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Convenience electronicsConvertible roof control systemThe involved electrical componentsTo guarantee flawless roof operation, not only do theCSC convertible roof's electronic components have tocommunicate with and react to each other, butextensive information also has to be exchanged withother control units and electronic components.For example, the convertible roof control unit has totransmit the command "Lower windows" or "Raisewindows" to the door control units. In turn, the doorcontrol units inform the convertible roof control unit ofthe position of the side windows. This is necessary,because the side windows have to be lowered beforethe roof begins to move so that they do not collidewith the moving parts of the convertible roof.The adjacent schematic shows all of the electroniccomponents and control units which communicatewith each other as part of the convertible roofcontrol system.More detailed information on theoperating conditions for roof movementcan be found in this issue as of page 38.LegendE40 Front left window regulator switchE53 Rear left window regulator switch, in driver doorE55 Rear right window regulator switch, in driver doorE81 Front right window regulator switch, in driver doorE107 Window regulator switch in front passenger doorE137 Convertible roof actuation buttonE189 Central switch for window regulators in driver doorE233 Rear lid remote release buttonE319 Fuel tank flap release buttonE325 Sunroof buttonF364 Luggage cover contact switchG555 Hydraulic pump temperature senderG556 Front sender for position of left roof memberG557 Front sender for position of right roof memberG558 Sender for left roof member lockedG559 Sender for right roof member lockedG560Left sender for rear window framelockedG561 Right sender for rear window framelockedG562 Sender for rear window frame openG563 Left sender for rear shelf lockedG564 Right sender for rear shelf lockedG565 Sender for roof stowedG566 Sender for left roof member flap openG567 Sender for right roof member flap openJ104 ABS control unitJ245 Sliding sunroof adjustment control unitJ255 Climatronic control unitJ256 Convertible roof actuation control unitJ285 Control unit with display in dash panel insertJ345 Trailer detector control unitJ386 Driver door control unitJ387 Front passenger door control unitJ388 Rear left door control unitJ389 Rear right door control unitJ393 Convenience system central control unitJ446 Parking aid control unitJ519 Onboard supply control unitJ533 Data bus diagnostic interfaceJ657 Power latching control unitN272 Power operated convertible roof valve 1N341 Power operated convertible roof valve 2N342 Power operated convertible roof valve 3V1 Sliding sunroof motorV26 Rear left window regulator motorV27 Rear right window regulator motorV118 Convertible roof actuation hydraulic pumpV147 Driver side window regulator motorV148 Front passenger side window regulator motorV329 Power latching motorab+cHydraulic unitDriver door control panels14