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