Car, MERCEDES, S 221, 221.184 S 450 4MATIC L, 2009-, Automatic air conditioning (AAC)

MB number for hardware: 2218704292

Diagnostic version: 2.5

Hardware number: 06.48

Software number: 06.30

Supplier: Not defined

Diagnostic version: 02 05

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

Clear DTC

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

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)

Edit configuration