1999 AUDI A6 display

01-84

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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01-85

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
Input 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 value in display field 4.
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01-86


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 100 % 0 to 100 %
0 to 8
ADP in progress
ADP OK
ADP ERROR
Specified
value 3 to 93 % 97 to 3 %
8
ADP OK
Notes


After adaptation, the adaptation step
counter reaches the number 8 (it is OK for
numbers to be skipped). If "ADP ERROR." is displayed:
Check DTC memory Page
01
-15
.
If specified value is not
obtained: Note, page
Page 24
-147
.
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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01-87

Work step 4: Kick down function, adapting

Test requirement

Engine not running, ignition switched on.
Initiate basic settin
g
Q
Input 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: "Activate kick-down"
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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01-88


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 0 to 100 % 0 to 50 %
Kick
down operate
ADP in progress
ADP OK
ADP ERROR
Specified value 12 to 97 % 4 to 49 %
Kick
down ADP OK
Notes



If "ADP ERROR." is displayed: Check DTC memory
Page 01
-15
.
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.
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01-89

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 the
accelerator pedal and raise the engine speed.


Specification: 2200 RPM
Basic Settin
g
Q
Input displa
y 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:
A few minutes may pass until a diagnostic result is reached. - Check oxygen sensor status in display fields 1 to 4.
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01-90


Display fields

1 2 3 4
Display group 030: Oxygen sensor status with engine at idle
Display
X X X
X X X
X X X
X X X
Indicated
Oxygen sensor status,
bank 1, sensor 1 Oxygen sensor status,
bank 2, sensor 1 Oxygen sensor status,
bank 2, sensor 1 Oxygen sensor status,
bank 2, sensor 2
Functional
range 0 = off
1 = on 0 = off
1 = on 0 = off
1 = on 0 = off
1 = on
Specified
value 1 1 1
1 1 0
1 1 1
1 1 0 Significance of 3 digit indications in display group 030 X
X
X
Display fields 1 to 4
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 heating
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01-91

Work step 6: Diagnostic of oxygen sensor
aging before catalytic converter

Test requirement

Engine continues to run at 2200 RPM.
Basic Settin
g
Q
Input display group number XXX

When indicated on display:
- Press buttons -0-, -3- and -4- to select "display group number 034" and
press -Q- button to confirm input.
System in Basic Setting 34
1
2
3
4

When indicated on display:
Note:
A few minutes may pass until a diagnostic result is reached. - Check specified value in display field 4 after indication "Test ON"
appears:
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