Audi A3

Since 1997 of release

Repair and car operation



Audi A3
+ The maintenance instruction
+ Current leaving and service
+ The engine
- Systems of cooling, heating
   + System of cooling of the engine
   - Systems of ventilation, heating and air conditioning
      The general information and security measures
      Removal and installation air дефлекторов
      Removal and installation of a nozzle of area of feet
      Removal and installation of a drive of a heater/replacement of a lamp
      Removal and installation of cables of a drive of management of a heater
      Removal and installation of the fan of fresh air
      Removal and installation of the additional resistor
      The conditioner
      Removal and compressor installation
      Conditioner diagnostics on codes on the display of the block of its management
+ The power supply system and release of the fulfilled gases
+ Engine electric equipment
+ Manual box of a gear change
+ Automatic transmission and models with a full drive
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electroschemes





Conditioner diagnostics on codes on the display of the block of its management

THE GENERAL DATA

The control panel the automatic conditioner of air of salon (other configuration of the control panel is possible)

 
For change of number of the channel upwards or downwards press the button “+” or “–” accordingly.
For an information call in the chosen channel press the mode button recycling air.
For an exit from a mode of reading of codes press key AUTO or switch off ignition.
6 61 channel Is provided. At выcandlesивании diagnostic information К/В continues to work in last chosen mode.

(Diagnostic codes of the conditioner of air, read out by the scanner from a diagnostic socket are presented more low)

DIAGNOSTICS ORDER

PERFORMANCE ORDER
1. Include ignition or start the engine.
2. Press a key recycling air and keep its pressed.
3. Press a key of giving of air upwards воздухораспределителя, and also keep its pressed.
4. Release both buttons.
5. On the display screen channel number (01с – the first, 02с – the second etc.) is highlighted.

Number of the diagnostic channel
The display
1 System refusal – is highlighted a malfunction code (decoding of codes is presented more low)
2 The indication of the gauge of temperature under a ceiling upholstery of salon (G86)
3 The indication of the gauge of temperature around an instrument guard (G56)
4 The indication of the gauge of temperature in an air inlet (G89)
5 The indication of the forward gauge of temperature of external air (G17)
6 The indication of the gauge of temperature of external air
7 The indication of the gauge of temperature of external air forced in salon (G109)
8 Value of temperature around the gauge of position of the electromotor of a drive adjusting заслонки (G92)
9 Value of temperature around adjusting заслонки
10 The certain, not changeable size of temperature around adjusting заслонки
11 The indication of the gauge of position of the electromotor central adjusting заслонки (G112)
12 Demanded value of position central заслонки
13 The indication of the gauge of position of the electromotor of a drive заслонки switchings of a direction of giving of air (having blown in wind glass/giving of air in foot wells) (G114)
14 Demanded value of position заслонки switchings of a direction of distribution of air
15 The indication of the gauge of position of the electromotor of a drive air заслонки (G113)
16 Demanded value of position air заслонки
17 Speed of movement of the car (km/h)
18 The valid pressure of a food of the fan of a heater ()
19 The valid pressure of a food of the fan of a heater ()
20 Pressure of food К/В ()
21 Quantity of power failures (without short-term jumps)
22 Cyclically overestimated indication of the gauge-switch of pressure of coolant К/В (F118)
23 Cycles of the overestimated indications of the gauge-switch of pressure of coolant К/В (F118)
24 Cycling of gauges-switches (without fluctuations)
25 The analogue/digital form of indications of the gauge-switch of activation of a mode kickdown
26 The analogue/digital form of the indication of a control lamp of temperature of a cooling liquid
27 The coded value
28 Turns of the engine (mines-1)
29 Compressor K/V turns (rpm х 1.28)
30 The software version
31 Display check (all segments should be highlighted)
32 The counter of refusals of the gauge of position mixing заслонки
33 The counter of refusals of the gauge of position central заслонки
34 The counter of refusals of the gauge of position заслонки switchings of a direction of distribution of air
35 The counter of refusals of the gauge of position air заслонки
36 Value cold останова the gauge of position mixing заслонки (G92)
37 Value hot останова the gauge of position mixing заслонки (G92)
38 Value cold останова the gauge of position central заслонки (G112)
39 Value hot останова the gauge of position central заслонки (G112)
40 Value cold останова the position gauge заслонки switchings of a direction of distribution of air (G114)
41 Value hot останова the position gauge заслонки switchings of a direction of distribution of air (G114)
42 Value cold останова the position gauge перепускной заслонки (G113)
43 Value hot останова the position gauge перепускной заслонки (G113)
44 The counter of cycles of operation of the car
45 The calculated temperature in car salon (in figures)
46 The calculated temperature of external air (filtered)
47 Temperature of external air (not filtered, С)
48 Temperature of external air (not filtered, in figures)
49 The counter of refusals of a speedometer/VSS
50 Parking time (in Hм нутах)
51 Temperature of a cooling liquid of the engine, С
52 The graphic channel 1 – address to decodings of codes of malfunctions more low
ATTENTION

At a choice of the channel 52, on the display the following picture at first is highlighted: “__ _”. Electric target signals К/В are identified on fire of certain signals on the display.


53 The graphic channel 2 – address to decodings of codes of malfunctions more low
ATTENTION

At a choice of the channel 53, on the display the following picture at first is highlighted: “__ _”. Electric target signals К/В are identified on fire of certain signals on the display.


54 Control parametres
55 Temperature of external air in С or F depending on a choice of a head of management К/В
56 Indications of the gauge of temperature under a ceiling upholstery, С (G86)
57 Indications of the gauge of temperature under an instrument guard, С (G56)
58 Indications of the gauge of temperature in an air inlet, С (G89)
59 Indications of the forward gauge of temperature of external air, С (G17)
60 Indications of the gauge of temperature of the fan of a heater, С (G109)
61 The software version (last)

Decoding of codes of malfunctions on channels

The diagnostic channel 1

Malfunction code (DTC)
Possible cause of a failure
02.1 Breakage in a chain of the gauge of temperature under ceiling upholstery G86; value by default at gauge refusal: 128
02.2 Short Hм ыкание in a chain of the gauge of temperature under ceiling upholstery G86; Ю DTC 02.1
02.3 Astable infringement of contact in a chain of the gauge of temperature under ceiling upholstery G86
02.4 Astable short Hм ыкание in a chain of the gauge of temperature under ceiling upholstery G86
03.1 Breakage in a chain of the gauge of temperature under instrument guard G56; Ю DTC 02.1
03.2 Short Hм ыкание in a chain of the gauge of temperature under instrument guard G56; Ю DTC 02.1
03.3 Astable infringement of contact in a chain of the gauge of temperature under instrument guard G56
03.4 Astable short Hм ыкание in a chain of the gauge of temperature under instrument guard G56
04.1 Breakage in a chain of the gauge of temperature in air inlet G89; at gauge refusal the signal of gauge G17 JU DTC 04.1 is used
04.2 Short Hм ыкание in a chain of the gauge of temperature in air inlet G89; Ю DTC 04.1
04.3 Astable infringement of contact in a chain of the gauge of temperature in air inlet G89
04.4 Astable short Hм ыкание in a chain of the gauge of temperature in air inlet G89
05.1 Breakage in a chain of the gauge of temperature of external air G17; at gauge refusal the signal of gauge G89 JU DTC 04.1 is used
05.2 Short Hм ыкание in a chain of the gauge of temperature of external air G17; Ю DTC 05.1
05.3 Astable infringement of contact in a chain of the gauge of temperature of external air G17; Value by default at refusal of both gauges (G89 and G17): 128
05.4 Astable short Hм ыкание in a chain of the gauge of temperature of external air G17
06.1 Breakage in a chain of the gauge of temperature of a cooling liquid of the engine (К/В) G110; If the gauge is faulty or is not established, the temperature of a cooling liquid is calculated; diagnostics is possible only at temperature above 0С (32F)
06.2 Short Hм ыкание in a chain of the gauge of temperature of a cooling liquid of the engine (К/В) G110; Ю DTC 06.1
06.3 Astable infringement of contact in a chain of the gauge of temperature of a cooling liquid of the engine (К/В) G110
06.4 Astable short Hм ыкание in a chain of the gauge of temperature of a cooling liquid of the engine (К/В) G110
07.1 Breakage in a chain of the gauge of temperature of the fan of heater G109; the Programmed correct
Value = 0
07.2 Short Hм ыкание in a chain of the gauge of temperature of the fan of heater G109; Ю DTC 07.1
07.3 Astable infringement of contact in a chain of the gauge of temperature of the fan of heater G109
07.4 Astable short Hм ыкание in a chain of the gauge of temperature of the fan of heater G109
08.1 Breakage in a chain of the gauge of position mixing заслонки G92; Automatic control of functioning drive the electromotor becomes impossible, manual adjustment is required
08.2 Short Hм ыкание in a chain of the gauge of position mixing заслонки G92; Ю DTC 08.1
08.3 Astable infringement of contact in a chain of the gauge of position mixing заслонки G92
08.4 Astable short Hм ыкание in a chain of the gauge of position mixing заслонки G92
08.5 Blocking of the gauge of position mixing заслонки G92; the electromotor зациклен, the software aspires to eliminate the blocking reason
08.6 Refusal of the gauge of position mixing заслонки G92
08.7 Astable blocking of the gauge of position mixing заслонки G92
11.1 Breakage in a chain of the gauge of position central заслонки G112; Automatic control of functioning drive the electromotor becomes impossible, manual adjustment is required
11.2 Short Hм ыкание in a chain of the gauge of position central заслонки G112; Ю DTC 11.1
11.3 Astable infringement of contact in a chain of the gauge of position central заслонки G112
11.4 Astable short Hм ыкание in a chain of the gauge of position central заслонки G112
11.5 Blocking of the gauge of position central заслонки G112; the electromotor зациклен, the software aspires to eliminate the blocking reason
11.6 Refusal of the gauge of position central заслонки G112
11.7 Astable blocking of the gauge of position central заслонки G112
13.1 Breakage in a chain of the gauge of position заслонки switchings of a direction of distribution of air G114; Automatic control of functioning drive the electromotor becomes impossible, manual adjustment is required
13.2 Short Hм ыкание in a chain of the gauge of position заслонки switchings of a direction of distribution of air G114; DTC 13.1
13.3 Astable infringement of contact in a chain of the gauge of position заслонки switchings of a direction of distribution of air G114
13.4 Astable short Hм ыкание in a chain of the gauge of position заслонки switchings of a direction of distribution of air G114
13.5 Blocking of the gauge of position заслонки switchings of a direction of distribution of air G114; the electromotor зациклен, the software aspires to eliminate the blocking reason
13.6 Refusal of the gauge of position заслонки switchings of a direction of distribution of air G114
13.7 Astable blocking of the gauge of position заслонки switchings of a direction of distribution of air G114
15.1 Breakage in a chain of the gauge of position перепускной заслонки G113; At gauge refusal прогграммное maintenance exposes emergency value
15.2 Short Hм ыкание in a chain of the gauge of position перепускной заслонки G113; Ю DTC 15.1
15.3 Astable infringement of contact in a chain of the gauge of position перепускной заслонки G113
15.4 Astable short Hм ыкание in a chain of the gauge of position перепускной заслонки G113
15.5 Blocking of the gauge of position перепускной заслонки G113; the electromotor зациклен, the software aspires to eliminate the blocking reason
15.6 Refusal of the gauge of position перпускной заслонки G113
15.7 Astable blocking of the gauge of position перепускной заслонки G113
17.0 Refusal of the gauge of speed of car VSS
18.1 Constant wrong pressure of a food of the fan of fresh air
18.3 Periodically wrong pressure of a food of the fan of fresh air
20.1 Constant wrong pressure of a food of compressor K/V; the Compressor joins only if pressure of its food is supported at level not more low 10.8В within not less than 25 seconds
20.3 Periodically wrong pressure of a food of compressor K/V; the Compressor joins only
22.1 Breakage in a chain of the gauge-switch of an elevated pressure of coolant К/В F118; the Compressor remains switched off until the gauge-switch will open
22.3 Astable infringement of contact in a chain of the gauge-switch of an elevated pressure of coolant К/В F118
22.5 Breakage 120Х in a chain of the gauge-switch of an elevated pressure of coolant К/В F118; a chain реактивации the compressor, functioning of scanner VAG 1551
29.1 Constant soft проскальзывание a belt
29.2 Constant rigid проскальзывание a belt
29.3 Periodic soft проскальзывание a belt
29.4 Periodic rigid проскальзывание a belt

The graphic diagnostic channel 52

ATTENTION

The situation described more low arises at compressor K/V switching-off



Display KV segments


The group of segments of S.Gorenie of a segment designates:

1 Proslipping or blocking, switching-off 120х the gauge - of the switch of an elevated pressure of a coolant
2 Engine turns have fallen more low 200 ё 500 in Hм нуту
3
4 Engine turns exceed value 6000 in Hм нуту
5
6
7 The system functions нормально1)

The group of segments of V.Gorenie of a segment designates:


1 К/В it is disconnected manually (function stand–by is disconnected)
2 The low voltage is excessive
3 The gauge-switch of activation of a mode kickdown (through TCM, the compressor is disconnected Hм ксимум for 12 seconds)
4 The gauge-switch of a control lamp of temperature of a cooling liquid of the engine
5 The gauge-switch of the lowered pressure of coolant К/В F73
6 The gauge-switch of an elevated pressure of coolant К/В F118
7 The system functions нормально1)

1) At serviceable functioning of system segments С7, В7 and А7 should burn simultaneously

The group of segments of A.Gorenie of a segment designates:

1 The mode of economic functioning (ECON) is revealed
2 The deenergizing fact is elicited
3 Excessively low temperature of external air
4 Control system of the engine (the compressor remains switched off during 3 ё 12 seconds)
5 Pressure remains exceeded during more than 30 seconds
6 The gauge of temperature of air in the fan fixes value less – 3С (27F)
7 The system functions нормально1)
The dividing point is visible: the compressor is included
The dividing point is not visible: the compressor is switched off


1) At serviceable functioning of system segments С7, В7 and А7 should burn simultaneously

The graphic diagnostic channel 53

ATTENTION

The situation described more low arises at compressor K/V switching-off



The group of segments of S.Gorenie of a segment designates:


1 The fan for the temperature gauge in salon
2 Заслонка a mode choice recycling it is closed (a mode of the closed circulation)
3 The heat exchanger valve is closed
4 Two-forked plait of electroconducting
5 Compressor K/V is included
6 The first high-speed mode of the fan of a heater is included
7 The system functions нормально1)

The group of segments of V.Gorenie of a segment designates:

1
2 Air заслонка it is opened
3 Air заслонка it is closed d2
4
5 Заслонка switchings of a direction of distribution is in position of giving of air in foot wells
6 Заслонка switchings of a direction of distribution is in position of giving of air on having blown in glasses
7 The system functions нормально1)

The group of segments of A.Gorenie of a segment designates:


1
2 Central заслонка is in position of giving of air to дефлекторам panels of devices
3 Central заслонка is in position of giving of air on having blown in glasses and in foot wells
4
5 Mixing заслонка is in position of giving of cold air
6 Mixing заслонка is in position of giving of warm air
7 The system functions нормально1)

1) At serviceable functioning of system segments С7, В7 and А7 should burn simultaneously
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