Car, MERCEDES, E 212, 212.027 E 300 BlueTEC Sedan , E 300 d Sedan, Automatic air conditioning (AAC)
Climate control - Automatic air conditioning (AAC) - 0
Identification
Diagnostic version: 00 01 20
Boot software number: 8.30.0
Hardware version: 9.7.0
Software version: 9.37.3
Software version 1: --
Software version 2: --
Supplier: Hella
Hardware part number: 2128301285
Software part number (customer): 2129022504
Software part number (code): --
Software part number (data): --
Serial number: --
DTC
U11A888: Unknown DTC
Controls
Clear DTC
Data stream
Refrigerant pressure: 40.20 bar
A/C power consumption: 6.18 A
Outside air temperature: 35.40 °C
Outside temperature: 181.4 °C
Coolant temperature: 78.6 °C
Engine speed: 2071 rpm
Vehicle speed: 129.0 km/h
Battery voltage: 12.00 V
Evaporator temperature sensor: 64.3 °C
Interior temperature sensor: 40.2 °C
Interior temperature sensor with integrated fan: 0.0 °C
Left dual sun sensor light intensity: 75 %
Right dual sun sensor light intensity: 37 %
Blower regulator: 38.60 V
Sensors power supply: 12.90 V
Left side air outlet temperature sensor: 39.1 °C
Left front footwell vent air outlet temperature sensor: 216.1 °C
Right side air outlet temperature sensor: 207.1 °C
Right front footwell vent air outlet temperature sensor: 2.5 °C
Right rear passenger compartment footwell vent air outlet temperature sensor: 207.0 °C
'A/C' button has not been pressed: No
Outside temperature too low (< -10 ºC): No
Torque reduction of refrigerant compressor by control unit 'Combustion engine': No
Limitation of refrigerant compressor output due to high coolant temperature: No
Combustion engine and air conditioning with integrated control fan motor: No
Upper limit value defined for engine speed was exceeded during breaking-in for refrigerant compressor or break-in rocess was faulty: No
Blower motor or Blower regulator is defective: No
Blower output is too low: No
Refrigerant pressure is too high: No
Shutoff of refrigerant compressor by engine control unit: No
Break-in of refrigerant compressor was not performed: No
Circuit 15 OFF or starter ACTUATED: No
Refrigerant compressor is defective: No
Internal combustion engine's idle speed is unstable: No
Internal combustion engine's idle speed is too low: No
Refrigerant pressure is too low: No
Shutoff of refrigerant compressor via diagnosis function: No
Refrigerant circuit underfill: No
Coding 'Operation of refrigerant compressor is disabled' is set to 'YES': No
Breaking-in of refrigerant compressor was not successful: No
Evaporator temperature sensor is defective: No
Evaporator temperature is too low (risk of evaporator icing up): No
Fault on magnetic clutch: No
Evaporator temperature specified value: No
Evaporator drying: No
High-voltage battery cooling system shutoff valve and evaporator shutoff valve are closed: No
Waiting time after opening of valves: Yes
PTC heater booster power consumption: -- A
PTC heater booster: -- V
Heater element 1: --
Heater element 2: --
Heater element 3: --
Heater element 4: --
Heating element 5: --
Left blend air flap actuator motor
Current flap adjustment range: 2081
Stored flap adjustment range: 2328
Position of actuator motor specified by control unit: 5 %
Current position of actuator motor: 61 %
Specified position of actuator motor: -3560 %
Actual position of actuator motor: 27250 %
Right blend air flap actuator motor
Current flap adjustment range: 2071
Stored flap adjustment range: 1090
Position of actuator motor specified by control unit: 35 %
Current position of actuator motor: 11 %
Specified position of actuator motor: -3465 %
Actual position of actuator motor: -911 %
Defroster flap actuator motor
Current flap adjustment range: 664
Stored flap adjustment range: 1907
Position of actuator motor specified by control unit: 65 %
Current position of actuator motor: 29 %
Specified position of actuator motor: 41239 %
Actual position of actuator motor: 31250 %
Air distribution flap actuator motor
Current flap adjustment range: 34855
Stored flap adjustment range: 280
Position of actuator motor specified by control unit: 14 %
Current position of actuator motor: 19 %
Specified position of actuator motor: 27250 %
Actual position of actuator motor: 39161 %
Fresh air/recirculated air flap actuator motor
Current flap adjustment range: 2328
Stored flap adjustment range: 3207
Position of actuator motor specified by control unit: 11 %
Current position of actuator motor: 15 %
Specified position of actuator motor: 29192 %
Actual position of actuator motor: 37907 %
Actuators test
Controls
A/C refrigerant compressor
Combustion engine and air conditioning with integrated control fan motor
Blower motor
Fresh air/recirculated air flap actuator motor
Left blend air flap actuator motor
Right blend air flap actuator motor
Defroster flap actuator motor position
Air distribution flap actuator motor