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LEXUS IS250
MODEL YEAR(S
IS250 2006-2008
KEY T-HARNESS IMMOBILIZER
N/A N/A TOYOTA'S TRANSPONDER SYSTEM, See NOTE #1
PART COLOR LOCATION DIAGRAM
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
ACCESSORY/HEATER BLOWER 1 LT. GREEN (+) (NOT for REMOTE START) @ PSCM, (40-PIN PLUG) PIN 11, NOTE #5
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
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
LOCK MOTOR WIRE PURPLE to LT. GREEN (5-wire type) in DRIVERS KICK PANEL, (25-PIN PLUG) PIN 17
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
HORN WHITE (-) @ HORN SWITCH, under Steering Column Cover
TACH WHITE (AC) @ DATA LINK Connector, Pin 9, under Dash
WAIT TO START LIGHT N/A
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
NOTES
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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