1995 AUDI A6 display

01-75

Work step 2: Erase DTC Memory

Test requirement:

Engine not running, ignition switched on.
Rapid data transfer
HELP
Select function XX

When indicated on display
Note:
When DTC memory is erased, readiness code is reset and must therefore
be re-generated. - Press buttons -0- and -5- to select "Erase DTC memory" and press -Q-
button to confirm input.
Rapid data transfer DTC Memor
y is erased!

When indicated on display
-
Press button.
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01-76

Work step 3: Adapt throttle valve control
module to Engine Control Module (ECM)

Test requirement:

Engine not running, ignition switched on.
Rapid data transfer
HELP
Select function XX

When indicated on display
- Press buttons -0- and -4- to select "Initiate basic setting" and press -Q-
button to confirm input.
Basic Setting
Q
Enter display group number XXX

When indicated on display
- Press buttons -0-, -6- and -0- to select "display group number 060" and
press -Q- button to confirm input.
System in basic setting 60
1
2
3
4

When indicated on display
- Check specified values in display fields 3 and 4
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01-77


Display fields

1 2 3 4
Display group 060: Adaptation of throttle valve control module
Display xx % xx %
x
---
Indicated Throttle
valve angle
(angle
sensor 1) Throttle
valve angle
(angle
sensor 2) Adaptation step counter
Adaptation condition
Functional
range
0 to 8
ADP in progress
ADP OK
ERROR
Specified
value 3 to 93 % 97 to 3 %
8
ADP OK
Note


After adaptation, the adaptation step
counter reaches the number 8 (it is OK for
numbers to be skipped). If "ERROR." is displayed:
Check DTC memory Page
01
-16
.
If specified value is not
obtained: Note, Page 24
-
126

Note for display field 3:
Different numbers are shown in display field 3 during adaptation that represent the current adaptation condition. It is not
particularly important how the adaptation step counter (display field 3) behaves during adaptation, but rather that display field
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01-78

Work step 4: Kick down function, adapting
1)

1) Only vehicles with automatic transmission

Test requirement:

Engine not running, ignition switched on.
Basic Setting
Q
Enter displa
y group number XXX

When indicated on display
- Press buttons -0-, -6- and -3- to select "display group number 063" and
press -Q- button to confirm input.
System in basic setting 63
1
2
3
4

When indicated on display
Note:
There will be a prompt: "Operate kickdown".
Note:
During adaptation of the kick down point, the VAG1551 will display "Kick
down ADP in progress". After successful adaptation of the kick down
point, the VAG1551 will display "Kick down ADP OK". - Depress accelerator pedal completely, past kick down point, and hold
down.
- Check specified value in display field 4:
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01-79


Display fields

1 2 3 4
Display group 063: Kick down function, adapting
Display xx % xx %
Kick
down ---
Indicated Sensor 1 for
Pedal
position Sensor 2 for
Pedal
position Kick
down Adaptation condition
Functional
range
Kick
down operate
ADP in progress
ADP OK
ERROR
Specified value 12 to 97 % 4 to 49 %
Kick
down ADP OK
Note



If "ERROR." is displayed: Check DTC memory Page
01
-16
.
Note for display field 4:
"ERROR" can be indicated, for example, if the accelerator pedal is not immediately pressed in response to a request by the
tester or if the accelerator pedal is released while adaptation is running despite the fact that adaptation is not yet complete. In
both cases, "Basic Setting" must be exited and the adaptation must be performed again.
If specified value "ADP OK" is obtained:
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01-80

Work step 5: Check operating condition of
oxygen sensor control

- Start engine (for a vehicle with manual
transmission: engage clutch).

Note:
After starting engine, it may be necessary to
select the Engine Control Module (ECM) again
using "address word" 01 and the function "Initiate
basic setting" using "04".

- Install VAG1788/10 RPM adjuster on accelerator
pedal and raise engine speed to 2000 RPM.

Test requirement:

Engine running at 2000 RPM.
Basic Setting
Q
Enter display group number XXX

When indicated on display
- Press buttons -0-, -3- and -0- to select "display group number 030" and
press -Q- button to confirm input.
System in basic setting 30
1
2
3
4

When indicated on display
Note: - Check oxygen sensor status in display fields 1 and 2.
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01-81


Display fields

1 2 3 4
Display group 030: Oxygen sensor status
Display
X X X
X X X


Indicated
Oxygen sensor status, bank 1, sensor 1
Oxygen sensor status, bank 2, sensor 1


Functional range
0 = off
1 = on 0 = off
1 = on

Specified value
1 1 1
1 1 0

Significance of 3 digit indications in display group 030 X
X
X
Display fields 1 and 2
X Oxygen sensor control: 0= not active; 1 = active
X Operational readiness of oxygen sensor: 0= not active; 1 = active
X Condition of oxygen sensor heater: 0= not active; 1 = active
Note:

The first position of the 3 digit indication (heating) fluctuates between 0 and 1 at certain operation points.
Oxygen sensor control of oxygen sensor behind catalytic converter (bank 1, sensor 2) is not active without engine load,
meaning that the third position of the 3-digit display is 0.

-
Do not start test until indication in display field 1
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has reached "111" at least once and indication in
display field 2 has reached "110" at least once.
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