ENGINE PERFORMANCE – Cadillac ATS 2013 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.0L VIN X

2.0L VIN X, Engine Performance Wiring Diagram (1 of 7) for Cadillac ATS 2013

List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (1 of 7) for Cadillac ATS 2013:

• (body harness, 95cm from front wire channel under passenger seat)
• (or 3200)
• (or 3201)
• (or 6109)
• (or 6110)
• (or 6111)
• (right rear frame near vapor canister) fuel tank pressure sensor
• 5 volt ref
• 5-v ref
• 5v ref
• A/c compressor clutch rly ctrl
• A/c press sens 5v ref
• A/c refrigerant press sens lo ref
• A/c refrigerant pressure sens sig
• A/c refrigerant pressure sensor (near the lower right side of the a/c condenser)
• A/t
• Accessory wakeup serial data
• Air conditioning system
• Air pressure sig
• Air pump rly coil ctrl
• Air solenoid rly coil ctrl
• App lo ref
• App low ref
• App sens sig (1)
• App sens sig (2)
• Batt pos volt
• Brake pedal position sensor (on brake pedal bracket)
• Brake vacuum sens low ref
• Brake vacuum sens sig
• Check engine ind ctrl
• Clutch pedal position sensor (on clutch master cylinder push rod)
• Cnstr vent fuse 10a
• Computer data lines system
• Coolant temp sens sig (2)
• Cooling fan rly ctrl spd sig
• Cooling fans system
• Cruise control system
• Cruise/etc/tcc brk sig
• Ecm/ batt fuse 10a
• Engine control module (right front of engine compt)
• Evap canister vent sol ctrl
• Evaporative emission vent solenoid valve (right rear frame near fuel tank)
• Fuel level sens lo ref
• Fuel pump fscm fuse 20a
• Fuel pump primary relay control
• Fuel tank pressure sens sig
• Hi spd gmlan serial data (+)
• Hi spd gmlan serial data (-)
• Hot at all times
• J335
• Low ref
• M/t
• Powertrain main rly fused sply (1)
• Powertrain main rly fused sply (2)
• Powertrain rly coil ctrl
• Pre-throttle air press & temp sig
• Primary fuel level sens sig
• Rear body fuse block (left side of luggage compt)
• Run/crank ign 1 volt
• Secondary fuel level sens lo ref
• Sens 2 low ref
• Sens sig
• Starter enable rly ctrl
• Starting/charging system
• X150

2.0L VIN X, Engine Performance Wiring Diagram (2 of 7) for Cadillac ATS 2013

List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (2 of 7) for Cadillac ATS 2013:

• (on accelerator pedal) accelerator pedal position sensor
• (upper rear of cylinder head) g110
• 2.0l turbo
• 2.5l
• 5v ref
• Air pump fuse 50a
• Air sol fuse 15a
• Bare
• Batt
• Brake booster vacuum sensor (2.0l turbo) (on brake booster)
• Computer data lines system
• Data bus +
• Data bus -
• Ecm ign fuse 15a
• From engine controls a ignition relay (diagram 3 of 7)
• Fuel pressure sensor (near fuel tank)
• Fuel pump & level sensor assembly (top of fuel tank)
• Fuel pump control module (forward of right rear lamp assembly)
• G303 (left rear passenger foot well)
• Ground
• Hot at all times
• Hot w/ ignition main relay energized
• J404
• J405
• J411
• J412
• Low ref
• Motor
• Primary fuel level sensor
• Rly ctrl
• Run/crank volt
• Secondary air injection pump (2.5l) (left front of engine)
• Secondary air injection pump relay (2.5l)
• Secondary air injection solenoid valve relay (2.5l)
• Secondary fuel level sensor
• Sens sig
• Ser data enable
• Shield
• Sol ctrl 1
• Sol ctrl 2
• Sply volt
• Turbocharger boost/ intake air temperature sensor (2.0l turbo) (on inlet duct to throttle body)
• Underhood fuse block (right front of engine compt)
• X150
• X350
• X454

2.0L VIN X, Engine Performance Wiring Diagram (3 of 7) for Cadillac ATS 2013

List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (3 of 7) for Cadillac ATS 2013:

• (not used)
• Aos disply/ mil ign fuse 5a
• Auxiliary underhood fuse block (right front of engine compt)
• Ecm fuse 25a
• Engine controls ignition relay
• Engine coolant temperature sensor (in thermostat housing)
• Engine oil pressure sensor (on engine oil cooler)
• Exhaust camshaft position actuator solenoid valve (top left of engine on camshaft cover)
• Fscm ign fuse 10a
• High pressure fuel pump (upper right side of engine)
• Hot w/ ignition main relay energized
• Htd str whl fuse 15a
• Ign coil inj fuse 15a
• Ign coil inj/ spare fuse 15a
• J140
• Left front engine mount actuator (lower front near core support)
• O2 snsr emis fuse 10a
• Power distribution system
• Red
• Right front engine mount actuator (lower front near core support)
• To secondary air injection pump relay (diagram 2 of 7)
• Underhood fuse block (right front of engine compt)
• X150

2.0L VIN X, Engine Performance Wiring Diagram (4 of 7) for Cadillac ATS 2013

List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (4 of 7) for Cadillac ATS 2013:

• (above cylinders)
• 5v ref
• Actuator hi ctrl
• Actuator low ctrl
• Anti- theft system
• Cam exht sol (1)
• Cam intke sol (1)
• Cam pos exht sply
• Cam pos intke sens
• Cam pos intke sply
• Chk eng ind ctrl
• Computer data lines system
• Crnk 60x sens volt
• Crnk sens sig
• Data (+)
• Data (-)
• Dfi hi vol sply 1
• Dfi hi vol sply 2
• Dfi hi vol sply 3
• Dfi hi vol sply 4
• Ect sens sig
• Engine control module (right front of engine compt)
• G110 (upper rear of cylinder head)
• G201 (left kick panel)
• Gnd
• Hood status sig
• Ign 1 volt
• Ign ctrl (1)
• Ign ctrl (2)
• Ign ctrl (3)
• Ign ctrl (4)
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Instrument cluster
• J131 (engine harness, 6 cm from ignition coil 1 breakout)
• J133 (engine harness, 3 cm from evaporative emission purge solenoid valve breakout)
• Logic
• Low ref
• Low ref bank 1
• Malfunction ind lamp
• Nca
• Neu gear sens rtn
• Neu gear sens sply
• Neutral position sensor (m/t) (left rear of transmission)
• Oil press sens sig
• Red
• Sens lo ref
• Serial
• Spark plug
• Sply volt
• X275

2.0L VIN X, Engine Performance Wiring Diagram (5 of 7) for Cadillac ATS 2013

List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (5 of 7) for Cadillac ATS 2013:

• (left rear of engine) engine oil pressure control solenoid valve
• Battery fuse block (on battery)
• Crankshaft position sensor (lower left rear of the engine)
• Dfi hi vol sply 1
• Dfi hi vol sply 2
• Dfi hi vol sply 3
• Dfi hi vol sply 4
• Engine control module (right front of engine compt)
• Exhaust camshaft position sensor (rear of cylinder head)
• Fuel
• Fuse 300a
• G110 (upper rear of cylinder head)
• Gnd
• Hot at all times
• Injector 1
• Injector 2
• Injector 3
• Injector 4
• Intake camshaft position actuator solenoid valve (top right of engine on camshaft cover)
• Intake camshaft position sensor (front of cylinder head)
• Low ref
• Red
• X160

2.0L VIN X, Engine Performance Wiring Diagram (6 of 7) for Cadillac ATS 2013

List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (6 of 7) for Cadillac ATS 2013:

• (awd: front of oil pan) (except awd: right side of oil pan) engine oil level switch
• (engine harness, 21cm from main branch from x150) j134
• (engine harness, 37cm from manifold absolute pressure sensor breakout) j132
• (on air cleaner assembly) multi-function intake air sensor
• (on intake manifold) evaporative emission purge solenoid valve
• (right rear of transmission) (m/t) transmission output shaft speed sensor
• 2.0l turbo
• 2.5l
• A/t
• Engine coolant thermostat heater (2.5l) (front of engine)
• G110 (upper rear of cylinder head)
• G202 (left kick panel)
• Knock sensor 1 (2.0l: right of oil filter housing)
• Knock sensor 2 (2.0l: right of crankshaft position sensor)
• M/t
• Turbocharger bypass solenoid valve (2.0l turbo) (on turbocharger)
• Turbocharger wastegate solenoid valve (2.0l turbo) (on turbocharger)
• Vehicle stability control switch
• X150
• X211
• X275

2.0L VIN X, Engine Performance Wiring Diagram (7 of 7) for Cadillac ATS 2013

List of elements for 2.0L VIN X, Engine Performance Wiring Diagram (7 of 7) for Cadillac ATS 2013:

• (2.0l: in catalytic converter) (2.5l: in exhaust manifold) heated oxygen sensor 1
• (after catalytic converter) heated oxygen sensor 2
• 5v ref
• 5v ref fuel rail press sens sig
• Air temp sens sig
• Bank 1 sens (1)
• Bank 1 sens (2)
• Bank 1 snsr (1)
• Bank 1 snsr (2)
• Charge ind ctrl
• Crnk pos sens sig
• Ctrl bank (1)
• Drv mod sw sig
• Eng cool ctrl
• Engine control module (right front of engine compt)
• Fuel rail pressure sensor (on engine fuel rail)
• G110 (upper rear of cylinder head)
• Generator field
• Gnd
• Hi ref bank 1
• Iat sens low ref
• Knock sens (1)
• Knock sens (2)
• Knock sens sig (1)
• Knock sens sig (2)
• Logic
• Low ref
• Maf sens sig
• Manifold absolute pressure sensor (on intake manifold near throttle body)
• Map low ref
• Map sens sig
• Nca
• Neu gear sens sig
• Oil level sw sig
• Oil pmp sig
• Out spd 5v rtn
• Out spd sig
• Purge sol ctrl
• Secondary air injection solenoid valve (2.5l) (rear of exhaust manifold)
• Sens sig
• Sens sig bank (1)
• Sound systems
• Sply volt
• Starting/charging system
• Tac close
• Tac open
• Tac sens sig
• Throttle body (front of engine)
• Trans prk/neu sig
• Transmissions system
• Wast gat sol ctrl
• X160

2.5L VIN A

2.5L VIN A, Engine Performance Wiring Diagram (1 of 7) for Cadillac ATS 2013

List of elements for 2.5L VIN A, Engine Performance Wiring Diagram (1 of 7) for Cadillac ATS 2013:

• (body harness, 95cm from front wire channel under passenger seat)
• (or 3200)
• (or 3201)
• (or 6109)
• (or 6110)
• (or 6111)
• (right rear frame near vapor canister) fuel tank pressure sensor
• 5 volt ref
• 5-v ref
• 5v ref
• A/c compressor clutch rly ctrl
• A/c press sens 5v ref
• A/c refrigerant press sens lo ref
• A/c refrigerant pressure sens sig
• A/c refrigerant pressure sensor (near the lower right side of the a/c condenser)
• A/t
• Accessory wakeup serial data
• Air conditioning system
• Air pressure sig
• Air pump rly coil ctrl
• Air solenoid rly coil ctrl
• App lo ref
• App low ref
• App sens sig (1)
• App sens sig (2)
• Batt pos volt
• Brake pedal position sensor (on brake pedal bracket)
• Brake vacuum sens low ref
• Brake vacuum sens sig
• Check engine ind ctrl
• Clutch pedal position sensor (on clutch master cylinder push rod)
• Cnstr vent fuse 10a
• Computer data lines system
• Coolant temp sens sig (2)
• Cooling fan rly ctrl spd sig
• Cooling fans system
• Cruise control system
• Cruise/etc/tcc brk sig
• Ecm/ batt fuse 10a
• Engine control module (right front of engine compt)
• Evap canister vent sol ctrl
• Evaporative emission vent solenoid valve (right rear frame near fuel tank)
• Fuel level sens lo ref
• Fuel pump fscm fuse 20a
• Fuel pump primary relay control
• Fuel tank pressure sens sig
• Hi spd gmlan serial data (+)
• Hi spd gmlan serial data (-)
• Hot at all times
• J335
• Low ref
• M/t
• Powertrain main rly fused sply (1)
• Powertrain main rly fused sply (2)
• Powertrain rly coil ctrl
• Pre-throttle air press & temp sig
• Primary fuel level sens sig
• Rear body fuse block (left side of luggage compt)
• Run/crank ign 1 volt
• Secondary fuel level sens lo ref
• Sens 2 low ref
• Sens sig
• Starter enable rly ctrl
• Starting/charging system
• X150

2.5L VIN A, Engine Performance Wiring Diagram (2 of 7) for Cadillac ATS 2013

List of elements for 2.5L VIN A, Engine Performance Wiring Diagram (2 of 7) for Cadillac ATS 2013:

• (on accelerator pedal) accelerator pedal position sensor
• (upper rear of cylinder head) g110
• 2.0l turbo
• 2.5l
• 5v ref
• Air pump fuse 50a
• Air sol fuse 15a
• Bare
• Batt
• Brake booster vacuum sensor (2.0l turbo) (on brake booster)
• Computer data lines system
• Data bus +
• Data bus -
• Ecm ign fuse 15a
• From engine controls a ignition relay (diagram 3 of 7)
• Fuel pressure sensor (near fuel tank)
• Fuel pump & level sensor assembly (top of fuel tank)
• Fuel pump control module (forward of right rear lamp assembly)
• G303 (left rear passenger foot well)
• Ground
• Hot at all times
• Hot w/ ignition main relay energized
• J404
• J405
• J411
• J412
• Low ref
• Motor
• Primary fuel level sensor
• Rly ctrl
• Run/crank volt
• Secondary air injection pump (2.5l) (left front of engine)
• Secondary air injection pump relay (2.5l)
• Secondary air injection solenoid valve relay (2.5l)
• Secondary fuel level sensor
• Sens sig
• Ser data enable
• Shield
• Sol ctrl 1
• Sol ctrl 2
• Sply volt
• Turbocharger boost/ intake air temperature sensor (2.0l turbo) (on inlet duct to throttle body)
• Underhood fuse block (right front of engine compt)
• X150
• X350
• X454

2.5L VIN A, Engine Performance Wiring Diagram (3 of 7) for Cadillac ATS 2013

List of elements for 2.5L VIN A, Engine Performance Wiring Diagram (3 of 7) for Cadillac ATS 2013:

• (not used)
• Aos disply/ mil ign fuse 5a
• Auxiliary underhood fuse block (right front of engine compt)
• Ecm fuse 25a
• Engine controls ignition relay
• Engine coolant temperature sensor (in thermostat housing)
• Engine oil pressure sensor (on engine oil cooler)
• Exhaust camshaft position actuator solenoid valve (top left of engine on camshaft cover)
• Fscm ign fuse 10a
• High pressure fuel pump (upper right side of engine)
• Hot w/ ignition main relay energized
• Htd str whl fuse 15a
• Ign coil inj fuse 15a
• Ign coil inj/ spare fuse 15a
• J140
• Left front engine mount actuator (lower front near core support)
• O2 snsr emis fuse 10a
• Power distribution system
• Red
• Right front engine mount actuator (lower front near core support)
• To secondary air injection pump relay (diagram 2 of 7)
• Underhood fuse block (right front of engine compt)
• X150

2.5L VIN A, Engine Performance Wiring Diagram (4 of 7) for Cadillac ATS 2013

List of elements for 2.5L VIN A, Engine Performance Wiring Diagram (4 of 7) for Cadillac ATS 2013:

• (above cylinders)
• 5v ref
• Actuator hi ctrl
• Actuator low ctrl
• Anti- theft system
• Cam exht sol (1)
• Cam intke sol (1)
• Cam pos exht sply
• Cam pos intke sens
• Cam pos intke sply
• Chk eng ind ctrl
• Computer data lines system
• Crnk 60x sens volt
• Crnk sens sig
• Data (+)
• Data (-)
• Dfi hi vol sply 1
• Dfi hi vol sply 2
• Dfi hi vol sply 3
• Dfi hi vol sply 4
• Ect sens sig
• Engine control module (right front of engine compt)
• G110 (upper rear of cylinder head)
• G201 (left kick panel)
• Gnd
• Hood status sig
• Ign 1 volt
• Ign ctrl (1)
• Ign ctrl (2)
• Ign ctrl (3)
• Ign ctrl (4)
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition coil 4
• Instrument cluster
• J131 (engine harness, 6 cm from ignition coil 1 breakout)
• J133 (engine harness, 3 cm from evaporative emission purge solenoid valve breakout)
• Logic
• Low ref
• Low ref bank 1
• Malfunction ind lamp
• Nca
• Neu gear sens rtn
• Neu gear sens sply
• Neutral position sensor (m/t) (left rear of transmission)
• Oil press sens sig
• Red
• Sens lo ref
• Serial
• Spark plug
• Sply volt
• X275

2.5L VIN A, Engine Performance Wiring Diagram (5 of 7) for Cadillac ATS 2013

List of elements for 2.5L VIN A, Engine Performance Wiring Diagram (5 of 7) for Cadillac ATS 2013:

• (left rear of engine) engine oil pressure control solenoid valve
• Battery fuse block (on battery)
• Crankshaft position sensor (lower left rear of the engine)
• Dfi hi vol sply 1
• Dfi hi vol sply 2
• Dfi hi vol sply 3
• Dfi hi vol sply 4
• Engine control module (right front of engine compt)
• Exhaust camshaft position sensor (rear of cylinder head)
• Fuel
• Fuse 300a
• G110 (upper rear of cylinder head)
• Gnd
• Hot at all times
• Injector 1
• Injector 2
• Injector 3
• Injector 4
• Intake camshaft position actuator solenoid valve (top right of engine on camshaft cover)
• Intake camshaft position sensor (front of cylinder head)
• Low ref
• Red
• X160

2.5L VIN A, Engine Performance Wiring Diagram (6 of 7) for Cadillac ATS 2013

List of elements for 2.5L VIN A, Engine Performance Wiring Diagram (6 of 7) for Cadillac ATS 2013:

• (awd: front of oil pan) (except awd: right side of oil pan) engine oil level switch
• (engine harness, 21cm from main branch from x150) j134
• (engine harness, 37cm from manifold absolute pressure sensor breakout) j132
• (on air cleaner assembly) multi-function intake air sensor
• (on intake manifold) evaporative emission purge solenoid valve
• (right rear of transmission) (m/t) transmission output shaft speed sensor
• 2.0l turbo
• 2.5l
• A/t
• Engine coolant thermostat heater (2.5l) (front of engine)
• G110 (upper rear of cylinder head)
• G202 (left kick panel)
• Knock sensor 1 (2.0l: right of oil filter housing)
• Knock sensor 2 (2.0l: right of crankshaft position sensor)
• M/t
• Turbocharger bypass solenoid valve (2.0l turbo) (on turbocharger)
• Turbocharger wastegate solenoid valve (2.0l turbo) (on turbocharger)
• Vehicle stability control switch
• X150
• X211
• X275

2.5L VIN A, Engine Performance Wiring Diagram (7 of 7) for Cadillac ATS 2013

List of elements for 2.5L VIN A, Engine Performance Wiring Diagram (7 of 7) for Cadillac ATS 2013:

• (2.0l: in catalytic converter) (2.5l: in exhaust manifold) heated oxygen sensor 1
• (after catalytic converter) heated oxygen sensor 2
• 5v ref
• 5v ref fuel rail press sens sig
• Air temp sens sig
• Bank 1 sens (1)
• Bank 1 sens (2)
• Bank 1 snsr (1)
• Bank 1 snsr (2)
• Charge ind ctrl
• Crnk pos sens sig
• Ctrl bank (1)
• Drv mod sw sig
• Eng cool ctrl
• Engine control module (right front of engine compt)
• Fuel rail pressure sensor (on engine fuel rail)
• G110 (upper rear of cylinder head)
• Generator field
• Gnd
• Hi ref bank 1
• Iat sens low ref
• Knock sens (1)
• Knock sens (2)
• Knock sens sig (1)
• Knock sens sig (2)
• Logic
• Low ref
• Maf sens sig
• Manifold absolute pressure sensor (on intake manifold near throttle body)
• Map low ref
• Map sens sig
• Nca
• Neu gear sens sig
• Oil level sw sig
• Oil pmp sig
• Out spd 5v rtn
• Out spd sig
• Purge sol ctrl
• Secondary air injection solenoid valve (2.5l) (rear of exhaust manifold)
• Sens sig
• Sens sig bank (1)
• Sound systems
• Sply volt
• Starting/charging system
• Tac close
• Tac open
• Tac sens sig
• Throttle body (front of engine)
• Trans prk/neu sig
• Transmissions system
• Wast gat sol ctrl
• X160

3.6L VIN 3

3.6L VIN 3, Engine Performance Wiring Diagram (1 of 6) for Cadillac ATS 2013

List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (1 of 6) for Cadillac ATS 2013:

• (at right rear frame near vapor canister) fuel tank pressure sensor
• (body harness, 10cm past tail lamp (right) connector breakout)
• (on accelerator pedal) accelerator pedal position sensor
• 5 volt ref
• 5v ref
• 5v ref (1)
• 5v ref (2)
• 5v reference
• A/c clutch rly ctrl
• A/c pressure sens 5v ref
• A/c refrigerant pressure sens sig
• A/c refrigerant pressure sensor (near the lower right side of the a/c condenser)
• Aero shutter fuse 10a
• Air conditioning system
• Anti-lock brakes system
• App sens sig (1)
• App sens sig (2)
• Batt pos volt
• Brake pedal position sensor (on brake pedal bracket)
• Brk pos sen sig
• Check engine ind ctrl
• Computer data lines system
• Cooling fan ctrl rly speed sig
• Cooling fans system
• Cruise/etc/tcc brake sig
• Ecm ign fuse 15a
• Engine control module (ecm) (right front of engine compt)
• Evap canister vent sol ctrl
• Evaporative emission vent solenoid valve (rear of engine on right cylinder head)
• Fuel pump
• Fuel pump & level sensor assembly (top of fuel tank)
• Fuel pump rly ctrl
• Fuel tank pressure sens sig
• Fuel temp sig
• Gmlan serial data bus +
• Gmlan serial data bus -
• Hot w/ ignition main relay energized
• Ign volt 1
• J335
• J406
• J412
• Low ref
• Low ref (1)
• Low ref (2)
• Powertrain main rly (1) sply
• Powertrain main rly (2) sply
• Powertrain main rly (3) sply
• Powertrain rly coil ctrl
• Pressure sens sig
• Primary fuel level sens sig
• Primary fuel level sensor
• Pump rly coil ctrl
• Secondary fuel level sens sig
• Secondary fuel level sensor (in fuel tank)
• Sens 2 gnd
• Sens 2 sply volt
• Sens low ref
• Sens sig 2
• Shield)
• Solenoid rly coil ctrl
• Starter enable rly ctrl
• Starting/ charging system
• Underhood fuse block (right front of engine compt)
• Wake-up ser data
• X150
• X275
• X454

3.6L VIN 3, Engine Performance Wiring Diagram (2 of 6) for Cadillac ATS 2013

List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (2 of 6) for Cadillac ATS 2013:

• (body harness, 5cm from battery saver module connector)
• (not used)
• (right front of engine compt) underhood fuse block
• 5v ref
• A/c compressor clutch relay
• Air pump fuse 50a
• Areo
• Auxiliary coolant pump relay
• Auxiliary underhood fuse block (right front of engine compt)
• Batt pos vol
• Cnstr vent fuse 10a
• Computer data lines system
• Ecm fuse 25a
• Ecm/ batt fuse 10a
• Engine controls ignition relay
• Exhaust bank 2 camshaft position actuator solenoid valve (lower center of left cylinder bank)
• Fscm ign fuse 10a
• Fuel pressure sensor (near fuel tank)
• Fuel pump control module (forward of right rear lamp assembly)
• Fuel pump fscm fuse 20a
• Fuel pump low ref
• Fuel shld extsn
• G303 (left rear passenger foot well)
• Gnd
• Hot at all times
• Hot w/ ignition main relay energized
• Ign 1 volt 1
• Ign coil inj fuse 15a
• Ign coil inj/spare fuse 15a
• Intake bank 2 camshaft position actuator solenoid valve (upper center of left cylinder bank)
• J401
• J404
• J405
• Low ref
• Nca
• Odd fuse 15a
• Power distribution system
• Press sens sig
• Pump rly ctrl
• Pump supy vol
• Rear body fuse block (left side of luggage compt)
• Red
• Secondary air injection pump relay
• Secondary air injection solenoid valve relay
• Ser data bus +
• Ser data bus -
• Ser data comm
• Shutter ctrl
• Snsr emis fuse 10a
• Spare pt fuse 10a
• X150
• X350

3.6L VIN 3, Engine Performance Wiring Diagram (3 of 6) for Cadillac ATS 2013

List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (3 of 6) for Cadillac ATS 2013:

• (awd: front of oil pan) (except awd: right side of oil pan) engine oil level switch
• (lower left rear of the engine) crankshaft position sensor
• (rear of left cylinder head) high pressure fuel pump
• (top of fuel tank) fuel composition sensor
• Active grille air shutter actuator (behind center of front fascia)
• Battery fuse block (on battery)
• Computer data lines system
• Ctrl aero
• Engine check
• Engine coolant temperature (ect) sensor (near mechanical vacuum pump)
• Exhaust bank 1 camshaft position actuator solenoid valve (lower center of right cylinder bank)
• Exhaust bank 2 camshaft position sensor (on left cylinder head)
• Fuse 300a
• G101 (above left headlight)
• G107 (on front of right cylinder head)
• G110 (left rear of engine above exhaust manifold)
• G303 (left rear passenger foot well)
• Gnd
• Hot at all times
• Ind ctrl
• Instrument cluster
• Intake bank 1 camshaft position actuator solenoid valve (upper center of right cylinder bank)
• Intake bank 1 camshaft position sensor (on right cylinder head)
• J111
• Logic
• Mal- function ind
• Red
• Secondary air injection (air) pump (left front of engine)
• Serial data
• Sig
• Sply (5)
• Volt ign 1
• X100
• X125
• X150
• X350

3.6L VIN 3, Engine Performance Wiring Diagram (4 of 6) for Cadillac ATS 2013

List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (4 of 6) for Cadillac ATS 2013:

• (above cylinder 1) ignition coil 1
• (above cylinder 2) ignition coil 2
• (above cylinder 3) ignition coil 3
• (above cylinder 4) ignition coil 4
• (above cylinder 5) ignition coil 5
• (above cylinder 6) ignition coil 6
• (engine harness, 4cm from ignition coil 5 on main harness) j133
• Actuator hi ctrl
• Actuator low ctrl
• Crk 6ox low ref
• Crk shf 6ox sens
• Ect sens sig
• Engine control module (ecm) (right front of engine compt)
• Exhaust sens 1 sig
• Exhaust sens 2 sig
• Exhaust solend (1)
• Exhaust solend (2)
• Exhaust sply (1)
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• G109 (on front of right cylinder head)
• G110 (left rear of engine above exhaust manifold)
• Ign 1 ctrl
• Ign 2 ctrl
• Ign 3 ctrl
• Ign 4 ctrl
• Ign 5 ctrl
• Ign 6 ctrl
• Intake sens 1 sig
• Intake sens 2 sig
• Intake sens sply 1
• Intake sens sply 2
• Intake solend (1)
• Intake solend (2)
• J131
• J135
• J136
• Low ref
• Low ref (1)
• Low ref bank 1
• Low ref bank 2
• Nca
• Oil press sens sig
• Press sens 5v ref
• Press sens low ref
• Spark plug

3.6L VIN 3, Engine Performance Wiring Diagram (5 of 6) for Cadillac ATS 2013

List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (5 of 6) for Cadillac ATS 2013:

• (rear of engine on right cylinder head) evaporative emission purge solenoid valve
• Engine control module (ecm) (right front of engine compt)
• Engine oil pressure sensor (in oil filter housing)
• Exhaust camshaft position sensor (bank 1) (on right cylinder head)
• Exhaust sply (2)
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• G107 (on front of right cylinder head)
• G110 (left rear of engine above exhaust manifold)
• G202 (left kick panel)
• Gnd
• Intake camshaft position sensor (bank 2) (on left cylinder head)
• J212
• Low ref
• Low ref (2)
• Secondary air injection (air) solenoid valve (bank 1) (on right cylinder head)
• Secondary air injection (air) solenoid valve (bank 2) (on left cylinder head)
• Vehicle stability control switch
• X160
• X161
• X211

3.6L VIN 3, Engine Performance Wiring Diagram (6 of 6) for Cadillac ATS 2013

List of elements for 3.6L VIN 3, Engine Performance Wiring Diagram (6 of 6) for Cadillac ATS 2013:

• (after left catalytic converter) heated oxygen sensor bank 2 sensor 2
• (after right catalytic converter) heated oxygen sensor bank 1 sensor 2
• (before left catalytic converter) heated oxygen sensor bank 2 sensor 1
• (before right catalytic converter) heated oxygen sensor bank 1 sensor 1
• 5-volt ref
• 5v ref
• Actuator ctrl close
• Air temp sens sig
• C tan
• Charge ind ctrl
• Crank pos sens sig
• Driver mode sw sig
• Duty cycle sig
• Engine control module (ecm) (right front of engine compt)
• Evap purge sol ctrl
• Frp sens sig
• Fuel rail pressure sensor (on engine fuel rail)
• G107 (on front of right cylinder head)
• Ground
• Hi bank 1 sens (1)
• Hi bank 1 sens (2)
• Hi bank 2 sens (1)
• Hi bank 2 sens (2)
• Ho2s htr low ctrl (1)
• Ho2s htr low ctrl (2)
• Humidity sens sig
• J132
• J134
• Knock sens 1 sig
• Knock sens 2 sig
• Knock sensor 1 (right side of engine block)
• Knock sensor 2 (lower left side of engine block)
• Logic
• Low bank 1 sens (1)
• Low bank 1 sens (2)
• Low bank 2 sens (1)
• Low bank 2 sens (2)
• Low ref
• Low ref (1)
• Low ref (2)
• Maf sens sig
• Manifold absolute pressure sensor (in engine compt)
• Map sens sig
• Multi-function intake air sensor (on air cleaner assembly)
• Navigation & sound systems
• Oil level sw sig
• Park/neutral sig (1)
• Sens sig
• Sply volt
• Starting/ charging system
• Tan
• Throttle actu ctrl open
• Throttle body (front of engine)
• Vlv 1 low ref
• X150
• X161
• X275