Lexus  IS250c 2010-2011
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   WHITE (+)   @ DRIVERS DASH FUSE BOX, (WHITE, 1-PIN PLUG(M) PIN 1
 STARTER  BLACK (-) and LT. BLUE (-)  @ ENGINE SWITCH, (BLACK, 14-PIN PLUG) PINS 7 an 2
 STARTER 2  PURPLE (+)  BLACK 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 PUG) PIN 34, NOTE #3
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  LT. GREEN (+)  @ PSCM, (WHITE, 40-PIN PUG) PIN 11, NOTE #3
 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 #4  @ DRIVERS DASH FUSE BOX, (GRAY, 30-PIN PLUG(J) PIN 24
 POWER LOCK  BLUE (TYPE B), NOTE #2  @ POWER WINDOW MASTER SWITCH, (WHITE, 20-PIN PLUG) PIN 5
 POWER UNLOCK  WHITE (TYPE B), Requires Double Pulse, NOTE #2  @ POWER WINDOW MASTER SWITCH, (WHITE, 20-PIN PLUG) PIN 4
 DOOR TRIGGER  PURPLE (-)  @ BECU (RH), (WHITE, 16-PIN PLUG) PIN 14, NOTE #5
 DOMELIGHT SUPERVISION  WHITE (-)  @ BECU (LH), (WHITE, 16-PIN PLUG) PIN 3, NOTE #8
 TRUNK RELEASE  PINK (-)  @ RELEASE SWITCH or BECU (RH), (WHITE, 28-PIN PLUG) PIN 3, NOTE #5
 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, (WHITE, 25-PIN PLUG) PIN 17
 FACTORY ALARM DISARM   Use UNLOCK wire  
 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. To order go to the INTERFACE Bypass Module Page on this website. NOTE #2: TEST this wire while turning the Key in the Drivers Door. NOTE #3: the PSCM (Power Source Control Module) is located under the PASSENGER Dash and above the GLOVE BOX. NOTE #4: 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 #5: the BECU (RH) (Body Electronic Control Unit ( Right Hand) is part of the PASSENGER DASH FUSE BOX, located under the PASSENGER DASH. NOTE #6: 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.