Page 73 of 91
01-52
Basic setting (function 04)
- Connect Scan Tool VAG1551 or 1552, 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 the button comes on).
- Check DTC memory ( page 01
-18
) and repair
all malfunctions which are displayed.
- Erase DTC memory page 01
-55
.
- Check coding ( page 01
-57
) and re-code if
necessary.
Rapid data transfer
HELP
Select function XX
Indicated on display (function selection)
- Press buttons -0- and -4-.
Rapid data transfer
Q
04 - Basic Settin
g
Indicated on display
- Press -Q- button to confirm input.
Start basic settin
g
HELP
Input display number XXX
Indicated on display
- Press buttons -0- and -1-.
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Page 75 of 91
01-53
Note:
The following flap motors are actuated in
sequence and end positions are stored in A/C
control head -E87-:
Temperature Regulator Flap Motor -V68-
Central Flap Motor -V70-
Footwell/Defroster Flap Motor -V85-
Air Flow Flap Motor -V71-
End positions are determined from resistance
values of potentiometers installed in the
air/temperature flap flap motors.
Basic settin
g 1
XXX XXX XXX XXX
Indicated on display
Basic settin
g 1
0 0 0 0
Indicated on display
When all display fields indicate "0", basic setting is ended.
-
Press button.
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Page 77 of 91
01-55
Erase DTC Memory (function 05)
Requirements
DTC Memory checked
Erasing DTC memory
-
Press button.
Rapid data transfer
HELP
Select function XX
Indicated on display
- Press buttons -0- and -5-.
Rapid data transfer
Q
05 - Erase DTC Memor
y
Indicated on display
- Press -Q- button to confirm input.
Rapid data transfer
Q
DTC Memor
y is erased!
Indicated on display
-
Press button.
Attention!DTC Memor
y is not interro
gated
Indicated on display
Notes:
If display appears as shown, check DTC memory and follow test
procedures carefully page 01
-18
.
If ignition was switched off between "Check DTC Memory" and "Erase
DTC memory," the memory is not erased. Check DTC memory once
Pa
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Page 79 of 91
01-56
End output (function 06)
Requirements:
DTC Memory checked
Malfunctions repaired
Basic setting performed
DTC memory erased
A/C control head coding confirmed
Ending output
-
Press button.
Rapid data transfer
HELP
Select function XX
Indicated on display
- Press buttons -0- and -6-.
Rapid data transfer
Q
06 - End Output
Indicated on display
- Press -Q- button to confirm input.
Rapid data transfer
HELP
Indicated on display
Pa
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Page 81 of 91
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
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Page 82 of 91
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
)
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Page 83 of 91
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
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Page 87 of 91
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
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pair&id=AUDI.B5.HA01.01.1