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LEXUS GS450H
MODEL YEAR(S
GS450H 2007-2008
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 PINK (-) @ POWER SWITCH, (BLACK, 14-PIN PLUG) PIN 7 or PSCU, (40-PIN PLUG) PIN 14, NOTE #5
STARTER 2 BLACK (-) @ POWER SWITCH, (BLACK, 14-PIN PLUG) PIN 2 or PSCU, (40-PIN PLUG) PIN 37, NOTE #5
IGNITION 1 LT. GREEN (+) (NOT for REMOTE START) @ PSCU, (40-PIN PLUG) PIN 35, NOTE #5
IGNITION 2 PINK (+) (NOT for REMOTE START) @ PSCU, (40-PIN PLUG) PIN 34, NOTE #5
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 GREEN (+) (NOT for REMOTE START) @ PSCU, (40-PIN PLUG) PIN 11, NOTE #5
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) BLUE (-) @ HEADLIGHT SWITCH
PARKING LIGHTS ( + ) GREEN (+) @ HEADLIGHT ASSEMBLY, under Hood
POWER LOCK BLUE (TYPE B), NOTE #2 @ PASSENGER DOOR ECU, (24-PIN PLUG) PIN 22, in Passenger Door
POWER UNLOCK GREEN (TYPE B), NOTE #3 @ PASSENGER DOOR ECU, (24-PIN PLUG) PIN 23, in Door
LOCK MOTOR WIRE GREEN (5-wire type) @ DRIVERS DOOR ECU, (24-PIN PLUG) PIN 2, in Door
DOOR TRIGGER RED (+) @ BECU (RH), (16-PIN PLUG), PIN 14, NOTE #7
DOMELIGHT SUPERVISION BLUE (-) @ BECU (LH), (10-PIN PLUG), PIN 2, NOTE #8
TRUNK RELEASE LT. GREEN (-) NOTE #6 @ BECU (LH), (16-PIN PLUG), PIN 13, NOTE #8
SLIDING POWER DOOR N/A
HORN YELLOW (-) @ HORN SWITCH, under Steering Column Cover
TACH WHITE (AC) @ DATA LINK Connector, PIN 9, under Drivers Dash
WAIT TO START LIGHT N/A
BRAKE RED/BLACK (+) @ BRAKE SWITCH above Brake Pedal
FACTORY ALARM DISARM PINK (-) Requires Double Pulse, NOTE #4 @ POWER WINDOW MASTER SWITCH, (20-PIN PLUG) PIN 13
ANTI-THEFT TOYOTA'S TRANSPONDER SYSTEM, See NOTE #1
NOTES
NOTE #1: LEXUS TRANSPONDER ANTI-THEFT SYSTEM, Requires Bypass Module,

Part # 791 Bypass Module (for REMOTE STARTING ONLY!) an Extra Ignition key is

required to be placed inside this module for Operation.



Part # PK-ALL Bypass Module (for REMOTE STARTING ONLY!) KEYLESS BYPASS

NO KEY is required for Operation.



To order the Bypass Module 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 PSCU, (Power Source Control Unit) is the Module, to the far RIGHT, behind

the GLOVE BOX.





NOTE #6: TEST this wire while opening the Trunk with the Handle on the Rear of the vehicle.







NOTE #7: the BECU (RH) (Body Electronic Control Unit) (Right Hand) is part of the PASSENGER

SIDE FUSE BOX, behind the GLOVE BOX





NOTE #8: the BECU (LH) (Body Electronic Control Unit) (Left Hand) is on the Right side of the

DRIVERS SIDE FUSE BOX, under the DRIVERS DASH
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