2011 03 adblue systems overview.pdf

7/23/2019 2011 03 AdBlue Systems Overview.pdf

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ATU Audi Technical Updates

AdBlue Systems Overview


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2 Audi ATU 03/2011

Contents: AdBlue Systems Overview

General

No. Event Topic Type/model

1 11/2010 AdBlue systems Q7/B8/Q5


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3 Audi ATU 03/2011

AdBlue systems

Q7 system overview

B8 system overview

Q5 system overview

Display strategy for AdBlue system malfunctions


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4 Audi ATU 03/2011

Q7 system overview

Passive tank for reducing agent

15.5 litresAct ive tank for redu cing ag ent

7.5 litres

Transfer pump f or

reducing agent

V436

Control unit for

reducing agent

metering system

J880

Engine control unit

J623

Pump for reducing agent with:

- Pressure sensor for reducing agent

metering system*

- Heating for reducing agent pump

Injector

for reducing agent

N474

DeNOx catalytic converter

5 bar

Swirl pot, incl.

-Fill level sensor

-Temperature sender

-Reducing agent filter

*Always check ETKA the pressure sensor will be available separately on some pumps


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5 Audi ATU 03/2011

B8 system overview

Passive tank for reducing agent

Act ive tank for reducing agent

Control unit for

reducing agent

metering system



metering system


Swirl pot, incl.

-Fill level sensor

-Temperature sender


Transfer pump


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6 Audi ATU 03/2011

Q5 system overview, first generation

Control unit for

reducing agent

metering system



metering system


Swirl pot, incl.-Fill level sensor

-Temperature sender


Reducing agent tank


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8 Audi ATU 03/2011

Thank you.

2011 03 adblue systems overview.pdf

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