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LEXUS LS400
MODEL YEAR(S
LS400 1999-2000
KEY T-HARNESS IMMOBILIZER
N/A N/A LEXUS TRANSPONDER ANTI-THEFT SYSTEM, Requires 791 Bypass Module and extra Ignition Key
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT BLACK/WHITE (+) or WHITE/BLUE (+) @ IGNITION SWITCH HARNESS
STARTER BLACK/RED (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 WHITE (+) @ IGNITION SWITCH HARNESS
IGNITION 2 BLACK (+) @ IGNITION SWITCH HARNESS
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 WHITE/GREEN (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) GREEN (-) @ STEERING COLUMN HARNESS, 18-Pin Plug
PARKING LIGHTS ( + ) GREEN/ORANGE (+) @ FUSE BOX, 18-Pin Plug
POWER LOCK See NOTE #1 See DIAGRAM 14301_LS400_TOYOTA and LEXUS door lock interface.pdf
POWER UNLOCK See NOTE #1 See DIAGRAM
LOCK MOTOR WIRE BLUE/RED (5-WIRE TYPE) @ DRIVERS DOOR MODULE in DRIVERS DOOR
DOOR TRIGGER GREEN/WHITE (-) IN DRIVERS KICK PANEL
DOMELIGHT SUPERVISION USE DOOR TRIGGER
TRUNK RELEASE ORANGE (-) @ TRUNK RELEASE SWITCH
SLIDING POWER DOOR N/A
HORN GREEN/RED (-) @ STEERING COLUMN HARNESS, 6-Pin PLug
TACH BLACK/YELLOW @ ECM, 28-Pin Plug, See NOTE *2
WAIT TO START LIGHT N/A
BRAKE GREEN/WHITE (+) IN DRIVERS KICK PANEL
FACTORY ALARM DISARM N/A
ANTI-THEFT TRANSPONDER ANTI-THEFT SYSTEM, REQUIRES 791 BYPASS MODULE AND EXTRA IGNITION KEY TRANSPONDER @ IGNITION SWITCH TUMBLER
NOTES
NOTE #1: THIS VEHICLE'S DOORLOCKS ARE SPECIAL AND WILL REQUIRE AN EXTRA RELAY, PART #775 AND 2 DIODES, TO CONNECT, See DIAGRAM







NOTE #2: THE ECM (ELECTRONIC CONTROL MODULE) IS LOCATED BEHIND GLOVEBOX.
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