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LEXUS SC430
MODEL YEAR(S
SC430 2008-2010
KEY T-HARNESS IMMOBILIZER
N/A N/A NO INFORMATION AT THIS TIME!
PART COLOR LOCATION DIAGRAM
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
LOCK MOTOR WIRE BLUE/RED (+) 5-wire type @ DRIVERS DOOR ECU, (BLACK, 24-PIN PLUG) PIN 6
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!
NOTES
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.
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