Computers and Control Systems: Locations
Engine Management System
5.0L TDI BWF Overviews
Note:
• The components illustrated correspond to cylinder bank 1. They are
a mirror image of the components for cylinder bank 2.
Air Filter Assembly Overview
7 - Mass Air Flow (MAF) sensor
• Cylinder bank 1: Mass Air Flow (MAF) Sensor -G70-
• Cylinder bank 2: Mass Air Flow (MAF) Sensor 2 -G246-
Note:
• The components illustrated correspond to cylinder bank 1. They are
a mirror image of the components for cylinder bank 2.
Intake Connection Assembly Overview
14 - Intake connection with intake flap motor
• Cylinder bank 1: Intake Flap Motor -V157-
• Cylinder bank 2: Intake Flap Motor 2 -V275-
15 - Exhaust Gas Recirculation (EGR) vacuum regulator solenoid valve with EGR potentiometer
• Cylinder bank 1: EGR Vacuum Regulator Solenoid Valve -N18- with EGR Potentiometer -G212-
• Cylinder bank 2: EGR Valve 2 -N213- with Exhaust Gas Recirculation (EGR) Position Sensor 2 -G466-
Note:
• The components illustrated correspond to cylinder bank 1. They are
a mirror image of the components for cylinder bank 2.
Turbocharger Assembly Overview
3 - Turbocharger intake temperature sensor
- Only on vehicles with engine code BWF
• Cylinder bank 1: Exhaust Gas Temperature (EGT) Sensor 1 -G235-
• Cylinder bank 2: Bank 2 Exhaust Gas Temperature (EGT) Sensor 1 -G236-
8 - Turbocharger (TC) 1 Control Module -J724- /Turbocharger (TC) 2 Control Module -J725-
• Cylinder bank 1: Turbocharger (TC) 1 Servo-Motor -V280-
• Cylinder bank 2: Turbocharger (TC) 2 Servo-Motor -V281-
Charge Air Cooler Components Overview
7 - Charge air pressure sensor with Intake Air Temperature (IAT) sensor
• Cylinder bank 1: Charge Air Pressure Sensor -G31- with Intake Air Temperature (IAT) Sensor -G42-
• Cylinder bank 2: Charge Air Pressure Sensor 2 -G447- with Intake Air Temperature (IAT) Sensor 2 -G299-
Crankshaft Assembly Overview
10 - Engine Speed (RPM) Sensor -G28-
Coolant Connection
1 - Engine Coolant Temperature (ECT) Sensor -G62-
- Located in the coolant connection.
Coolant Thermostat Housing Assembly
Overview
6 - Map Controlled Engine Cooling Thermostat -F265-
Post Injection Metering Pump
1 - Bank 2 Particle Filter Post-Injection Metering Pump -V337-
2 - Bank 1 Particle Filter Post-Injection Metering Pump -V336-
Front Exhaust Pipe with Catalytic
Converter and Particle Filter Overview
Note:
• The components illustrated correspond to cylinder bank 1. They are
a mirror image of the components for cylinder bank 2.
5 - Pre-particle filter temperature sensor
• Cylinder bank 1: Exhaust Gas Temperature (EGT) Sensor 2 -G448-
• Cylinder bank 2: Particle Filter Intake Temperature Sensor 2 -G498-
7 - Post-particle filter temperature sensor
- Only for vehicles with engine code BWF
• Cylinder bank 1: Bank 1 Exhaust Gas Temperature (EGT) Sensor 3 -G496-
• Cylinder bank 2: Bank 2 Exhaust Gas Temperature (EGT) Sensor 3 -G497-
Vacuum Hose Connection Diagram
1 - Vacuum Actuator
- For cylinder bank 1
2 - Vacuum Actuator
- For cylinder bank 2
4 - Exhaust Gas Recirculation (EGR) Cooler Switch-Over Valve -N345-
• For cylinder bank 1
• Located in the right rear wheel housing.
5 - Exhaust Gas Recirculation (EGR) Cooler Switch-Over Valve 2 -N381-
• For cylinder bank 2
• Located in the right front wheel housing
Fuel Line Connection Diagram
5 - Fuel Rail
- For cylinder bank 2
7 - Fuel Rail
- For cylinder bank 1
9 - Fuel Temperature Sensor -G81-
- For cylinder bank 1 and 2
10 - Fuel Pump
- For cylinder bank 2
Pressure Sensor Locations
1 - Exhaust Pressure Sensor 1 -G450-
- The pressure sensors are installed above the transmission with a bracket
2 - Exhaust Pressure Sensor 2 -G451-
- The pressure sensors are installed above the transmission with a bracket
3 - Pressure line
Lower Oil Pan Assembly Overview
3 - Oil Level Thermal Sensor -G266-
Camshaft Position (CMP) sensor
C - Camshaft Position (CMP) Sensor -G40- (only on cylinder bank 1)