Lexus  IS250 2009-2011
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   WHITE (+)   @ DASH FUSE BOX, (WHITE, 1-PIN PLUG(M), PIN 1
 STARTER  BLACK (-) and LT. BLUE (-)  @ ENGINE SWITCH, (BLACK, 14-PIN PLUG), PINS 7 and 2
 STARTER 2  PURPLE (+)  BLUE 22-PIN PLUG, PIN 10, in DRIVERS KICK
 IGNITION 1  RED/WHITE (+)  @ PASSENGER DASH FUSE BOX, (GRAY, 10-PIN PLUG(K) PIN 3
 IGNITION 2  PINK (+)  @ PSCM, (WHITE, 40-PIN PLUG) PIN 34, NOTE #5
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  LT. GREEN (+)  @ PSCM, (WHITE, 40-PIN PLUG) PIN 1, NOTE #5
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  BLUE (-)  @ HEADLIGHT SWITCH, (WHITE, 20-PIN PLUG) PIN 18
 PARKING LIGHTS ( + )  BROWN (+) (REAR) NOTE #6  @ DRIVERS DASH FUSE BOX, (GRAY, 30-PIN PLUG(J) PIN 24
 POWER LOCK  BROWN (TYPE B), (TEST with PASSENGER Switch) NOTE #2  @ PASSENGER DASH FUSE BOX, (GRAY, 30-PIN PLUG(J) PIN 7
 POWER UNLOCK  BLACK (TYPE B), (TEST with PASSENGER Switch) NOTE #3  @ PASSENGER DASH FUSE BOX, (GRAY, 30-PIN PLUG(J) PIN 10
 DOOR TRIGGER  WHITE (-)  @ BECU, (RH), (WHITE, 16-PIN PLUG) PIN 14, NOTE #7
 DOMELIGHT SUPERVISION  PURPLE (-)  @ BECU, (LH), (WHITE, 10-PIN PLUG) PIN 2, NOTE #8
 TRUNK RELEASE  PINK (-)  @ RELEASE SWITCH or BECU, (RH), (WHITE, 28-PIN PLUG) PIN 3, NOTE #7
 SLIDING POWER DOOR  N/A  
 HORN  WHITE (-)  @ HORN SWITCH, (BLACK, 12-PIN PLUG) PIN 8
 TACH  WHITE (AC)  @ DATA LINK Connector, (WHITE, 16-PIN PLUG) PIN 9
 WAIT TO START LIGHT  N/A  
 BRAKE  RED/BLACK to RED (+)  @ BRAKE SWITCH or DRIVERS KICK PANEL, (BLUE, 22-PIN PLUG) PIN 12
 FACTORY ALARM DISARM   WHITE (-) Requires Double Pulse, NOTE #4  @ POWER WINDOW MASTER SWITCH, (WHITE, 20-PIN PLUG) PIN 13
 ANTI-THEFT  TOYOTA'S TRANSPONDER SYSTEM, Requires Bypass Module, 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 under the PASSENGER Dash and above the GLOVE BOX. NOTE #6: the FRONT PARKING LIGHT wire is a BLUE (+) @ the DRIVERS side HEADLIGHT Assembly or in he ENGINE Compartemnt FUSE BOX, (BLACK, 13-PIN PLUG(G) PIN 9 NOTE #7: the BECU (RH) (Body Electronic Control Unit ( Right Hand) is part of the PASSENGER DASH FUSE BOX, located under the PASSENGER DASH. 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.