Lexus  Es300 2002-2003
 PART   COLOR  LOCATION
 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
 DOOR TRIGGER  See NOTE #2  
 DOMELIGHT SUPERVISION  TURNS ON with UNLOCK  
 TRUNK RELEASE  WHITE/BLUE (5-WIRE) See DAIGRAM, Requires Part #775 Relay  IN DRIVERS KICK PANEL
 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
 EXTRA INFORMATION
 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.