Vehicle
Wiring Details for your
2008-2010 Lexus Sc430 Wiring Diagram |
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Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2008-2010 Lexus Sc430 . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires with a digital multimeter before making any connections. More information on using a multimeter and testing wires please see our Technical Support Area.
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| 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 |
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| 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 |
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| ACCESSORY/HEATER
BLOWER 1 |
WHITE/GREEN (+) |
@ IGNITION SWITCH, (WHITE, 8-PIN PLUG) PIN 3 |
| ACCESSORY/HEATER
BLOWER 2 |
N/A |
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| KEYSENSE |
N/A |
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| 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 |
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| 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 |
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| 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! |
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| 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.
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