ENGINE PERFORMANCE – Chevrolet Sonic LS 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.4L VIN B

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

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

• (in automatic transmission) (m/t) transmission output shaft speed sensor
• (or 5380)
• (or 5381)
• (or 5382)
• (right side of intake manifold) turbocharger bypass solenoid valve
• (top of fuel tank) fuel tank pressure sensor
• (w/ emission system)
• 5 volt ref
• A/t
• Absolt press sens sig
• Brake pedal position sensor (top of brake pedal assembly)
• Brk pos sens 5v ref
• Brk pos sens low ref
• Brk pos sens sig
• Clutch low ref
• Clutch pedal position sensor (on clutch pedal assembly)
• Clutch sens sig
• Computer data lines
• Driver information center(dic) display
• Eng coolant temp sens sig
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temp ind
• Engine coolant temperature (ect) sensor 1 (rear of engine block)
• 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
• J145 (notch back) x202
• J146 (notch back)
• J147 (notch back)
• Lo spd gmlan serial data
• Logic
• Low ref
• M/t
• Mal- function ind
• Manifold absolute pressure sensor (right rear of engine in intake manifold)
• Oil level ind
• Output spd sens sig
• Overrun air valve sol
• Primary fuel lvl sens sig
• Reverse sw sig
• Starting/charging system
• System
• Waste gate sol ctrl
• X101
• X202
• X350

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

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

• (exhaust manifold) heated oxygen sensor 1
• (exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (m/t)
• (right side of engine) evaporative emission 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 (lower right side of radiator)
• Exhaust camshaft position actuator solenoid valve (left front of engine)
• G104 (rear of cylinder bank)
• Intake camshaft position actuator solenoid valve (right front of engine)
• J110
• Multi-function intake air sensor (intake, after air cleaner)
• Nca
• Turbocharger wastegate solenoid valve
• X100
• X101
• X1091
• X202
• X350

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

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

• 5 volt ref
• A/c compr clth rly ctrl
• A/c rfgt pr sens sig
• Acc pedal pos sig 1
• Acc pedal pos sig 2
• Battery fuse block (next to left front strut tower)
• Charge ind ctrl
• Check engine ind ctrl
• Cooling fans system
• Cruise/etc/tcc brk sig
• D10
• Ecm 1 fuse 10a
• Ecm 2 fuse 20a
• Ecm 3 fuse 10a
• Ecm 4 fuse 10a
• Ecm 5 fuse 10a
• Ecm fuse 15a
• Engine control module (ecm) (left side of engine compt)
• Engine controls ignition relay
• Evap canstr vent ctrl
• Fans system cooling
• Flex fuel fuse 10a
• Fscm 1 fuse 20a
• Fscm 2/levelling fuse 10a
• Fuse 150a
• High speed relay ctrl
• Hot at all times
• Hot w/ ign main relay energized
• Ign
• Injector ig coil fuse 15a
• Intake sens ctrl
• J117
• J118
• J12
• J132
• J133
• Lines system computer data
• Low ref
• Low spd cooling
• Mas air flow sens sig
• Park netrl pos sw sig
• Powertrain rly ctrl
• Pre tr air temp pr sig
• Pres sens 5 v ref
• Press sens sig
• Primary rly ctrl
• Serial data + 1
• Serial data - 1
• Starter enble rly ctrl
• Starting/charging system
• System air conditioning
• System transmissions system cruise control
• Temp sens 2 sig
• Temp sens sig
• Underhood fuse block (next to left front strut tower)
• Underhood fuse block (next to left front x3 strut tower)
• W/ emission system
• Wakeup serial data

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

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

• (top of valve cover) ignition coil module
• (top right side of engine) fuel injectors
• Batt +
• Chassis control module
• Computer data lines system
• 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)
• Fuel pump ctrl
• Fuel pump rly ctrl
• G104 (rear of cylinder bank)
• G400 (right "c" pillar)
• Gnd
• Ground
• Hs gmlan +
• Hs gmlan -
• Ign ctrl 1
• Ign ctrl 2
• Ign ctrl 3
• Ign ctrl 4
• Ign volt
• Instrument cluster system
• J335
• J404
• J405
• J406
• Low ref
• Nca
• Serl data comm enbl
• Shield
• Turbocharger boost/intake air temperature sensor (attached to the air intake duct)
• Underhood fuse block (next to left front strut tower)
• X350

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

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

• A/c refrigerant pressure sensor (rear of a/c compressor)
• Body control module (left end of dash)
• Center console multi-function switch (a/t)
• Computer data lines system
• Crankshaft position sensor (lower right rear of engine)
• Econo switch
• Exhaust camshaft position sensor (left front of cylinder head)
• Fuel pressure sensor (right side of engine in fuel feed line)
• G301 (under center console)
• Hs gm lan +
• Hs gm lan -
• Intake camshaft position sensor (right front of cylinder head)
• J236
• Knock sensor (lower right side of engine)
• Sw sig
• X200

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

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

• (left front 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 (left side of engine compt)
• Engine oil pressure switch (left rear of engine)
• Fuel inj ctrl 1
• Fuel inj ctrl 2
• Fuel inj ctrl 3
• Fuel inj ctrl 4
• G104 (rear of cylinder bank)
• 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
• Knock sensor sig 1
• Low ref
• Oil press sw sig ctrl
• Powertrain main rly fuse sply 1
• Thermostat engine cool ctrl
• Throttle actuator ctrl close
• Throttle actuator ctrl open
• Throttle body (right front of engine, on intake manifold)
• Throttle position sensor sig 1
• Throttle position sensor sig 2
• Turbo boost press sens temp sig

1.8L VIN G

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

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

• (in automatic transmission) (m/t) transmission output shaft speed sensor
• (on clutch pedal assembly)
• (or 5380)
• (or 5381)
• (or 5382)
• (top of brake pedal assembly) brake pedal position sensor
• A/t
• Absolute press sens 5 volt ref
• Absolute press sens low ref
• Air inj reaction pump low ref clutch low ref brk pos sens low ref
• Brk pos sens sig
• Clutch pedal position sensor
• Clutch volt ref brk pos sens 5v ref
• Coolant temp sens low ref
• Coolant temp sens sig
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature sensor 1 (rear of engine block)
• Evap canister pur sol ctrl
• Exterior lights system
• Fuel level sens low ref
• Fuel tank press sens low ref
• Fuel tank pressure sensor (top of fuel tank)
• Generator duty sig
• Ho2s high sig bank 1 sens 2
• Ho2s htr hi ctrl bank1 sens 2
• Ho2s low sig bank 1 sens 2
• Intake mani fold ctrl (1)
• J303 (w/ emission system)
• M/t
• Manifold absolt press sens sig
• Manifold absolute pressure sensor (right front of engine, in intake manifold)
• Pos sig
• Primary fuel lvl sens sig
• Reverse sw sig
• Sens sig clutch sensor signal
• Sens sply
• Starting/charging system
• Trans output spd sens sply
• Trans speed sens sig
• Transmission spd sens low ref
• Vapor press sens sply volt
• X101
• X202
• X350

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

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

• (exhaust manifold) heated oxygen sensor 1
• (exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (right front of engine) evaporative emission (evap) purge
• (right side of fuel tank) evaporative emission vent solenoid valve
• A/t
• Accelerator pedal position sensor (top of accelerator pedal assembly)
• Computer data lines system
• Driver information center (dic) display
• Engine coolant temp ind
• Engine coolant temperature sensor 2 (lower right side of radiator)
• Exhaust camshaft position actuator solenoid valve (left front of engine)
• G104 (lower right rear of engine)
• Ign
• Instrument cluster
• Intake camshaft position actuator solenoid valve (right front of engine)
• J110
• J117 (engine harness, 11 cm above breakout to starter motor)
• Lo spd gmlan serial data
• Logic
• M/t
• Mal- function ind
• Multi-function intake air sensor (intake, after air cleaner)
• Nca
• Oil level ind
• Solenoid valve
• X100
• X101
• X202
• X350

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

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

• (engine harness, 14 cm from breakout to manifold tuning solenoid) j133
• (engine harness, 15.5 cm left of breakout to camshaft position sensor)
• 1.8l vin g
• 1.8l vin h
• 5 volt ref (1)
• 5 volt ref (2)
• A/c press sens 5 volt
• A/c rfgt pr sens sig
• Acc pedal pos sig (1)
• Acc pedal pos sig (2)
• Air temp sens lo ref
• Air temp sens sig
• Battery positive volt
• Canister vent flex fuel fuse 10a
• Check engine ind ctrl
• Comp clutch rly ctrl
• Cooling fan rly ctrl
• Cooling fans system
• Cruise/etc/tcc brk sig
• D10
• Ecm 1 fuse 10a
• Ecm 2 fuse 20a
• Ecm 3 fuse 10a
• Ecm 4 fuse 10a
• Ecm 5 fuse 10a
• Ecm fuse 15a
• Engine control module (ecm) (left side of engine compt)
• Engine controls ignition relay
• Evap canstr vent ctrl
• Fan rly ctrl
• From secondary air injection solenoid valve relay (diagram 4 of 7)
• Fscm 1 fuse 20a
• Generator turn on sig
• Gmlan ser data + (1)
• Gmlan ser data - (1)
• Hot at all times
• Hot w/ ignition main relay energized
• Injector/ ig coil fuse 15a
• J132
• Lines system computer data
• Low ref
• Mas air flow sens sig
• Park/neutral sig (1)
• Pedal pos lo ref (1)
• Pedal posi lo ref (2)
• Pmp rly coil ctrl
• Powertrain rly ctrl
• Pres sens 5 volt ref
• Press sens low ref
• Press sens sig
• Primary rly ctrl
• Run/crank ign 1 volt
• Starting/charging system
• Str rly coil ctrl
• System air conditioning
• Temp sens 2 lo ref
• Temp sens 2 sig
• To coil fuse (diagram 4 of 7)
• Transmissions system system cruise control
• Underhood fuse block (next to left front strut tower)
• Wakeup serial data

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

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

• (not used)
• (right rear of engine, on intake manifold)
• Battery fuse block (next to left front strut tower)
• Coil fuse 10a
• From ecm 4 fuse (diagram 3 of 7)
• Fscm 2/ leveling fuse 10a
• Fuse 150a
• G102 (left rear of engine compt)
• G104 (lower right rear of engine)
• Hot at all times
• Hot w/ ignition main relay energized
• Intake manifold tuning solenoid valve
• J12
• J122
• Sai pump fuse 40a
• Sai valve fuse 10a
• Secondary air injection pump
• Secondary air injection pump relay (california)
• Secondary air injection solenoid valve (left front corner of cylinder head)
• Secondary air injection solenoid valve relay (california)
• To engine controls ignition relay (diagram 3 of 7)
• Underhood fuse block (next to left front strut tower)

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

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

• (engine harness, 4.5 cm into breakout to engine control module)
• (fuel injector harness, 15 cm right of x160) j102
• (top of valve cover) ignition coil module
• (top right side of engine) fuel injectors
• 5 volt ref
• Batt posi volt
• Chassis control module
• Computer data lines system
• Ctrl 1 ign
• Ctrl 2 ign
• Ctrl 3 ign f
• Ctrl 4 ign g
• F sply 1 main rly pwrtn a
• Fuel press sens sig
• Fuel pump sply volt
• G104 (lower right rear of engine)
• G400 (right "c" pillar)
• Gmlan ser data + (1)
• Gmlan ser data - (1)
• Gnd
• Ground
• J118
• J335
• J404
• Low ref
• Nca
• Primary rly ctrl
• Run/crank ign 1 volt
• Ser data comm enbl
• Shield extension
• Underhood fuse block (next to left front strut tower)
• X160

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

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

• Bare
• Body control module (left end of dash)
• Center console multi-function switch (a/t)
• Computer data lines system
• Crankshaft position (ckp) sensor (right rear of engine)
• Econo
• Exhaust camshaft position sensor (left rear of cylinder head)
• Fuel level sensor
• Fuel pressure sensor (right side of engine in fuel feed line)
• Fuel pump
• Fuel pump & level sensor assembly (top of fuel tank)
• G301 (under center console)
• Hs gm-lan +
• Hs gm-lan -
• Intake camshaft position sensor (right rear of cylinder head)
• J236
• J405
• J406
• Knock sensor (lower right side of engine)
• Nca
• Sens low brk apy
• Sens sig brk apy
• Sens volt brk apy
• Sw sig
• X101
• X200
• X350

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

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

• 5 volt ref
• Camshaft exhaust 5 volt
• Camshaft exhaust low ref
• Camshaft exhaust sig
• Camshaft intake 5 volt
• Camshaft intake low ref
• Camshaft intake sig
• Camshaft phaser exhaust sol 1
• Camshaft phaser intake sol 1
• Crankshaft position sens sig
• Crankshaft position sens volt
• Engine control module (ecm) (left side of engine compt)
• Engine coolant thermostat heater (left rear of engine)
• Engine oil pressure switch (lower left front of engine)
• Fuel inj ctrl 1
• Fuel inj ctrl 2
• Fuel inj ctrl 3
• Fuel inj ctrl 4
• G104 (lower right 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
• 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 (right front of engine, on intake manifold)
• 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 Sonic LS 2014

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

• (in automatic transmission) (m/t) transmission output shaft speed sensor
• (on clutch pedal assembly)
• (or 5380)
• (or 5381)
• (or 5382)
• (top of brake pedal assembly) brake pedal position sensor
• A/t
• Absolute press sens 5 volt ref
• Absolute press sens low ref
• Air inj reaction pump low ref clutch low ref brk pos sens low ref
• Brk pos sens sig
• Clutch pedal position sensor
• Clutch volt ref brk pos sens 5v ref
• Coolant temp sens low ref
• Coolant temp sens sig
• Engine control module (ecm) (left side of engine compt)
• Engine coolant temperature sensor 1 (rear of engine block)
• Evap canister pur sol ctrl
• Exterior lights system
• Fuel level sens low ref
• Fuel tank press sens low ref
• Fuel tank pressure sensor (top of fuel tank)
• Generator duty sig
• Ho2s high sig bank 1 sens 2
• Ho2s htr hi ctrl bank1 sens 2
• Ho2s low sig bank 1 sens 2
• Intake mani fold ctrl (1)
• J303 (w/ emission system)
• M/t
• Manifold absolt press sens sig
• Manifold absolute pressure sensor (right front of engine, in intake manifold)
• Pos sig
• Primary fuel lvl sens sig
• Reverse sw sig
• Sens sig clutch sensor signal
• Sens sply
• Starting/charging system
• Trans output spd sens sply
• Trans speed sens sig
• Transmission spd sens low ref
• Vapor press sens sply volt
• X101
• X202
• X350

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

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

• (exhaust manifold) heated oxygen sensor 1
• (exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (right front of engine) evaporative emission (evap) purge
• (right side of fuel tank) evaporative emission vent solenoid valve
• A/t
• Accelerator pedal position sensor (top of accelerator pedal assembly)
• Computer data lines system
• Driver information center (dic) display
• Engine coolant temp ind
• Engine coolant temperature sensor 2 (lower right side of radiator)
• Exhaust camshaft position actuator solenoid valve (left front of engine)
• G104 (lower right rear of engine)
• Ign
• Instrument cluster
• Intake camshaft position actuator solenoid valve (right front of engine)
• J110
• J117 (engine harness, 11 cm above breakout to starter motor)
• Lo spd gmlan serial data
• Logic
• M/t
• Mal- function ind
• Multi-function intake air sensor (intake, after air cleaner)
• Nca
• Oil level ind
• Solenoid valve
• X100
• X101
• X202
• X350

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

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

• (engine harness, 14 cm from breakout to manifold tuning solenoid) j133
• (engine harness, 15.5 cm left of breakout to camshaft position sensor)
• 1.8l vin g
• 1.8l vin h
• 5 volt ref (1)
• 5 volt ref (2)
• A/c press sens 5 volt
• A/c rfgt pr sens sig
• Acc pedal pos sig (1)
• Acc pedal pos sig (2)
• Air temp sens lo ref
• Air temp sens sig
• Battery positive volt
• Canister vent flex fuel fuse 10a
• Check engine ind ctrl
• Comp clutch rly ctrl
• Cooling fan rly ctrl
• Cooling fans system
• Cruise/etc/tcc brk sig
• D10
• Ecm 1 fuse 10a
• Ecm 2 fuse 20a
• Ecm 3 fuse 10a
• Ecm 4 fuse 10a
• Ecm 5 fuse 10a
• Ecm fuse 15a
• Engine control module (ecm) (left side of engine compt)
• Engine controls ignition relay
• Evap canstr vent ctrl
• Fan rly ctrl
• From secondary air injection solenoid valve relay (diagram 4 of 7)
• Fscm 1 fuse 20a
• Generator turn on sig
• Gmlan ser data + (1)
• Gmlan ser data - (1)
• Hot at all times
• Hot w/ ignition main relay energized
• Injector/ ig coil fuse 15a
• J132
• Lines system computer data
• Low ref
• Mas air flow sens sig
• Park/neutral sig (1)
• Pedal pos lo ref (1)
• Pedal posi lo ref (2)
• Pmp rly coil ctrl
• Powertrain rly ctrl
• Pres sens 5 volt ref
• Press sens low ref
• Press sens sig
• Primary rly ctrl
• Run/crank ign 1 volt
• Starting/charging system
• Str rly coil ctrl
• System air conditioning
• Temp sens 2 lo ref
• Temp sens 2 sig
• To coil fuse (diagram 4 of 7)
• Transmissions system system cruise control
• Underhood fuse block (next to left front strut tower)
• Wakeup serial data

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

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

• (not used)
• (right rear of engine, on intake manifold)
• Battery fuse block (next to left front strut tower)
• Coil fuse 10a
• From ecm 4 fuse (diagram 3 of 7)
• Fscm 2/ leveling fuse 10a
• Fuse 150a
• G102 (left rear of engine compt)
• G104 (lower right rear of engine)
• Hot at all times
• Hot w/ ignition main relay energized
• Intake manifold tuning solenoid valve
• J12
• J122
• Sai pump fuse 40a
• Sai valve fuse 10a
• Secondary air injection pump
• Secondary air injection pump relay (california)
• Secondary air injection solenoid valve (left front corner of cylinder head)
• Secondary air injection solenoid valve relay (california)
• To engine controls ignition relay (diagram 3 of 7)
• Underhood fuse block (next to left front strut tower)

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

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

• (engine harness, 4.5 cm into breakout to engine control module)
• (fuel injector harness, 15 cm right of x160) j102
• (top of valve cover) ignition coil module
• (top right side of engine) fuel injectors
• 5 volt ref
• Batt posi volt
• Chassis control module
• Computer data lines system
• Ctrl 1 ign
• Ctrl 2 ign
• Ctrl 3 ign f
• Ctrl 4 ign g
• F sply 1 main rly pwrtn a
• Fuel press sens sig
• Fuel pump sply volt
• G104 (lower right rear of engine)
• G400 (right "c" pillar)
• Gmlan ser data + (1)
• Gmlan ser data - (1)
• Gnd
• Ground
• J118
• J335
• J404
• Low ref
• Nca
• Primary rly ctrl
• Run/crank ign 1 volt
• Ser data comm enbl
• Shield extension
• Underhood fuse block (next to left front strut tower)
• X160

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

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

• Bare
• Body control module (left end of dash)
• Center console multi-function switch (a/t)
• Computer data lines system
• Crankshaft position (ckp) sensor (right rear of engine)
• Econo
• Exhaust camshaft position sensor (left rear of cylinder head)
• Fuel level sensor
• Fuel pressure sensor (right side of engine in fuel feed line)
• Fuel pump
• Fuel pump & level sensor assembly (top of fuel tank)
• G301 (under center console)
• Hs gm-lan +
• Hs gm-lan -
• Intake camshaft position sensor (right rear of cylinder head)
• J236
• J405
• J406
• Knock sensor (lower right side of engine)
• Nca
• Sens low brk apy
• Sens sig brk apy
• Sens volt brk apy
• Sw sig
• X101
• X200
• X350

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

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

• 5 volt ref
• Camshaft exhaust 5 volt
• Camshaft exhaust low ref
• Camshaft exhaust sig
• Camshaft intake 5 volt
• Camshaft intake low ref
• Camshaft intake sig
• Camshaft phaser exhaust sol 1
• Camshaft phaser intake sol 1
• Crankshaft position sens sig
• Crankshaft position sens volt
• Engine control module (ecm) (left side of engine compt)
• Engine coolant thermostat heater (left rear of engine)
• Engine oil pressure switch (lower left front of engine)
• Fuel inj ctrl 1
• Fuel inj ctrl 2
• Fuel inj ctrl 3
• Fuel inj ctrl 4
• G104 (lower right 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
• 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 (right front of engine, on intake manifold)
• Throttle position sensor sig 1
• Throttle position sensor sig 2