Lexus IS250 2009-2011 Printer Friendly Wiring Chart

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.