I use it it gives u the following
[SIZE=+1]Code[/SIZE][SIZE=+1]Displayed Value[/SIZE]1System malfunction - displayed as a Diagnostic Trouble Code (DTC) 2Digital value of Interior Temperature Sensor, in Headliner (G 86)3Digital value of Interior Temperature Sensor, in Instrument Panel (G 56)4Digital value of Fresh Air Intake Duct Temperature Sensor (G 89)5Digital value of Outside Air (Ambient) Temperature Sensor (G 17), front6Digital value of Outside Air (Ambient) Temperature Sensor7Digital value of Ambient Temperature Sensor At Fresh Air Blower (G 109)8Digital value of Temperature Regulator Flap Motor Potentiometer (G 92)9Delta value of Temperature Regulator Flap10Non-corrected specified value of Temperature Regulator Flap11Digital value of Central Flap Motor Potentiometer (G 112)12Specified value of Central Flap13Digital value of Footwell/Defroster Flap Motor Potentiometer (G 114)14Specified value of Footwell/Defroster Flap15Digital value of Air Flow Flap Motor Potentiometer (G 113)16Specified value of Air Flow Flap17Vehicle Speed (km/h)18Actual Air Blower voltage (Volts)19Specified Fresh Air Blower voltage (Volts)20A/C Compressor (A/C Clutch) voltage (Volts)21Number of low voltage occurrences, non-transient22Cycle condition of A/C Refrigerant High Pressure Switch (F 118)23Cyclings of the A/C Refrigerant High Pressure Switch (F 118)24Cyclings of the switches, absolute non-fluctuating25Analog/Digital value, Kick-Down Switch26Analog/Digital value, Engine Coolant Temperature (ECT) Warning Light27Engine Speed (RPM)28N/A29A/C Compressor speed in rpm (Equals Engine Speed x 1.28)30Software version31N/A32Potentiometer malfunction counter, Temperature Regulator Flap33Potentiometer malfunction counter, Central Flap34Potentiometer malfunction counter, Footwell/Defroster Flap35Potentiometer malfunction counter, Air Flow Map36Feedback value, cold end-stop, Temperature Regulator Flap Motor Potentiometer (G 92)37Feedback value, hot end-stop, Temperature Regulator Flap Motor Potentiometer (G 92), max. stop38Feedback value, cold end-stop, Central Flap Motor Potentiometer (G 112)39Feedback value, hot end-stop, Central Flap Motor Potentiometer (G 112)40Feedback value, cold end-stop, Footwell/Defroster Flap Motor Potentiometer (G114)41Feedback value, hot end-stop, Footwell/Defroster Flap Motor Potentiometer (G114)42Feedback value, cold end-stop, Air Flow Map Motor Potentiometer (G 113)43Feedback value, hot end-stop, Air Flow Map Motor Potentiometer (G 113)44Vehicle operation cycle counter45Calculated interior temperature (internal software, in digits)46Outside (ambient) temperature, filtered, for regulation (internal software)47Outside (ambient) temperature, unfiltered, (internal software, in deg C)48Outside (ambient) temperature, unfiltered, (in digits)49Malfunction counter for speedometer (vehicle speed) signal50Standing time (in minutes)51Engine Coolant Temperature (ECT) in deg C52Graphics channel 1 - A/C compressor switch-off conditions are identified by illuminated segments of the “88.8” display. 53Graphics channel 2 - Climate system electrical outputs are identified by illuminated segments of the “88.8” display. 54Control characteristics55Outside (ambient) temperature, in deg C or deg F depending on setting on A/C control head56Temperature in deg C, from Interior Temperature Sensor, in Headliner (G 86)57Temperature in deg C, from Interior Temperature Sensor, in Instrument Panel (G 56)58Temperature in deg C, from Fresh Air Intake Duct Temperature Sensor (G 89)59Temperature in deg C, from Outside Air (Ambient) Temperature Sensor (G 17), front60Temperature in deg C, from Ambient Temperature Sensor At Fresh Air Blower (G 109)61Software version (latest)86Display Check (All Segments of Climate Control display light up