3.0L TDI CATA Overviews

Component locations: Engine Management System

3.0L TDI CATA Overviews

Coolant Temp Sensor

4 - Engine coolant temperature sensor -G62-

Exhaust Gas Recirculation
System Assembly Overview

10 - Exhaust Gas Recirculation (EGR) Motor -V338-
- With EGR Potentiometer -G212- and EGR Vacuum Regulator Solenoid Valve -N18-
15 - EGR Temperature Sensor -G98-

EGR cooler switch-over valve 2 -N381- / EGR cooling bypass valve -N386-

- located on the left (driver side) at the rear of the cylinder head

Intake Manifold Assembly
Overview

2 - Throttle Valve Control Module -J338-
15 - Intake flap motor
• Cylinder bank 1 Intake flap control unit -GX14- (right): Intake Flap Motor -V157- integrated
with Intake Manifold Runner Position Sensor -G336-

• Cylinder bank 2 Intake flap control unit 2 -GX15- (left): Intake Flap Motor 2 -V275- integrated
with Intake manifold runner position sensor 2 -G512-

Fuel System Assembly Overview

4 - Fuel Temperature Sensor -G81-
7 - Fuel Pressure Regulator Valve -N276-
- Installed on cylinder bank 1
12 - High pressure fuel pump with Fuel Metering Valve -N290-
19 - Fuel Pressure Sensor -G247-
- Bolted in the rail element on cylinder bank 2

Charge Air Cooler Hoses/Pipes
Assembly Overview

7 - Throttle valve control module -J338-
9 - Intake air temperature sensor -G42- with Charge air pressure sensor -G31-

Turbocharger Overview

14 - Damper from Mass airflow sensor -G70- to the turbo
15 - Exhaust gas temperature sensor 1 -G235-
19 - Turbocharger: contains Turbocharger control module 1 -J724- with Turbocharger 1 servo motor -V280- and Charge pressure actuator position sensor -G581-

Exhaust Gas Recirculation
Cooler Pump Assembly Overview

1 - Coolant hose to coolant thermostat
2 - Exhaust Gas Recirculation (EGR) Cooler Pump -V400-
6 - Coolant hose to cooler for EGR

EGR cooler switch-over valve -N345-

Located on top of the engine to the left (driver side) of center

Engine Speed (RPM) Sensor -G28-

Oil Pump and Lower Oil
Pan Assembly Overview

20 - Oil Level Thermal Sensor -G266-

Upper Oil Pan Assembly
Overview

7 - Oil Pressure Regulation Valve -N428-
17 - Oil Pressure Switch -F22-

Oil Cooler, Pressure
Regulator Valve and Oil Filter Housing Overview

1 - NOx Sensor 2 -G687- with NOx Sensor 2 Control Module -J881-
5 - Reducing agent injector -N474-

AdBlue© Delivery Module
Assembly Overview

2 - Delivery Line
• For the AdBlue© (reducing agent)

• With AdBlue© (reducing agent) Reducing agent line heater -Z104-

4 - AdBlue© pump -V437-
• With the AdBlue© Reducing agent pump heater -Z103-

• With the AdBlue© Reducing agent metering system pressure sensor -G686-

• With the AdBlue© Reducing agent reversing valve -N473-

8 - Heating Element
• With AdBlue© (reducing agent) Reducing agent tank heater -Z102-

• With the AdBlue© (reducing agent) Reducing agent reservoir sensor -G697-

• With AdBlue© (reducing agent) Reducing agent temperature sensor -G685-

Camshaft position sensor -G40-

Located on cylinder head below injectors, toward bulkhead