2011 03 adblue systems overview.pdf
TRANSCRIPT
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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
Pump for reducing agent with:
- Pressure sensor for reducing agent
metering system
- Heating for reducing agent pump
Swirl pot, incl.
-Fill level sensor
-Temperature sender
-Reducing agent filter
Transfer pump
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6 Audi ATU 03/2011
Q5 system overview, first generation
Control unit for
reducing agent
metering system
Pump for reducing agent with:
- Pressure sensor for reducing agent
metering system
- Heating for reducing agent pump
Swirl pot, incl.-Fill level sensor
-Temperature sender
-Reducing agent filter
Reducing agent tank
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8 Audi ATU 03/2011
Thank you.