Vehicle
Wiring Details for your
2006-2008 Lexus IS250 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 2006-2008 Lexus IS250 . 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 |
WHITE (+) |
@ DRIVERS FUSE BOX, 1-PIN PLUG |
| STARTER |
BLACK (-) |
@ POWER SWITCH, (BLACK, 14-PIN PLUG) PIN 7 or PSCM, (40-PIN PLUG) PIN 14, NOTE #5 |
| STARTER
2 |
LT. BLUE (-) |
@ POWER SWITCH, (BLACK, 14-PIN PLUG) PIN 2 or PSCM, (40-PIN PLUG) PIN 37, NOTE #5 |
| IGNITION
1 |
LT. GREEN (+) (NOT for REMOTE START) |
@ PSCM, (40-PIN PLUG) PIN 35, NOTE #5 |
| IGNITION
2 |
PINK (+) (NOT for REMOTE START) |
@ PSCM, (40-PIN PLUG) PIN 34, NOTE #5 |
| IGNITION
3 |
N/A |
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| ACCESSORY/HEATER
BLOWER 1 |
LT. GREEN (+) (NOT for REMOTE START) |
@ PSCM, (40-PIN PLUG) PIN 11, NOTE #5 |
| ACCESSORY/HEATER
BLOWER 2 |
N/A |
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| KEYSENSE |
N/A |
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| PARKING
LIGHTS ( - ) |
YELLOW (-) |
@ DRIVERS FUSE BOX, 28-PIN PLUG, PIN 5 |
| PARKING
LIGHTS ( + ) |
BROWN (+) (Rear) NOTE #6 |
@ DRIVERS FUSE BOX, (GRAY, 30-PIN PLUG), PIN 24 |
| POWER LOCK |
BROWN (TYPE B), NOTE #2 |
@ PASSENGER FUSE BOX, (GRAY, 30-PIN PLUG) PIN 7 |
| POWER UNLOCK |
BLACK (TYPE B), NOTE #3 |
@ PASSENGER FUSE BOX, (GRAY, 30-PIN PLUG) PIN 10 |
| DOOR TRIGGER |
WHITE to RED (-) |
@ BECU (RH), (16-PIN PLUG) PIN 14, NOTE #7 |
| DOMELIGHT
SUPERVISION |
PURPLE to PINK (-) |
@ BECU (LH), (10-PIN PLUG) PIN 2, NOTE #8 |
| TRUNK RELEASE |
PINK (-) |
@ SWITCH or BECU (RH), (28-PIN PLUG) PIN 3, NOTE #7 |
| SLIDING
POWER DOOR |
N/A |
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| HORN |
WHITE (-) |
@ HORN SWITCH, under Steering Column Cover |
| TACH |
WHITE (AC) |
@ DATA LINK Connector, Pin 9, under Dash |
| WAIT TO
START LIGHT |
N/A |
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| BRAKE |
RED/BLACK (+) |
@ BRAKE SWITCH, above Brake Pedal |
| FACTORY
ALARM DISARM |
WHITE (-) Requres Double Pulse, NOTE #4 |
@ POWER WINDOW SWITCH, (20-PIN PLUG) PIN 14 |
| ANTI-THEFT |
TOYOTA'S TRANSPONDER SYSTEM, See NOTE #1 |
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| EXTRA
INFORMATION |
| NOTE #1: TOYOTA'S TRANSPONDER ANTI-THEFT SYSTEM, Requires part #791 Bypass Module and
an extra ignition key for remote starting.
Part # PK-ALL Bypass, NO EXTRA KEY REQUIRED!!
To order go to the INTERFACE Bypass Module Page on this website.
NOTE #2: 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 #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 Disarm wire.
NOTE #4: TEST this wire while turning the Key in the Drivers Door, this wire will also Unlock
the Doors.
NOTE #5: the PSCM (Power Source Control Module) is located behind the GLOVE BOX.
NOTE #6: the FRONT PARKING LIGHT wire is a BLUE (+) @ the DRIVERS side HEADLIGHT
Assembly.
NOTE #7: the BECU (RH) (Body Electronic Control Unit ( Right Hand) is part of the PASSENGER
side FUSE BOX, located behind the GLOVE BOX.
NOTE #8: the BECU (LH) (Body Electronic Control Unit ( Left Hand) is part of the DRIVERS side
FUSE BOX, located under the Drivers side of the Dash.
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