Lexus  Sc430 2008-2010
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   BLACK/RED (+) 30 AMP   @ IGNITION SWITCH, (WHITE, 8-PIN PLUG) PIN 7
 STARTER  WHITE/RED (+)  @ IGNITION SWITCH, (WHITE, 8-PIN PLUG) PIN 8
 STARTER 2  N/A  
 IGNITION 1  BLACK (+)  @ IGNITION SWITCH, (WHITE, 8-PIN PLUG) PIN 6
 IGNITION 2  BLUE (+)  @ IGNITION SWITCH, (WHITE, 8-PIN PLUG) PIN 4
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  WHITE/GREEN (+)  @ IGNITION SWITCH, (WHITE, 8-PIN PLUG) PIN 3
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  LT. GREEN/BLACK (-) (FRONT ONLY)  @ FRONT CONTROLLER, PIN 15, NOTE #6
 PARKING LIGHTS ( + )  BLUE/WHITE (+) (FRONT) NOTE #7  @ LEFT FRONT PARKING LIGHT
 POWER LOCK  WHITE (-) TYPE B, NOTE #3  @ DRIVERS DOOR ECU, (BLACK, 30-PIN PLUG) PIN 8
 POWER UNLOCK  WHITE/RED (-) TYPE B, NOTE #4  @ DRIVERS DOOR ECU, (BLACK, 30-PIN PLUG) PIN 19
 DOOR TRIGGER  RED/WHITE (-)  in DRIVERS KICK PANEL, (WHITE, 18-PIN PLUG) PIN 5
 DOMELIGHT SUPERVISION  RED/WHITE (-)  @ PASSENGER side J/B ECU, (WHITE, 22-PIN PLUG) PIN 9, NOTE #8
 TRUNK RELEASE  WHITE (-)  @ DRIVERS side J/B ECU, (WHITE, 22-PIN PLUG) PIN 5, NOTE #9
 SLIDING POWER DOOR  N/A  
 HORN  RED or RED/BLUE (-)  @ FRONT CONTROLLER, PIN 1, NOTE #6
 TACH  BLACK/YELLOW (AC)  @ DATA LINK Connector, (WHITE, 16-PIN PLUG) PIN 9, under the Drivers Dash
 WAIT TO START LIGHT  N/A  
 BRAKE  GREEN/WITE (+)  @ BRAKE SWITCH, (GREEN, 4-PIN PLUG) PIN 1
 FACTORY ALARM DISARM   BLUE/WHITE (-) Requires Double Pulse, NOTE #1  @ DRIVERS DOOR ECU, (BLACK, 24-PIN PLUG) PIN 4
 ANTI-THEFT  NO INFORMATION AT THIS TIME!  
 EXTRA INFORMATION
 NOTE #1: TEST this wire while turning the Key in the Drivers Door. NOTE #2: the BECU, (Body Electronic Control Unit) is located under the DRIVERS Dash and attached to the BACK of the Drivers Dash FUSE BOX. NOTE #3: this wire is only needed if the Door Locks do not function with the Aftermarket System while the vehicle is running. All other times just use the Factory Alarm Arm wire. NOTE #4: this wire is only needed if the Door Locks do not function with the Aftermarket System while the vehicle is running. All other times just use the Factory Alarm Disarm wire. NOTE #5: the PMCU, (Power Management Control Unit) is located under the Drivers Dash, and to the LEFT of the DASH FUSE BOX. NOTE #6: the FRONT CONTROLLER is part of the ENGINE COMPARTMENT FUSE BOX, located in the Engine Compartment under the hood, on the Drivers Fender NOTE #7: the LEFT REAR PARKING LIGHT wire is GRAY (+) and the RIGHT REAR is a PURPLE (+) located at the LUGGAGE COMPARTMENT J/B ECU, (WHITE, 22-PIN PLUG) PINS 1 and 12 The LUGGAGE COMPARTMENT J/B ECU, is part of the LUGGAGE COMPARTMENT FUSE BOX, located on the LEFT side of the LUGGAGE Compartment. NOTE #8: the PASSENGER side J/B ECU is part of the PASSENGER FUSE BOX, located in the PASSENGER KICK PANEL. NOTE #9: the DRIVERS side J/B ECU is part of the DRIVERS FUSE BOX, located in the DRIVERS KICK PANEL.