Car, MERCEDES, M 163, 163.154 ML 320, Automatic air conditioning (AAC)

Climate control - Automatic air conditioning (AAC) - 0

Identification

Production date: 02 09 26

Hardware number: 22.02

Software number: 22.02

Diagnostic version: 129.0

MB number for hardware: 16 38 20 42 89

Supplier: Hella

Identifier: 81 00

DTC

B1001: Electronic control unit (ECU) - defective

B1206: Rear shutoff flap positioning motor

B1304: Fault in CAN communication with all-activity module (AAM)

B1305: Fault in CAN communication with extended activity module (EAM)

Controls

Clear DTC

Data stream

In-car temperature sensor: 5.5 °C

Rear blower: 11.6 V

Evaporator temperature sensor: 20.8 °C

Refrigerant pressure and temperature sensor: 14.5 bar

Refrigerant pressure and temperature sensor: 30.0 °C

Rear outlet air temperature sensor: 33.5 °C

Front footwell outlet air temperature sensor: 66.0 °C

Center vent outlet air temperature sensor: 17.5 °C

Sun sensor: 84.0 %

Power supply: 20.6 V

A/C compressor: 48.0 %

Blower motor: 76.0 %

Blower motor: Reached

Blower motor level (Rear): 98.0 %

Stationary heater: Off

Heater booster: Off

Heating water circulation pump: Off

Rear window defroster switch: Off

Center vent flap position: 30227

Set position of center vent flap actuator motor: 22020

Stored center outlet flap adjustment motor travel: 25703

Current center outlet flap adjustment motor travel: 69

Left air mix flap position: 22272

Set position of left air mix flap actuator motor: 17412

Stored left air mix flap adjustment motor travel: 17970

Current left air mix flap adjustment motor travel: 102

Defroster flap actuator motor position: 30792

Set position of defroster flap actuator motor: 17668

Stored defroster flap adjustment motor travel: 33287

Current defroster flap adjustment motor travel: 8

Footwell flap position: 21766

Set position of footwell flap actuator motor: 30260

Stored footwell flap adjustment motor travel: 29704

Current footwell flap adjustment motor travel: 0

Fresh air and recirculated air flap position: 22272

Set position of fresh and recirculated air flap actuator motor: 22131

Stored fresh and recirculated air flaps adjustment motor travel: 25348

Current fresh and recirculated air flaps adjustment motor travel: 3

Rear shutoff flap actuator motor position: 29765

Set position of rear shutoff flap actuator motor: 25862

Stored rear shutoff flap adjustment motor travel: 22391

Current rear shutoff flap adjustment motor travel: 7

Rear air distribution flap position: 14083

Set position of rear air distribution flap motor: 12804

Stored rear air distribution flap adjustment motor travel: 30724

Current rear air distribution flap adjustment motor travel: 134

Blower regulator: short circuit cutoff: Inactive

Blower regulator: maximum current limit: Inactive

Blower regulator: 100%: Inactive

Blower regulator: overload - shutoff: Inactive

Blower regulator temperature: Ok

Blower regulator: supply voltage (under- or overvoltage): Inactive

Blower regulator: output stage: Inactive

Blower regulator: 26 A

Blower regulator: 150.0 °C

Heating systems recirculated air unit: 13 V

Actuators test

Controls

Defroster flap

Footwell flap

Center outlet flap

Fresh air/recirculation air flow flap

Rear shutoff flap

Rear air distribution flap

Blower motor

Blower motor (Rear)

Illumination

Heating water circulation pump

A/C compressor

Rear window defroster test

Utility

Controls

Normalizing of positioning motors

Check of adjustment range of positioning motors

Configuration

Controls

Edit configuration