Car, MERCEDES, S 221, 221.056 S 350, 2009-, Automatic air conditioning (AAC)
Climate control - Automatic air conditioning (AAC) - 0
Identification
MB number for hardware: 2218704292
Diagnostic version: 2.5
Hardware number: 06.48
Software number: 06.30
Supplier: Not defined
Diagnostic version: 02 05
DTC
Event 900B: Terminal 30 has undervoltage or overvoltage
0x90A5 [0]: Unknown DTC
920A: Circulation pump circuit overload
9395: Circulation pump - circuit open or short to battery
Event 974D: No CAN message was received from front SAM control unit with fuse and relay module
Controls
Clear DTC
Data stream
Interior air temperature sensor: 21 °C
Calculated ambient temperature: 18 °C
Left side ventilation temperature sensor: 21 °C
Right side ventilation temperature sensor: 21 °C
Left footwell temperature sensor: 20 °C
Right footwell temperature sensor: 21 °C
Ambient temperature sensor: 3277 °C
Engine speed: 400 rpm
Engine coolant temperature sensor: 60 °C
Request to component additional water pump: Off
Additional water pump: Off
Request to component AC system shutoff valve: Open
Low coolant level: Yes
Reduction of fan power output due to load on vehicle power supply: No
Shutoff of residual heat function due to load on vehicle power supply: Yes
Reduction of rear blower power output due to load on vehicle power supply: No
Reduction of front blower power output due to load on vehicle power supply: Yes
Refrigerant pressure: 6 bar
Evaporator temperature sensor: 19 °C
A/C compressor current consumption: 14 mA
Left duovalve: On
Right duovalve: Off
Water pump rear: On
Rear air conditioning refrigerant shutoff valve: Off
Terminal 30: 13 V
5V supply for rotary potentiometers and pressure sensor: 5 V
Terminal 58: 9 V
LIN bus supply voltage: Off
AC bus supply voltage: On
Left front center air outlet potentiometer: 51 %
Right front center air outlet potentiometer: 90 %
Left side air outlet potentiometer: 59 %
Right side air outlet potentiometer: 76 %
Left rear center air outlet potentiometer: 21 %
Right rear center air outlet potentiometer: 83 %
Compressor is cleared for operation: Yes
Causes of refrigerant compressor shutoff: Compressor locked (coding setting)
Lower left air mix flap motor position: 96 %
Target lower left air mix flap actuator motor position: 98 %
Actual position of lower left air mix flap motor: 1941
Set position of lower left air mix flap actuator motor: 1947
Stored lower left air mix flap adjustment motor travel: 1936
Current lower left air mix flap adjustment motor travel: 1972
Lower right air mix flap motor position: 93 %
Target lower right air mix flap actuator motor position: 97 %
Actual position of lower right air mix flap motor: 1978
Set position of lower right air mix flap actuator motor: 1983
Stored lower right air mix flap adjustment motor travel: 1991
Current lower right air mix flap adjustment motor travel: 2003
Upper left air mix flap actuator motor position: 98 %
Target upper left air mix flap motor position: 77 %
Actual position of upper left air mix flap actuator motor: 1482
Set position of upper left air mix flap actuator motor: 1451
Stored upper left air mix flap adjustment motor travel: 1461
Current upper left air mix flap adjustment motor travel: 1480
Upper right air mix flap actuator motor position: 95 %
Target upper right air mix flap motor position: 100 %
Actual position of upper right air mix flap actuator motor: 1365
Set position of upper right air mix flap actuator motor: 1427
Stored upper right air mix flap adjustment motor travel: 1427
Current upper right air mix flap adjustment motor travel: 1457
Left center ventilation air flap actuator motor position: 9 %
Target left center ventilation air flap motor position: 25 %
Left center ventilation air flap actuator motor position: 24
Target left center ventilation air flap motor position: 5
Stored left center ventilation air flap adjustment motor travel: 2084
Current left center ventilation air flap adjustment motor travel: 2079
Right center ventilation air flap motor position: 51 %
Target right center ventilation air flap motor position: 32 %
Right center ventilation air flap motor position: 15
Target right center ventilation air flap motor position: 21
Stored right center ventilation air flap adjustment motor travel: 2103
Current right center ventilation air flap adjustment motor travel: 2104
Left side outlet flap motor position: 80 %
Target left side outlet flap actuator motor position: 75 %
Actual position of left side outlet flap motor: 1447
Set position of left side outlet flap actuator motor: 1442
Stored left side outlet flap adjustment motor travel: 1799
Current left side outlet flap adjustment motor travel: 1816
Right side outlet flap actuator motor position: 78 %
Target right side outlet flap actuator motor position: 79 %
Actual position of right side outlet flap actuator motor: 1438
Set position of right side outlet flap actuator motor: 1433
Stored right side outlet flap adjustment motor travel: 1823
Current right side outlet flap adjustment motor travel: 1809
Left footwell flap motor position: 43 %
Target left footwell flap actuator motor position: 44 %
Left footwell flap motor position: 516
Target left footwell flap actuator motor position: 511
Stored left footwell flap adjustment motor travel: 1171
Current left footwell flap adjustment motor travel: 1178
Right footwell flap motor position: 46 %
Target right footwell flap motor position: 52 %
Right footwell flap motor position: 584
Target right footwell flap motor position: 590
Stored right footwell flap adjustment motor travel: 1258
Current right footwell flap adjustment motor travel: 1296
Left defroster flap actuator motor position: 74 %
Target left defroster flap motor position: 75 %
Left defroster flap actuator motor position: 1289
Target left defroster flap motor position: 1284
Stored left defroster flap adjustment motor travel: 1719
Current left defroster flap adjustment motor travel: 1732
Right defroster flap motor position: 74 %
Target right defroster flap motor position: 75 %
Right defroster flap motor position: 1270
Target right defroster flap motor position: 1263
Stored right defroster flap adjustment motor travel: 1694
Current right defroster flap adjustment motor travel: 1707
Fresh/recirculation air flap motor: 100 %
Target value of fresh/recirculation air flap motor: 95 %
Actual position of fresh and recirculated air flap motor: 1056
Set position of fresh and recirculated air flap actuator motor: 1067
Stored fresh and recirculated air flaps adjustment motor travel: 1043
Current fresh and recirculated air flaps adjustment motor travel: 1147
Left B-pillar air distribution actuator motor position: 33 %
Target left B-pillar air distribution actuator motor position: 39 %
Actual position of left B-pillar air distribution actuator motor: 1202
Set position of left B-pillar air distribution actuator motor: 1212
Stored left B-pillar air distribution adjustment motor travel: 3537
Current left B-pillar air distribution adjustment motor travel: 3545
Right B-pillar air distribution actuator motor position: 38 %
Target right B-pillar air distribution actuator motor position: 39 %
Actual position of right B-pillar air distribution actuator motor: 1368
Set position of right B-pillar air distribution actuator motor: 1380
Stored right B-pillar air distribution adjustment motor travel: 3535
Current right B-pillar air distribution adjustment motor travel: 3539
Left rear center nozzle open/close actuator motor position: 17 %
Target left rear center nozzle open/close actuator motor position: 45 %
Actual position of left rear center nozzle open/close actuator motor: 10
Set position of left rear center nozzle open/close actuator motor: 47
Stored left rear center nozzle open/close adjustment motor travel: 1327
Current left rear center nozzle open/close adjustment motor travel: 1416
Right rear center nozzle open/close actuator motor position: 22 %
Target right rear center nozzle open/close actuator motor position: 39 %
Actual position of right rear center nozzle open/close actuator motor: 21
Set position of right rear center nozzle open/close actuator motor: 41
Stored right rear center nozzle open/close adjustment motor travel: 1355
Current right rear center nozzle open/close adjustment motor travel: 1505
Blower control voltage: 11 V
Left rear air conditioning heat exchanger temperature sensor: 18 °C
Right rear air conditioning heat exchanger temperature sensor: 14 °C
Rear air conditioning evaporator temperature sensor: 18 °C
Water pump rear: 46600 mA
Sun sensor version number: 2
Left front sun sensor light intensity: 123 %
Right front sun sensor light intensity: 17 %
Left rear sun sensor light intensity: 16 %
Right rear sun sensor light intensity: 5 %
Sun sensor mean value: 19 %
Sun sensor interruption to communication: Yes
Sun sensor fault: No
Multifunction sensor version number: 4
Multifunction sensor CO value: 65 %
Multifunction sensor NOx value: 48 %
Multifunction sensor dewpoint temperature: 15 °C
Humidity sensor: 22 %
Current ambient temperature: 41 °C
Multifunction sensor interruption to communication: No
Multifunctional sensor fault: No
Blower motor version number: 1
Target value of blower regurator for requirement of blower capacity: 9 %
Blower motor current consumption: 5 A
Blower regulator temperature: 5 °C
Blower regulator: on-board vehicle network voltage: 13 V
Blower regulator supply voltage: 4 V
Target value rear blower: 20 %
Engine/AC electric suction fan: 100 %
Heating water circulation pump: On
Blower motor level (Rear): -- %
Rear heating system delivery unit: Off
Left duovalve: Open
Right duovalve: Open
Actuators test
Controls
Left defroster flap motor
Right defroster flap motor
Left footwell flap motor
Right footwell flap motor
Left side outlet flap motor
Right side outlet flap actuator motor
Left center ventilation air flap actuator motor
Right center ventilation air flap actuator motor
Upper and lower left air mix flaps actuator motor
Upper and lower right air mix flaps actuator motor
Fresh and recirculation air flaps motor
Left rear center nozzle open/close actuator motor
Right rear center nozzle open/close actuator motor
Left B-pillar air distribution actuator motor
Right B-pillar air distribution actuator motor
Blower motor
Blower motor (Rear)
Engine/AC electric suction fan
Illumination
A/C compressor relay
Water pump
Closing air recirculation flap (for cleaning)
Configuration
Controls
Edit configuration