ENGINE PERFORMANCE – Chevrolet Spark LT 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.2L VIN 9

1.2L VIN 9, Engine Performance Wiring Diagram, CVT (1 of 5) for Chevrolet Spark LT 2014

List of elements for 1.2L VIN 9, Engine Performance Wiring Diagram, CVT (1 of 5) for Chevrolet Spark LT 2014:

• (right side radiator tank) engine coolant temperature sensor 2
• A/c pressure sens 5 volt ref
• A/c refrigerant low ref
• A/c refrigerant pressure sensor (on a/c line near right headlamp)
• A/c refrigerant sens sig
• Accelerator pedal position sensor (top of accelerator pedal assembly)
• Accessory wakeup serial data
• Air conditioning system
• App 5 volt ref 1
• App 5 vot ref 2
• App low ref 2
• App sens low ref
• App sig 1
• App sig 2
• Batt pos volt
• Check engine indicator cntrl
• Clutch relay cntrl
• Cnstr fuse 10a
• Computer data lines system
• Coolant temp sens 2 sig
• Coolant temp sens low ref
• Cooling fan relay cntrl
• Cooling fans system
• Cruise control system
• Cruise/etc/tcc brake sig
• Ecm/ tcm1 fuse 15a
• Ecm/tcm 2 fuse 15a
• Emis 1 fuse 15a
• Emis2 fuse 15a
• Engine control module (ecm) (near battery)
• Engine controls ignition relay
• Engine main relay coil cntrl
• Evap canister vent sol ctrl
• Fuel pump
• G104 (near starter)
• Generator turn on sig
• Gmlan serial data (+)
• Hi spd gmlan serial data (-)
• Hot at all times
• Hot w/ ignition main relay energized
• Ign fuse 20a
• Intake air temp sens low ref
• Intake air temp sens sig
• J140
• J154
• Low spd cooling fan cntrl
• Mass air flow sens sig
• Mass air flow/ intake air temperature sensor (intake, after air cleaner)
• Power distribution system
• Run/crank ign 1 volt
• Run/crank ignition 1 voltage
• Starter relay coil control
• Starting/charging system
• Underhood fuse block (left rear corner of engine compt)
• X111
• X230

1.2L VIN 9, Engine Performance Wiring Diagram, CVT (2 of 5) for Chevrolet Spark LT 2014

List of elements for 1.2L VIN 9, Engine Performance Wiring Diagram, CVT (2 of 5) for Chevrolet Spark LT 2014:

• (top of cylinder head)
• (top of fuel tank) evaporative emissions vent solenoid valve
• Battery fuse block
• Check engine ind ctrl
• Computer data lines system
• Fuel level sensor
• Fuel pump
• Fuel pump & level sensor assembly (top of fuel tank)
• Fuel pump fuse 15a
• Fuel pump relay
• Fuse 150a
• G104 (near starter)
• G107 (near water pump)
• G303 (center of dash)
• Hot at all times
• Hot w/ ignition main relay energized
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Instrument cluster
• J154
• J170
• J171
• J172
• J173
• J174
• J175
• J353
• Lo spd gmlan serial data
• Logic
• Mal- function ind
• Nca
• Reduced engine power ind
• Spark plug
• Underhood fuse block (left rear corner of engine compt)
• X130
• X170
• X201
• X230
• X350

1.2L VIN 9, Engine Performance Wiring Diagram, CVT (3 of 5) for Chevrolet Spark LT 2014

List of elements for 1.2L VIN 9, Engine Performance Wiring Diagram, CVT (3 of 5) for Chevrolet Spark LT 2014:

• (left side of intake manifold) manifold absolute pressure sensor
• (rear of engine) evaporative emission (evap) purge solenoid valve
• (top of brake pedal assembly) brake pedal position sensor
• 5 volt ref
• Bank 2 sens 2
• Engine control module (ecm) (near battery)
• Engine coolant temperature sensor 1 (near thermostat)
• Evap control
• Exterior lights system
• Fuel tank pressure sensor (top of fuel tank)
• Low ref
• Sens sig
• Sply volt
• X230
• X350

1.2L VIN 9, Engine Performance Wiring Diagram, CVT (4 of 5) for Chevrolet Spark LT 2014

List of elements for 1.2L VIN 9, Engine Performance Wiring Diagram, CVT (4 of 5) for Chevrolet Spark LT 2014:

• (exhaust manifold, upstream of catalytic converter) heated oxygen sensor 1
• (exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (front of transmission) crankshaft position (ckp) sensor
• (top of engine) fuel injectors
• Bank 2 sens 2
• Engine control module (ecm) (near battery)
• Exhaust camshaft position sensor (exhaust camshaft sprocket)
• Intake camshaft position sensor (intake camshaft sprocket)
• J123
• Nca
• Sens sig
• X160

1.2L VIN 9, Engine Performance Wiring Diagram, CVT (5 of 5) for Chevrolet Spark LT 2014

List of elements for 1.2L VIN 9, Engine Performance Wiring Diagram, CVT (5 of 5) for Chevrolet Spark LT 2014:

• 60x sensor low ref
• 60x sensor volt
• Camshaft cam w gnd
• Camshaft cam w sig
• Camshaft cam w sply gnd
• Camshaft cam y gnd
• Camshaft cam y sig
• Camshaft phaser solenoid 1
• Camshaft phaser solenoid 2
• Crankshaft 60x sensor low ref
• Engine control module (ecm) (near battery)
• Exhaust camshaft position (cmp) actuator solenoid valve (right rear of engine)
• Fuel inj cntrl 3
• Fuel injector ctrl 1
• Fuel injector ctrl 3
• Fuel injector ctrl 4
• G104 (near starter)
• Ground
• Ign control 2
• Ign control 4
• Ignition control
• Ignition control 4
• Intake camshaft position (cmp) actuator solenoid valve (right front of engine)
• J154
• Knock sens0r sig 1
• Knock sensor (on rear side of engine block, near middle of engine)
• Knock sensor low ref 1
• Low ref
• Low ref bank 1
• Oxygen sensor 1
• Sens 2 low ref
• Tac close
• Tac open
• Throttle body (on intake manifold)
• Tps 5 volt ref
• Tps low ref
• Tps sig 1
• Tps sig 2

1.2L VIN 9, Engine Performance Wiring Diagram, M/T (1 of 4) for Chevrolet Spark LT 2014

List of elements for 1.2L VIN 9, Engine Performance Wiring Diagram, M/T (1 of 4) for Chevrolet Spark LT 2014:

• (or 6109)
• (or 6110)
• (or 6111)
• (right side radiator tank) engine coolant temperature sensor 2
• A/c comp clutch rly ctrl
• A/c pressure sensor 5v ref
• A/c refreg sens sig
• Acc pedal pos 5v ref 1
• Acc pedal pos 5v ref 2
• 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 sensor (top of accelerator pedal assembly)
• Air conditioning system
• Battery positive voltage
• Check engine indicator ctrl
• Cnstr fuse 10a
• Computer data
• Computer data lines system
• Coolant temp sens 2 low ref
• Coolant temp sensor 2 sig
• Cooling fans system
• Cooling fans system air conditioning system
• Cruise control system
• Cruise/etc/tcc brake sig
• Ecm/ tcm1 fuse 15a
• Ecm/tcm 2 fuse 15a
• Emis 1 fuse 15a
• Emis2 fuse 15a
• Eng main relay coil control
• Engine control module (ecm) (near battery)
• Engine controls ignition relay
• Evap canister vent sol ctrl
• Exterior lights system starting/ charging system
• Fuel level sensor low ref
• Fuel pump primary relay ctrl
• Fuel tank pressure sensor (top of fuel tank)
• Fuel tank pressure snsr sig
• G104 (near starter)
• High spd cooling fan rly ctrl
• High spd gmlan serial data (+)
• High spd gmlan serial data (-)
• Hot at all times
• Hot w/ ignition main relay energized
• Ign fuse 20a
• Intake air temp sensor sig
• Intake air temp snsr low ref
• J140
• J154
• J350
• Lines system
• Low spd cooling fan rly ctrl
• Mass air flow sensor sig
• Mass air flow/ intake air temperature sensor (intake, after air cleaner)
• Pnp sw park sig
• Power distribution system
• Powertrain main rly sply 1
• Pressure sens 5v ref
• Primary fuel level sensor sig
• Reverse sw sig
• Run/crank ignition 1 voltage
• Sensor low ref
• Starter relay coil ctrl
• Starting/ charging & exterior lights systems
• Starting/charging & exterior lights systems
• Starting/charging system
• Thermostat engine cool ctrl
• Underhood fuse block (left rear corner of engine compt)
• Vss low ref
• Vss sig
• Vss sply
• X111
• X230
• X350

1.2L VIN 9, Engine Performance Wiring Diagram, M/T (2 of 4) for Chevrolet Spark LT 2014

List of elements for 1.2L VIN 9, Engine Performance Wiring Diagram, M/T (2 of 4) for Chevrolet Spark LT 2014:

• (exhaust manifold, upstream of catalytic converter) heated oxygen sensor 1
• (exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (rear of transmission case) vehicle speed sensor
• (top of cylinder head)
• (top of fuel tank) evaporative emissions vent solenoid valve
• Check engine ind ctrl
• Computer data lines system
• Engine coolant thermostat heater (thermostat housing)
• Engine) j170
• Fuel level sensor
• Fuel pump
• Fuel pump & level sensor assembly (top of fuel tank)
• G107 (near water pump)
• G303 (center of dash)
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Instrument cluster
• J171
• J172
• J173
• J174
• J175
• J353
• Lo spd gmlan serial data
• Logic
• Mal- function ind
• Nca
• Reduced engine power ind
• Spark plug
• X170
• X201
• X230
• X350

1.2L VIN 9, Engine Performance Wiring Diagram, M/T (3 of 4) for Chevrolet Spark LT 2014

List of elements for 1.2L VIN 9, Engine Performance Wiring Diagram, M/T (3 of 4) for Chevrolet Spark LT 2014:

• (engine harness center top of engine)
• (front of transmission) crankshaft position (ckp) sensor
• (on rear side of engine block, near middle of engine)
• (rear of engine) evaporative emission (evap) purge solenoid valve
• (top of engine) fuel injectors
• Engine coolant temperature sensor 1 (near thermostat)
• Exhaust camshaft position sensor (exhaust camshaft sprocket)
• Fuel pump fuse 15a
• Fuel pump relay
• G104 (near starter)
• Hot w/ ignition run relay energized
• J154
• J160
• Knock sensor
• Manifold absolute pressure sensor (left side of intake manifold)
• Underhood fuse block (left rear corner of engine compt)
• X160

1.2L VIN 9, Engine Performance Wiring Diagram, M/T (4 of 4) for Chevrolet Spark LT 2014

List of elements for 1.2L VIN 9, Engine Performance Wiring Diagram, M/T (4 of 4) for Chevrolet Spark LT 2014:

• Battery fuse block
• Cam phaser w return low ref
• Cam phaser y return low ref
• Camshaft cam w ground
• Camshaft cam w sig
• Camshaft cam y ground
• Camshaft cam y sig
• Camshaft phaser intake solenoid 1
• Coolant temp sensor low ref
• Crankshaft 60x sensor low ref
• Crankshaft 60x sensor sig
• Crankshaft 60x sensor voltage
• Engine control module (ecm) (near battery)
• Engine coolant temp sensor sig
• Engine oil pressure switch (near generator)
• Evap canister purge solenoid ctrl
• Exhaust camshaft position (cmp) actuator solenoid valve (right rear of engine)
• Fuel injector ctrl 1
• Fuel injector ctrl 2
• Fuel injector ctrl 3
• Fuel injector ctrl 4
• Fuse 150a
• G104 (near starter)
• Generator field duty cycle sig
• Generator turn on sig
• Ground
• Ho2s high sig bank 1 sensor 2
• Ho2s high sig bank 2 sensor 1
• Ho2s high sig bank 2 sensor 2
• Ho2s htr high ctrl bank 1 snsr 1
• Ho2s low sig bank 1 sensor 2
• Ho2s low sig bank 2 sensor 1
• Ho2s low sig bank 2 sensor 2
• Hot at all times
• Ignition control 1
• Ignition control 2
• Ignition control 3
• Ignition control 4
• Ignition ctrl low ref bank 1
• Intake camshaft position (cmp) actuator solenoid valve (right front of engine)
• Intake camshaft position sensor (intake camshaft sprocket)
• J154
• Knock sensor low reference 1
• Knock sensor sig 1
• Map sensor 5v ref
• Map sensor low ref
• Map sensor sig
• Oil pressure switch sig
• Starting/charging system
• Throttle actuator ctrl close
• Throttle actuator ctrl open
• Throttle body (on intake manifold)
• Throttle position sensor 5v ref
• Throttle position sensor low ref
• Throttle position sensor sig 1
• Throttle position sensor sig 2