Lexus LS IV (2006-2012) buzzer Wiring diagrams

ABS MAIN 2 FUSE ABS MTR 2 FUSE BLK WIRE BLU WIRE BRAKE HOLD IND BRN WIRE BUZZER COMBINATION METER COMPUTER DATA LINES SYSTEM ECU-IG FUSE ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 3 ABS MTR 2 RELAY FLA- FLA+ FL+ FL- PNK WIRE FLR+ FLR- GRN WIRE GRY WIRE HOLD IND HOT AT ALL TIMES HOT IN ON OR START I/F I/F LEFT FRONT SPEED SENSOR LT GRN WIRE MASTER IND MICRO COMPUTER ORG/ WIRE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PFL PNK WIRE POWER SUPPLY PRR- RED WIRE RIGHT REAR SPEED SENSOR RR+ RR- CANH CANL RRA- RRA+ RRR+ RRR- PNK WIRE SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

5 4 3 2 1 VCSK SKG SKS ABS MAIN 3 FUSE ABS MTR 1 FUSE ABS MTR RELAY ABS- MAIN 1 FUSE BLK WIRE BLU WIRE BRAKE BOOSTER PUMP ASSEMBLY BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER GND CYLINDER RESERVOIR) BRAKE PEDAL STROKE SENSOR ASSEMBLY BRAKE STROKE SIMULATOR (LEFT REAR OF ENGINE COMPT) BRN WIRE BUZZER BZ SS RLA- RLA+ FRA- FRA+ FR+ FR- DRIVER SIDE J/B (LEFT END OF DASH) ENA COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (RIGHT SIDE OF ENGINE COMPT) FRR+ FRR- FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START DRIVER SIDE J/B (LEFT END OF DASH) LBL LBL PFR LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (LEFT "B" PILLAR) LEFT REAR SPEED SENSOR LT GRN WIRE MTT ORG/ WIRE PNK CTY WIRE PNK RLR+ RLR- WIRE PNK WIRE PRL VBZ RED WIRE RIGHT FRONT SPEED SENSOR RL- RL+ SHORT CONNECTOR SKG SKID CONTROL BUZZER ASSEMBLY (LEFT END OF DASH) SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) VCM VCSK VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

14 13 CANH CANL 15 14 20 6 9 10 CANH CANL THB VC IB 18 17 ALT RLO ALT FUSE BACK LIGHT IND BATTERY BATTERY CURRENT SENSOR (RIGHT REAR OF ENGINE COMPT) BLK WIRE BLU WIRE BLU/RED WIRE BODY EARTH BRN WIRE BUZZER CAN CONTROLLER CAN I/F CHARGE COMBINATION METER COMPUTER DATA LINES SYSTEM ELECTRIC POWER CONTROL ECU (RIGHT END OF DASH) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FRONT CONTROLLER (RIGHT FRONT OF ENGINE COMPT) FUSE GENERATOR ALTL CANN CANP GRN WIRE INDICATOR LED DRIVER MASTER MPX-B P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RED WIRE RELAY ENERGIZED RLO SIGNAL EARTH STARTER TFT CPU TFT MODULE TFT PANEL THB WHT WIRE

BLK WIRE BLU WIRE BRN WIRE BUZZER CAN CONTROLLER CAN I/F CANN CANP COMBINATION METER COMFORT IND COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) ERL ERR FRONT HEIGHT CONTROL VALVE (RIGHT FRONT OF ENGINE COMPT) GRN WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HEIGHT CONTROL EXHAUST VALVE (RIGHT FRONT OF VEHICLE, BEHIND BUMPER) HEIGHT HIGH IND HOT IN ON OR START LED DRIVER LEFT FRONT HEIGHT CONTROL SENSOR (LEFT FRONT WHEELWELL) LEFT REAR SUSPENSION CONTROL ACTUATOR (LEFT REAR WHEELWELL) LH - LT GRN WIRE MASTER IND ORG/ WIRE P-J/B FUSE PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE RAL+ RAR+ RBL- RBR- RED WIRE RH- RIGHT FRONT HEIGHT CONTROL SENSOR (RIGHT FRONT WHEELWELL) RIGHT REAR SUSPENSION CONTROL ACTUATOR (RIGHT REAR WHEELWELL) SHB SHFL SHFR SHG SPORT IND VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 LOIL GND 1 5 11 20 10 PNK BATB ALTB MOPS MOLE MOL WIRE 5 1 2 3 4 FMIG 7 8 RR+ RR- 8 9 COMPUTER DATA LINES SYSTEM CANL CANH ABS IND. AFS OFF IND AUTO HOLD IND AUTO IND BACK LIGHT BLK WIRE BLK/ WHT WIRE BLU WIRE BODY EARTH BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR BRAKE IND BRN WIRE BUZZER CAN I/F CHARGE IND CLOCK (RIGHT REAR WHEELWELL) RIGHT REAR HEIGHT CONTROL SENSOR COMBINATION METER COMFORT IND COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CANP CANN CONTROLLER CRUISE IND DIAL IND I/F DOME FUSE DOOR IND DRIVER SIDE J/B (LEFT END OF DASH) DRIVER'S SEAT IND ECB IND (IF EQUIPPED) ECO IND ECO MODE IND ECT PWR IND ECT SNOW IND ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS SYSTEM ENGINE OIL LEVEL SENSOR (LOWER RIGHT SIDE OF ENGINE) EPS IND EXTERIOR LIGHTS SYSTEM NAVIGATION SYSTEM FR CTRL ALT FUSE FR CTRL BAT FUSE FRONT FOG IND FUEL GAUGE FUEL IND FUSE GAUGE IND GRN WIRE HEAD IND TAIL IND (USA) (EXCEPT USA) HEIGHT HIGH IND HIGH BEAM IND HOLD IND HOT AT ALL TIMES HOT AT ALL TIMES DRIVER SIDE J/B (LEFT END MPX-B 2 FUSE OF DASH) HOT IN ON OR ACC HOT IN ON OR START ILL ILL INDICATOR LAMP MALFUNCTION INJ FUSE J/B 4 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) LBL LED DRIVER LEFT TURN IND LKA IND LT BLU WIRE LT GRN WIRE MASTER IND MPX-B OIL PRESSURE SWITCH (LOWER LEFT FRONT OF ENGINE) P-ACC FUSE (RIGHT END OF DASH) P-J/B FUSE PARK IND PASSENGER SIDE J/B PASSENGER SIDE J/B (RIGHT END OF DASH) PCS IND PNK WIRE POINTER IND REAR PAD WEAR INDICATOR SWITCH RED WIRE RESET+ RIGHT TURN IND SHIFT INTERLOCK SYSTEM SIGNAL EARTH SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SLIP IND SLIP OFF IND SPEEDOMETER SPORT IND SRS IND TACHOMETER TEMPERATURE GAUGE TFT CPU TFT MODULE TFT PANEL TIRE PRESSURE IND TRIP TRIP SWITCH TX-1 TX+1 UART I/F VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 CBZ EE 1 3 5 BI SI EI 11 1 12 2 3 IG CLEARANCE SONAR SWITCH CANP CANN 14 13 CANH CANL 18 14 ES 3 5 1 2 4 6 SI EI BI BO SO EO 5 3 1 2 4 6 EI SI BI BO SO EO 6 4 2 1 3 5 EO SO BO BI SI EI 6 4 2 1 3 5 PNK EO SO BO BI SI EI WIRE BLK WIRE BLU WIRE BOF BOR BRN WIRE BUZZER CAN CONTROLLER CAN I/F CANN CANP CANL CANH CLEARANCE SONAR ECU (RIGHT END OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (LEFT END OF DASH) E/G ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (RIGHT SIDE OF ENGINE COMPT) FRONT CLEARANCE WARNING BUZZER (CENTER OF DASH) FUSE GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT IN ON OR START J/B 4 (RIGHT SIDE OF DASH) J/B 5 (LEFT SIDE OF DASH) LED DRIVER LEFT FRONT CENTER ULTRASONIC SENSOR 1 (LEFT SIDE OF FRONT BUMPER FASCIA) LEFT FRONT SIDE ULTRASONIC SENSOR 1 (LEFT SIDE OF FRONT BUMPER FASCIA) LEFT FRONT ULTRASONIC SENSOR 1 (LEFT SIDE OF FRONT BUMPER FASCIA) LEFT REAR CENTER ULTRASONIC SENSOR 1 (LEFT SIDE OF REAR BUMPER FASCIA) LEFT REAR ULTRASONIC SENSOR 1 (LEFT SIDE OF REAR BUMPER FASCIA) MASTER IND MPX-B 1 FUSE ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY P-J/B FUSE PARK/ RB NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSM- ISSION) PASSENGER SIDE J/B (RIGHT END OF DASH) PNK WIRE REAR CLEARANCE WARNING BUZZER (UNDER REAR PARCEL SHELF) RED WIRE RIGHT FRONT CENTER ULTRASONIC SENSOR 1 (RIGHT SIDE OF FRONT BUMPER FASCIA) RIGHT FRONT SIDE ULTRASONIC SENSOR 1 (RIGHT SIDE OF FRONT BUMPER FASCIA) RIGHT FRONT ULTRASONIC SENSOR 1 (RIGHT SIDE OF FRONT BUMPER FASCIA) RIGHT REAR CENTER ULTRASONIC SENSOR 1 (RIGHT SIDE OF REAR BUMPER FASCIA) RIGHT REAR ULTRASONIC SENSOR 1 (RIGHT SIDE OF REAR BUMPER FASCIA) SOF BBZ EF SOR VIO WIRE WHT WIRE WHT/BLK WIRE

BLK WIRE BLK/RED WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BUZZER CAN (+) CAN CONTROLLER CAN I/F COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (LEFT END OF DASH) EFI EKNK ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START ENGINE EFI ROOM FUSE J/B 1 (RIGHT REAR OF ENGINE COMPT) J/B 3 (RIGHT SIDE OF DASH) (LEFT FRONT OF ENGINE) KNOCK SENSOR (BANK 1 SENSOR 1) (LEFT SIDE OF ENGINE) KNOCK SENSOR (BANK 2 SENSOR 1) (RIGHT SIDE OF ENGINE) LED DRIVER LT GRN WIRE MALFUNCTION IND LAMP MASTER IND MPX-B-2 FUSE NCA WIRE PNK WIRE RED WIRE SPEEDO- METER STARTING/ CHARGING SYSTEM STOP FUSE FUSE TACHO- METER TEMPER- ATURE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL/BLK WIRE