ENGINE PERFORMANCE – Chevrolet Volt 2011 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

1.4L VIN 4

1.4L VIN 4, Engine Controls Wiring Diagram (1 of 6) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Engine Controls Wiring Diagram (1 of 6) for Chevrolet Volt 2011:

• (left front corner of engine compt) engine control module (ecm)
• (rear of fuel tank) evaporative emission system leak detection pump assembly
• (top of fuel tank) fuel tank pressure (ftp) sensor
• 5 volt ref
• Check engine ind ctrl
• Cluster system instrument
• Computer data lines system
• Cylinder shutoff sol crtl
• Engine coolant temp sens sig
• Engine coolant temperature (ect) sensor (rear of engine)
• Evap canister pur sol ctrl
• Evap emis leak detc pmp assm
• Evap emis leak detc pmp ref
• Evap emis leak detc pmp sig
• Evap emis vent sol vlv gnd
• Fuel tank press sens sig
• Fuel temp/comption sig
• H (not used)
• Ho2s high sig bank 1 sens 2
• Ho2s htr hi ctrl bank1 sens2
• Ho2s low sig bank 1 sens 2
• Instrument cluster
• Instrument cluster system
• J377 (evaporative emissions harness, 13.5 cm from x355 connector breakout)
• Lo spd gmlan serial data
• Logic
• Low ref
• Malfunc- tion ind
• Manfold absolt press sens sig
• Manifold absolute pressure (map) sensor (in intake manifold)
• Primary fuel lvl sens sig
• X190
• X225
• X350
• X351

1.4L VIN 4, Engine Controls Wiring Diagram (2 of 6) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Engine Controls Wiring Diagram (2 of 6) for Chevrolet Volt 2011:

• (exhaust manifold) heated oxygen sensor 1
• (exhaust, downstream of catalytic converter) heated oxygen sensor 2
• (intake manifold assembly) evaporative emission (evap) purge solenoid valve
• (rear of fuel tank) evaporative emission vent solenoid valve
• Accelerator pedal position (app) sensor (near accelerator pedal bracket)
• Engine coolant radiator temperature sensor (right side of radiator)
• Exhaust camshaft position (cmp) actuator solenoid valve (left front of engine)
• Intake camshaft position (cmp) actuator solenoid valve (right front of engine)
• Mass air flow (maf)/intake air temperature sensor (intake, after air cleaner)
• Nca
• X102
• X190
• X225

1.4L VIN 4, Engine Controls Wiring Diagram (3 of 6) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Engine Controls Wiring Diagram (3 of 6) for Chevrolet Volt 2011:

• 5 volt ref
• A/c rfgt pr sens sig
• Acc pedal pos sig 1
• Acc pedal pos sig 2
• Battery positive volt
• Ccm/vicm fuse 5a
• Check engine ind ctrl
• Computer data lines
• Cooling fans system
• Coolt temp sens 2 sig
• Cruise/etc/tcc brk sig
• Ecm fuse 15a
• Ecm fuse 5a
• Ecm/tcm fuse 5a
• Emis fuse 10a
• Engine control module (ecm) (left front corner of engine compt)
• Engine controls ignition relay
• Engine main rly ctrl
• Evel/ elcm fuse 10a
• Exterior lights system
• F p primary rly ctrl
• Fan rly ctrl low spd cooling
• Fscm fuse 15a
• Hot at all times
• Hot w/ ign run relay energized
• Hs gmlan + 1
• Hs gmlan + 3
• Hs gmlan - 1
• Hs gmlan - 3
• Ign coil fuse 15a
• In air temp sens sig
• Inj fuse 10a
• J125
• J128
• J376
• Lines system computer data
• Low ref
• Mas air flow sens sig
• Rear body fuse block (left rear corner of luggage compt)
• Run/crank ign 1 volt
• System
• Underhood fuse block (left side of engine compt)
• Wakeup serial data 2
• X190

1.4L VIN 4, Engine Controls Wiring Diagram (4 of 6) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Engine Controls Wiring Diagram (4 of 6) for Chevrolet Volt 2011:

• (right side of engine) fuel injectors
• 5 volt ref
• Batt +
• Fuel
• 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
• G106 (top left rear of engine)
• G405 (right side of luggage compt)
• Gnd
• Hs gmlan + 1
• Hs gmlan - 1
• Ignition coil module (top rear of engine)
• Low ref
• Nca
• Pump
• Run/crak ign 1 volt
• Serl data comm enbl
• Shield
• System data lines computer
• Underhood fuse block (left side of engine compt)
• X350
• X354

1.4L VIN 4, Engine Controls Wiring Diagram (5 of 6) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Engine Controls Wiring Diagram (5 of 6) for Chevrolet Volt 2011:

• A/c refrigerant pressure sensor (right front of engine compt)
• Crankshaft position (ckp) 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)
• Intake camshaft position sensor (right front of cylinder head)
• Knock sensor (right side of engine)
• X102
• X355

1.4L VIN 4, Engine Controls Wiring Diagram (6 of 6) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Engine Controls Wiring Diagram (6 of 6) for Chevrolet Volt 2011:

• (left front corner of engine compt)
• 5 volt ref
• Camshaft cam x sup volt 1
• Camshaft pos exhaust sens 1
• Camshaft pos in sens spy volt 1
• Camshaft pos intake sens 1
• Cmp phaser exhaust sol 1
• Cmp phaser intake sol 1
• Crankshaft 60x sens sig
• Crankshaft 60x sens volt
• Engine control module (ecm)
• Engine coolant thermostat heater (left front of engine)
• Fuel inj ctrl 1
• Fuel inj ctrl 2
• Fuel inj ctrl 3
• Fuel inj ctrl 4
• G113 (rear of transmission assembly)
• 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

1.4L VIN 4, Hybrid System Wiring Diagram (1 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (1 of 13) for Chevrolet Volt 2011:

• (engine harness, 5 cm from power steering control module breakout)
• (left side of engine compt) power inverter module
• 300v u phase
• 300v v phase
• 300v w phase
• 300v+
• 300v-
• Air conditioning system
• Automatic transmission assembly
• Batt pos volt
• Computer data lines system
• Cos +
• Cos -
• Drive motor 1 temperature sensor
• Drive motor 2
• Drive motor 2 temperature sensor
• Drive motor control module 1
• Drive motor control module 2
• Excitation +
• Excitation -
• Ground shield
• Hot at all times
• Hot w/ ignition run relay energized
• Hybrid powertrain control module 1
• J126
• J130 (engine harness on power inverter module breakout, 28.5 cm from power inverter module x3)
• Nca
• Rtn
• Serial data +
• Serial data -
• Sig
• Sin +
• Sin -
• Tpim fuse 10a
• Tpim/tcm fuse 15a
• Underhood fuse block (left side of engine compt)

1.4L VIN 4, Hybrid System Wiring Diagram (2 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (2 of 13) for Chevrolet Volt 2011:

• 12v
• 12v ref
• 300v u phase
• 300v v phase
• 300v w phase
• Automatic transmission assembly
• Auxiliary transmission fluid pump
• Auxiliary transmission fluid pump control module
• Batt pos volt
• Computer data lines system
• Contactor status
• Drive motor 1
• G107
• Gnd
• Hybrid powertrain control module 1
• Ims mode sw d1 sig
• Ims mode sw d2 sig
• Ims mode sw r1 sig
• Ims mode sw r2 sig
• Ims mode sw s sig
• Logic
• Nca
• Power inverter module (left side of engine compt)
• Red
• Red b
• Run/crnk ign 1 volt
• Serial data 2
• Sig gnd
• Transmission internal mode switch
• X190

1.4L VIN 4, Hybrid System Wiring Diagram (3 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (3 of 13) for Chevrolet Volt 2011:

• (diagram 5 of 13)
• 14v power module jumper connector
• 5 volt ref
• A/c compressor jumper connector
• Air conditioning system
• Anti-theft system
• Batt (-) rly ctrl
• Batt 1 (+) rly ctrl
• Batt 2 (+) rly ctrl
• Batt 3 (+) rly ctrl
• Batt 3 (-) rly ctrl
• Batt pos volt
• Bus high serial data
• Bus low serial data
• Charge port door open request switch
• Computer data lines system
• Coolant temp sens sig
• Coolant valve sens sig
• Cooling fans system
• Empty fuse 20a
• Fuel door open sig
• Fuel door release sw sig
• Fuel door status sig
• G302 (under front passenger's door sill trim)
• Ground
• High ref
• Hood open switch sig
• Hot at all times
• Hvac mode sens sig
• Hybrid battery pack coolant control valve (right rear of engine compt)
• Hybrid powertrain control module 2
• Interlock loop sig 1
• J517
• Loop sig 2
• Low press sens sig
• Low ref
• Port door sw sig
• Power inverter module assembly cable cover
• Pwm sig
• Rear body fuse block (left rear corner of luggage compt)
• Refrigerant sens sig
• Serial data (+)
• Serial data (-)
• To battery charger jumper connector (diagram 5 of 13)
• To hybrid battery pack (diagram 8 of 13)
• To hybrid battery pack b
• Trunk, tailgate, fuel doors system
• Underhood fuse block (left side of engine compt)
• Vicm fuse 10a
• X190
• X350
• X500
• X505

1.4L VIN 4, Hybrid System Wiring Diagram (4 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (4 of 13) for Chevrolet Volt 2011:

• Auxiliary heater ctrl
• B+ volt
• Battery fuse block (rear of luggage compt)
• Battery state of charge indicator
• Body control module (under right side of dash)
• Ccm/vicm fuse 5a
• Charge port door position switch (behind rear of left front fender)
• Communication enable
• Computer data lines system
• Contactor status
• Control pilot sig 1
• Coolant motor enable
• Coolant mtr ctrl
• Cooling fan ctrl
• Cooling fan enable
• Cooling fan feedback sig
• Cooling fan speed sig
• Cooling fans system
• Cooling fans system air conditioning system
• Cooling fans system computer data lines system
• Fan control signal
• Fuel door lck/unlck ref
• Fuel door lck/unlck sig
• Fuse 200a
• G103 (front of left frame rail)
• G105 (front of right frame rail)
• Gmlan serial data
• Gnd
• High control
• High voltage fault sig
• Hot at all times
• Hot w/ ignition run relay energized
• Hybrid battery pack coolant pump (front of engine compt, behind radiator)
• Hybrid powertrain control module 2
• Ind ctrl
• Low reference
• Mode mtr low ctrl
• Motor feedback sig
• Mtr ctrl
• Mtr enable
• Mtr feed- back sig
• Mtr feedback signal
• Nca
• Pilot sig ind ctrl
• Port door rly ctrl
• Port door sens sig
• Port door wakeup sig
• Proximity status signal 1
• Refuel request sw sig
• Run/crank ign 1 volt
• Serial data 2
• Sol valve ctrl
• To hybrid battery pack (diagram 6 of 13)
• To hybrid battery pack (diagram 8 of 13)
• Trunk, tailgate, fuel doors system
• Underhood fuse block (left side of engine compt)
• Wakeup serial data
• X103
• X107
• X250
• X275

1.4L VIN 4, Hybrid System Wiring Diagram (5 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (5 of 13) for Chevrolet Volt 2011:

• (behind rear of left front fender) charge port door actuator
• (not used)
• 14v power module (center of luggage compt)
• Batt pos volt
• Battery charger (right front corner of engine compt)
• Battery charger control module
• Battery charger jumper connector
• Charge port door relay
• Chrg dr fuse 20a
• Chrgr fuse 40a
• Communication enable
• Computer data lines system
• Coolant heater control module jumper connector
• From hybrid powertrain control module 2 (diagram 3 of 13)
• Fuse 20a
• G103 (front of left frame rail)
• G104 (front of right frame rail)
• G401
• Ground
• Hi volt batt (+)
• Hi volt batt (-)
• High serial data
• High volt batt (+)
• High volt batt (-)
• Hot at all times
• Hot w/ ignition run relay energized
• Hybrid battery charger receptacle (behind rear of left front fender)
• Hybrid battery pack (under center of vehicle)
• Hybrid battery pack high voltage manual disconnect lever (top rear of hybrid battery pack section 2)
• Hybrid/ev battery contactor assembly
• Hybrid/ev battery pack connector jumper harness
• Hybrid/ev battery pack fuse cover
• Hybrid/ev battery pack fuse insulator
• Ign 1 volt
• Low serial data
• Misc run/crnk fuse 5a
• Nca
• Ress cool pump fuse 10a
• Run/crnk ign 1 volt
• Serial data (+)
• Serial data (-)
• To hybrid battery pack (diagram 8 of 13)
• Underhood fuse block (left side of engine compt)
• Voltage ac ground
• Voltage ac line 1
• Wakeup data 2
• Wakup serial data 2
• X105

1.4L VIN 4, Hybrid System Wiring Diagram (6 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (6 of 13) for Chevrolet Volt 2011:

• (diagram 4 of 13)
• (under center of vehicle) hybrid battery pack
• (under front passenger's door sill trim) g302
• Abs/ress chrgr fuse 5a
• Batt pos volt
• Battery energy control module
• Case ground
• Communication enable
• Computer data lines system
• Data communication (+)
• Data communication (-)
• From hybrid powertrain control module a
• G340
• G341
• Ground
• High voltage fault sig
• Hot at all times
• Hot w/ ignition run relay energized
• Hybrid/ev battery contactor assembly
• Hybrid/ev battery pack coolant heater
• Hybrid/ev battery pack coolant temperature sensor
• Hybrid/ev battery pack coolant temperature sensor 2
• Ign 1 volt
• Inlet temp sens (+)
• Inlet temp sens (-)
• Logic
• Outlet temp sens (+)
• Outlet temp sens (-)
• Pnk
• Red
• Ress fuse 10a
• Serial data (+)
• Serial data (-)
• Storage +
• Tan
• Underhood fuse block (left side of engine compt)
• Wakup serial data 2

1.4L VIN 4, Hybrid System Wiring Diagram (7 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (7 of 13) for Chevrolet Volt 2011:

• (under center of vehicle) hybrid battery pack
• 5v ref
• Battery energy control module
• Current sens sig
• Current sens signal
• Current sens volt ref
• High 2 serial data
• High volt fault sig
• Hybrid battery interface control module 1
• Hybrid battery interface control module 2
• Hybrid battery interface control module 3
• Hybrid battery interface control module 4
• Hybrid/ev battery pack current sensor
• Low 2 serial data
• Low ref
• Nca
• Sig gnd
• To hybrid/ev battery battery module 6 (diagram 11 of 13)
• To hybrid/ev battery module 7 (diagram 12 of 13)

1.4L VIN 4, Hybrid System Wiring Diagram (8 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (8 of 13) for Chevrolet Volt 2011:

• 300v+
• Battery charging system positive contactor
• Battery energy control module
• From 14v power module (diagram 5 of 13)
• From battery charger (diagram 5 of 13)
• From hybrid powertrain control module (diagram 3 of 13)
• From hybrid powertrain control module (diagram 4 of 13)
• Fuse 20a
• G302 (under front passenger's door sill trim)
• Hybrid/ev battery contactor assembly
• Hybrid/ev battery coolant heater transistor
• Hybrid/ev battery multifunction contactor
• Hybrid/ev battery pack
• Hybrid/ev battery pack coolant heater
• Hybrid/ev battery pack fuse insulator
• Hybrid/ev battery positive contactor
• Hybrid/ev battery precharge resistor
• Hybrid/ev battery precharge transistor
• Logic
• Nca
• Pnk
• Pos status
• Power inverter module (left side of engine compt)
• Red
• To hybrid/ev battery module (diagram 9 of 13)
• To hybrid/ev battery module 9 (diagram 13 of 13)

1.4L VIN 4, Hybrid System Wiring Diagram (9 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (9 of 13) for Chevrolet Volt 2011:

• Batt vol sig 1
• Batt vol sig 10
• Batt vol sig 11
• Batt vol sig 12
• Batt vol sig 13
• Batt vol sig 14
• Batt vol sig 15
• Batt vol sig 16
• Batt vol sig 17
• Batt vol sig 18
• Batt vol sig 2
• Batt vol sig 3
• Batt vol sig 4
• Batt vol sig 5
• Batt vol sig 6
• Batt vol sig 7
• Batt vol sig 8
• Batt vol sig 9
• Hybrid battery pack section 3 (rear section of hybrid battery assembly)
• Hybrid/ev battery interface control module 4
• Hybrid/ev battery module 1
• Hybrid/ev battery module 2
• Hybrid/ev battery temperature sensor 1
• Hybrid/ev battery temperature sensor 2
• Hybrid/ev battery temperature sensor 3
• Low ref
• Nca
• Temp sig 1
• Temp sig 2
• Temp sig 3
• To hybrid/ev battery module 3 (diagram 10 of 13)

1.4L VIN 4, Hybrid System Wiring Diagram (10 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (10 of 13) for Chevrolet Volt 2011:

• Batt vol sig 1
• Batt vol sig 10
• Batt vol sig 11
• Batt vol sig 12
• Batt vol sig 2
• Batt vol sig 3
• Batt vol sig 4
• Batt vol sig 5
• Batt vol sig 6
• Batt vol sig 7
• Batt vol sig 8
• Batt vol sig 9
• From hybrid/ev battery module 2 (diagram 9 of 13)
• Hybrid battery pack section 3 (rear section of hybrid battery assembly)
• Hybrid/ev battery interface control module 3
• Hybrid/ev battery module 3
• Hybrid/ev battery module 4
• Hybrid/ev battery temperature sensor 4
• Hybrid/ev battery temperature sensor 5
• Hybrid/ev battery temperature sensor 6
• Hybrid/ev battery temperature sensor 7
• Low ref
• Nca
• Temp sig 4
• Temp sig 5
• Temp sig 6
• Temp sig 7
• To hybrid battery pack section 2 (diagram 11 of 13)

1.4L VIN 4, Hybrid System Wiring Diagram (11 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (11 of 13) for Chevrolet Volt 2011:

• (middle section of hybrid battery assembly) hybrid battery pack section 2
• Batt vol sig 1
• Batt vol sig 10
• Batt vol sig 11
• Batt vol sig 12
• Batt vol sig 2
• Batt vol sig 3
• Batt vol sig 4
• Batt vol sig 5
• Batt vol sig 6
• Batt vol sig 7
• Batt vol sig 8
• Batt vol sig 9
• From hybrid/ev battery module 4 (diagram 10 of 13)
• From hybrid/ev battery pack current sensor (diagram 7 of 13)
• Fuse 350a
• Hybrid battery pack high voltage manual disconnect lever (top rear of hybrid battery pack section 2)
• Hybrid/ev battery interface control module 2
• Hybrid/ev battery module 5
• Hybrid/ev battery module 6
• Hybrid/ev battery temperature sensor 10
• Hybrid/ev battery temperature sensor 11
• Hybrid/ev battery temperature sensor 8
• Hybrid/ev battery temperature sensor 9
• Low ref
• Nca
• Temp sig 10
• Temp sig 11
• Temp sig 8
• Temp sig 9

1.4L VIN 4, Hybrid System Wiring Diagram (12 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (12 of 13) for Chevrolet Volt 2011:

• Batt vol sig 1
• Batt vol sig 10
• Batt vol sig 11
• Batt vol sig 12
• Batt vol sig 2
• Batt vol sig 3
• Batt vol sig 4
• Batt vol sig 5
• Batt vol sig 6
• Batt vol sig 7
• Batt vol sig 8
• Batt vol sig 9
• From hybrid/ev battery pack current sensor (diagram 7 of 13)
• Hybrid battery pack section 1 (front section of hybrid battery assembly)
• Hybrid/ev battery interface control module 1
• Hybrid/ev battery module 7
• Hybrid/ev battery module 8
• Hybrid/ev battery temperature sensor 12
• Hybrid/ev battery temperature sensor 13
• Hybrid/ev battery temperature sensor 14
• Hybrid/ev battery temperature sensor 15
• Low ref
• Nca
• Temp sig 12
• Temp sig 13
• Temp sig 14
• Temp sig 15
• To hybrd/ev battery module 9 (diagram 13 of 13)

1.4L VIN 4, Hybrid System Wiring Diagram (13 of 13) for Chevrolet Volt 2011

List of elements for 1.4L VIN 4, Hybrid System Wiring Diagram (13 of 13) for Chevrolet Volt 2011:

• Batt vol sig 12
• Batt vol sig 13
• Batt vol sig 14
• Batt vol sig 15
• Batt vol sig 16
• Batt vol sig 17
• Batt vol sig 18
• From hybrid/ev battery module 8 (diagram 12 of 13)
• From hybrid/ev battery positive contactor (diagram 8 of 13)
• Hybrid battery pack section 1 (front section of hybrid battery assembly)
• Hybrid/ev battery interface control module 1
• Hybrid/ev battery module 9
• Hybrid/ev battery temperature sensor 16
• Low ref
• Nca
• Temp sig 16