Component Location Overview
Component Location Overview
• Components A through F are not shown in the illustration.
A - Diagnostic Connection
• In the drivers side foot well.
B - Mass Airflow Sensor (G70)
• With the intake air temperature sensor 2 (G299).
• Installed location, refer to => [ Mass Airflow (MAF) Sensor ].
• Removing and installing, refer to => [ Mass Airflow Sensor (G70) ] Service and Repair.
C - Accelerator Pedal Position Sensor (G79) and Accelerator Pedal Position Sensor 2 (G185)
• On the accelerator pedal (both sensors are integrated into one housing).
• Accelerator pedal module overview, refer to => [ Accelerator Pedal Module Overview ] Accelerator Pedal Module Overview.
D - Coolant Fan Control Module (J293)
• The coolant fan control module is integrated in the coolant fan (V7).
E - Fuel Injector
• Cylinder 1 fuel injector (N30).
• Cylinder 2 fuel injector (N31).
• Cylinder 3 fuel injector (N32).
• Cylinder 4 fuel injector (N33).
• In the fuel rail, refer to => [ Fuel Rail Overview ] Fuel Rail Overview.
• Removing and installing, refer to => [ Fuel Injector ] Fuel Injector.
• Cleaning, refer to => [ Fuel Injector, Cleaning ] Service Precautions.
F - Evaporative Emission (EVAP) System
• Jetta/GLI for MY 08 through 10, Jetta SportWagen (US)/Jetta Wagon (Canada) for MY 09, refer to => [ EVAP System Component Overview ] EVAP System Component Overview.
• GLI from MY 12, refer to => [ EVAP System Schematic Overview ] EVAP System Schematic Overview.
1 - Camshaft Adjustment Valve 1 (N205)
• Removing and installing, refer to => [ Camshaft Adjustment Valve 1 (N205) ] Service and Repair.
2 - Wastegate Bypass Regulator Valve (N75)
• Installed directly on the turbocharger, refer to => [ Turbocharger Components ].
3 - Turbocharger Recirculation Valve (N249)
• Installed directly on the turbocharger, refer to => [ Turbocharger Components ].
4 - Ignition Coils with Power Output Stages
• Ignition coil 1 with power output stage (N70).
• Ignition coil 2 with power output stage (N127).
• Ignition coil 3 with power output stage (N291).
• Ignition coil 4 with power output stage (N292).
• Removing and installing, refer to => [ Ignition Coil with Power Output Stage ] Service and Repair.
5 - Engine Control Module (J623)
• Removing and installing, refer to the following:
GLI from MY 12:
=> [ Engine Control Module ] Service and Repair
• On the 2012 GLI, the Engine Control Module (ECM) is located in the engine compartment next to the engine box.
6 - High Pressure Pump
• With the fuel pressure regulator valve.
• Installed location, refer to => [ High Pressure Pump ].
• Removing and installing, refer to => [ High Pressure Pump ] High Pressure Pump.
7 - Fuel Pressure Regulator Valve (N276)
• Installed location, refer to => [ High Pressure Pump ].
8 - Engine Coolant Temperature Sensor on Radiator (G83)
• In the lower radiator hose, refer to => [ Radiator, Fan Shroud and Coolant Fans Overview ] Radiator, Fan Shroud and Coolant Fans Overview.
9 - Vacuum Actuator
• For the variable intake manifold.
• Installed location, refer to => [ Intake Manifold Runner Control (IMRC) Valve ].
10 - Intake Manifold Runner Control Valve (N316)
• Installed location, refer to => [ Intake Manifold Runner Control (IMRC) Valve ].
11 - Engine Speed Sensor (G28)
• On the front lower left side of the cylinder block, next to the oil separator. Refer to => [ Engine Speed Sensor ].
• Removing and installing, refer to => [ Engine Speed Sensor (G28) ] Service and Repair.
12 - Charge Air Pressure Sensor (G31)
• Installed location, refer to => [ Charge Air Pressure Sensor ].
13 - Knock Sensor 1 Electrical Connector
• Installed location: beneath the intake manifold, refer to => [ Electrical Connectors ].
14 - Camshaft Position Sensor Electrical Connector
• Installed location: beneath the intake manifold, refer to => [ Electrical Connectors ].
15 - 8 Pin Harness Connector for the Fuel Injectors
• Installed location: beneath the intake manifold, refer to => [ Electrical Connectors ].
16 - Throttle Valve Control Module (J338)
• With the EPC throttle drive (G186) , EPC throttle drive angle sensor 1 (G187) and the EPC throttle drive angle sensor 2 (G188).
• Removing and installing, refer to => [ Throttle Valve Control Module (J338) ] Removal and Replacement.
• Cleaning, refer to => [ Throttle Valve Control Module, Cleaning ] Procedures.
17 - Evaporative Emission Canister Purge Regulator Valve 1 (N80)
• Installed location; refer to => [ Intake Manifold Overview ] Intake Manifold Overview.
18 - Intake Air Temperature Sensor (G42)
• Installed location; refer to => [ Intake Manifold Overview ] Intake Manifold Overview.
19 - Knock Sensor 1 (G61)
• On the front of the cylinder head under the intake manifold. Refer to => [ Ignition System Component Overview ] Service and Repair.
• Removing and installing, refer to => [ Knock Sensor 1 (G61) ] Service and Repair.
20 - Engine Coolant Temperature Sensor (G62)
• In the coolant pump housing, refer to => [ Engine Coolant Temperature (ECT) Sensor ].
21 - Camshaft Position Sensor (G40)
• Bolted on the front of the cylinder head cover, refer to => [ Camshaft Position (CMP) Sensor ].
22 - Fuel Pressure Sensor (G247)
• On the fuel rail, refer to => [ Fuel Rail Overview ] Fuel Rail Overview.
23 - Intake Manifold Runner Position Sensor (G336)
• In the right intake manifold; refer to => [ Fuel Rail Overview ] Fuel Rail Overview.
• To remove and install, remove the intake manifold. Refer to => [ Intake Manifold with Fuel Rail ] Intake Manifold with Fuel Rail.
24 - Oil Pressure Switch (F1)
• Inside the accessory bracket, refer to => [ Oil Filter, Oil Cooler and Oil Pressure Switch Overview ] Service and Repair.
High Pressure Pump
1. Fuel pressure regulator valve
2. High pressure pump
Intake Manifold Runner Control (IMRC) Valve
1. Vacuum actuator for variable intake manifold
2. IMRC valve
Mass Airflow (MAF) Sensor
1. MAF sensor
• with the IAT sensor 2
• The IAT sensor 2 and the MAF sensor are integrated in a single housing.
Engine Speed Sensor
1. engine speed sensor
Camshaft Position (CMP) Sensor
1. CMP sensor
Electrical Connectors
1. from the CMP sensor
2. from the knock sensor 1
3. 8 pin harness connector for the fuel injectors
Engine Coolant Temperature (ECT) Sensor
1. ECT sensor
• Under the intake manifold (the intake manifold is not shown in the illustration).
Charge Air Pressure Sensor
1. Charge air pressure sensor
Turbocharger Components
1. Turbocharger
2. Wastegate bypass regulator valve
3. Turbocharger Recirculation Valve
• Overview, refer to => [ Recirculation and Wastegate Bypass Regulation Valves ] Turbocharger Component Overviews.