lock AUDI TT 1995 8N / 1.G AEB ATW Engines Charge Air System With Turbocharger Workshop Manual

21-57

Rapid data transferSelect function XX

When indicated on display:
- Press buttons -0- and -8- to select "Read Measuring Value Block" and
press -Q- button to confirm input.
Read Measuring Value Block
Q
Input displa
y group number XXX

When indicated on display:
- Press buttons -0-, -0- and -4- to select "display group number 004" and
press -Q- button to confirm input.
Read Measuring Value Block 4
1
2
3
4

Indicated on display
Do not continue with test until intake air temperature in display field 4 is
20-50 C if necessary, warm up vehicle by driving. - Press -C- button.
Read Measuring Value Block
Q
Input displa
y group number XXX

When indicated on display:
- Press buttons -1-, -1- and -5- to select "display group number 115" and
press -Q- button to confirm input.
Read Measuring Value Block 115
1
2
3
4

Indicated on display (1-4 = display fields)
- Accelerate vehicle in 3rd gear at full throttle from 2000 RPM and
observe tachometer.
- At approx. 3000 RPM, press the print button on the VAS5051 or
VAG1551 and simultaneously press the memory button -M- on the
VAG1397A.
Pa
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ystem with turbochar
ger
(en
gine code ATW
)
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21-58

Note:
The height of the charge air pressure should be
determined using the VAG1397/A turbocharger
test tool, the VAS5051 tester or the VAG1551
Scan Tool is used to determine whether the
charge air pressure is also being recognized in
the control module.

Specification on VAG1397A: 1.450-1.700 bar
Read Measuring Value Block 115 3000 RPM
42%
1770 mbar
1770 mbar

If the specification is exceeded or not met:
Repair Manual, 1.8 Liter 4-Cyl. 5V Turbo Fuel Injection & Ignition,
Repair Group 01
Specified value on VAS 5051 or VAG 1551 Display field 4: 1450-1700
mbar
- Check DTC memory of Engine Control Module (ECM):
Pa
ge 16 of 42 Char
ge air s
ystem with turbochar
ger
(en
gine code ATW
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE02.21.3