Audi A3

since 1997 of release

Repair and car operation



Audi A3
+ Maintenance instruction
+ Current leaving and service
+ Engine
- Systems of cooling, heating
   + System of cooling of the engine
   - Systems of ventilation, heating and air conditioning
      General information and security measures
      Removal and installation of air deflectors
      Removal and installation of a nozzle of the region of feet
      Removal and drive installation lamp heater/replacement
      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
      Conditioner
      Removal and compressor installation
      Conditioner diagnostics on codes on the display of the block of its management
+ the Power supply system and production of the fulfilled gases
+ engine Electric equipment
+ Manual box of gear shifting
+ Automatic transmission and models with a full drive
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Elektroskhema







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

GENERAL INFORMATION

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 up or down press the button “+” or “–” respectively.
· For information call in the chosen channel press the button of a mode of a retsirkulyatsiya of air.
· For an exit from a mode of reading of codes press the AUTO key or switch off ignition.
6 61 channels Are provided. At highlighting of diagnostic information To/in continues to work in the last chosen mode.

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

DIAGNOSTICS ORDER

PERFORMANCE ORDER
1. Include ignition or start the engine.
2. Press a key of a retsirkulyatsiya of air and hold it pressed.
3. Press a key of supply of air up the air distributor, and also hold it pressed.
4. Release both buttons.
5. On the screen of the display channel number (01с – the first, 02с – the second etc.) is highlighted.

Number of the diagnostic channel
Display
1 System refusal – is highlighted a malfunction code (interpretation of codes is presented below)
2 The indication of the sensor of temperature under a ceiling upholstery of salon (G86)
3 The indication of the sensor of temperature around an instrument guard (G56)
4 The indication of the sensor of temperature in an air inlet (G89)
5 Indication of the forward sensor of temperature of external air (G17)
6 Indication of the sensor of temperature of external air
7 The indication of the sensor of temperature of external air (G109) forced in salon
8 Value of temperature around the sensor of position of the electromotor of a drive of an adjusting zaslonka (G92)
9 Value of temperature around an adjusting zaslonka
10 Defined, not changeable size of temperature around an adjusting zaslonka
11 Indication of the sensor of position of the electromotor of the central adjusting zaslonka (G112)
12 Demanded value of provision of the central zaslonka
13 The indication of the sensor of position of the electromotor of a drive of a zaslonka of switching of the direction of supply of air (having blown wind glass/supply of air in foot wells) (G114)
14 Demanded value of provision of a zaslonka of switching of the direction of distribution of air
15 Indication of the sensor of position of the electromotor of a drive of an air zaslonka (G113)
16 Demanded value of provision of an air zaslonka
17 Speed of movement of the car (km/h)
18 The valid supply voltage of the fan of a heater (In)
19 The valid supply voltage of the fan of a heater (In)
20 Supply voltage To/in (In)
21 Number of power failures (without short-term jumps)
22 Cyclically overestimated indication of the sensor switch of pressure of a coolant In (F118)
23 Cycles of the overestimated indications of the sensor switch of pressure of a coolant In (F118)
24 Cycling of sensors switches (without fluctuations)
25 Analog/digital form of indications of the sensor switch of activation of the kickdown mode
26 Analog/digital form of the indication of a control lamp of temperature of cooling liquid
27 The coded value
28 Turns of the engine (mines-1)
29 To/in compressor turns (rpm x 1.28)
30 Software version
31 Display check (all segments should be highlighted)
32 Counter of failures of the sensor of provision of a mixing zaslonka
33 Counter of failures of the sensor of provision of the central zaslonka
34 Counter of failures of the sensor of provision of a zaslonka of switching of the direction of distribution of air
35 Counter of failures of the sensor of provision of an air zaslonka
36 Value cold останова sensor of provision of a mixing zaslonka (G92)
37 Value hot останова sensor of provision of a mixing zaslonka (G92)
38 Value cold останова sensor of provision of the central zaslonka (G112)
39 Value hot останова sensor of provision of the central zaslonka (G112)
40 Value cold останова sensor of provision of a zaslonka of switching of the direction of distribution of air (G114)
41 Value hot останова sensor of provision of a zaslonka of switching of the direction of distribution of air (G114)
42 Value cold останова sensor of provision of a perepuskny zaslonka (G113)
43 Value hot останова sensor of provision of a perepuskny zaslonka (G113)
44 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, °C)
48 Temperature of external air (not filtered, in figures)
49 Counter of refusals of a speedometer/VSS
50 Parking time (in H · m нутах)
51 Temperature of cooling liquid of the engine, °C
52 The graphic channel 1 – address to interpretations of codes of malfunctions below
ATTENTION

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


53 The graphic channel 2 – address to interpretations of codes of malfunctions below
ATTENTION

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


54 Control parameters
55 Temperature of external air in °C or °F depending on a choice of a head of management To/in
56 Indications of the sensor of temperature under a ceiling upholstery, °C (G86)
57 Indications of the sensor of temperature under an instrument guard, °C (G56)
58 Indications of the sensor of temperature in an air inlet, °C (G89)
59 Indications of the forward sensor of temperature of external air, °C (G17)
60 Indications of the sensor of temperature of the fan of a heater, °C (G109)
61 Software version (last)

Interpretation of codes of malfunctions on channels

Diagnostic channel 1

Code of malfunction (DTC)
Possible cause of failure
02.1 Break in a chain of the sensor of temperature under a ceiling upholstery of G86; value by default at failure of the sensor: 128
02.2 Short H · m ykany in a chain of the sensor of temperature under a ceiling upholstery of G86; Ю DTC 02.1
02.3 Unstable violation of contact in a chain of the sensor of temperature under a ceiling upholstery of G86
02.4 Unstable short H · m ykany in a chain of the sensor of temperature under a ceiling upholstery of G86
03.1 Break in a chain of the sensor of temperature under an instrument guard of G56; Ю DTC 02.1
03.2 Short H · m ykany in a chain of the sensor of temperature under an instrument guard of G56; Ю DTC 02.1
03.3 Unstable violation of contact in a chain of the sensor of temperature under an instrument guard of G56
03.4 Unstable short H · m ykany in a chain of the sensor of temperature under an instrument guard of G56
04.1 Break in a chain of the sensor of temperature in G89 air inlet; at failure of the sensor the DTC 04.1 G17 Yu sensor signal is used
04.2 Short H · m ykany in a chain of the sensor of temperature in G89 air inlet; Ю DTC 04.1
04.3 Unstable violation of contact in a chain of the sensor of temperature in G89 air inlet
04.4 Unstable short H · m ykany in a chain of the sensor of temperature in G89 air inlet
05.1 Break in a chain of the sensor of temperature of external G17 air; at failure of the sensor the DTC 04.1 G89 Yu sensor signal is used
05.2 Short H · m ykany in a chain of the sensor of temperature of external G17 air; Ю DTC 05.1
05.3 Unstable violation of contact in a chain of the sensor of temperature of external G17 air; Value by default at failure of both sensors (G89 and G17): 128
05.4 Unstable short H · m ykany in a chain of the sensor of temperature of external G17 air
06.1 Break in a chain of the sensor of temperature of cooling liquid of the engine (In) G110; If the sensor is faulty or is not established, the temperature of cooling liquid is calculated; diagnostics is possible only at temperature above 0°С (32°F)
06.2 Short H · m ykany in a chain of the sensor of temperature of cooling liquid of the engine (In) G110; Ю DTC 06.1
06.3 Unstable violation of contact in a chain of the sensor of temperature of cooling liquid of the engine (In) G110
06.4 Unstable short H · m ykany in a chain of the sensor of temperature of cooling liquid of the engine (In) G110
07.1 Break in a chain of the sensor of temperature of the fan of a heater of G109; the Programmed correct
value = 0
07.2 Short H · m ykany in a chain of the sensor of temperature of the fan of a heater of G109; Ю DTC 07.1
07.3 Unstable violation of contact in a chain of the sensor of temperature of the fan of a heater of G109
07.4 Unstable short H · m ykany in a chain of the sensor of temperature of the fan of a heater of G109
08.1 Break in a chain of the sensor of provision of a mixing zaslonka of G92; Automatic control of functioning of the driving electromotor becomes impossible, manual adjustment is required
08.2 Short H · m ykany in a chain of the sensor of provision of a mixing zaslonka of G92; Ю DTC 08.1
08.3 Unstable violation of contact in a chain of the sensor of provision of a mixing zaslonka of G92
08.4 Unstable short H · m ykany in a chain of the sensor of provision of a mixing zaslonka of G92
08.5 Blocking of the sensor of provision of a mixing zaslonka of G92; the electromotor зациклен, the software aspires to eliminate the blocking reason
08.6 Failure of the sensor of provision of a mixing zaslonka of G92
08.7 Unstable blocking of the sensor of provision of a mixing zaslonka of G92
11.1 Break in a chain of the sensor of provision of the central zaslonka of G112; Automatic control of functioning of the driving electromotor becomes impossible, manual adjustment is required
11.2 Short H · m ykany in a chain of the sensor of provision of the central zaslonka of G112; Ю DTC 11.1
11.3 Unstable violation of contact in a chain of the sensor of provision of the central zaslonka of G112
11.4 Unstable short H · m ykany in a chain of the sensor of provision of the central zaslonka of G112
11.5 Blocking of the sensor of provision of the central zaslonka of G112; the electromotor зациклен, the software aspires to eliminate the blocking reason
11.6 Failure of the sensor of provision of the central zaslonka of G112
11.7 Unstable blocking of the sensor of provision of the central zaslonka of G112
13.1 Break in a chain of the sensor of provision of a zaslonka of switching of the direction of distribution of G114 air; Automatic control of functioning of the driving electromotor becomes impossible, manual adjustment is required
13.2 Short H · m ykany in a chain of the sensor of provision of a zaslonka of switching of the direction of distribution of G114 air; DTC 13.1
13.3 Unstable violation of contact in a chain of the sensor of provision of a zaslonka of switching of the direction of distribution of G114 air
13.4 Unstable short H · m ykany in a chain of the sensor of provision of a zaslonka of switching of the direction of distribution of G114 air
13.5 Blocking of the sensor of provision of a zaslonka of switching of the direction of distribution of G114 air; the electromotor зациклен, the software aspires to eliminate the blocking reason
13.6 Failure of the sensor of provision of a zaslonka of switching of the direction of distribution of G114 air
13.7 Unstable blocking of the sensor of provision of a zaslonka of switching of the direction of distribution of G114 air
15.1 Break in a chain of the sensor of provision of a perepuskny zaslonka of G113; At failure of the sensor the software exposes emergency value
15.2 Short H · m ykany in a chain of the sensor of provision of a perepuskny zaslonka of G113; Ю DTC 15.1
15.3 Unstable violation of contact in a chain of the sensor of provision of a perepuskny zaslonka of G113
15.4 Unstable short H · m ykany in a chain of the sensor of provision of a perepuskny zaslonka of G113
15.5 Blocking of the sensor of provision of a perepuskny zaslonka of G113; the electromotor зациклен, the software aspires to eliminate the blocking reason
15.6 Failure of the sensor of provision of a perpuskny zaslonka of G113
15.7 Unstable blocking of the sensor of provision of a perepuskny zaslonka of G113
17.0 Failure of the sensor of speed of the VSS car
18.1 Constant wrong supply voltage of the fan of fresh air
18.3 Periodically wrong supply voltage of the fan of fresh air
20.1 Constant wrong supply voltage of the To/in compressor; the Compressor turns on only if tension of its food is supported at level not below 10.8В within not less than 25 seconds
20.3 Periodically wrong supply voltage of the To/in compressor; the Compressor turns on only
22.1 Break in a chain of the sensor switch of an elevated pressure of a coolant In F118; the Compressor remains switched off until the sensor switch will open
22.3 Unstable violation of contact in a chain of the sensor switch of an elevated pressure of a coolant In F118
22.5 Break 120Х in a chain of the sensor switch of an elevated pressure of a coolant In F118; chain of a reaktivatsiya of the compressor, VAG 1551 scanner functioning
29.1 Constant soft proskalzyvaniye of a belt
29.2 Constant rigid proskalzyvaniye of a belt
29.3 Periodic soft proskalzyvaniye of a belt
29.4 Periodic rigid proskalzyvaniye of a belt

Graphic diagnostic channel 52

ATTENTION

The situation described below arises at To/in compressor shutdown



KV display segments


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

1 Pro-slipping or blocking, shutdown 120х the sensor – the switch of an elevated pressure of a coolant
2 Turns of the engine fell below 200 ё 500 in H · m нуту
3
4 Turns of the engine exceed value 6000 in H · m нуту
5
6
7 The system functions нормально1)

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


1 To/in it is disconnected manually (the stand-by function is disconnected)
2 Excessively low voltage
3 The sensor switch of activation of the kickdown mode (through TCM, the compressor H · by m ксимум for 12 seconds is disconnected)
4 The sensor switch of a control lamp of temperature of cooling liquid of the engine
5 The sensor switch of the lowered pressure of a coolant In F73
6 The sensor switch of an elevated pressure of a coolant In F118
7 The system functions нормально1)

1) At serviceable functioning of system segments С7, В7 and А7 should burn at the same time

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

1 The mode of economic functioning (ECON) is revealed
2 The switching off 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 air temperature sensor in the fan fixes value less – 3°С (27°F)
7 The system functions нормально1)
The dividing point is visible: the compressor is switched on
The dividing point is not visible: the compressor is switched off


1) At serviceable functioning of system segments С7, В7 and А7 should burn at the same time

Graphic diagnostic channel 53

ATTENTION

The situation described below arises at To/in compressor shutdown



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


1 The fan for the temperature sensor in salon
2 Zaslonka of a choice of a mode of a retsirkulyatsiya is closed (a mode of the closed circulation)
3 The valve of the heat exchanger is closed
4 Two-forked plait of electroconducting
5 The To/in compressor is switched on
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.Goreniye of a segment designates:

1
2 The air zaslonka is open
3 The air zaslonka is closed by d2
4
5 Zaslonka of switching of the direction of distribution is in the provision of supply of air in foot wells
6 Zaslonka of switching of the direction of distribution is in the provision of supply of air on having blown in glasses
7 The system functions нормально1)

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


1
2 The central zaslonka is in the provision of supply of air to dashboard deflectors
3 The central zaslonka is in the provision of supply of air on having blown in glasses and in foot wells
4
5 The mixing zaslonka is in the provision of supply of cold air
6 The mixing zaslonka is in the provision of supply of warm air
7 The system functions нормально1)

1) At serviceable functioning of system segments С7, В7 and А7 should burn at the same time