Computers and Control Systems: Locations
Engine Management System
4.2L BAR Overviews
Cylinder Bank 1 Component Location
1 Ignition Coil with Power Output Stage -N70- , -N127- , -N291- , -N292- => [ Right Cylinder Head ] See Image Below.
• Ignition Coil with Power Output Stage N323, N324, N325 and N326 location => [ (Item 10) , , , ]
2 Camshaft Position (CMP) Sensor 3 -G300- => [ Right Cylinder Head ] See Image Below.
3 Mass Air Flow (MAF) Sensor -G70- with Intake Air Temperature (IAT) Sensor -G42-
4 Engine Control Module (ECM) -J623-
5 Camshaft Adjustment Valve 1 (exhaust) -N318- => [ Right Cylinder Head ] See Image Below.
6 Fuel Metering Valve -N290-
7 Engine Coolant Temperature (ECT) Sensor -G62- => [ Engine Coolant Temperature Sensor ] See Image Below.
8 Camshaft Adjustment Valve 1 -N205- => [ Inside Right Cylinder Head ] See Image Below.
9 Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 -N80-
10 Camshaft Position (CMP) Sensor -G40- => [ Inside Right Cylinder Head ] See Image Below.
11 Knock Sensor 2 -G66- => [ Inside Right Cylinder Head ] See Image Below.
12 Fuel Injectors, Bank 1 -N30- , -N31- , -N32- , -N33- => [ Inside Right Cylinder Head ] See Image Below.
• Fuel injectors cylinder bank 2 location => [ (Item 16) , , , ]
13 Variable Intake Manifold Runner Motor -V183- => [ Intake Manifold Front ] See Image Below.
14 Fuel Pressure Sensor -G247- => [ Inside Right Cylinder Head ] See Image Below.
15 Secondary Air Injection (AIR) Combination Valve
16 Intake Manifold Runner Position Sensor -G336- => [ Intake Manifold Assembly Overview ] See Image Below.
17 Electrical Connectors: Black for Knock Sensor 1 -G61- , Brown for Knock Sensor 2 -G66-
18 Knock Sensor 1 -G61- => [ Inside Right Cylinder Head ] See Image Below.
Cylinder Bank 2 Component Location
1 Throttle Valve Control Module -J338- => [ Intake Manifold Assembly Overview ] See Image Below.
2 Low Fuel Pressure Sensor -G410-
3 Knock Sensor 4 -G199- => [ Inside Left Cylinder Head ] See Image Below.
4 Camshaft Adjustment Valve 2 -N208- => [ Cylinder Head Assembly Overview ] See Image Below.
5 Fuel Metering Valve 2 -N402- => [ Fuel Metering Valve 2 ] See Image Below.
6 Camshaft Adjustment Valve 2 (exhaust) -N319- => [ Left Cylinder Head ] See Image Below.
7 Mass Air Flow (MAF) Sensor 2 -G246-
8 Camshaft Position (CMP) Sensor 4 -G301- => [ Left Cylinder Head ] See Image Below.
9 Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83- => [ Cooling Fans and Pumps ] Locations
10 Ignition Coil with Power Output Stage -N323- , -N324- , -N325- , -N326- => [ Left Cylinder Head ] See Image Below.
11 Electrical Connectors: Black for Knock Sensor 3 -G198- , Brown for Knock Sensor 4 -G199-
12 Camshaft Position (CMP) Sensor 2 -G163- => [ Inside Left Cylinder Head ] See Image Below.
13 Intake Manifold Runner Position Sensor 2 -G512- => [ Intake Manifold Assembly Overview ] See Image Below.
14 Knock Sensor 3 -G198- => [ Inside Left Cylinder Head ] See Image Below.
15 Intake Flap Motor -V157- => [ Intake Manifold Front ] See Image Below.
16 Fuel Injectors Bank 2 -N83- , -N84- , -N85- , -N86- => [ Inside Left Cylinder Head ] See Image Below.
Secondary Air Injection System Overview
7 - Secondary Air Injection (AIR) Solenoid Valve 2 -N320-
8 - Secondary Air Injection (AIR) Solenoid Valve -N112-
22 - Secondary Air Injection Sensor 1 -G609-
26 - Secondary Air Injection (AIR) combination valve
- Cylinder bank 1 (right)
32 - Secondary Air Injection (AIR) Pump Motor -V101- => [ Secondary Air Injection Pump Motor ] See Image Below.
- Located front right in the wheel housing below the longitudinal member
Intake Manifold Assembly Overview
1 - Intake Manifold Runner Position Sensor -G336-
- For cylinder bank 1
5 - Fuel rail with intake manifold flaps
- For cylinder bank 1
9 - Throttle valve control module -J338-
14 - Fuel rail with intake manifold flaps
- For cylinder bank 2
16 - Intake Manifold Runner Position Sensor 2 -G512-
- For cylinder bank 2
19 - Intake Manifold Tuning (IMT) Valve -N156-
Intake Manifold Front
1 - Intake Flap Motor -V157-
3 - Variable Intake Manifold Runner Motor -V183-
Cylinder Head Assembly Overview
2 - Cylinder head
7 - Ignition coil with power output stage -(N70, N127, N291, N292, N323, N324, N325, N326)-
9 - Camshaft Adjustment Valve 2 -N208-
15 - Camshaft Adjustment Valve 2 (exhaust) -N319-
Fuel Metering Valve 2
Arrow - Fuel Metering Valve 2 -N402-
Oil Pressure Switch
1 - Oil Pressure Switch -F1-
Speed Sensor
Arrow - Engine Speed (RPM) Sensor -G28-
- Located in the transmission bell housing
Engine Coolant Temperature Sensor
Engine Coolant Temperature (ECT) Sensor -G62- mounted -ARROW- on rear coolant pipe.
Secondary Air Injection Pump Motor
Secondary Air Injection (AIR) Pump Motor -V101- , mounted below right front headlight.
Left Cylinder Head
1 - Ignition Coil 5 with Power Output Stage -N323-
2 - Ignition Coil 6 with Power Output Stage -N324-
3 - Ignition Coil 7 with Power Output Stage -N325-
4 - Ignition Coil 8 with Power Output Stage -N326-
5 - Camshaft Adjustment Valve 2 (exhaust) -N319-
6 - Camshaft Position (CMP) Sensor 4 -G301-
Right Cylinder Head
1 - Camshaft Position (CMP) Sensor 3 -G300-
2 - Camshaft Adjustment Valve 1 (exhaust) -N318-
3 - Ignition Coil 4 with Power Output Stage -N292-
4 - Ignition Coil 3 with Power Output Stage -N291-
5 - Ignition Coil 2 with Power Output Stage -N127-
6 - Ignition Coil 1 with Power Output Stage -N70-
Inside Left Cylinder Head
1 - Knock Sensor 4 -G199-
2 - Camshaft Adjustment Valve 2 -N208-
3 - Camshaft Position (CMP) Sensor 2 -G163-
4 - Cylinder 8 Fuel Injector -N86-
5 - Cylinder 7 Fuel Injector -N85-
6 - Cylinder 6 Fuel Injector -N84-
7 - Cylinder 5 Fuel Injector -N83-
8 - Knock Sensor 3 -G198-
Inside Right Cylinder Head
1 - Fuel Pressure Sensor -G247-
2 - Knock Sensor 1 -G61-
3 - Camshaft Position (CMP) Sensor -G40-
4 - Cylinder 1 Fuel Injector -N30-
5 - Cylinder 2 Fuel Injector -N31-
6 - Cylinder 3 Fuel Injector -N32-
7 - Cylinder 4 Fuel Injector -N33-
8 - Camshaft Adjustment Valve 1 -N205-
9 - Knock Sensor 2 -G66-
Engine Cooling Thermostat
Map Controlled Engine Cooling Thermostat -F265- , on front of engine.