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4.0L CGTA/CEUA Overview







Component Locations: Engine Management System

4.0L CGTA/CEUA Overview


Engine Component Location





1 - Secondary air injection pump motor -V101- => See Image Below.

2 - Turbocharger recirculation valve -N249- => See Image Below.

3 - Fuel metering valve -N290- => See Image Below.

4 - Subframe mount sensor 1 -G748- / Subframe mount actuator 1 -N513-

5 - Charge air pressure sensor -G31- => See Image Below.

6 - Transmission mount valve 1 -N262-

7 - Engine control module -J623- => [ Engine Control Module (ECM) ] See Image Below.

8 - Brake booster pressure sensor -G294-

9 - Transmission mount valve 2 -N263-

10 - Accelerator pedal position sensor -G79- / Accelerator pedal position sensor 2 -G185- => [ Accelerator Pedal Module ] Locations

11 - Brake lamp switch -F- => See Image Below.

12 - Throttle valve control module -J338- => See Image Below.

13 - Low fuel pressure sensor -G410- => See Image Below.

14 - Subframe mount actuator 2 -N514- / Subframe mount sensor 2 -G749-

15 - Fuel metering valve 2 -N402- => See Image Below.

16 - Engine coolant temperature sensor on radiator outlet -G83- => See Image Below.

17 - After-run coolant pump -V51- => Locations

18 - Transmission fluid cooling valve -N509- => See Image Below.

19 - Transmission coolant valve -N488- => See Image Below.

20 - Charge air cooling pump -V188- => Locations

21 - Bank 2 turbocharger recirculation valve -N427- => See Image Below.

22 - Charge air pressure sensor 2 -G447- => See Image Below.

23 - Charge air cooler temperature sensor 2 -G764- => See Image Below.

24 - Charge air cooler temperature sensor 1 -G763- => See Image Below.

25 - Secondary air injection sensor 1 -G609- => See Image Below.

Engine Component Location from above





1 - Manifold absolute pressure sensor -G71- => See Image Below.

5 - Camshaft position sensor -G40- => See Image Below.

7 - EVAP canister purge regulator valve 1 -N80-

8 - Camshaft position sensor 3 -G300- => [ and ] See Image Below.

9 - Engine cover temperature sensor -G765- => See Image Below.

10 - Piston cooling nozzle control valve -N522- => See Image Below.

11 - Oil pressure switch, level 3 -F447- => See Image Below.

13 - Camshaft position sensor 4 -G301- => [ and ] See Image Below.

15 - Camshaft position sensor 2 -G163- => See Image Below.

Engine Component Locations from Front





1 - Oil temperature sensor 2 -G664- => [ Oil Pressure Switch, Oil Pressure Regulation Valve Overview ] See Image Below.

2 - Engine coolant temperature sensor -G62- => See Image Below.

3 - Engine temperature control sensor -G694- => See Image Below.

4 - Cylinder head coolant valve -N489- => See Image Below.

5 - Intake manifold runner position sensor 2 -G512- => See Image Below.

6 - Wastegate bypass regulator valve -N75- => See Image Below.

7 - Map controlled engine cooling thermostat -F265- => See Image Below.

Engine Component Locations from Right





1 - Engine speed sensor -G28- => See Image Below.

2 - Reduced oil pressure switch -F378- => [ Oil Pressure Switch, Oil Pressure Regulation Valve Overview ] See Image Below.

3 - Oil pressure switch -F22- => [ Oil Pressure Switch, Oil Pressure Regulation Valve Overview ] See Image Below.

4 - Knock sensor 2 -G66- => See Image Below.

5 - Fuel pressure sensor -G247-

6 - Intake manifold runner control valve -N316-

7 - Intake manifold runner position sensor -G336- => See Image Below.

10 - Camshaft adjustment valve 1 -N205- => [ , , and ] See Image Below.

11 - Exhaust camshaft adjustment valve 1 -N318- => [ , , and ] See Image Below.

12 - Cylinder 2 intake camshaft adjuster 3 -F457- => [ through ] See Image Below.

13 - Cylinder 2 exhaust camshaft adjuster 3 -F459- => [ through ] See Image Below.

14 - Cylinder 1 intake camshaft adjuster 3 -F456- => [ through ] See Image Below.

15 - Cylinder 1 exhaust camshaft adjuster 3 -F458- => [ through ] See Image Below.

16 - Cylinder 1 exhaust camshaft adjuster 2 -F454- => [ through ] See Image Below.

17 - Cylinder 1 intake camshaft adjuster 2 -F452- => [ through ] See Image Below.

18 - Cylinder 2 exhaust camshaft adjuster 2 -F455- => [ through ] See Image Below.

19 - Cylinder 2 intake camshaft adjuster 2 -F453- => [ through ] See Image Below.

22 - Knock sensor 1 -G61- => See Image Below.

23 - Oil level thermal sensor -G266- => See Image Below.

Engine Component Locations from Left





1 - Oil pressure regulation valve -N428- => See Image Below.

2 - Secondary air injection solenoid valve -N112-

3 - Knock sensor 3 -G198- => See Image Below.

4 - Secondary air injection solenoid valve 2 -N320-

7 - Cylinder 2 intake camshaft adjuster 5 -F465- => [ through ] See Image Below.

8 - Cylinder 2 exhaust camshaft adjuster 5 -F467- => [ through ] See Image Below.

9 - Cylinder 1 exhaust camshaft adjuster 5 -F466- => [ through ] See Image Below.

10 - Cylinder 1 intake camshaft adjuster 5 -F464- => [ through ] See Image Below.

11 - Cylinder 1 intake camshaft adjuster 8 -F476- => [ through ] See Image Below.

12 - Cylinder 1 exhaust camshaft adjuster 8 -F478- => [ through ] See Image Below.

13 - Cylinder 2 exhaust camshaft adjuster 8 -F479- => [ through ] See Image Below.

14 - Exhaust camshaft adjustment valve 2 -N319- => [ , , and ] See Image Below.

15 - Camshaft adjustment valve 2 -N208- => [ , , and ] See Image Below.

16 - Cylinder 2 intake camshaft adjuster 8 -F477- => [ through ] See Image Below.

19 - Intake air temperature sensor -G42- => See Image Below.

20 - Engine coolant circulation pump 2 -V178- => See Image Below.

21 - Fuel pressure sensor 2 -G624- => See Image Below.

22 - Knock sensor 4 -G199- => See Image Below.


Oil Pressure Switch, Oil Pressure
Regulation Valve Overview






1 - Oil temperature sensor 2 -G664- => See Image Below.
4 - Reduced oil pressure switch -F378- => [ and ] See Image Below.
5 - Oil pressure switch -F22- => [ and ] See Image Below.
9 - Piston cooling nozzle control valve -N522- => See Image Below.
10 - Oil pressure switch, level 3 -F447- => See Image Below.
13 - Oil pressure regulation valve -N428- => See Image Below.

Oil temperature sensor 2 -G664-






• On front of engine







Reduced oil pressure switch -F378- and Oil pressure switch -F22-






• Reduced oil pressure switch -F378- under
vehicle on oil filter housing Item 1

• Oil pressure switch -F22- under vehicle
on oil filter housing Item 2


Engine Control Module (ECM)






2 - Engine Control Module (ECM) -J623- in the center of the plenum chamber.

Brake lamp switch -F-






• Inside the footwell at the brake pedal


Turbocharger recirculation valve -N249-






• Under engine cover


Fuel metering valve -N290-






• By the air filter - cylinder bank 1


Charge air pressure sensor -G31-






• Under engine cover


Throttle valve control module -J338-







Low fuel pressure sensor -G410-






• Under engine cover


Fuel metering valve 2 -N402-






• Cylinder bank 2 area is shown


Bank 2 turbocharger recirculation valve -N427-







Charge air pressure sensor 2 -G447-







Engine coolant temperature sensor on radiator outlet -G83-






• In the left lower coolant hoses on the radiator.


Transmission coolant valve -N488-






• Front left underneath the headlamp.


Subframe mount control module -J931-






• In the rear of the front left wheel housing


Transmission fluid cooling valve -N509-






• Front left underneath the headlamp.


Charge air cooler temperature sensor 1 -G763- / Charge air cooler temperature sensor 2 -G764-






• Underneath on the Throttle valve control module -J338-


Secondary air injection pump motor -V101-






• Front right underneath the air filter housing.


Secondary air injection sensor 1 -G609-







Manifold absolute pressure sensor -G71-






• On air guide pipe under charge air cooler housing


Camshaft position sensor -G40-






• Front of engine


Camshaft position sensor 3 -G300- and Camshaft position sensor 4 -G301-






• Camshaft position sensor 3 -G300- under
coolant reservoir (left sensor)

• Camshaft position sensor 4 -G301- under
engine cover (right sensor)


Engine cover temperature sensor -G765-






• Under engine cover


Piston cooling nozzle control valve -N522-






• On inner-V cover


Oil pressure switch, level 3 -F447-






• Near rear of engine under charge air cooler housing


Camshaft position sensor 2 -G163-






• Right side of cylinder head


Engine coolant temperature sensor -G62-






• On front of engine


Engine temperature control sensor -G694-






• On right side front of engine


Cylinder head coolant valve -N489-






• On left side front of engine


Intake manifold runner position sensor 2 -G512-






• On left side front of engine behind Wastegate bypass regulator valve -N75-


Wastegate bypass regulator valve -N75-






• On left side front of engine


Map controlled engine cooling thermostat -F265-






• Bottom left side of engine


Engine speed sensor -G28-






• Rear of lower engine near transmission


Knock sensor 2 -G66-






• Lower right side of engine under right engine support


Intake manifold runner position sensor -G336-






• Rear of right intake manifold cylinder bank


Camshaft adjustment valve 1 -N205- , Camshaft adjustment valve 2 -N208- , Exhaust camshaft adjustment valve 1 -N318- and Exhaust camshaft adjustment valve 2 -N319-






• Rear of cylinder head


Cylinder 1 intake camshaft adjuster 2 -F452- through Cylinder 2 exhaust camshaft adjuster 8 -F479-






• On camshaft housing


Knock sensor 1 -G61-






• Right side of engine block behind the generator


Oil level thermal sensor -G266-






• On lower oil pan under vehicle near oil drain plug


Oil pressure regulation valve -N428-






• Left side of engine behind Air Conditioning compressor


Knock sensor 3 -G198-






• Left side of engine block behind Air Conditioning compressor


Intake air temperature sensor -G42-






• Front of left intake manifold cylinder bank


Engine coolant circulation pump 2 -V178-






• Left rear of under below cylinder head


Fuel pressure sensor 2 -G624-






• Attached to the underside of the left hand fuel rail


Knock sensor 4 -G199-






• Left side of cylinder block below cylinder head behind Fuel pressure sensor 2 -G624-
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