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LEXUS GS430
MODEL YEAR(S
GS430 2004-2005
KEY T-HARNESS IMMOBILIZER
N/A N/A LEXUS TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #1
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT WHITE/BLUE (+) @ IGNITION SWITCH HARNESS
STARTER BLACK (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 BLACK/WHITE (+) @ IGNITION SWITCH HARNESS
IGNITION 2 BLACK/YELLOW (+) @ IGNITION SWITCH HARNESS
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 BLUE/YELLOW (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE YELLOW (-) @ IGNITION SWITCH HARNESS
PARKING LIGHTS ( - ) RED/YELLOW (-) @ HEADLIGHT SWITCH
PARKING LIGHTS ( + ) GREEN (+) @ 11-PIN PLUG, BOTTOM OF FUSEBOX
POWER LOCK See NOTE #2 See DIAGRAM 11230_GS430_TOYOTA and LEXUS door lock interface.pdf
POWER UNLOCK See NOTE #2 See DIAGRAM
LOCK MOTOR WIRE GREEN/RED (5-WIRE TYPE) @ DRIVERS DOOR MODULE in DRIVERS DOOR
DOOR TRIGGER See NOTE #2 @ DOOR MODULE IN EACH DOOR 14301_GS430_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION GREEN (-) @ PIN 13, IN BECU #2, See NOTE #4
TRUNK RELEASE BLUE (+) @ PIN 16, IN BLUE 18-PIN PLUG, IN DRIVERS KICK PANEL
SLIDING POWER DOOR N/A
HORN GREEN/BLACK (-) @ STEERING COLUMN HARNESS
TACH BLACK/YELLOW @ INSTRUMENT CLUSTER
WAIT TO START LIGHT N/A
BRAKE GREEN/WHITE (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM DISARMS with KEYSENSE wire, See NOTE #5 @ IGNITION SWITCH HARNESS
ANTI-THEFT TRANSPONDER ANTI-THEFT SYSTEM, REQUIRES 791 BYPASS MODULE AND EXTRA IGNITION KEY TRANSPONDER @ IGNITION SWITCH TUMBLER
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 VEHICLE'S DOORLOCKS ARE SPECIAL AND WILL REQUIRE AN EXTRA RELAY, PART #775 AND 2 DIODES, TO CONNECT, See DIAGRAM





NOTE #3: THE DRIVERS FRONT DOOR IS RED/GREEN (-),THE PASSENGER FRONT IS RED/GREEN (-),THE LEFT REAR IS RED/WHITE (-),THE RIGHT REAR IS RED/YELLOW (-). WHEN CONNECTING TO AN ALARM SYSTEM, USE ALL 4 DOOR TRIGGER WIRES AND DIODE ISOLATE, TO CONNECT, See DIAGRAM





NOTE #4: THE BECU (BODY ELECTRONIC CONTROL UNIT) IS IS ATTACHED TO THE BACK OF THE FUSEBOX IN DRIVERS KICK PANEL.





NOTE #5: the vehicle can be disarmed without unlocking by attaching a (-) Negative output wire to the YELLOW (-) KEYSENSE wire in the IGNITION SWITCH HARNESS.
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