Car, MERCEDES, E 212, 212.168 E 320 4MATIC Sedan (long wheelbase), 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 °C
Coolant temperature: 79 °C
Engine speed: 2071 rpm
Vehicle speed: 129 km/h
Evaporator temperature sensor: 64 °C
Interior air temperature sensor: 40 °C
Left dual sun sensor light intensity: 75 %
Right dual sun sensor light intensity : 37 %
Control voltage: 38.60 V
Sensors power supply: 12.90 V
Left side air outlet temperature sensor: 39 °C
Left front footwell vent air outlet temperature sensor: 216 °C
Right side air outlet temperature sensor: 207 °C
Right front footwell vent air outlet temperature sensor: 2 °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
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
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 %
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