AUDI A4 2000 B5 / 1.G AC System On Board Diagnostic Manual Online

01-57

Code Control Module (function 07)


A/C control head -E87- coding, vehicles 1996

Notes:

A/C control head coding 1997 page 01
-
59
.

A/C control head coding 1998 page 01
-
61
.
A/C control head -E87- coding shows market
application, compressor type and engine type.

Notes:

Zexel A/C compressors are installed from start
of production. During m.y. 1996, Nippondenso
type compressors are installed as a running
change. These compressors are not equipped
with A/C speed sensor G111.
Each time A/C control head -E87- is coded,
basic setting must be performed page 01
-
52
.

If a the display of a newly installed A/C control
head -E87- flashes after switching ignition on
(for approximately 2 minutes), code the control
Pa
ge 81 of 91 A/C s
ystem, On Board Dia
gnostic
(OBD
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.HA01.01.1

head and execute basic setting.

- Connect Scan Tool VAG1551 or 1552 in
operating mode -1-, enter address word 08 "A/C
Heating Electronics" and move forward in
program until "select function XX" appears in the
display.

- Switch on printer by pressing the PRINT button
(indicator lamp in button comes on).
Pa
ge 82 of 91 A/C s
ystem, On Board Dia
gnostic
(OBD
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.HA01.01.1

01-58

Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -7-.
Rapid data transfer
Q
07 - Code Control Module

Indicated on display
- Press -Q- button to confirm input.
Code Control ModuleEnter code number XXXXX

Indicated on display
Coding m.y. 1996:
Note:
Coding example, m.y. 1996: 0 0 1 6 2
0 = open
0 = open
1 = compressor w/o Compressor Speed Sensor -G111-
(0 = compressor with -G111-) -
Press button.Code
Market
Compressor
Engine
00062
USA/CDN
Zexel
6-cylinder gasoline
00162
USA/CDN
Nippondenso
6-cylinder gasoline
Pa
ge 83 of 91 A/C s
ystem, On Board Dia
gnostic
(OBD
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.HA01.01.1

6 = 6-cyl. engine
2 = gasoline engine USA/CDN
Pa
ge 84 of 91 A/C s
ystem, On Board Dia
gnostic
(OBD
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.HA01.01.1

01-59

A/C control head -E87- coding, vehicles 1997

Note:
A/C control head coding 1996 page 01
-57
.

Code
Market
Compressor
Engine
04142
USA/CDN
Zexel
4-cylinder
gasoline
04162
USA/CDN
Nippondenso
6-cylinder
gasoline

Note:
Coding example, m.y. 1997: 0 4 1 4 2
0 = open
4 = Audi A4
1 = compressor w/o compressor speed sensor -
G111-
4 = 4-cyl. engine
(6 = 6-cyl. engine)
2 = gasoline engine USA/CDN

Notes:
Pa
ge 85 of 91 A/C s
ystem, On Board Dia
gnostic
(OBD
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.HA01.01.1

A/C control heads beginning with Part No. 8L0
820 043 should only be installed in m.y. 1997
vehicles.
If a replacement A/C control head -E87- is not
coded after installation or if an unrecognized
code was entered, code "04142" (Audi A4 4-cyl.
- USA) is stored.
Pa
ge 86 of 91 A/C s
ystem, On Board Dia
gnostic
(OBD
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.HA01.01.1

01-60

CAUTION!

Part numbers are for reference only.
Always check with your Parts Dept. for the
latest information.
Coding example:

- Enter code "00062" by pressing applicable
buttons on key pad of VAG1551.
Code Control ModuleEnter code number 00062

Indicated on display
Notes: - Press -Q- button to confirm input.
- Perform basic setting page 01
-52
.
Nippondenso A/C compressors must have A/C control head Part No.
index "H" installed to allow coding "00162." If an unrecognized code is entered in a control head, it is suppressed
and coding "00042" (4-cyl. gasoline engine USA) is then stored. When replacing an A/C control head, always refer to the most recent
parts information.
Pa
ge 87 of 91 A/C s
ystem, On Board Dia
gnostic
(OBD
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.HA01.01.1

01-61

Part
number Comments
8L0 820
043 after
D For all vehicles up to m.y. 98 without
radio navigation system up to VIN
199999 of m.y. 1999 (lighting
indirectly activated via terminal 58s).
8D0 820
043 K or L Version with only one display (for
vehicles with radio navigation
system up to VIN 199999 of m.y.
1999)
8D0 820
043 after
M Version with only one display (for
vehicles as of VIN 200000 of m.y.
1999)

A/C control head -E87- (with one display),
coding table vehicles 1998
Notes:

A/C control head coding 1996 page 01
-
57
.

The following coding table is only valid for A/C
control heads with part number 8D0 820 043
after index "K." Additional coding tables and
coding A/C control head -E87- page 01
-57
.
A/C control heads -E87- with the part number
8D0 820 043 after index "K" have only one
Pa
ge 88 of 91 A/C s
ystem, On Board Dia
gnostic
(OBD
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.HA01.01.1

display, they are installed in the following
vehicles:

in vehicles with radio navigation system
(implemented gradually in m.y. 1998)
in vehicles with radio navigation system after
VIN 200000 of m.y. 1999
Pa
ge 89 of 91 A/C s
ystem, On Board Dia
gnostic
(OBD
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.HA01.01.1

01-62

Code

Meaning
00 Place holder, unallocated

1 USA

4 4 cylinder engine

6 6 cylinder engine

0 Left Hand Drive gas engine

Coding example

00140 USA 4 cyl. Left Hand Drive gas engine
00160 USA 6 cyl. Left Hand Drive gas engine
Pa
ge 90 of 91 A/C s
ystem, On Board Dia
gnostic
(OBD
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.HA01.01.1