Lexus Sc430 2002-2007 Printer Friendly Wiring Chart

Lexus Sc430 2002-2007

PART	COLOR	LOCATION
12 VOLT CONSTANT	BLACK/RED (+)	@ IGNITION SWITCH HARNESS
STARTER	WHITE/RED (+)	@ IGNITION SWITCH HARNESS
STARTER 2	N/A
IGNITION 1	BLACK (+)	@ IGNITION SWITCH HARNESS
IGNITION 2	BLUE (+) (Thin wire)	@ IGNITION SWITCH HARNESS
IGNITION 3	N/A
ACCESSORY/HEATER BLOWER 1	WHITE/GREEN (+) (Thin wire)	@ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2	N/A
KEYSENSE	LIGHT GREEN/BLACK (-)	@ IGNITION SWITCH HARNESS, 4-Pin Plug
PARKING LIGHTS ( - )	YELLOW (-) See NOTE #2	@ CENTER PLUG OF A/C DISPLAY UNIT
PARKING LIGHTS ( + )	DO NOT USE!!!
POWER LOCK	BLUE/BLACK (TYPE B) See NOTE #1	@ MODULE INSIDE DRIVERS DOOR
POWER UNLOCK	BLUE/WHITE (TYPE B) See NOTE #1	@ MODULE INSIDE DRIVERS DOOR
DOOR TRIGGER	BLUE (-)	@ UNDERDASH LIGHT
DOMELIGHT SUPERVISION	USE DOOR TRIGGER, Requires Part #775 Relay
TRUNK RELEASE	WHITE (-), Requires Part #775 Relay	@ TRUNK RELEASE SWITCH
SLIDING POWER DOOR	N/A
HORN	RED/BLUE (-)	INSIDE THE UNDERHOOD FUSEBOX
TACH	BLACK/YELLOW (AC)	@ DATA LINK CONNECTOR, UNDER DRIVERS DASH
WAIT TO START LIGHT	N/A
BRAKE	GREEN/WHITE (+)	@ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM	DISARMS with KEYSENSE wire, See NOTE #3	@ IGNITION SWITCH HARNESS
ANTI-THEFT	TRANSPONDER ANTI-THEFT SYSTEM, REQUIRES 791 BYPASS MODULE AND EXTRA IGNITION KEY	TRANSPONDER @ IGNITION SWITCH TUMBLER

EXTRA INFORMATION

NOTE #1: TEST THESE WIRES BY TURNING THE KEY IN THE DRIVERS DOOR KEY CYLINDER. NOTE #2: THE PARKING LIGHTS ARE MULTIPLEX FROM THE HEADLIGHT SWITCH.BETTER TO USE THE HAZARD LIGHTS.THE HAZARD LIGHTS ARE YELLOW (-) AT CENTER PLUG OF A/C DISPLAY UNIT. NOTE #3: the vehicle can be disarmed without unlocking by attaching a (-) Negative output wire to the LIGHT GREEN/BLACK (-) KEYSENSE wire in the IGNITION SWITCH HARNESS.