Here's the wiring info for remote start:
LEXUS / GX 470 / 2004 / Remote Start
12volts wht/blue (50A), wht/red (30A) + ignition harness
Starter GREEN/ black + ignition harness
Second Starter BLACK/ white + ignition harness
Ignition BLACK/ red + ignition harness
Second Ignition blue / YELLOW + ignition harness
Third Ignition N/A
Accessory WHITE/ green + ignition harness
Second Accessory N/A
Keysense GREEN/ YELLOW - ignition harness
Notes: Using the status output to trigger this wire during remote start will disarm the factory alarm without unlocking the doors.
Power Lock GREEN/ black to BLACK/ orange - passenger kick, gray 18 pin plug
Notes: Meter these wires while turning the key in the passenger door key cylinder.
Can also use the driver door key cylinder wires for lock/unlock. The lock wire is blue (-), and the unlock wire is green (-, double pulse). These wires are at the driver door module in the door.
Power Unlock green - passenger kick, gray 18 pin plug
Notes: Meter these wires while turning the key in the passenger door key cylinder.
Can also use the driver door key cylinder wires for lock/unlock. The lock wire is blue (-), and the unlock wire is green (-, double pulse). These wires are at the driver door module in the door.
Lock Motor blue/red to RED / black 5wi driver kick, 13 pin plug
Unlock Motor blue/orange to BLACK/ white 5wi driver kick, 13 pin plug
Parking Lights+ green + left of fuses, 16 pin plug
Parking Lights- green - BECU, top plug, pin 8
Notes: The Body ECU is part of the fuse box under the driver side dash. The three plugs on the right side edge of the fuse box are for the Body ECU.
Hazards white - hazard switch
Turn Signal(L) blue/black + left of fuses, 16 pin plug
Turn Signal(R) blue / YELLOW + left of fuses, 16 pin plug
Reverse Light RED / black + passenger kick, harness to rear
Door Trigger purple / YELLOW (ajar indicator) - BECU, top plug, pin 12
Notes: The individual door trigger wires are in the BECU, middle plug. The LF door is RED / yellow in pin 23. The RF door is RED / yellow in pin 24. The LR door is pink/black in pin 11. The RR door is pink/blue in pin 12. Use all four wires and diode isolate each.
The Body ECU is part of the fuse box under the driver side dash. The three plugs on the right side edge of the fuse box are for the Body ECU.
Dome Supervision white - plug to right of fuses, pin 8
Trunk/Hatch Pin RED / blue - BECU, middle plug, pin 7
Notes: The Body ECU is part of the fuse box under the driver side dash. The three plugs on the right side edge of the fuse box are for the Body ECU.
Hood Pin RED / white - driver kick, large plug by firewall
Trunk/Hatch Release N/A
Power Sliding Door N/A
Factory Alarm Arm arms with lock
Factory Alarm Disarm disarms with unlock
Disarm No Unlock use key sense wire
Tachometer BLACK/ white ac ECM, top plug, pin 5
Notes: The ECM (Engine Control Module) is behind the glove box.
Wait to start N/A
Brake Wire GREEN/ YELLOW + left of fuses, 16 pin plug
Parking Brake GREEN/ red - BECU, middle plug, pin 2
Notes: The Body ECU is part of the fuse box under the driver side dash. The three plugs on the right side edge of the fuse box are for the Body ECU.
Horn Trigger GREEN/ red - horn switch
Memory Seat 1 blue/orange - BECU, bottom plug, pin 20
Notes: The Body ECU is part of the fuse box under the driver side dash. The three plugs on the right side edge of the fuse box are for the Body ECU.
Memory Seat 2 blue/black - BECU, bottom plug, pin 2
Notes: The Body ECU is part of the fuse box under the driver side dash. The three plugs on the right side edge of the fuse box are for the Body ECU.
Memory Seat 3 N/A -
Interface Module: Category:
Door Lock Interface Required:
No Type:
Data Bus
Part #: IM-Toyota-2
Notes:
Interface Module: Category:
Immobilizer Bypass Required:
Yes Type:
Transponder
~wirewise~
Verify all wiring with your meter before making any connections!