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Discussion Starter #1
Hi There,

anybody out there that can let all of us know how you enter into DIAGNOSTICS mode on a B6 platform (2003 -->) model A4??

On the B5 it was/is possible by the below;

This is how you enter DIAGNOSTICS mode:

1. Ignition switch on
2. Circulating air + arrow upward
3. Channel number input: +/- temperature selection on driver's side
4. anschl. Circulating air
5. Change in normal mode: Circulating air + arrow upward

Thesis of AR the channelsnumbers + description OF the result:

Channel/contents:
0 system errors, see separate table
1 desired value of the blower voltage (volt)
2 actual value of the blower voltage (volt)
3 desired value Defklappe
4 scaled desired value Defklappe
5 scaled actual value of Defklappe
6 desired value foot/man branch Roman flap
7 scaled desired value foot/man branch Roman flap
8 scaled actual value of foot/man branch Roman flap
9 desired value ram air/circulating air flap
10 scaled desired value ram air/circulating air flap
11 scaled actual value of ram air/circulating air flap
12 desired value temperature flap left
13 scaled desired value temperature flap left
14 scaled actual value of temperature flap left
15 desired value temperature flap on the right
16 scaled desired value temperature flap on the right
17 scaled actual value of temperature flap on the right
18 driving speed (km/h)
19 engine speed (10 rpm)
20 software-Version
21 Audi software indexing
22 Hella software indexing
23 coding
24 digital value outside temperature feeler bumper in cnts
25 outside temperature feelers bumper in °C
26 digital value outside temperature feeler wasserkasten in cnts
27 outside temperature feelers wasserkasten in °C
28 outside temperature for display in °C
29 outside temperature for compressor in °C
30 outside temperature for regulation in °C
31 relation sun li/re or re/li
32 sun sensor left filtered 10 W/m²
33 sun sensor on the right filtered 10 W/m²
34 sun sensor on the left of not filtered 10 W/m²
35 sun sensor on the right of not filtered 10 W/m²
36 digital value desired value sinking as f (sun intensity, outside temperature)
37 blowing out temperature reduction on the left of f (sun intensity li/re) in 0,5 K
38 blowing out temperature reduction on the right of f (sun intensity li/re) in 0,5 K
39 digital value blowing out temperature man left in cnts
40 blowing out temperature man left in °C
41 digital value blowing out temperature man on the right in cnts
42 blowing out temperature man on the right in °C
43 digital value blowing out temperature foot left in cnts
44 blowing out temperature foot left in °C
45 digital value blowing out temperature foot on the right in cnts
46 blowing out temperature foot on the right in °C
47 on-board voltage (clamp 15) in volts
48 counters for cut off processes clamp 87a
49 compressor power-off conditions
50 RCN left delays
51 RCN on the right delays
52 RCN left instantaneously
53 RCN on the right instantaneously
54 debit blowing out temperature left
55 debit blowing out temperature on the right
56 service life
coolant temperature calculated 57 in °C
58 coolant temperature of the combination instrument in °C
59 Pull down bits
60 cold weather starting bit
61 interrupted cold weather starting (bit)
62 Zuheizer power-off conditions
63 digital value sun sensor left not filtered in cnts
64 digital value sun sensor quite not filtered in cnts
65 epsilon inside
66 innentemp_filt
67 tumbling compressor power-off conditions (1xx up-to-date)
68 operating cycle counters
69 epsilon_ausblas_li
70 epsilon_ausblas_re
71 rcn_filterzeit
72 initial value coolant temperature of the combination instrument +40°C
73 high pressure events non volatile
74 i_anteil_li_xuc - 128
75 i_anteil_lre_xuc - 128
76 high pressure events volatilely
77 Idle filtering actively
78 timers for Idle filtering value * 50ms (engine temp 1)
79 filter time for interior filter value * 12sec (engine temp 2)
key number for operatings mode and debit temperature used 80
81 key number after 1.3 seconds after power on
key number corrected 82 (receive 10 times correctly)

Compressor power-off conditions
0 compressor runs
1 high pressure events non volatile > 120
2 high pressure event
3 high pressure events volatilely > 30
4
5 Freonverlust
6
7 voltage of the magnetic clutch < 9,5V
8 118°C
9 bi-directional engine interface
10 voltage of the magnetic clutch < 10,8V
11 engine speed > 6000 rpm
12
13 ECON
14 OFF
15 outside temperature < -2°C
is to 16 engine - U < 200 rpm
17 both external feelers defectively
18 control member diagnosis
19
20 High speed Low load

Zuheizer power-off conditions
0 Zuheizer runs
1 outside temperature > 5°C
2 debit blowing out temperature on the left and on the right < 50°C
3 desired value temperature flap on the left and on the right > 20 cnts
4 debit blowing out temperature on the left and on the right < 42°C
5 Econ or off actively
6 desired value temperature flap on the left and on the right > 60 cnts

error
place signal name error
1 interior feeler 1,2,3,4,7,8,9,10
2 sun sensor left
3 sun sensor on the right
4 external feelers wasserkasten 1,2,3,4,5,6
5 external feelers bumper
6 blowing out feelers man left
7 blowing out feelers man on the right
8 engine temp. Flap left
9 engine Def. flap
10 engine temp. Flap on the right
11 engine foot/man flap
12 engine pilot/circulating air flap
13 potentiometers temp. Flap on the left of 1,2,3,4,12
14 potentiometers Def. flap
15 potentiometers temp. Flap on the right
16 potentiometers foot/man flap
17 potentiometers pilot/circulating air flap
18 ventilation engine
19 switches 2/30 bar of 13,14,15,16
20 blowing out feelers floor space 1,2,3,4
21 compressor voltage 17,18
22 blowers 19,20
23 Tachosignal 11
24 coolant temperature telegram 1,2,3,4

Type: Error:
1 short-circuit after mass
2 short-circuit after mass sporadically
3 interruption/conclusion after pluses
4 interruption/conclusion after pluses sporadically
5 engine blocks or clampingusless
6 engine blocks or clampingusless sporadically
7 interruption/conclusion after mass
8 interruption/conclusion after mass sporadically
9 short-circuit after pluses
10 short-circuit after pluses sporadically
11 signal implausibly sporadically
12 adaptation boundaries exceeded
13 Freonverlust
14 Freonverlust sporadically
15 high pressure
16 high pressure sporadically
17 voltage < 9.5 V
18 voltage < 9.5 V sporadically
19 rule difference static deviation
20 rule difference sporadic deviation
 
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