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A2

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Value measured by the photosensor for sunlight penetration, voltage at terminal “15” and terminal “30”
   
Display zoneMeaningExplanatory Notes
1Value measured by the sunlight penetration photosensor -G107- in watts/m2
l  Depending on the sunlight intensity 0 ... 1000
2Voltage at terminal “15” transmitted by the control unit in the dash panel insert -J285-
t  Display = On
–  Voltage applied to terminal “15” (ignition on)
t  Display = Off
–  No voltage applied to terminal “15” (ignition off)
l  Data is transmitted via the convenience data bus
3Display zone not used. 
4Voltage measured at terminal “30” (in volts)
–  Voltage applied to connector “D”, contact “12” for the operating and display unit for air conditioner/Climatronic -E87-

  Note
t  The value displayed by the sunlight penetration photosensor -G107- can be varied by shining a suitable lamp on the sensor.
t  If approx. 900 watt/m2 is always displayed irrespective of the intensity of light shining on the sunlight penetration photosensor -G107-, use the current flow diagram to check if the wiring to the sunlight penetration photosensor -G107- is interchanged.
t  The value displayed for the sunlight penetration is largely dependent on the time of year and time of day, as well as on the location of the vehicle (in Central Europe with max. sunlight penetration in summertime, the measured value is approx. 300 to 500 watt/m2).
   

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