1996 AUDI A4 engine

24-21

Work sequence

- Switch off ignition.

- Pull rubber gasket forward.

- Remove plenum cover forward.

- Remove cover for E-box (in plenum chamber).

CAUTION!
To prevent damage to the electronic components, switch to the
respective measuring range before connecting the measuring cable
and observe the test requirements. - Carefully lever off the retainer bar with a screwdriver -arrow-.
- Release connectors on engine control module and disconnect
connectors.
Pa
ge 24 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, servicin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.24.1

24-22


After installing the engine control module, carry out the following
operation
Note:
At the first learning (adaptation) phase during the "Engine-Basic Setting"
the engine might run a little rough at idle and bucks/jerks a little while
driving. - Connect VAG1598/31 test box to wiring harness connector. Also
connect the Ground (GND) clamp from test box to Ground (GND). The
instructions for performing the individual tests indicate whether or not
the engine control module itself also needs to be connected to the test
box.
- Carry out test as described in the relevant repair instructions.
- Check DTC memory and erase if necessary Page 01
-15
.
- Generate new readiness code Page 01
-105
.
Pa
ge 25 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, servicin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.24.1

24-23

Procedure after interrupting voltage
supply


Note:
At the first learning (adaptation) phase during the
"Engine-Basic Setting" the engine might run a
little rough at idle and bucks/jerks a little while
driving.

Required special tools and test equipment

Work procedure
Carry out the following work after the voltage was interrupted:
VAS 5051 with VAS 5051/1
orVAG1551 with VAG1551/3B
- Check DTC memory and erase if necessary Page 01
-15
.
- Generate new readiness code Page 01
-105
.
Pa
ge 26 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, servicin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.24.1

24-24

Motronic Engine Control Module (ECM) -
J220, replacing


Note:
When the engine control module is disconnected
the learned values are erased but the contents of
the DTC memory remain intact.

Required special tools and test equipment

Removing
VAS 5051 with VAS 5051/1
orVAG1551 with VAG1551/3B
- Connect vehicle Diagnostic, Test and Information System VAS5051 or
VAG1551 scan tool to vehicle and select control module for engine
elcectronics "Adress word" 01 Page 01
-9 . The ignition must be
switched on.
8D0907551.. 2.7L V6/5VT
G 0002
Codin
g 06711
WSC 06388

Indicated on display: e.g. ECM identification on VAG1551
- Always display control module identification and print out Page 01
-
13
.
Pa
ge 27 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, servicin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.24.1

24-25

- Compare coding with coding variation table
Page 01
-93
.

- Switch ignition off.

- Pull rubber gasket forward.

- Remove plenum cover forward.

- Remove cover for E-box (in plenum chamber).

Installing
Installation is performed in the reverse sequence. However note the
following:
Note:
At the first learning (adaptation) phase during the "Engine-Basic Setting"
the engine might run a little rough at idle and bucks/jerks a little while
driving. - Carefully lever off the retainer bar with a screwdriver -arrow-.
- Release connectors on engine control module and disconnect
connectors.
- Remove engine control module.
Pa
ge 28 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, servicin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.24.1

24-26

Important Note:
After installing new engine control module, carry
out the following operations:
- Check DTC memory and erase if necessary
Page 01
-15
.
- Perform adaptation of Throttle Valve Control
Module -J338 Page 24
-146
.
- Observe notes for coding new engine control
module Page 01
-93
.
- On vehicles with cruise control (recognizable at
steering column switch), activate cruise control
function in the engine control module.

Repair Manual, Electrical Equipment, Repair
Group 01

- On vehicles with automatic transmission carry
out adaptation for Kick-Down switch Page 24
-
166
.
- Generate readiness code Page 01
-105
.
- Perform adaptation of immobilizer to engine
control module

Pa
ge 29 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, servicin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.24.1

Repair Manual, Electrical Equipment, Repair
Group 01, On Board Diagnostic of Immobilizer, Adaptation after replacing engine control module


Pa
ge 30 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, servicin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.24.1

24-27

Idle speed, checking


Test conditions

No leaks in exhaust system
Coolant temperature at least 80 C

Electrical consumers switched off (radiator
fan must not run during the check)
A/C switched off
Pressure gauge not connected
Selector lever in position P or N (vehicles
with automatic transmission)

Checking idle speed

Notes:
The idle speed cannot be adjusted.
The idle speed is tested during the basic setting
of the engine.
Pa
ge 31 of 90 Motronic Multi
port Fuel In
jection
(MFI
) system, servicin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.24.1