Horn circuit for Porsche Cayenne I facelift (2007-2010)

13 9 8 TERMINAL 15 CAN HIGH COMFORT CAN LOW COMFORT BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE CAN LOW COMFORT CAN HIGH COMFORT COMPUTER DATA LINES SYSTEM DEEP RANGE HORN HIGH RANGE HORN HOT IN ON OR START FUSE LEFT FUSE BOX (UNDER LEFT SIDE OF DASH) ON BOARD COMPUTER NETWORK CONTROL UNIT ORG/BRN WIRE ORG/GRN WIRE STEERING COLUMN SWITCH MODULE TWO-TONE HORN VIO WIRE