Lexus CT I (2010-2014) horns system Wiring diagrams

+ECU 13 22 CANH CANL 14 6 CANL CANH 16 17 PNK WIRE 22 21 CANL CANH 7 1 CANL CANH 9 10 CANH CANL AIR BAG SENSOR ASSEMBLY (UNDER LOWER BECU ALTB IG BLK WIRE BLU WIRE BRN WIRE CENTER CONSOLE) 8 9 5 6 11 12 2 3 CERTIFICATION ECU (BEHIND RIGHT DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DISPLAY, NAVIGATION MODULE DISPLAY DOOR 1 FUSE DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS LSFR BCTY CLTB CLTS CLTE ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) FFOG HEADLIGHTS SYSTEM HEAD TAIL FRCY LSWL TR+ ACTG ACT- ACT+ ACTD FSPT FUSE GRN WIRE GRY WIRE HCTY BZR DIM IND GSW HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ECU-B FUSE HOT W/ ACC RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT FRONT POWER WINDOW REGULATOR MOTOR (DRIVER'S DOOR) LEFT REAR POWER WINDOW REGULATOR MOTOR (LEFT REAR DOOR) LIN LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT END OF DASH) MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY PKB FFGO TRLY HRLY PNK HU RCTY LSFL HF INTERIOR LIGHTS SYSTEM WIRE PNK LIN WIRE PNK PNK WIRE PNK WIRE POWER STEERING ECU (BEHIND LEFT SIDE OF DASH) PWS HAZ INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM RED WIRE RELAY ENERGIZED RIGHT FRONT POWER WINDOW REGULATOR MOTOR (FRONT PASSENGER'S DOOR) RIGHT REAR POWER WINDOW REGULATOR MOTOR (RIGHT REAR DOOR) SIDE OF DASH) SKID CONTROL ECU ASSEMBLY (BEHIND LEFT SIDE OF DASH) SLF+ CANL CANH DRL SLIDING ROOF CONTROL ECU (CENTER OF ROOF) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE W/ NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

22 23 15 16 PCON PPOS 22 28 PCON PPOS 6 5 23 MREL BATT HRNH HRNL HLPR HLPL BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DOOR 2 FUSE ECU-B FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE HEADLIGHTS SYSTEM HNSW HORNS SYSTEM HOT AT ALL TIMES IGCT 2 FUSE IGCT FUSE IGCT RELAY IMI IMO INDS INDW INTEGRATION RELAY LT BLU WIRE LT GRN WIRE ORG/ WIRE P/I 2 FUSE PNK WIRE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE SHIFT LEVER POSITION SENSOR (BEHIND CENTER OF DASH) SHIFT LEVER POSITION SENSOR 2 (UNDER CENTER CONSOLE) TRANSMISSION CONTROL ECU TRANSMISSION SHIFT MAIN SWITCH (LEFT SIDE OF CENTER CONSOLE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

22 23 15 16 PCON PPOS 22 28 PCON PPOS 6 5 23 MREL BATT HRNH HRNL HLPR HLPL BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DOOR 2 FUSE ECU-B FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE HEADLIGHTS SYSTEM HNSW HORNS SYSTEM HOT AT ALL TIMES IGCT 2 FUSE IGCT FUSE IGCT RELAY IMI IMO INDS INDW INTEGRATION RELAY LT BLU WIRE LT GRN WIRE ORG/ WIRE P/I 2 FUSE PNK WIRE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE SHIFT LEVER POSITION SENSOR (BEHIND CENTER OF DASH) SHIFT LEVER POSITION SENSOR 2 (UNDER CENTER CONSOLE) TRANSMISSION CONTROL ECU TRANSMISSION SHIFT MAIN SWITCH (LEFT SIDE OF CENTER CONSOLE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE