ENGINE PERFORMANCE – Chevrolet Spark EV LT 2014 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

ELECTRIC

Electric, Engine Performance Wiring Diagram (1 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (1 of 17) for Chevrolet Spark EV LT 2014:

• Active grille air shutter actuator (rear of lower center grille opening)
• Back sig
• Batt pos volt
• Computer data lines system
• Cos -
• Cos+
• Ctrl aero shutter
• Drive motor control module
• Ecm fuse 10a
• Excitation
• Excitation +
• G311 (right rear of luggage compt)
• Hot at all times
• Hot w/ ignition main relay 2 energized
• Hybrid/ev powertrain control module 1
• Ign 1 volt run/crank
• J112
• Logic
• Power inverter module (under power inverter module assembly cable cover)
• Serial data +
• Serial data -
• Sin -
• Sin+
• Tpim 1 fuse 15a
• Tpim 2 fuse 10a
• Underhood fuse block (left rear corner of engine compt)
• X116

Electric, Engine Performance Wiring Diagram (2 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (2 of 17) for Chevrolet Spark EV LT 2014:

• (engine harness, 4.5 cm from g109 branch breakout)
• 5 volt ref
• A/c refrigerant pressure sensor (engine compt in high pressure line)
• A/c rfgt pr sens sig
• Acc pedal pos sig 1
• Acc pedal pos sig 2
• Acc pwr module bit 0
• Accelerator pedal position sensor (near accelerator pedal)
• Aero shutter ctrl
• Aero shutter fuse 10a
• Battery positive volt
• Check engine ind ctrl
• Computer data lines system
• Cooling fan spd sig
• Cruise/etc/tcc brk sig
• Ecm fuse 15a
• Engine control module (left side rear of engine compt)
• Exterior lights system
• From 14v power module (diagram 7 of 17)
• Hot at all times
• Hot w/ ignition main relay 1 energized
• Hs gmlan + 1
• Hs gmlan + 3
• Hs gmlan - 1
• Hs gmlan - 3
• Instrument cluster
• J107
• Lines system computer data
• Lo spd gmlan serial data
• Logic
• Low ref
• Malfunction ind
• Prndl a signal
• Prndl b signal
• Run/crank ign 1 volt
• System cooling fans
• Underhood fuse block (left rear corner of engine compt)
• Vicm fuse 10a
• Wakeup serial data 2
• X105
• X200

Electric, Engine Performance Wiring Diagram (3 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (3 of 17) for Chevrolet Spark EV LT 2014:

• (left side rear of engine compt) engine control module
• Drive motor (in engine compt)
• Engine control module (left side rear of engine compt)
• Feedback sig cooling fan acc power module
• From 14v power module (diagram 7 of 17)
• G104 (right front of engine compt)
• Ground
• Prndl c signal
• Prndl p signal
• Sensor lo ref coolant temp
• Sensor sig coolant temp
• Signal ground

Electric, Engine Performance Wiring Diagram (4 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (4 of 17) for Chevrolet Spark EV LT 2014:

• (left front corner of engine compt) g160
• 300v u phase
• 300v v phase
• 300v w phase
• 300v+
• 300v-
• Automatic transmission assembly (in engine compt mounted to left side of drive motor)
• Batt pos volt
• Computer data lines system
• Drive motor position sensor
• Driver motor control module
• Electric/ auxiliary transmission fluid pump
• Electric/auxiliary transmission fluid pump control module
• G111
• G151 (right front of engine compt)
• Hybrid/ev 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
• J104
• Logic
• Nca
• Power inverter module (under power inverter module assembly cable cover)
• Run/crnk ign 1 volt
• Serial data 2
• Sig gnd
• Transmission fluid temperature sensor
• Transmission internal mode switch

Electric, Engine Performance Wiring Diagram (5 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (5 of 17) for Chevrolet Spark EV LT 2014:

• (not used)
• 5 volt ref
• Air conditioning 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
• Computer data lines system
• Coolant temp sens sig
• Cooling fans system
• Door switch signal
• G303 (below center console)
• Ground
• High ctrl
• High ref
• Horizontal potentiometer
• Hvac mode sens sig
• Hybrid/ev battery coolant level switch (right side front engine compt)
• Hybrid/ev battery pack coolant control valve (right side of engine compt)
• Hybrid/ev powertrain control module 2 (under driver seat)
• Interlock loop sig 1
• Lo press sens sig
• Low ctrl
• Low ref
• Positive sply volt
• Potentiometer common
• Pwm sig
• Sens lo ref
• Sens low ref
• Sens sig
• Sens volt ref
• Serial data (+)
• Serial data (-)
• Temp sens sig
• To battery charging system positive contactor (diagram 13 of 17)
• To battery energy control module (diagram 11 of 17)
• To hybrid/ev battery multifunction contactor (diagram 13 of 17)
• To hybrid/ev battery positive contactor (diagram 13 of 17)
• To pre-charge contactor (diagram 13 of 17)
• X105
• X117

Electric, Engine Performance Wiring Diagram (6 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (6 of 17) for Chevrolet Spark EV LT 2014:

• Batt positive volt
• Comm enable serial data
• Computer data lines system
• Control pilot sig 1
• Dc battery charger (w/ fast charging accommodations provisions) (in engine compat mounted above power inverter module)
• G105 (right front of engine compt)
• Ground
• J102
• Logic
• Manage comm enable hi volt energy
• Module high ctrl
• Module high sig
• Module low ctrl
• Module low sig
• Positive sply volt
• Power inverter module assembly cable cover
• Sensor volt ref
• Serial data (+) (1) hi spd gmlan
• Serial data (-) (1) hi spd gmlan
• Serial data can bus hi
• Serial data can bus lo
• X100
• X105
• X115
• X116

Electric, Engine Performance Wiring Diagram (7 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (7 of 17) for Chevrolet Spark EV LT 2014:

• 14v power module (engine compt on top of drive motor)
• A/c compressor (front left engine compt)
• Coolant heater control module (center rear of engine compt)
• Dc battery charger (in engine compt mounted above power inverter module)
• Feedback sig
• Fuse 12a
• Fuse 30a
• G153 (front center of engine compt)
• Ground
• Hi volt batt (+)
• Hi volt batt (-)
• Hybrid/ev battery dc charging current sensor
• Hybrid/ev battery dc charging positive contactor
• Logic
• Module bit 0
• Nca
• Red
• To engine control module (diagram 2 of 17)
• To engine control module (diagram 3 of 17)
• W/ fast charging accommodations provisions
• W/o fast charging accommodations provisions
• X3 volt batt positive

Electric, Engine Performance Wiring Diagram (8 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (8 of 17) for Chevrolet Spark EV LT 2014:

• Apm fuse 200a
• Battery fuse block
• Charge port door position switch (w/ fast charging accommodations provisions) (rear of left front fender)
• Charging ind low ref
• Communication enable
• Computer data lines system
• Control pilot sig 1
• Coolant motor enable
• Cooling fans system computer data
• Fan control signal
• G100 (left of front engine compt)
• Gmlan serial data
• High control
• High voltage fault sig
• Hot at all times
• Hot w/ ignition main relay 2 energized
• Hpcc fuse 10a
• Hybrid/ev powertrain control module 2 (under driver seat)
• Ign 1 volt
• J112
• J114
• Lines system
• Module high sig
• Module low sig
• Motor feedback sig
• Mtr feedback signal
• Nca
• Port door sens sig
• Proximity status signal 1
• Red
• Sensor low ref
• System cooling fans
• Temperature sensor sig
• Underhood fuse block (left rear corner of engine compt)
• Valve motor close
• Vertical potentiometer
• Vicm fuse 5a
• W/ fast charging accommodations provisions
• X105
• X117

Electric, Engine Performance Wiring Diagram (9 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (9 of 17) for Chevrolet Spark EV LT 2014:

• (not used)
• A/c hybrid/ev battery charger receptacle
• B+ volt
• Battery state of charge indicator
• Computer data lines system
• Coolant mtr ctrl
• Cooling fans system
• Dc hybrid/ev battery charger receptacle
• Feedback sig
• Fuse 20a
• G103 (rear center of engine compt)
• G107
• Gnd
• Hybrid/ev battery charger receptacle
• Hybrid/ev battery charger receptacle lock actuator (w/ fast charging accommodations provisions)
• Hybrid/ev battery charger receptacle lock actuator position sensor (w/ fast charging accommodations provisions)
• Hybrid/ev battery charger receptacle temperature sensor (w/ fast charging accommodations provisions)
• Hybrid/ev battery pack coolant pump (right rear of engine compt)
• Hybrid/ev powertrain control module 2 (under driver seat)
• Ind ctrl
• J103
• Logic
• Mode mtr low ctrl
• Mtr ctrl
• Mtr enable
• Nca
• Pilot sig ind ctrl
• Serial data 2
• Valve motor open
• Wakeup serial data
• X105
• X115
• X117
• X200

Electric, Engine Performance Wiring Diagram (10 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (10 of 17) for Chevrolet Spark EV LT 2014:

• (not used)
• Batt pos volt
• Battery
• Battery charger (in engine compt mounted above transmission assembly)
• Battery charger control module
• Body control module (left side of passenger compt)
• Communication enable
• Computer data lines system
• Current sensor sig
• G100 (left front of engine compt)
• G106 (left center of engine compt)
• Ground
• High serial data
• High volt batt (+)
• High volt batt (-)
• Hot at all times
• Hybrid/ev battery pack (mounted above rear axle)
• Ign 1 volt
• Ind ctrl
• Low ref
• Low serial data
• Manual service disconnect
• Manual service disconnect receptacle
• Nca
• Obcm fuse 40a
• Ress cool pump 10a
• Serial data (+)
• Serial data (-)
• Serial data 2
• To battery charging system positive contactor (diagram 13 of 17)
• Underhood fuse block (left rear corner of engine compt)
• Voltage ac ground
• Voltage ac line 1
• X105
• X351
• X358

Electric, Engine Performance Wiring Diagram (11 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (11 of 17) for Chevrolet Spark EV LT 2014:

• (mounted above rear axle) hybrid/ev battery pack
• (not used)
• Battery energy control module
• Computer data lines system
• From hybrid/ev powertrain control module 2 (diagram 5 of 17)
• G354 (under body left of center mounted on body bracket)
• Hot at all times
• Hot w/ ignition main relay 2 energized
• Hybrid/ev battery pack coolant temperature sensor 1
• Hybrid/ev battery pack coolant temperature sensor 2
• J351
• J352
• J353
• J354
• J355
• Obcm fuse 10a
• Ress fuse 10a
• Ress fuse 5a
• To hybrid/ev battery interface control module 4 (diagram 12 of 17)
• Underhood fuse block (left rear corner of engine compt)
• X357

Electric, Engine Performance Wiring Diagram (12 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (12 of 17) for Chevrolet Spark EV LT 2014:

• (mounted above rear axle) hybrid/ev battery pack
• From battery energy control module (diagram 11 of 17)
• From hybrid/ev battery section 1 (diagram 14 of 17)
• Hybrid/ev battery interface control module 1
• Hybrid/ev battery interface control module 2
• Hybrid/ev battery interface control module 3
• Hybrid/ev battery interface control module 4
• Hybrid/ev battery interface control module 5
• Hybrid/ev battery interface control module 6
• Hybrid/ev battery interface control module 7
• Hybrid/ev battery interface control module 8
• Hybrid/ev battery interface control module 9

Electric, Engine Performance Wiring Diagram (13 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (13 of 17) for Chevrolet Spark EV LT 2014:

• 300v+
• 300v-
• Battery charging system positive contactor
• From battery charger (diagram 10 of 17)
• From hybrid/ev battery section 4 (diagram 17 of 17)
• From hybrid/ev powertrain control module 2 (diagram 5 of 17)
• From hybrid/ev powertrain d control module 2 (diagram 5 of 17)
• Fuse 10a
• Fuse 15a
• G259 (under body left of center mounted in tunnel)
• G350
• Hybrid/ev battery contactor assembly
• Hybrid/ev battery multifunction contactor
• Hybrid/ev battery pack (mounted above rear axle)
• Hybrid/ev battery pack coolant heater
• Hybrid/ev battery pack coolant heater fuse holder
• Hybrid/ev battery pack coolant heater module
• Hybrid/ev battery pack coolant heater module fuse holder
• Hybrid/ev battery positive contactor
• Hybrid/ev battery pre-charge resistor
• J356
• J358
• Logic
• Power inverter module (under power inverter module assembly cable cover)
• Pre-charge contactor
• To hybrid/ev battery module 9 (diagram 12 of 17)
• X358
• X359

Electric, Engine Performance Wiring Diagram (14 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (14 of 17) for Chevrolet Spark EV LT 2014:

• From hybrid/ev battery interface control module 9 (diagram 12 of 17)
• Hybrid/ev battery interface control module 1
• Hybrid/ev battery interface control module 2
• Hybrid/ev battery section 1
• Hybrid/hv battery pack (mounted above rear axle)
• To hybrid/ev battery section 2 (diagram 15 of 17)

Electric, Engine Performance Wiring Diagram (15 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (15 of 17) for Chevrolet Spark EV LT 2014:

• From hybrid/ev battery section 1 (diagram 14 of 17)
• Hybrid/ev battery interface control module 3
• Hybrid/ev battery interface control module 4
• Hybrid/ev battery section 2
• Hybrid/hv battery pack (mounted above rear axle)
• To manual service disconnect (diagram 16 of 17)

Electric, Engine Performance Wiring Diagram (16 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (16 of 17) for Chevrolet Spark EV LT 2014:

• From hybrid/ev battery section 2 (diagram 15 of 17)
• Fuse 350a
• Hybrid/ev battery interface control module 5
• Hybrid/ev battery interface control module 6
• Hybrid/ev battery section 3
• Hybrid/hv battery pack (mounted above rear axle)
• Manual service disconnect
• Manual service disconnect receptacle
• To hybrid/ev battery module 4 (diagram 17 of 17)

Electric, Engine Performance Wiring Diagram (17 of 17) for Chevrolet Spark EV LT 2014

List of elements for Electric, Engine Performance Wiring Diagram (17 of 17) for Chevrolet Spark EV LT 2014:

• (diagram 16 of 17)
• From hybrid/ev battery section 3 t
• Hybrid/ev battery interface control module 7
• Hybrid/ev battery interface control module 8
• Hybrid/ev battery section 4
• Hybrid/hv battery pack (mounted above rear axle)
• To hybrid/ev battery positive contactor (diagram 13 of 17)