Control panel for automatic interior air conditioning (other layout of the control panel is possible)
- Press the button to change the channel number up or down "+" or "–" respectively.
- To call up information in the selected channel, press the air recirculation mode button.
- To exit the code reading mode, press the AUTO button or turn off the ignition.
- 61 channels are provided. When diagnostic information is displayed, the A/C continues to work in the last selected mode.
(The diagnostic codes of the air conditioner read by the scanner from the diagnostic connector are presented below)
Diagnostic procedure
1. Turn on the ignition or start the engine.
2. Press the air recirculation button and keep it pressed.
3. Press the air supply button up on the air distributor and keep it pressed as well.
4. Release both buttons.
5. The channel number appears on the display screen (01s - the first, 02s - the second, etc.).
Number diagnostic channel |
Display
|
1 | System failure - fault code flashes (decoding codes are shown below) |
2 | Indication of the temperature sensor under the ceiling upholstery (G86) |
3 | Indication of the temperature sensor in the area of the instrument panel (G56) |
4 | Temperature sensor reading in the air intake (G89) |
5 | Front ambient temperature sensor reading (G17) |
6 | Outside temperature sensor reading |
7 | Indication of the temperature sensor injected into the interior of the outer air (G109) |
8 | Temperature value in the area of the electric motor position sensor damper actuator (G92) |
9 | Temperature value in the area of the regulating damper |
10 | A defined, unchanging temperature value in an area control damper |
11 | Indication of the position sensor of the electric motor of the central adjustment dampers (G112) |
12 | Desired value of the position of the central damper |
13 | Indication of the position sensor of the electric motor of the damper actuator air direction switching (windshield blower/air supply into the footwells) (G114) |
14 | Desired value of the position of the direction switch flap air distribution |
15 | Indication of the position sensor of the electric motor of the air drive dampers (G113) |
16 | Required air damper position |
17 | Vehicle speed (km/h) |
18 | Actual heater fan supply voltage (IN) |
19 | Actual heater fan supply voltage (IN) |
20 | Supply voltage K/V (IN) |
21 | Number of voltage drops (excluding short-term jumps) |
22 | Cyclically overestimated pressure sensor-switch reading refrigerant K/V (F118) |
23 | Refrigerant Pressure Switch High Cycles K/V (F118) |
24 | Cycling of sensors-switches (without fluctuations) |
25 | Analogue/digital form of activation sensor-switch readings kickdown mode |
26 | Analogue/digital form of indication of the control coolant temperature lamps |
27 | Encoded value |
28 | Engine speed (min–1) |
29 | Turns of the compressor K/V (rpm x 1.28) |
30 | Software version |
31 | Display test (all segments should be highlighted) |
32 | Mixing damper position sensor failure counter |
33 | Central damper position sensor failure counter |
34 | Direction switch flap position sensor failure counter air distribution |
35 | Air damper position sensor failure counter |
36 | Mixing position sensor cold stop value dampers (G92) |
37 | Mixing Position Sensor Hot Stop Value dampers (G92) |
38 | The cold stop value of the position sensor of the central dampers (G112) |
39 | Hot stop value of central damper position sensor (G112) |
40 | Cold stop value of switch flap position sensor air distribution directions (G114) |
41 | Hot stop value of switch flap position sensor air distribution directions (G114) |
42 | Cold stop value of the bypass position sensor dampers (G113) |
43 | Wastegate Position Sensor Hot Stop Value (G113) |
44 | Vehicle cycle counter |
45 | Calculated temperature inside the car (in numbers) |
46 | Calculated outdoor temperature (filtered) |
47 | Outside temperature (unfiltered,°C) |
48 | Outside temperature (unfiltered, in numbers) |
49 | Speedometer/VSS failure counter |
50 | Parking time (in N·m chickpeas) |
51 | Engine coolant temperature,°C |
52 | Graphic Channel 1 - Refer to Trouble Code Descriptions Below
ATTENTION: When channel 52 is selected, the display will first show the following picture: "__ _". Electrical A/C output signals are identified by the illumination of certain signals on the display. |
53 | Graphic Channel 2 - Refer to Trouble Code Descriptions below
ATTENTION: When channel 53 is selected, the display will first show the following picture: "__ _". Electrical A/C output signals are identified by the illumination of certain signals on the display. |
54 | Control parameters |
55 | Outside air temperature in°C or°F depending on the choice of A/C control head |
56 | Temperature sensor readings under the ceiling upholstery,°C (G86) |
57 | Temperature sensor readings under the instrument panel,°С (G56) |
58 | Indications of the temperature sensor in the air intake,°С (G89) |
59 | Readings of the front outdoor temperature sensor, °С (G17) |
60 | Readings of the heater fan temperature sensor,°С (G109) |
61 | Software version (last) |
Deciphering fault codes by channel
Diagnostic channel 1
Fault code (DTC) |
Possible reason for rejection
|
02.1 | Break in the temperature sensor circuit under the ceiling upholstery G86; default value on sensor failure: 128 |
02.2 | Short H ykanie in the temperature sensor circuit under the ceiling upholstery G86; Yu DTC 02.1 |
02.3 | Unstable contact failure in the temperature sensor circuit under headlining G86 |
02.4 | Unstable short H ykanie in the temperature sensor circuit under headlining G86 |
03.1 | Open circuit in the temperature sensor circuit under the instrument panel G56; Yu DTC 02.1 |
03.2 | Short H ykanie in the temperature sensor circuit under the instrument shield G56; Yu DTC 02.1 |
03.3 | Unstable contact failure in the temperature sensor circuit under the dashboard G56 |
03.4 | Unstable short H ykanie in the temperature sensor circuit under the dashboard G56 |
04.1 | Open in the temperature sensor circuit in the air intake G89; if the sensor fails, the signal of the sensor G17 10 DTC 04.1 is used |
04.2 | Short H ykanie in the temperature sensor circuit in the air intake G89; Yu DTC 04.1 |
04.3 | Unstable contact failure in the temperature sensor circuit in the air intake G89 |
04.4 | Unstable short H ykanie in the temperature sensor circuit in the air intake G89 |
05.1 | Open in the circuit of the outdoor temperature sensor G17; at sensor failure, sensor signal G89 10 DTC 04.1 is used |
05.2 | Short H ykaniye in a chain of the sensor of temperature of external air G17; Yu DTC 05.1 |
05.3 | Unstable contact failure in the temperature sensor circuit outdoor air G17; Default value if both sensors fail (G89 and G17): 128 |
05.4 | Unstable short H ykanie in the temperature sensor circuit outdoor air G17 |
06.1 | Open in the engine coolant temperature sensor circuit (K/V) G110; If the sensor is defective or not installed, the coolant temperature liquid calculated; diagnosis is only possible at temperatures above 0°C (32°F) |
06.2 | Short H ykaniye in a chain of the sensor of temperature cooling engine fluid (K/V) G110; Yu DTC 06.1 |
06.3 | Unstable contact failure in the temperature sensor circuit engine coolant (K/V) G110 |
06.4 | Unstable short H ykanie in the temperature sensor circuit engine coolant (K/V) G110 |
07.1 | Open circuit in heater fan temperature sensor circuit G109;
Programmed correct value = 0 |
07.2 | Short H ykanie in the fan temperature sensor circuit heater G109; Yu DTC 07.1 |
07.3 | Unstable contact failure in the temperature sensor circuit heater fan G109 |
07.4 | Unstable short H ykanie in the temperature sensor circuit heater fan G109 |
08.1 | An open in the mixing flap position sensor circuit G92; Automatic control of the operation of the drive motor becomes not possible, manual adjustment required |
08.2 | Short H ykanie in the mixer position sensor circuit shutters G92; Yu DTC 08.1 |
08.3 | Unstable contact violation in the position sensor circuit mixing damper G92 |
08.4 | Unstable short H ykanie in the position sensor circuit mixing damper G92 |
08.5 | Mixing flap position sensor lock G92; electric motor looped, the software seeks to remove the cause of the blockage |
08.6 | Mixing flap position sensor failure G92 |
08.7 | Unstable blocking of the mixing damper position sensor G92 |
11.1 | Open in the circuit of the position sensor of the central damper G112; Automatic control of the operation of the drive motor becomes not possible, manual adjustment required |
11.2 | Short H ykaniye in a chain of the gauge of position of the central gate G112; Yu DTC 11.1 |
11.3 | Unstable contact failure in the central position sensor circuit shutters G112 |
11.4 | Unstable short H ykaka in the circuit of the position sensor of the central shutters G112 |
11.5 | Central flap position sensor lock G112; electric motor looped, the software seeks to remove the cause of the blockage |
11.6 | Failure of the central damper position sensor G112 |
11.7 | Unstable blocking of the central damper position sensor G112 |
13.1 | An open in the direction switch flap position sensor circuit air outlet G114; Automatic control of the operation of the drive the electric motor becomes impossible, manual adjustment is required |
13.2 | Short H ykanie in the switch position sensor circuit air outlet directions G114; DTC 13.1 |
13.3 | Unstable contact violation in the throttle position sensor circuit air outlet direction switch G114 |
13.4 | Unstable short H ykanie in the position sensor circuit flaps for changing the direction of air discharge G114 |
13.5 | Direction Switch Flap Position Sensor Interlock air outlet G114; the electric motor is looped, the software tends to eliminate the cause of blocking |
13.6 | Direction switch flap position sensor failure air outlet G114 |
13.7 | Unstable blocking of the switch position sensor air outlet direction G114 |
15.1 | An open in the circuit of the G113 wastegate position sensor; If the sensor fails, the software sets an alarm value |
15.2 | Short H ykanie in the circuit of the position sensor bypass damper G113; Yu DTC 15.1 |
15.3 | Unstable contact failure in the bypass position sensor circuit shutters G113 |
15.4 | Unstable short H ykanie in the position sensor circuit bypass damper G113 |
15.5 | Blocking the position sensor of the wastegate G113; electric motor looped, the software seeks to remove the cause of the blockage |
15.6 | Failure of the position sensor of the bypass damper G113 |
15.7 | Unstable blockage of the wastegate position sensor G113 |
17.0 | Vehicle speed sensor failure VSS |
18.1 | Constant incorrect supply voltage of the fresh fan air |
18.3 | Intermittently incorrect fan supply voltage fresh air |
20.1 | Constant incorrect supply voltage of the K / V compressor; The compressor only turns on if its supply voltage is maintained at a level not lower than 10.8V for at least 25 seconds |
20.3 | Periodically incorrect supply voltage of the K / V compressor; Compressor only turns on |
22.1 | Break in a chain of the gauge-switch of the increased pressure of a refrigerant A/C F118; The compressor remains off until the sensor-switch open |
22.3 | Unstable contact failure in the sensor-switch circuit high pressure refrigerant A/C F118 |
22.5 | Break 120X in the high pressure sensor-switch circuit coolant K/V F118; compressor reactivation circuit, scanner operation VAG 1551 |
29.1 | Constant soft belt slip |
29.2 | Constant hard belt slip |
29.3 | Intermittent mild belt slip |
29.4 | Periodic hard belt slip |
Graphical diagnostic channel 52
WARNING: The situation described below occurs when the A/C compressor is switched off.
HF display segments
Segment group C. Segment burning means:
1 | Slip or block, disable 120x sensor - refrigerant high pressure switch |
2 | Engine RPM dropped below 200-500 per minute |
3 | – |
4 | Engine RPM exceeds 6000 rpm |
5 | – |
6 | – |
7 | The system is functioning normally1) |
Segment group B. Segment burning means:
1 | A/C disabled manually (stand-by function disabled) |
2 | Excessively low voltage |
3 | Kickdown mode activation switch (via TCM, the compressor is switched off for a maximum of 12 seconds) |
4 | The sensor-switch of a control lamp of temperature cooling engine fluid |
5 | The sensor-switch of the underpressure of coolant К/В F73 |
6 | Sensor-switch of increased pressure of the refrigerant K / V F118 |
7 | System functioning normally1) |
1) With proper functioning of the system, segments C7, B7 and A7 should light up simultaneously
Segment group A. Segment burning means:
1 | Economical operation mode detected (ECON) |
2 | Shutdown detected |
3 | Excessively low outdoor temperature |
4 | Engine management system (compressor stays off within 3 to 12 seconds) |
5 | Pressure remains overpressure for more than 30 seconds |
6 | The air temperature sensor in the fan fixes the value less than - 3°С (27°F) |
7 | System functioning normally1) Dividing dot visible: compressor on Dividing dot not visible: compressor off |
1) With proper functioning of the system, segments C7, B7 and A7 should light up simultaneously
Graphical diagnostic channel 53
WARNING: The situation described below occurs when the A/C compressor is switched off.
Segment group C. Segment burning means:
1 | Fan for cabin temperature sensor |
2 | Recirculation mode selection damper closed (closed mode circulation) |
3 | Heat exchanger valve closed |
4 | Bi-directional wiring harness |
5 | A/C compressor included |
6 | The first high-speed mode of the heater fan is switched on |
7 | The system is functioning normally1) |
Segment group B. Segment burning means:
1 | – |
2 | Air damper open |
3 | Air damper closed d2 |
4 | – |
5 | Dispense direction switch flap is in the position air supply to footwells |
6 | Dispense direction switch flap is in the position windshield air supply |
7 | The system is functioning normally1) |
Segment group A. Segment burning means:
1 | – |
2 | The central damper is in the air supply position to instrument panel deflectors |
3 | The central damper is in the air supply position for glass blowing and foot wells |
4 | – |
5 | The mixing damper is in the cold supply position air |
6 | Mixing damper is in position for hot water air |
7 | System functioning normally1) |
1) If the system is working properly, segments C7, B7 and A7 should be lit at the same time.
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