Component Location Overview - Engine Compartment

Fig 1: Exploded View Of Fuel Injection System Components

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1. Cylinder Head Coolant Valve -N489-
   • Component location, refer to Fig 6.
2. Injector
   • Cylinder 1 Fuel Injector -N30-
   • Cylinder 2 Fuel Injector -N31-
   • Cylinder 3 Fuel Injector -N32-
   • Cylinder 4 Fuel Injector -N33-
   • Overview, refer to OVERVIEW - FUEL INJECTORS .
3. Differential Pressure Sensor -G505-
   • if equipped depends on the depending on the exhaust gas standard
   • Overview, refer to EXHAUST GAS TEMPERATURE SENSOR 1 -G235- .
4. Exhaust Pressure Sensor 1 -G450-
   • Overview, refer to EXHAUST GAS TEMPERATURE SENSOR 1 -G235- .
5. Charge Pressure Actuator Position Sensor -G581-
6. Engine Coolant Temperature Sensor -G62-
   • Overview, refer to OVERVIEW - ENGINE COOLANT TEMPERATURE SENSOR .
7. Wastegate Bypass Regulator Valve -N75-
   • Connector for the Wastegate Bypass Regulator Valve -N75-, refer to Fig 3
8. Mass Airflow Sensor -G70-
   • Component location, refer to Fig 3.
   • Overview, refer to OVERVIEW - AIR FILTER HOUSING .
9. Engine Control Module -J623-
   • Removing and installing, refer to ENGINE CONTROL MODULE -J623- .
10. Charge Air Pressure Sensor -G31-
    • Overview, refer to OVERVIEW - CHARGE AIR SYSTEM .
11. Intake Air Temperature Sensor -G42-
    • Overview, refer to OVERVIEW - INTAKE MANIFOLD .
12. Fuel Pressure Regulator Valve -N276-
    • Overview, refer to OVERVIEW - HIGH PRESSURE RESERVOIR (RAIL) .
13. Charge Air Temperature Sensor after Charge Air Cooler - G811-
    • Overview, refer to OVERVIEW - INTAKE MANIFOLD .
14. Camshaft Position Sensor -G40-
    • Camshaft position sensor
    • Overview, refer to OVERVIEW - GLOW PLUG SYSTEM .
15. Glow Plugs
    • Glow Plug 1 -Q10-
    • Glow Plug 2 -Q11-
    • Glow Plug 3 -Q12- with the Cylinder 3 Combustion Chamber Pressure Sensor -G679-
    • Glow Plug 4 -Q13-
    • Overview, refer to OVERVIEW - GLOW PLUG SYSTEM .
16. Fuel Temperature Sensor -G81-
    • In the fuel supply line
    • Removing and installing, refer to FUEL TEMPERATURE SENSOR -G81- .
17. Fuel Pressure Sensor -G247-
    • Overview, refer to OVERVIEW - HIGH PRESSURE RESERVOIR (RAIL) .
18. High Pressure Pump
    • With Fuel Metering Valve - N290- (not open)
    • Overview, refer to OVERVIEW - HIGH PRESSURE PUMP .

Fig 2: Accelerator Pedal Module, Assembly Overview

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Contains:

• Accelerator Pedal Position Sensor -G79-
• Accelerator Pedal Position Sensor 2 -G185-

Fig 3: Disconnect The Black

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1. Exhaust Gas Temperature Sensor 4 -G648-
2. Exhaust Gas Temperature Sensor 3 -G495-
3. Oxygen Sensor 1 before Catalytic Converter -GX10-

Installation position of the connector -1- for the Exhaust Gas Temperature Sensor 2 -G448-.

Fig 4: Disconnect Connectors

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Fig 5: Exhaust Door Control Unit -J883- Component Location

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• In front exhaust pipe.

Removing and Installing, refer to EXHAUST DOOR CONTROL UNIT -J883- .

Fig 6: Cylinder Head Coolant Valve - N489- Component Location

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• -1- at the top of the coolant pump

Removing and Installing, refer to CYLINDER HEAD COOLANT VALVE -N489- .

Fig 7: Identifying Engine Coolant Temperature Sensor

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

• On the right connection on the radiator