Car, MERCEDES, SL 230, 230.458 SL 350, Automatic air conditioning (AAC)

Climate control - Automatic air conditioning (AAC) - 0

Identification

MB number for hardware: 23 08 30 01 85

Diagnostic version: 2.5

Hardware number: 04.03

Software number: 07.02

Supplier: VDO

Diagnostic version: 45

VIN no: --

DTC

U2190: Unknown DTC

P0690: Unknown DTC

P0190: Unknown DTC

Controls

Clear DTC

Data stream

N22b1 (In-car temperature sensor): 1 °C

Interior temperature sensor with fan (OCP): 51 °C

Ambient temperature display temperature sensor: 17 °C

Evaporator temperature sensor: 51 °C

Engine coolant temperature sensor: 17 °C

A/C refrigerant pressure sensor: 23 bar

A/C refrigerant temperature sensor: 17 °C

A/C refrigerant compressor: 51 %

Fan capacity request by air conditioning: 17 %

Vehicle speed sensor: 17 km/h

Engine speed: 13107 rpm

Blower motor current consumption: 10 A

A32m1 (Blower motor): short circuit cut-off: No

A32m1 (Blower motor): maximum current limit: No

Blower regulator: 100%: No

Blower regulator control module overload of output: No

Blower regulator: excess temperature: No

Overvoltage: Yes

Output stage: Inactive

Terminal 58d: 119 %

A/C compressor drive request: Off

Feedback of A/C compressor actuation: Off

Full throttle cut-off of A/C compressor: Off

Emergency off circuit of A/C compressor: Off

C-AAC sun sensor (4 in total) total light intensity: 26 %

Right front sun sensor light intensity: 42 %

Left front sun sensor light intensity: 26 %

Right rear sun sensor light intensity: 42 %

Left rear sun sensor light intensity: 26 %

Multifunction sensor CO value: 974

Multifunction sensor NOx value: 771

Humidity sensor: 60 %

Multifunction sensor dewpoint temperature: 20 °C

'Warm air' pushbutton (center vent): Off

'Cold air' pushbutton (center vent): Off

Rotary potentiometer for setting air quantity at center vent: 8 %

Rotary potentiometer for setting air quantity at left side vent: 26 %

Rotary potentiometer for setting air quantity at right side vent: 42 %

Request to heating water circulation pump: Off

Feedback from heating water circulation pump: Off

Request to fan motor of 'interior air' temperature sensor: Off

Feedback from fan motor of 'interior air' temperature sensor: Off

Request to rear window defroster: Off

Feedback from rear window defroster: On

Target right center ventilation air flap motor position: 1456 steps

Right center ventilation air flap motor position: 1456 steps

Stored right center ventilation air flap adjustment motor travel: 2694 steps

Current right center ventilation air flap adjustment motor travel: 2707 steps

Lost communication between AAC pushbutton control module and right center ventilation air flap motor: No

Right center ventilation air flap motor electrical fault: No

Right center ventilation air flap motor mechanical fault: No

Right center ventilation air flap motor excess temperature: No

Right center ventilation air flap motor position motor alignment: Ok

Target left center ventilation air flap motor position: 1578 steps

Left center ventilation air flap actuator motor position: 1578 steps

Stored left center ventilation air flap adjustment motor travel: 2719 steps

Current left center ventilation air flap adjustment motor travel: 2709 steps

Lost communication between AAC pushbutton control module and left center ventilation air flap motor: No

Left center ventilation air flap motor electrical fault: No

Left center ventilation air flap motor mechanical fault: No

Left center ventilation air flap motor excess temperature: No

Left center ventilation air flap motor position motor alignment: Ok

Target diverter flap actuator motor position: 0 steps

Diverter flap actuator motor position: 0 steps

Stored diverter flap adjustment motor travel: 1753 steps

Current diverter flap adjustment motor travel: 1828 steps

Lost communication between AAC pushbutton control module and diverter flap motor: No

Diverter flap actuator electrical fault: No

Diverter flap motor mechanical fault: No

Diverter flap actuator excess temperature: No

Diverter flap actuator position motor alignment: Ok

Target right air mix flap actuator motor position: 2692 steps

Right air mix flap actuator motor position: 2692 steps

Stored right air mix flap adjustment motor travel: 2692 steps

Current right air mix flap adjustment motor travel: 2740 steps

Lost communication between AAC pushbutton control module and right air mix flap motor: No

Right air mix flap motor electrical fault: No

Right air mix flap motor mechanical fault: No

Right air mix flap motor excess temperature: No

Right air mix flap motor position motors aligment: Ok

Target left air mix flap motor position: 2675 steps

Left air mix flap motor position: 2675 steps

Stored left air mix flap adjustment motor travel: 2675 steps

Current left air mix flap adjustment motor travel: 2715 steps

Lost communication between AAC pushbutton control module and left air mix flap motor: No

Left air mix flap motor electrical fault: No

Left air mix flap motor mechanical fault: No

Left air mix flap motor excess temperature: No

Left air mix flap motor position motors alignment: Ok

Target right defroster flap motor position: 1731 steps

Right defroster flap motor position: 1731 steps

Stored right defroster flap adjustment motor travel: 1731 steps

Current right defroster flap adjustment motor travel: 1810 steps

Lost communication between AAC pushbutton control module and right defroster flap motor: No

Right defroster flap actuator electrical fault: No

Right defroster flap motor mechanical fault: No

Right defroster flap actuator excess temperature: No

Right defroster flap actuator position motors alignment: Ok

Target left defroster flap motor position: 1552 steps

Left defroster flap actuator motor position: 1552 steps

Stored left defroster flap adjustment motor travel: 1552 steps

Current left defroster flap adjustment motor travel: 1648 steps

Lost communication between AAC pushbutton control module and left defroster flap motor: No

Left defroster flap actuator electrical fault: No

Left defroster flap motor mechanical fault: No

Left defroster flap actuator excess temperature: No

Left defroster flap actuator position motors aligment: Ok

Target right footwell flap motor position: 1203 steps

Right footwell flap motor position: 1203 steps

Stored right footwell flap adjustment motor travel: 1203 steps

Current right footwell flap adjustment motor travel: 1289 steps

Lost communication between AAC pushbutton control module and right footwell flap motor: No

Right footwell flap motor electrical fault: No

Right footwell flap motor mechanical fault: No

Right footwell flap motor excess temperature: No

Right footwell flap motor position motor alignment: Ok

Target left footwell flap actuator motor position: 1157 steps

Left footwell flap motor position: 1157 steps

Stored left footwell flap adjustment motor travel: 1157 steps

Current left footwell flap adjustment motor travel: 1248 steps

Lost communication between AAC pushbutton control module and left footwell flap motor: No

Left footwell flap actuator electrical fault: No

Left footwell flap motor mechanical fault: No

Left footwell flap actuator excess temperature: No

Left footwell flap actuator position motor alignment: Ok

Set position of right side ventilation air flap actuator motor: 0 steps

Actual position of right side ventilation air flap actuator motor: 0 steps

Stored right side ventilation air flap adjustment motor travel: 1523 steps

Current right side ventilation air flap adjustment motor travel: 1531 steps

Lost communication between AAC pushbutton control module and right side ventilation air flap motor: No

Right side ventilation air flap motor electrical fault: No

Right side ventilation air flap motor mechanical fault: No

Right side ventilation air flap motor excess temperature: No

Right side ventilation air flap motor position motor alignment: Ok

Set position of left side ventilation air flap actuator motor: 0 steps

Actual position of left side ventilation air flap motor: 0 steps

Stored left side ventilation air flap adjustment motor travel: 1479 steps

Current left side ventilation air flap adjustment motor travel: 1532 steps

Lost communication between AAC pushbutton control module and left side ventilation air flap motor: No

Left side ventilation air flap motor electrical fault: No

Left side ventilation air flap motor mechanical fault: No

Left side ventilation air flap motor excess temperature: No

Left side ventilation air flap motor position motor alignment: Ok

Target value of fresh/recirculation air flap motor: 1099 steps

Fresh/recirculation air flap motor: 1099 steps

Stored fresh and recirculated air flaps adjustment motor travel: 1099 steps

Current fresh and recirculated air flaps adjustment motor travel: 1196 steps

Lost communication between AAC pushbutton control module and fresh and recirculated air flaps motor: No

Fresh and recirculation air flaps motor electrical fault: No

Fresh and recirculation air flaps motor mechanical fault: No

Fresh and recirculation air flaps motor excess temperature: No

Fresh and recirculation air flaps motor position motor alignment: Ok

Rest button: Operated

On/Off button: Not operated

AC-OFF (EC) button: Operated

REC button: Not operated

Defroster button: Operated

Pushbutton for rear window defroster: Not operated

Temperature: basic setting: Decrease 4 °C

Blower: basic setting: Decrease 10%

Actuators test

Controls

Left defroster flap motor

Right defroster flap motor

Left footwell flap motor

Right footwell flap motor

Left side ventilation air flap motor

Right side ventilation air flap actuator motor

Fresh and recirculation air flaps motor

Blower motor

Heat exchanger shutoff motor

Engine/AC electric suction fan

A/C compressor relay

Blower of interior temperature sensor

Illumination