3.0L CGXC/CTUB Overview

Component Locations: Engine Management System

3.0L CGXC/CTUB Overview

Engine Compartment, Right

1 - Charge air pressure sensor -G31- / Intake manifold temperature sensor -G72- => See Image Below.

2 - Ignition Coils, Cylinder Bank 1
• N70 (coil 1), N127 (coil 2), N291 (coil 3)

3 - Right electrohydraulic engine mount solenoid valve -N145- => [ Electrohydraulic engine mounts solenoid valve ] See Image Below.

4 - Heated oxygen sensor -G39- => [ Exhaust System ] Locations

5 - Camshaft adjustment valve 1 -N205- => [ Camshaft Position Sensor and Exhaust Camshaft Control Valve Cylinder Bank 1 (right) ] See Image Below.

6 - Connectors => [ Electrical Connectors on Left Rear of Engine ] See Image Below.

7 - Oxygen sensor after three way catalytic converter -G130- => [ Exhaust System ] Locations

8 - Throttle valve control module -J338- => [ Throttle Valve Control Module -J338- ] See Image Below.

9 - Engine control module -J623-

10 - Intake air temperature sensor -G42- / Manifold absolute pressure sensor -G71- => [ Intake Air Temperature (IAT) Sensor -G42- / Manifold Absolute Pressure (MAP) Sensor -G71- ] See Image Below.

11 - Secondary air injection sensor 1 -G609- => [ Secondary Air Injection (AIR) Sensor 1 -G609- ] See Image Below.

12 - EVAP canister purge regulator valve 1 -N80-

13 - Engine speed sensor -G28- => [ Engine Speed (RPM) Sensor -G28- ] See Image Below.

14 - Knock sensor 1 -G61- => [ Under the Intake Manifold Lower Section, Cylinder Bank 1 (right) ] See Image Below.

15 - Fuel Injectors, Cylinder Bank 1 => [ Under the Intake Manifold Lower Section, Cylinder Bank 1 (right) ] See Image Below.
• N30 (injector 1), N31 (injector 2), N32 (injector 3)

16 - Engine temperature control sensor -G694- => [ Engine Temperature Control Sensor -G694- ] See Image Below.

17 - Intake manifold runner position sensor -G336- => [ Intake Manifold Runner Position Sensor -G336- ] See Image Below.

18 - Camshaft position sensor -G40- => [ Camshaft Position Sensor and Exhaust Camshaft Control Valve Cylinder Bank 1 (right) ] See Image Below.

19 - Fuel metering valve -N290- => [ High Pressure Pump ] See Image Below.

20 - Low fuel pressure sensor -G410- => [ High Pressure Pump ] See Image Below.

Engine Compartment, Left

1 - Engine coolant temperature sensor -G62- => [ Engine Coolant Temperature (ECT) Sensor -G62- ] See Image Below.

2 - Intake manifold runner position sensor 2 -G512- => [ Intake Manifold Runner Position Sensor -G336- ] See Image Below.

3 - Fuel pressure sensor -G247- => [ Under the Intake Manifold Lower Section, Cylinder Bank 2 (left) ] See Image Below.

4 - Knock sensor 2 -G66- => [ Under the Intake Manifold Lower Section, Cylinder Bank 2 (left) ] See Image Below.

5 - Fuel Injectors, Cylinder Bank 2 => [ Under the Intake Manifold Lower Section, Cylinder Bank 2 (left) ] See Image Below.
• N33 (injector 4), N83 (injector 5), N84 (injector 6)

6 - Secondary air injection solenoid valve -N112- => [ Secondary Air Injection (AIR) Solenoid Valve and Intake Manifold Runner Control (IMRC) Valve ] See Image Below.

7 - Intake manifold runner control valve -N316- => [ Secondary Air Injection (AIR) Solenoid Valve and Intake Manifold Runner Control (IMRC) Valve ] See Image Below.

8 - Secondary air injection solenoid valve 2 -N320- => [ Secondary Air Injection (AIR) Solenoid Valve and Intake Manifold Runner Control (IMRC) Valve ] See Image Below.

9 - Valve control module -J808- => [ Valve control module -J808- ] See Image Below.

10 - Oxygen sensor 2 after catalytic converter -G131- => [ Exhaust System ] Locations

12 - Accelerator pedal position sensor -G79- / Accelerator pedal position sensor 2 -G185- => [ Accelerator Pedal Module ] Locations
• In accelerator pedal module

13 - Brake lamp switch -F- / Brake pedal switch -F47-
• at the brake pedal

14 - Connectors on left rear of engine => [ Electrical Connectors on Left Rear of Engine ] See Image Below.

15 - Camshaft adjustment valve 2 -N208- => [ Camshaft Position Sensor and Exhaust Camshaft Control Valve Cylinder Bank 2 (left) ] See Image Below.

16 - Heated oxygen sensor 2 -G108- => [ Exhaust System ] Locations

17 - Left electrohydraulic engine mount solenoid valve -N144- => [ Electrohydraulic engine mounts solenoid valve ] See Image Below.

18 - Ignition Coils, Cylinder Bank 2
• N292 (coil 4), N323 (coil 5), N324 (coil 6)

19 - Oil pressure regulation valve -N428- => [ Oil Pressure Regulation Valve -N428- ] See Image Below.

20 - Secondary air injection pump motor -V101- => [ Secondary Air Pump Motor -V101- ] See Image Below.

21 - Charge air coolant pump -V188- => [ Charge Air Cooling Pump -V188- ] Locations

22 - After-run coolant pump -V51- => [ After-Run Coolant Pump -V51- ] Locations

23 - Camshaft position sensor 2 -G163- => [ Camshaft Position Sensor and Exhaust Camshaft Control Valve Cylinder Bank 2 (left) ] See Image Below.

24 - Intake air temperature sensor 2 -G430- / Charge air pressure sensor 2 -G447- => See Image Below.

25 - Cylinder head coolant valve -N489-

Oil pressure switch - F22-

- Under the rear engine cover on lower part of oil filer housing

Reduced oil pressure switch -
F378-

Oil level thermal sensor - G266-

- Located in oil pan

Charge air pressure sensor -G31- / Intake manifold temperature sensor -G72-

On the right side, on the supercharger with the charge air cooler

Note:
• The intake air temperature sensor 2 -G430- / charge air pressure sensor
2 -G447- are arranged as mirror image of each other.

Electrohydraulic engine mounts
solenoid valve

- At the engine mount

Note:
• Left electrohydraulic engine mount solenoid valve N144 is shown; right
electrohydraulic engine mount solenoid valve -N145-. is similar

Camshaft Position Sensor and Exhaust
Camshaft Control Valve Cylinder Bank 1 (right)

1 - Camshaft adjustment valve 1 -N205-
2 - Camshaft position sensor -G40-

Electrical Connectors on Left
Rear of Engine

1 - For Oxygen Sensor (O2S) 2 after catalytic converter -G131- with heater for O2S 2 after catalytic converter -Z30-
2 - For the heated O2S 2 -G108- with O2S 2 heater -Z28-
3 - For cylinder bank 2 fuel injectors and to the fuel pressure sensor -G247-
4 - To Knock Sensor (KS) 2 -G66-

Throttle Valve Control Module
-J338-

- Behind, on the supercharger

Intake Air Temperature (IAT) Sensor
-G42- / Manifold Absolute Pressure (MAP) Sensor -G71-

- Behind, on the supercharger with the charge air cooler

Secondary Air Injection (AIR)
Sensor 1 -G609-

- On the back of the engine

Engine Speed (RPM) Sensor -G28-

Under the Intake Manifold Lower
Section, Cylinder Bank 1 (right)

1 - Cylinder 1 fuel injector -N30-
2 - Cylinder 2 fuel injector -N31-
3 - Cylinder 3 fuel injector -N32-
4 - Knock Sensor (KS) 1 -G61-

Engine Temperature Control Sensor
-G694-

- under the intake manifold lower section, cylinder bank 1 (right side)

Intake Manifold Runner Position
Sensor -G336-

- At the front on the right lower section of the intake manifold

Note:
• Intake manifold runner position sensor 2 -G512- is installed as a mirror
image

High Pressure Pump

1 - Low Fuel Pressure Sensor -G410-
2 - Fuel metering valve -N290-

Engine Coolant Temperature (ECT)
Sensor -G62-

- At front on engine

Under the Intake Manifold Lower
Section, Cylinder Bank 2 (left)

1 - Cylinder 6 fuel injector -N84-
2 - Cylinder 5 fuel injector -N83-
3 - Cylinder 4 fuel injector -N33-
4 - Fuel pressure sensor -G247-
5 - Knock Sensor (KS) 2 -G66-

Secondary Air Injection (AIR)
Solenoid Valve and Intake Manifold Runner Control (IMRC) Valve

1 - Secondary air injection solenoid valve -N112-
2 - Intake manifold runner control valve -N316-
3 - Secondary air injection solenoid valve 2 -N320-

Valve control module -J808-

- Behind, on the supercharger

Electrical Connectors on Left
Rear of Engine

1 - Camshaft position sensor 2 -G163-
2 - Camshaft adjustment valve 2 -N208-

Oil Pressure Regulation Valve
-N428-

Secondary Air Pump Motor -V101-

- Left front in the engine compartment