Lexus  IS250 2006-2008
 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  
 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
 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  
 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.