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LEXUS ES300
MODEL YEAR(S
ES300 2002-2003
KEY T-HARNESS IMMOBILIZER
N/A N/A LEXUS TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #1
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT WHITE/RED (+) @ IGNITION SWITCH HARNESS
STARTER BLACK/WHITE (+) Must use BOTH Starter @ IGNITION SWITCH HARNESS
STARTER 2 GREEN/YELLOW (+) wires for Remote Starting!!! @ IGNITION SWITCH HARNESS
IGNITION 1 BLACK/RED (+) @ IGNITION SWITCH HARNESS
IGNITION 2 BLACK/YELLOW (+) @ IGNITION SWITCH HARNESS
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 BLUE (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) RED (-) @ HEADLIGHT SWITCH
PARKING LIGHTS ( + ) GREEN (+) @ BOTTOM OF FUSEBOX
POWER LOCK BLUE/YELLOW (TYPE B) @ DRIVERS DOOR MODULE in DRIVERS DOOR
POWER UNLOCK BLUE (TYPE B) REQUIRES DOUBLE PULSE @ DRIVERS DOOR MODULE in DRIVERS DOOR
LOCK MOTOR WIRE BLUE/RED (5-WIRE TYPE) IN DRIVERS KICK, at DOOR HARNESS
DOOR TRIGGER See NOTE #2 17044_ES300_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION TURNS ON with UNLOCK
TRUNK RELEASE WHITE/BLUE (5-WIRE) See DAIGRAM, Requires Part #775 Relay IN DRIVERS KICK PANEL 17044_ES300_5-WIRE TRUNK RELEASE DIAGRAM.pdf
SLIDING POWER DOOR N/A
HORN GREEN/BLACK (-) @ STEERING COLUMN HARNESS
TACH BLACK/ORANGE (AC) PIN 5 @ 31 PIN PLUG @ ECM See NOTE #3
WAIT TO START LIGHT N/A
BRAKE GREEN/WHITE (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM N/A
ANTI-THEFT LEXUS TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #1 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: THE DRIVERS DOOR TRIGGER IS RED/GREEN (-) LOWER LEFT OF THE FUSEBOX.THE PASSENGER DOOR IS RED/GREEN (-) AT UPPER LEFT OF THE FUSEBOX.THE LEFT REAR DOOR TRIGGER IS RED/WHITE (-) ,AND THE RIGHT REAR IS RED/YELLOW (-) AT AT BOTTOM OF FUSEBOX. WHEN CONNECTING TO AN ALARM SYSTEM, USE ALL 4 WIRES AND DIODE ISOLATE EACH, SEE DIAGRAM.







NOTE #3: THE ECM IS BEHIND THE GLOVEBOX.
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