ENGINE PERFORMANCE – Chevrolet Cruze LS 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.4L VIN B

1.4L VIN B, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Cruze LS 2014

List of elements for 1.4L VIN B, Engine Performance Wiring Diagram (1 of 6) for Chevrolet Cruze LS 2014:

• (engine harness, 9 cm from breakout for engine control module) j127
• (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
• Driver information center display
• Engine control module (top of transmission)
• Engine coolant temp sens sig
• Engine coolant temperature (ect) sensor 1 (right rear of cylinder head)
• Engine oil pressure ind
• Evap canister pur sol ctrl
• Exterior lights system
• Fuel gauge
• 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
• Malfunction ind
• Manifold absolt press sens sig
• Manifold absolute pressure (map) sensor (in intake manifold)
• Output spd
• Overrun air valve sol
• Primary fuel lvl sens sig
• Reverse sw sig
• Starting/charging system
• Turbocharger wastegate solenoid valve (right side of engine)
• Waste gate sol ctrl
• X190
• X200
• X401

1.4L VIN B, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Cruze LS 2014

List of elements for 1.4L VIN B, Engine Performance Wiring Diagram (2 of 6) for Chevrolet Cruze LS 2014:

• (exhaust manifold) heated oxygen sensor 1
• (exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (intake manifold assembly) evaporative emission (evap) purge solenoid valve
• (right side of fuel tank) evaporative emission vent solenoid valve
• Accelerator pedal position (app) sensor (top of accelerator pedal assembly)
• Engine coolant temperature (ect) sensor 2 (right side of radiator)
• Exhaust camshaft position actuator solenoid valve (left front of cylinder head)
• G114 (left rear of engine)
• Intake camshaft position actuator solenoid valve (right front of cylinder head)
• J124
• Multifunction intake air sensor (in air intake duct)
• Nca
• Underhood fuse block (left front of engine compt) x1
• X104
• X190
• X200
• X401

1.4L VIN B, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Cruze LS 2014

List of elements for 1.4L VIN B, Engine Performance Wiring Diagram (3 of 6) for Chevrolet Cruze LS 2014:

• (behind left center of front grille) (w/ engine improvement fuel economy) active grille air shutter actuator
• (engine harness, 9 cm from throttle body breakout) j114
• (fuel injector harness, 9 cm from throttle body breakout)
• (not used)
• 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 ignition relay
• Engine control module (top of transmission)
• 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)
• Gnd
• High speed relay ctrl
• Hot at all times
• Hot w/ ignition main relay energized
• Hs gmlan +
• Hs gmlan -
• Humidity sens sig
• Ign
• J111
• J144 (a/t)
• Lines system computer data
• Logic
• Low ref
• Mas air flow sens sig
• Park netrl pos sw sig
• Power distribution system
• 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
• Sig
• Starting/charging system
• Startr enble rly ctrl
• Temp sens 2 sig
• Temp sens sig
• Transmissions system system
• Underhood fuse block (left front of engine compt)
• Wakeup serial data
• X100
• X190

1.4L VIN B, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Cruze LS 2014

List of elements for 1.4L VIN B, Engine Performance Wiring Diagram (4 of 6) for Chevrolet Cruze LS 2014:

• (body harness, 9 cm from right rear wheel speed sensor breakout) j312
• (right side of cylinder head) fuel injectors
• (top of valve cover) ignition coil module
• Batt +
• Battery fuse block (top of battery)
• Computer data lines system
• Ctrl 1 ign
• Ctrl 2 ign
• Ctrl 3 ign
• Ctrl 4 ign
• Fuel lin sens 5v ref
• Fuel press sens sig
• Fuel pump
• Fuel pump & level sensor assembly (top of fuel tank assembly)
• Fuel pump control module
• Fuel pump ctrl
• Fuel pump rly ctrl
• Fuse 250a
• G112 (top left rear of engine)
• G402 (right side of luggage compt)
• Gnd
• Ground
• Hot at all times
• Hs gmlan +
• Hs gmlan -
• Ign
• Ign volt
• Instrument cluster system
• J404 (body harness, 13 cm from breakout for fuel pump control module)
• Logic
• Low ref
• Nca
• Serl data comm enbl
• Shield
• Shtt act sol ctrl
• Turbocharger boost/intake air temperature sensor
• W/ engine improvement fuel economy
• X190
• X401

1.4L VIN B, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Cruze LS 2014

List of elements for 1.4L VIN B, Engine Performance Wiring Diagram (5 of 6) for Chevrolet Cruze LS 2014:

• A/c refrigerant pressure sensor (right front of engine compt)
• Body control module (under center of 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 right front of fuel tank)
• Hs gm-lan +
• Hs gm-lan -
• Intake camshaft position sensor (right front of cylinder head)
• Knock sensor (lower right side of engine block)
• Ref sens low brk apy
• Sens sig brk apy
• Sply volt sens sig brk apy
• Underhood fuse block (left front of engine compt)
• X104
• X401

1.4L VIN B, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Cruze LS 2014

List of elements for 1.4L VIN B, Engine Performance Wiring Diagram (6 of 6) for Chevrolet Cruze LS 2014:

• (engine harness, 30 cm from breakout for engine control module) j112
• (left rear of engine) engine coolant thermostat heater
• 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 (top of transmission)
• Engine oil pressure switch (left rear of engine block)
• 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 sig
• Ign ctrl 1
• Ign ctrl 2
• Ign ctrl 3
• Ign ctrl 4
• Knock sensor sig 1
• Low ref
• Low ref bank 1
• Oil pressure sw sig
• Powertrain main rly fuse sply 1
• Pre-throttle air temp sig
• Thermostat engine cool ctrl
• Throttle actuator ctrl close
• Throttle actuator ctrl open
• Throttle body (on intake manifold assembly)
• Throttle position sensor sig 1
• Throttle position sensor sig 2

1.8L VIN G

1.8L VIN G, Engine Performance Wiring Diagram (1 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN G, Engine Performance Wiring Diagram (1 of 7) for Chevrolet Cruze LS 2014:

• (engine harness, 6 cm from breakout for g114) j127
• (top of clutch pedal) (m/t) clutch pedal position sensor
• (top of fuel tank) fuel tank pressure sensor
• (top of transaxle) (m/t) vehicle speed sensor
• 5 volt ref
• 5v sens return
• 5volt ref
• A/t
• Brake pedal position sensor (top of brake pedal assembly)
• Computer data lines system
• Driver information center display
• Engine control module (top of transmission)
• Engine coolant temp sens sig
• Engine coolant temperature (ect) sensor 1 (right rear of cylinder head)
• Engine oil pressure ind
• Evap canister pur sol ctrl
• Exterior lights system
• Fuel gauge
• Fuel tank press sens sig
• Generator field duty cycle sig
• Ho2s high sig bank 1 sens 2
• Ho2s htr hi ctrl bank1 sens 2
• Ho2s low sig bank 1 sens 2
• Ign
• Instrument cluster
• Intake air temp sensor
• Intake manifold ctrl
• Intake manifold tuning valve (imtv) ctrl sig
• Lo spd gmlan serial data
• Logic
• Low ref
• M/t
• Malfunction ind
• Manifold absolt press sens sig
• Manifold absolute pressure sensor (in intake manifold)
• Output spd digital sig clh app sens sig brk pos sens sig
• Output speed sig
• Primary fuel lvl sens sig
• Reverse sw sig
• Starting/charging system
• X190
• X200
• X401

1.8L VIN G, Engine Performance Wiring Diagram (2 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN G, Engine Performance Wiring Diagram (2 of 7) for Chevrolet Cruze LS 2014:

• (exhaust manifold) heated oxygen sensor 1
• (exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (intake manifold assembly) evaporative emission (evap) purge solenoid valve
• (top right side of fuel tank) evaporative emission vent solenoid valve
• 1 volt
• Accelerator pedal position (app) sensor (top of accelerator pedal assembly)
• Active grille air shutter actuator (w/ engine improvement fuel economy) (behind left center of front grille)
• Engine coolant temperature (ect) sensor 2 (right side of radiator)
• Exhaust camshaft position (cmp) actuator solenoid valve (left front of cylinder head)
• G101 (left front corner of engine compt)
• G114 (left rear of engine)
• Gnd
• Intake camshaft position (cmp) actuator solenoid valve (right front of cylinder head)
• J124
• Logic
• Multi-function intake air sensor (in air intake duct)
• Nca
• Run/ crank ign
• Shutter valve sol ctrl
• Underhood fuse block (left front of engine compt) x1
• X100
• X104
• X190
• X200
• X401

1.8L VIN G, Engine Performance Wiring Diagram (3 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN G, Engine Performance Wiring Diagram (3 of 7) for Chevrolet Cruze LS 2014:

• (engine harness, breakout for underhood fuse block)
• (intake engine harness, 18.5 cm from breakout for camshaft position actuator) j111
• (not
• A/c rfgt pr sens sig
• Absol press sens sig
• Acc pedal pos sig 1
• Acc pedal pos sig 2
• Air conditioning system
• Air temp sens sig
• Battery positive volt
• Charge ind ctrl
• Comp clutch rly ctrl
• Cooling fans system
• Cruise/etc/tcc brk sig
• Engine control module (top of transmission)
• Engine controls ignition relay
• Evap canstr vent ctrl
• Exterior lights
• Fan rly ctrl low spd cooling
• Fuse 10a
• Fuse 15a
• Fuse 7.5a
• Gmlan serial data + 1
• Gmlan serial data - 1
• High speed relay ctrl
• Hot at all times
• Hot w/ ignition main relay energized
• Humidity sens sig
• J123
• J144 (a/t)
• Lines system computer data
• Mas air flow sens sig
• Park netrl sig
• Pedal pos 5 volt ref
• Pedal pos 5 volt ref 1
• Pedal posi low ref 1
• Pedal posi low ref 2
• Power distribution system
• Powertrain rly ctrl
• Pres sens low ref
• Press sens 5 volt ref
• Press sens 5v rtn
• Primary rly ctrl
• Rly coil ctrl
• Run/crank ign 1 volt
• Sol ctrl
• Starting/charging system
• Startr enble rly ctrl
• System air conditioning
• System starting/charging system air conditioning
• Temp sens 2 low ref
• Temp sens 2 sig
• Temp sens low ref
• To secondary air injection pump relay (diagram 4 of 7)
• Transmissions system system
• Underhood fuse block (left front of engine compt)
• Used)
• W/ engine improvement fuel economy
• Wakeup serial data
• X190

1.8L VIN G, Engine Performance Wiring Diagram (4 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN G, Engine Performance Wiring Diagram (4 of 7) for Chevrolet Cruze LS 2014:

• (right rear of engine)
• Battery fuse block (top of battery)
• From fuse 47 (diagram 3 of 7)
• Fuse 10a
• Fuse 20a
• Fuse 250a
• Fuse 30a
• G114 (left rear of engine)
• Hot at all times
• Hot w/ ignition main relay energized
• Intake manifold tuning solenoid valve
• J124
• Secondary air injection pressure sensor (near exhaust manifold)
• Secondary air injection pump
• Secondary air injection pump relay
• Secondary air injection solenoid valve relay
• Underhood fuse block (left front of engine compt)
• W/ engine improvement fuel economy
• X190

1.8L VIN G, Engine Performance Wiring Diagram (5 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN G, Engine Performance Wiring Diagram (5 of 7) for Chevrolet Cruze LS 2014:

• (body harness, 9 cm from right rear wheel speed sensor breakout) j312
• (fuel injector harness, 5 cm from breakout for fuel injector 4) j108
• (intake engine harness, 24 cm from breakout for camshaft position actuator) j114
• (right side of cylinder head) fuel injectors
• (top of valve cover) ignition coil module
• Batt +
• Computer data lines system
• Ctrl 1 ign
• Ctrl 2 ign
• Ctrl 3 ign
• Ctrl 4 ign
• F sply 1 main rly pwrtn
• Fuel lin sens 5v ref
• Fuel press sens sig
• Fuel pump
• Fuel pump & level sensor assembly (top of fuel tank assembly)
• Fuel pump control module
• Fuel pump ctrl
• Fuel pump rly ctrl
• G112 (top left rear of engine)
• G402 (right side of luggage compt)
• Gnd
• Ground
• Ign volt
• J404 (body harness, 13 cm from breakout for fuel pump control module)
• Logic
• Low ref
• Nca
• Serial data bus (+)
• Serial data bus (-)
• Serl data comm enbl
• Shield
• Shtt act sol ctrl
• W/ engine improvement fuel economy
• X160
• X190
• X401

1.8L VIN G, Engine Performance Wiring Diagram (6 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN G, Engine Performance Wiring Diagram (6 of 7) for Chevrolet Cruze LS 2014:

• Body control module (under center of dash)
• Computer data lines system
• Crankshaft position sensor (right side of cylinder head)
• Exhaust camshaft position sensor (left rear of cylinder head)
• Fuel pressure sensor (fuel line at right front of fuel tank)
• Hs gm-lan +
• Hs gm-lan -
• Intake camshaft position sensor (right rear of cylinder head)
• Knock sensor (lower right side of engine block)
• Nca
• Ref sens low brk apy
• Sens sig brk apy
• Sply volt sens sig brk apy
• X401

1.8L VIN G, Engine Performance Wiring Diagram (7 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN G, Engine Performance Wiring Diagram (7 of 7) for Chevrolet Cruze LS 2014:

• 5 volt ref
• Camshaft cam w sup volt
• Camshaft cam x sup volt
• Camshaft int sens
• Camshaft phaser exhaust sol 1
• Camshaft phaser intake sol 1
• Camshaft pos exhaust sens
• Camshaft pos intake sens
• Camshaft pos sens low ref
• Crankshaft 60x sens sig
• Crankshaft 60x sens volt
• Engine control module (top of transmission)
• Engine coolant thermostat heater (left rear of engine)
• Engine oil pressure switch (left rear of engine block)
• 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
• J112
• 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 (on intake manifold assembly)
• Throttle position sensor sig 1
• Throttle position sensor sig 2

1.8L VIN H

1.8L VIN H, Engine Performance Wiring Diagram (1 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (1 of 7) for Chevrolet Cruze LS 2014:

• (engine harness, 6 cm from breakout for g114) j127
• (top of clutch pedal) (m/t) clutch pedal position sensor
• (top of fuel tank) fuel tank pressure sensor
• (top of transaxle) (m/t) vehicle speed sensor
• 5 volt ref
• 5v sens return
• 5volt ref
• A/t
• Brake pedal position sensor (top of brake pedal assembly)
• Computer data lines system
• Driver information center display
• Engine control module (top of transmission)
• Engine coolant temp sens sig
• Engine coolant temperature (ect) sensor 1 (right rear of cylinder head)
• Engine oil pressure ind
• Evap canister pur sol ctrl
• Exterior lights system
• Fuel gauge
• Fuel tank press sens sig
• Generator field duty cycle sig
• Ho2s high sig bank 1 sens 2
• Ho2s htr hi ctrl bank1 sens 2
• Ho2s low sig bank 1 sens 2
• Ign
• Instrument cluster
• Intake air temp sensor
• Intake manifold ctrl
• Intake manifold tuning valve (imtv) ctrl sig
• Lo spd gmlan serial data
• Logic
• Low ref
• M/t
• Malfunction ind
• Manifold absolt press sens sig
• Manifold absolute pressure sensor (in intake manifold)
• Output spd digital sig clh app sens sig brk pos sens sig
• Output speed sig
• Primary fuel lvl sens sig
• Reverse sw sig
• Starting/charging system
• X190
• X200
• X401

1.8L VIN H, Engine Performance Wiring Diagram (2 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (2 of 7) for Chevrolet Cruze LS 2014:

• (exhaust manifold) heated oxygen sensor 1
• (exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (intake manifold assembly) evaporative emission (evap) purge solenoid valve
• (top right side of fuel tank) evaporative emission vent solenoid valve
• 1 volt
• Accelerator pedal position (app) sensor (top of accelerator pedal assembly)
• Active grille air shutter actuator (w/ engine improvement fuel economy) (behind left center of front grille)
• Engine coolant temperature (ect) sensor 2 (right side of radiator)
• Exhaust camshaft position (cmp) actuator solenoid valve (left front of cylinder head)
• G101 (left front corner of engine compt)
• G114 (left rear of engine)
• Gnd
• Intake camshaft position (cmp) actuator solenoid valve (right front of cylinder head)
• J124
• Logic
• Multi-function intake air sensor (in air intake duct)
• Nca
• Run/ crank ign
• Shutter valve sol ctrl
• Underhood fuse block (left front of engine compt) x1
• X100
• X104
• X190
• X200
• X401

1.8L VIN H, Engine Performance Wiring Diagram (3 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (3 of 7) for Chevrolet Cruze LS 2014:

• (engine harness, breakout for underhood fuse block)
• (intake engine harness, 18.5 cm from breakout for camshaft position actuator) j111
• (not
• A/c rfgt pr sens sig
• Absol press sens sig
• Acc pedal pos sig 1
• Acc pedal pos sig 2
• Air conditioning system
• Air temp sens sig
• Battery positive volt
• Charge ind ctrl
• Comp clutch rly ctrl
• Cooling fans system
• Cruise/etc/tcc brk sig
• Engine control module (top of transmission)
• Engine controls ignition relay
• Evap canstr vent ctrl
• Exterior lights
• Fan rly ctrl low spd cooling
• Fuse 10a
• Fuse 15a
• Fuse 7.5a
• Gmlan serial data + 1
• Gmlan serial data - 1
• High speed relay ctrl
• Hot at all times
• Hot w/ ignition main relay energized
• Humidity sens sig
• J123
• J144 (a/t)
• Lines system computer data
• Mas air flow sens sig
• Park netrl sig
• Pedal pos 5 volt ref
• Pedal pos 5 volt ref 1
• Pedal posi low ref 1
• Pedal posi low ref 2
• Power distribution system
• Powertrain rly ctrl
• Pres sens low ref
• Press sens 5 volt ref
• Press sens 5v rtn
• Primary rly ctrl
• Rly coil ctrl
• Run/crank ign 1 volt
• Sol ctrl
• Starting/charging system
• Startr enble rly ctrl
• System air conditioning
• System starting/charging system air conditioning
• Temp sens 2 low ref
• Temp sens 2 sig
• Temp sens low ref
• To secondary air injection pump relay (diagram 4 of 7)
• Transmissions system system
• Underhood fuse block (left front of engine compt)
• Used)
• W/ engine improvement fuel economy
• Wakeup serial data
• X190

1.8L VIN H, Engine Performance Wiring Diagram (4 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (4 of 7) for Chevrolet Cruze LS 2014:

• (right rear of engine)
• Battery fuse block (top of battery)
• From fuse 47 (diagram 3 of 7)
• Fuse 10a
• Fuse 20a
• Fuse 250a
• Fuse 30a
• G114 (left rear of engine)
• Hot at all times
• Hot w/ ignition main relay energized
• Intake manifold tuning solenoid valve
• J124
• Secondary air injection pressure sensor (near exhaust manifold)
• Secondary air injection pump
• Secondary air injection pump relay
• Secondary air injection solenoid valve relay
• Underhood fuse block (left front of engine compt)
• W/ engine improvement fuel economy
• X190

1.8L VIN H, Engine Performance Wiring Diagram (5 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (5 of 7) for Chevrolet Cruze LS 2014:

• (body harness, 9 cm from right rear wheel speed sensor breakout) j312
• (fuel injector harness, 5 cm from breakout for fuel injector 4) j108
• (intake engine harness, 24 cm from breakout for camshaft position actuator) j114
• (right side of cylinder head) fuel injectors
• (top of valve cover) ignition coil module
• Batt +
• Computer data lines system
• Ctrl 1 ign
• Ctrl 2 ign
• Ctrl 3 ign
• Ctrl 4 ign
• F sply 1 main rly pwrtn
• Fuel lin sens 5v ref
• Fuel press sens sig
• Fuel pump
• Fuel pump & level sensor assembly (top of fuel tank assembly)
• Fuel pump control module
• Fuel pump ctrl
• Fuel pump rly ctrl
• G112 (top left rear of engine)
• G402 (right side of luggage compt)
• Gnd
• Ground
• Ign volt
• J404 (body harness, 13 cm from breakout for fuel pump control module)
• Logic
• Low ref
• Nca
• Serial data bus (+)
• Serial data bus (-)
• Serl data comm enbl
• Shield
• Shtt act sol ctrl
• W/ engine improvement fuel economy
• X160
• X190
• X401

1.8L VIN H, Engine Performance Wiring Diagram (6 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (6 of 7) for Chevrolet Cruze LS 2014:

• Body control module (under center of dash)
• Computer data lines system
• Crankshaft position sensor (right side of cylinder head)
• Exhaust camshaft position sensor (left rear of cylinder head)
• Fuel pressure sensor (fuel line at right front of fuel tank)
• Hs gm-lan +
• Hs gm-lan -
• Intake camshaft position sensor (right rear of cylinder head)
• Knock sensor (lower right side of engine block)
• Nca
• Ref sens low brk apy
• Sens sig brk apy
• Sply volt sens sig brk apy
• X401

1.8L VIN H, Engine Performance Wiring Diagram (7 of 7) for Chevrolet Cruze LS 2014

List of elements for 1.8L VIN H, Engine Performance Wiring Diagram (7 of 7) for Chevrolet Cruze LS 2014:

• 5 volt ref
• Camshaft cam w sup volt
• Camshaft cam x sup volt
• Camshaft int sens
• Camshaft phaser exhaust sol 1
• Camshaft phaser intake sol 1
• Camshaft pos exhaust sens
• Camshaft pos intake sens
• Camshaft pos sens low ref
• Crankshaft 60x sens sig
• Crankshaft 60x sens volt
• Engine control module (top of transmission)
• Engine coolant thermostat heater (left rear of engine)
• Engine oil pressure switch (left rear of engine block)
• 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
• J112
• 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 (on intake manifold assembly)
• Throttle position sensor sig 1
• Throttle position sensor sig 2

2.0L VIN Z

2.0L VIN Z, Engine Performance Wiring Diagram (1 of 8) for Chevrolet Cruze LS 2014

List of elements for 2.0L VIN Z, Engine Performance Wiring Diagram (1 of 8) for Chevrolet Cruze LS 2014:

• (engine harness, near breakout to engine control module) j112
• 5 volt ref 1
• 5 volt ref 2
• A/c comp clutch rly ctrl
• A/c press sens sig
• A/c pressure sens 5 volt ref
• A/c refrigerant pressure sensor (right front of engine compt)
• Acc pedal pos lo ref 1
• Acc pedal pos lo ref 2
• Acc pedal pos sig 1
• Acc pedal pos sig 2
• Acc wakeup serial data
• Accelerator pedal position sensor (top of accelerator pedal assembly)
• Air conditioning system
• Brake pos sens low ref
• Brake pos sensor 5 volt ref
• Brake position sens sig
• Charge indicator control
• Computer data lines system
• Cooling fan ctrl rly spd sig
• Cooling fans system
• Cruise/etc/tcc brake sig
• Def dosing valve hi ctrl
• Def dosing valve lo ctrl
• Def low ctrl
• Def reverting valve hi ctrl
• Diesel particulate filter exhaust differential pressure sensor (right side of engine near exhaust manifold)
• Engine control module (top of transmission)
• Exhaust gas low ctrl
• Exhaust gas recirculation temperature sensor 1 (top right rear of engine)
• Exhaust gas temp sens sig
• Exhaust press sens lo ref 1
• Exhaust press sens sig 1
• Exhaust temp sens lo ref
• Exterior lights system
• Fuel htr rly ctrl 1
• Fuel level sens lo ref
• Fuel temp signal 1
• Fused sply 1
• G110 (top rear of engine)
• Generator field duty cycle sig
• Gmlan serial data (+) 1
• Gmlan serial data (-) 1
• Heated oxygen sensor common
• Ho2s collector signal
• Ho2s current pump signal
• Ho2s lo ctrl bank 1 sens 1
• Humidity sens sig
• J125
• Low reference
• Nca
• Oil pump command sig
• Park/neutral sig 1
• Powertrain rly coil ctrl
• Primary fuel level sens sig
• Reductant injector (in exhaust, upstream of scr)
• Reductant purge solenoid valve (top of reductant tank)
• Run/crank ignition 1 voltage
• Sens fuel temp 1 rtn
• Sig gnd
• Starting/charging system
• Temp sens lo ref 1
• Transmissions system
• Underhood fuse block (left front of engine compt) x3
• Water in fuel sens sig
• X100
• X104
• X115
• X190
• X200
• X400

2.0L VIN Z, Engine Performance Wiring Diagram (2 of 8) for Chevrolet Cruze LS 2014

List of elements for 2.0L VIN Z, Engine Performance Wiring Diagram (2 of 8) for Chevrolet Cruze LS 2014:

• Computer data lines system
• Engine controls ignition relay
• Exhaust particulate matter sensor (in exhaust)
• Fuel heater relay
• Fuel heater/water in fuel sensor (in fuel line, near fuel tank)
• Fuel level sensor
• Fuel pump
• Fuel pump & level sensor assembly (top of fuel tank assembly)
• Fuel pump relay
• Fuse 10a
• Fuse 15a
• Fuse 20a
• Fuse 30a
• Fused ctrl 6
• Fused sply 1
• G110 (top rear of engine)
• G402 (right side of luggage compt)
• Gnd
• Hot at all times
• Hot w/ ignition main relay energized
• Ind ctrl
• J144
• Serial data (+) 3
• Serial data (-) 3
• Underhood fuse block (left front of engine compt)
• X190
• X401
• X403

2.0L VIN Z, Engine Performance Wiring Diagram (3 of 8) for Chevrolet Cruze LS 2014

List of elements for 2.0L VIN Z, Engine Performance Wiring Diagram (3 of 8) for Chevrolet Cruze LS 2014:

• (on exhaust manifold) exhaust temperature sensor 1
• (on exhaust manifold) heated oxygen sensor
• Battery fuse block (top of battery)
• Body control module (under center of dash)
• Brake aply
• Brake aply sens sig
• Brake pedal position sensor (top of brake pedal assembly)
• Check engine ind ctrl
• Computer data lines system
• Driver information center display
• Engine oil pressure ind
• Fuse 250a
• G309 (left side of luggage compt)
• Hot at all times
• Instrument cluster
• Lo spd gmlan serial data
• Logic
• Malfunction ind
• Nca
• Reductant line heater (top of reductant tank assembly)
• Reductant tank heater (part of reductant purge solenoid valve)
• Sens sig
• Wait to start ind
• Wait to start ind ctrl
• X1 sens lo ref
• X115
• X190
• X2 sens sig brake aply
• X2 sens sply volt
• X200
• X400

2.0L VIN Z, Engine Performance Wiring Diagram (4 of 8) for Chevrolet Cruze LS 2014

List of elements for 2.0L VIN Z, Engine Performance Wiring Diagram (4 of 8) for Chevrolet Cruze LS 2014:

• (near battery) glow plug control module
• Acc wakeup serial data
• Computer data lines system
• Def heater sply 1
• Def heater sply 2
• Def pump heater ctrl
• Fuse 60a
• Fuse 7.5a
• G110 (top rear of engine)
• G309 (left side of luggage compt)
• Glow plug sply volt
• Glow plug sply volt 1
• Glow plug sply volt 2
• Glow plug sply volt 3
• Glow plug sply volt 4
• Gmlan serial data (+) 1
• Gmlan serial data (-) 1
• Gnd
• Ground
• Hot at all times
• Hot w/ ignition main relay energized
• J124
• Nitrogen oxides sensor 1 (in turbocharger outlet)
• Nitrogen oxides sensor 2 (in exhaust, downstream of scr)
• Nox sens gnd 1
• Nox sens gnd 2
• Nox sens sply volt 1
• Nox sens sply volt 2
• Red
• Reductant fluid reservoir assembly (lower center of luggage compt)
• Reductant sensor module (part of reductant purge solenoid valve)
• Run/crank ign 1 volt
• Sens gnd 1
• Serial data (+) 3
• Serial data (-) 3
• Sply volt 1
• Underhood fuse block (left front of engine compt)
• X190
• X400
• X403

2.0L VIN Z, Engine Performance Wiring Diagram (5 of 8) for Chevrolet Cruze LS 2014

List of elements for 2.0L VIN Z, Engine Performance Wiring Diagram (5 of 8) for Chevrolet Cruze LS 2014:

• (top left front of cylinder bank) camshaft position sensor
• (top of cylinder head)
• Engine oil pressure control solenoid valve (bottom front of engine)
• Exhaust gas recirculation cooler bypass solenoid valve (left rear of engine)
• Fuse 7.5a
• Fused sply 4
• G110 (top rear of engine)
• Glow plug 1
• Glow plug 2
• Glow plug 3
• Glow plug 4
• Gnd
• Hot w/ ignition main relay energized
• Intake manifold runner valve actuator (under intake manifold)
• J111 (engine harness, between breakout to x190 & x50a)
• J124
• Position sig
• Positive crankcase ventilation heater (top of engine)
• Pwm ctrl sig
• Turbocharger vane position control solenoid valve (lower left front of engine)
• Underhood fuse block (left front of engine compt)
• X100
• X111
• X115
• X170

2.0L VIN Z, Engine Performance Wiring Diagram (6 of 8) for Chevrolet Cruze LS 2014

List of elements for 2.0L VIN Z, Engine Performance Wiring Diagram (6 of 8) for Chevrolet Cruze LS 2014:

• (on exhaust manifold) exhaust temperature sensor 3
• (on turbocharger inlet) charge air cooler inlet temperature sensor
• (rear of engine, in water outlet housing) engine coolant temperature sensor
• (right side of cylinder head) fuel injectors
• (top left rear of engine) exhaust gas recirculation temperature sensor 2
• Engine oil level sensor (bottom center of oil pan)
• G110 (top rear of engine)
• G309 (left side of luggage compt)
• J121
• Multifunction intake air sensor (in air intake duct)
• Nca
• Reductant pump (top of reductant tank assembly)
• Tan
• X160
• X170
• X180
• X190
• X400

2.0L VIN Z, Engine Performance Wiring Diagram (7 of 8) for Chevrolet Cruze LS 2014

List of elements for 2.0L VIN Z, Engine Performance Wiring Diagram (7 of 8) for Chevrolet Cruze LS 2014:

• (right side of engine block) engine oil pressure sensor
• Air cooler in temp sens rtn
• Air cooler in temp sens sig
• Batt positive volta
• Camshaft pos exhaust sens 1
• Check engine ind ctrl
• Coolant temp sens lo ref
• Crankcase (blowby) htr ctrl sig
• Def smart pump ctrl
• Def smart pump sply volt
• Engine control module (top of transmission)
• Engine coolant temp sens sig
• Exhaust gas recirculation sol ctrl
• Exhaust gas sens lo ref
• Exhaust gas temp sens 2
• Exhaust gas temp sens 3
• Exhaust gas temp sens lo ref 2
• Exhaust gas temp sens lo ref 3
• Exhaust gas valve mtr hi sig
• Exhaust gas valve mtr lo sig
• Exhaust gas valve sens sig
• Exhaust temperature sensor 2 (on exhaust manifold)
• Fuel inj (dfi) hi volt sply cyl 2
• Fuel inj (dfi) hi volt sply cyl 3
• Fuel metering valve low control
• Fuel pressure regulator 1 (top of engine, on fuel rail assembly)
• Fuel pressure regulator 2 (on high pressure fuel pump)
• Fuel rail press sol lo ref
• Fuel rail pressure sensor signal
• Induction air temp sens sig
• Intake air temp sens lo ref
• Manifold absolute press sens sig
• Mass air flow sensor signal
• Nca
• Oil level sw sig
• Reductant pressure sensor (top of reductant tank assembly)
• Tan
• Throttle in press sens sig
• Throttle pos sens lo ref
• Throttle pos sens sig1
• Variable swirl & actuator pos sig
• Variable swirl valve pwm ctrl sig
• Wait to start ind ctrl
• X115
• X190
• X400

2.0L VIN Z, Engine Performance Wiring Diagram (8 of 8) for Chevrolet Cruze LS 2014

List of elements for 2.0L VIN Z, Engine Performance Wiring Diagram (8 of 8) for Chevrolet Cruze LS 2014:

• Air cooler out temp sens rtn
• Camshaft pos sens lo ref 1
• Camshaft sens sply volt 1
• Charge air cooler outlet temperature sensor (on turbocharger outlet)
• Computer data lines system
• Crankshaft pos sens lo ref 1
• Crankshaft pos sens sig 1
• Crankshaft position sensor (right rear of cylinder bank)
• Def press sens 5v ref
• Def press sens lo ref
• Def pressure sensor signal
• Def smart pump lo ref
• Engine control module (top of transmission)
• Exhaust gas recirculation valve
• Exhaust gas temp sens sig 2
• Fuel inj (dfi) hi volt ctrl cyl 1
• Fuel inj (dfi) hi volt ctrl cyl 2
• Fuel inj (dfi) hi volt ctrl cyl 3
• Fuel inj (dfi) hi volt ctrl cyl 4
• Fuel inj (dfi) hi volt sply cyl 1
• Fuel inj (dfi) hi volt sply cyl 4
• Fuel metering valve hi ctrl
• Fuel pump primary relay control
• Fuel rail press sens (5) volt ref
• Fuel rail press sens lo ref
• Fuel rail press sol sply volt
• Fuel rail pressure sensor (top of engine)
• Fuse 25a
• Gmlan serial data (+) 3
• Gmlan serial data (-) 3
• Hot at all times
• Manifold absolute pressure sensor (in intake manifold)
• Manifold press sens lo ref
• Manifold sens 5 volt ref
• Mass air flow sens lo ref
• Nca
• Oil press sens 5 volt ref
• Oil press sens lo ref
• Oil press sens sig
• Starter enable relay control
• Starting/ charging system
• Tan
• Throttle actuator control close
• Throttle actuator control open
• Throttle body (on intake manifold assembly)
• Throttle in press sens 5v ref
• Throttle pos sens 5 volt ref
• Turbocharger vane position sensor (lower left front of engine)
• Underhood fuse block (left front of engine compt)
• Variable nozzle turbo sol lo sig
• Variable pos sens volt ref
• Variable turbo pos sens lo ref
• Variable turbo pos sens sig
• X170