Porsche Cayenne I (2002-2007) Horn circuit

BRN WIRE CAN HIGH COMFORT CAN LOW COMFORT HORN GND HORN COMPUTER DATA LINES SYSTEM DEEP RANGE HORN HIGH RANGE HORN ON-BOARD COMPUTER NETWORK CONTROL UNIT (UNDER LEFT SIDE OF DASH) ORG/BRN WIRE ORG/GRN WIRE STEERING COLUMN SWITCH MODULE TWO-TONE HORN CAN LOW COMFORT CAN HIGH COMFORT VIO WIRE