensor 2
• Hos low sig bank 1 sensor 1
• Hos low sig bank 1 sensor 2
• Ignition control 1
• Ignition control 2
• Ignition control 3
• Ignition control 4
• Imtv control sig
• Imtv position sig
• Intake camshaft position (cmp) actuator solenoid valve
• Intake camshaft position sensor (right rear of cylinder head)
• Knock sensor low reference 1
• Knock sensor sig 1
• Low ref
• Maf sensor low ref
• Map sensor 5v ref
• Map sensor sig
• Oil pressure switch sig
• Starting/charging system
• Throttle actuator ctrl close
• Throttle actuator ctrl open
• Throttle body (on intake manifold assembly)
• Throttle position sensor 5v ref
• Throttle position sensor low ref
• Throttle position sensor sig 1
• Throttle position sensor sig 2