Lexus CT I (2010-2014) buzzer Wiring diagrams

3 4 5 2 CANL CANH BLK WIRE BLU WIRE BRAKE IND BRAKE SYSTEM) BRN WIRE BUZZER COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CONTROLLED DASH) ECU-B FUSE ECU-IG 2 FUSE ELECTRONICALLY END OF DASH) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES IND IND ABS INSTRUMENT PANEL J/B (BEHIND LEFT INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C MASTER MET FUSE MULTI-INFORMATION DISPLAY ORG/ WIRE PNK WIRE RELAY ENERGIZED SLIP IND STEERING SENSOR (STEERING COLUMN) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

3 6 33 16 37 38 20 7 9 22 32 31 5 18 STPO 6 5 B+ STP BLK WIRE BLU WIRE BRN WIRE BUZZER COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM RL+ RL- RR- RR+ FL- FL+ FR- FR+ CRUISE CONTROL DYNAMIC RADAR CRUISE CONTROL MAIN SWITCH CRUISE IND EAT ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) GRN WIRE IND LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL) LT BLU WIRE LT GRN WIRE MODE MULTI-INFORMATION DISPLAY NCA WIRE ON-OFF +RES -SET ORG/ WIRE OUT PNK WIRE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL) RIGHT REAR SPEED SENSOR (RIGHT REAR WHEEL) RIGHT STEERING PAD SWITCH CONTROL DISTANCE SKID CONTROL ECU ASSEMBLY (BEHIND LEFT SIDE OF DASH) SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STOP LIGHT CONTROL RELAY ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+RES -SET 8 6 GND B+ BLK WIRE BLU WIRE BRN WIRE BUZZER COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH CRUISE IND GRN WIRE LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL) LT BLU WIRE LT GRN WIRE MULTI-INFORMATION DISPLAY NCA WIRE ON OFF ORG/ WIRE OUT PNK WIRE RED WIRE RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL) RIGHT REAR (LEFT FRONT OF SPEED SENSOR ENGINE COMPT) (RIGHT REAR WHEEL) RL+ RL- RR- RR+ FL- FL+ FR- FR+ SKID CONTROL ECU ASSEMBLY (BEHIND LEFT SIDE OF DASH) SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) STOP LIGHT CONTROL RELAY ASSEMBLY STPO STP VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ACTG BK/DR RELAY BLK WIRE BLU WIRE BRN WIRE BUZZER CAN MASTER IND I/F COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM D/L SOURCE RELAY ECU- ECU- IG 1 FUSE FUSE FUSE LEFT END OF DASH) EFII EFIO GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT STOP FUSE END OF DASH) HOT IN HOT AT ON OR ALL TIMES INSTRUMENT PANEL DOOR J/B (BEHIND HOT IN ON OR HOT IN ON OR START ID CODE BOX (BEHIND LEFT SIDE OF DASH) LT BLU WIRE MAIN BODY ECU MET FUSE GAUGE FUSE MULTI-INFORMATION DISPLAY PNK WIRE RED WIRE SECURITY IND TO D/L RELAY (DIAGRAM 3 OF 5) VIO WIRE WHT/BLK WIRE YEL WIRE

39 40 I/F ABS IND. ACIN BEAM IND BLK WIRE BLU WIRE BRAKE IND BRN WIRE BUZZER CHARGE IND CLEARANCE SONAR IND COMPUTER DATA LINES SYSTEM CRUISE IND DISP STEERING PAD SWITCH ASSEMBLY DISPLAY INFORMATION DOOR IND DYNAMIC RADAR CRUISE CONTROL IND ECO MODE IND ECU-B FUSE ELECTRONICALLY CONTROLLED BRAKE SYSTEM IND ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (FOR EXHAUST HEAT REGULATION SYSTEM) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) EV IND EV MODE IND FRONT FOG IND FUEL FUEL IND GRN WIRE GRY WIRE HEADLIGHT BEAM LEVEL CONTROL IND HOT AT ALL TIMES ILL (+) PNK WIRE INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM WARNING SYSTEMS J/C LBL LEFT TURN IND LT BLU WIRE LT GRN WIRE MALFUNCTION IND LAMP MASTER IND MULTI- OIL PRESSURE IND PCS IND PNK STRG WIRE PNK WIRE POWER STEERING IND READY IND RED WIRE RIGHT TURN IND RRSB RCSB RLSB WLVL SEAT BELT IND SKID CONTROL ECU (BEHIND LEFT COMBINATION METER ASSEMBLY SIDE OF DASH) SLIP IND SPEEDOMETER SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) SPORT MODE IND SRS IND SYSTEM INDICATOR TIRE PRESSURE IND TIRE) TRIP SWITCH VIO WIRE WATER TEMPERATURE IND WHT WIRE WHT/BLK WIRE YEL WIRE

ACTG BK/DR RELAY BLK WIRE BLU WIRE BRN WIRE BUZZER CAN MASTER IND I/F COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM D/L SOURCE RELAY ECU- ECU- IG 1 FUSE FUSE FUSE LEFT END OF DASH) EFII EFIO GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT STOP FUSE END OF DASH) HOT IN HOT AT ON OR ALL TIMES INSTRUMENT PANEL DOOR J/B (BEHIND HOT IN ON OR HOT IN ON OR START ID CODE BOX (BEHIND LEFT SIDE OF DASH) LT BLU WIRE MAIN BODY ECU MET FUSE GAUGE FUSE MULTI-INFORMATION DISPLAY PNK WIRE RED WIRE SECURITY IND TO D/L RELAY (DIAGRAM 3 OF 5) VIO WIRE WHT/BLK WIRE YEL WIRE

2 38 37 18 4 PNK WIRE 31 29 32 ALTB BLK WIRE BLU WIRE BRN WIRE BUZZER CLS CLOSE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOOR 1 FUSE DOWN DOWN ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM R/B (LEFT SIDE GRN WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT "B" PILLAR) LT BLU WIRE M- M+ MAIN BODY ECU MAP LIGHT ASSEMBLY MASTER IND MET FUSE OF ENGINE COMPT) OPN OPN DWN CLS UP ORG/ WIRE PNK CANH WIRE PNK LIN IG WIRE PNK WIRE RED WIRE S/ROOF FUSE SLIDING ROOF CONTROL ECU (CENTER OF ROOF) SLIDING ROOF CONTROL SWITCH UP UP VIO WIRE WHT WIRE WHT/BLK WIRE

12 11 LBE- LBE+ 13 12 FSR- FSR+ 13 14 CANL CANH 22 13 CANL CANH 32 31 PNK CANH CANL COMPUTER DATA LINES SYSTEM WIRE 5 9 8 4 PNK WIRE AIR BAG SENSOR ASSEMBLY (UNDER LOWER CENTER CONSOLE) BGND BSW FSR+ FSR- BLK WIRE BLU WIRE BRAKE LEVER) BRN WIRE BUCKLE SWITCH LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) BUZZER COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-B FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT FRONT DOOR COURTESY LIGHT SWITCH LT GRN WIRE MAIN BODY ECU MET FUSE OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) PARKING BRAKE SWITCH (BASE OF PARKING PNK WIRE RED WIRE SEAT BELT IND VIO WIRE WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE BUZZER C/OPN RELAY CANISTER PRESSURE SENSOR COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM EFI EFI MAIN FUSE EFI MAIN RELAY ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LEAK DETECTION PUMP LED (SHIFT POSITION) LT BLU WIRE LT GRN WIRE MALFUNCTION IND LAMP MASTER IND MGND MODE IND MTRB MULTI-INFORMATION DISPLAY PNK WIRE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE SGND SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SPORT VCC VENT VALVE VGND VIO WIRE VLVB VOUT WHT WIRE WHT/BLK WIRE YEL WIRE

AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE BRN WIRE BUZZER CLK STB NODD COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) EV MODE IND FCTL GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START HYBRID SYSTEM INDICATOR I/F IGCT 2 FUSE IGCT 3 FUSE IGCT FUSE ECU-B FUSE IGCT RELAY IND LAMP MALFUNCTION INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) IWP NIWP BL GI LED (SHIFT POSITION) LT BLU WIRE LT GRN WIRE MASTER IND MET FUSE IGN FUSE MMT MMTG GMT GMTG MULTI-INFORMATION DISPLAY ORG/ WIRE PCU FUSE PNK WIRE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE SIO ETI ITE ILK SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SPORT MODE IND STOP FUSE TRANSMISSION CONTROL ECU (BEHIND RIGHT SIDE OF DASH) VIO WIRE VLO WHT WIRE WHT/BLK WIRE YEL WIRE