1997 AUDI A4 AWM Engine Readiness Code Workshop Manual

01-84

Readiness code, generating


Special Tools and Equipment

Requirements
Important note:
If, during a work step, the test result is indicated as "OK" immediately after
selecting a display group, the test has already been carried out and it is
OK to continue on to the next work step.
VAG1788/10 RPM adjusterVehicle stationary Vehicles with automatic transmission Selector lever in P or N. Electrical consumers switched off (radiator fan must NOT run during
test). A/C switched off. Coolant temperature at least 80 C Display group 004, display
field 3. Important: Drive engine warm via road test if possible.
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Work step 1: Check DTC Memory

Test requirement:

Engine not running, ignition switched on.

- Connect VAS5051 tester Page 01
-7 and
select vehicle system "01 - Engine electronics".
Ignition must remain switched on for this.

Display on VAS5051:
- In selection -1-, click on the diagnostic function "02 - Check DTC
memory".

Display on VAS5051:
1 - DTC memory content:

0 malfunctions recognized
or

X malfunctions recognized
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2 - Malfunction

DTC

malfunction location
malfunction type
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01-86
If a DTC is stored:

- Repair malfunction, erase DTC memory. Road
test vehicle and then check DTC memory as a
control measure.
If no DTCs are stored:

-
Click on - button
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Work step 2: Erase DTC Memory

Test requirement:

Engine not running, ignition switched on.

Display on VAS5051:
Note:
When DTC memory is erased, readiness code is reset and must therefore
be re-generated. - In selection -1-, click on the diagnostic function "05 - Check DTC
memory".

Display on VAS5051:
1 - no indication (before erasing)
or

DTC memory erased
2 - Note:Perform the function?Note: Data is being erased !
- Press on "OK" button in display -2-.
-
Click on - button
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Work step 3: Adapt throttle valve control
module to Engine Control Module (ECM)

Test requirement:

Engine not running, ignition switched on.

Display on VAS5051:
- In selection -1-, click on the diagnostic function "04 - Basic setting".

Display on VAS5051:
1 - Enter display group Max. input value = 255
- Select function "060" in button field -2- for "display group number 060"
and press Q button to confirm input.
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Display on VAS5051:
- Check specified values in display fields -3- and -4-.
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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
-12
.
If specified value is not
obtained: Note, Page 24
-
130

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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