1996 AUDI A4 display

01-57

Valves -1- and -2- for camshaft adjustment, -
N205-, -N208-:

-
Press button.Output Diagnostic Test Mode Camshaft Adjustment 1

Indicated on display
Valves 1 and 2 for camshaft adjustment, -N205- and -N208-, are actuated
(click) until pressing the button to advance the program sequence and
end the output DTM.
If one of the valves is not actuated (does not click): - Check valves for camshaft adjustment page 28
-29
-
Press button.
Rapid data transfer
HELP
Select function XX

Indicated on display
Note:
Before selecting "Output Diagnostic Test Mode" function 03 again, switch
off the ignition for approx. 20 seconds.
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01-58

Basic Setting (scan tool function 04)


Notes:

The specified values for the "Basic Setting" and
"Read Measuring Value Block" functions are
described in the respective component test
descriptions.
Disconnecting the battery or the Engine Control
Module (ECM) harness connector will erase all
learned values and the readiness code.
Diagnostic Trouble Code (DTC) memory,
however, will not be erased. After reconnecting
the battery and/or the ECM, the engine may idle
unevenly and there may be some temporary
loss of driveablity. If so, let the engine run at
idle for a few minutes until the learning process
has been completed.
No learning will take place if a malfunction
affecting engine regulation is stored in DTC
memory (this does not include sporadic
malfunctions).
Basic settings are established with the engine
running.
In "Basic Setting" display groups 60 or 98, with
the engine stopped and the ignition switched
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on, adaptation of the throttle valve control
module -J338- takes place. Adaptation of
throttle valve control module -J338- (with "Basic
Setting" function 04 and display group 60)
page 24
-150
.

In "Basic Setting" display groups 88 or 99,
oxygen sensor control is switched off. This
makes it possible to check for malfunctions that
may be caused by oxygen sensor control being
switched on or off. In the selected display
group, press buttons -4- and -8- to switch back
and forth between "Read Measuring Value
Block" function 08 and "Basic Setting" function
04.
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control head repeatedly until the display is
erased)
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01-60

Test sequence

- Connect VAG1551/VAG1552 Scan Tool (ST)
and press buttons -0- and -1- to insert "Engine
Electronics" address word 01 (engine running at
idle) page 01
-8 .
Rapid data transfer
HELP
Select function XX

Indicated on display
Note:
By pressing the HELP button an overview of possible functions will be
printed out. - Operate scan tool while observing messages on display:
- Press buttons -0- and -4 to select "Basic Setting" function 04, and
press -Q- button to confirm input.
System in Basic Setting
Q
Input display group number XXX

Indicated on display
Note:
Display group number 0 (000) is used as an example to demonstrate the
procedure.
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01-61
To change to another display group:

Display
group
VAG1551
VAG1552
higher Press -3-
button Press
button
lower Press -1-
button Press
button skip Press -C-
button Press -C-
button

- Press -0- button three times to input display
group number 0 (000), and press -Q- button to
confirm input. System in Basic Setting 1 2 3 4 5 6 7 8 9 10

Indicated on display
Notes:
In display group 0 the measuring values are displayed in decimal
form. The display can be printed out by pressing the PRINT button.
-
If specified values were attained in all display fields, press button to
advance through program sequence.
Rapid data transfer
HELP
Select function XX

Indicated on display
-
Press buttons -0- and -6- to select "End Output" function 06, and press
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-Q- button to confirm input.
- If one of the specified values is not attained page 01
-63
evaluation
of display group 000.
- Continue by using procedures in "Corrective action" column.
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01-62

Display group 000 (display in decimal values)

Engine running at idle; ECM in "Basic Setting" function 04
Display fields
Specified
value Corresponds to
1
2
3 4
5 6
7 8
9 10
Idle learn value (additive) for O2S control, bank 2 115-141 -0.65 to +0.65
ms





Idle learn value (additive) for O2S control, bank 1
115-141


-0.65 to +0.65
ms



O2S control bank 2 (if outside of tolerance, conduct test
drive) 77-179 -10 to +10 %




O2S control bank 1 (if outside of tolerance, conduct test
drive)
77-179
-10 to +10 %


Learn value-idle air flow 118-138 -5.0 to +5.0 kg/h



Idle air control value
118-138
-5.0 to +5.0 kg/h

Throttle angle 0-12
0-5


Engine speed (with electrical consumers switched off)
All-wheel drive vehicles
Front-wheel drive vehicles

62-74
74-86

620-740 RPM
740-860 RPM

Engine load (with electrical consumers switched off) 20-50 1.0-2.5 ms
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