toyota sienna 2003
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=49983
Printed Date: July 15, 2025 at 10:27 AM
Topic: toyota sienna 2003
Posted By: madBedex
Subject: toyota sienna 2003
Date Posted: February 12, 2005 at 8:27 PM
Hi! Guys.
Can anyone please post car wiring info.for toyota sienna 2003,i'm trying to install a remote start on it.
I don't know if a 555u module is required to by pass the system.
Your help would be so grateful.
Thanks!
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madbedex
Replies:
Posted By: csorb
Date Posted: February 12, 2005 at 8:42 PM
Toyota Sienna 2003 Remote Starter Wiring Colors and Notes
Start:
Red (+)
Ignition switch harness
Ignition #1:
BLACK / YELLOW (+)
Ignition switch harness*
Ignition #2:
BLACK/ Red (+)
Ignition switch harness
Accessory:
Blue (+)
Ignition switch harness
Brake Light:
GREEN / WHITE (+)
Brake pedal switch
Tach Signal:
Purple red behind glove box (second plug from left)
Or white red at coil near firewall
Parking Lights:
Green (+)
Bottom of the fuse box
Notes:
*This car is equipped with a Transponder Anti-Theft security system.
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Toyota
Sienna
2003
Alarm and Keyless Entry Wiring Colors and Notes
Function
Vehicle Color
Location
Constant +12 Volts:
WHITE/ Red & WHITE/ Blue (+)
Ignition switch harness
OEM Alarm Disarm:
Disarms with unlock
Dome Lights/Superv:
RED / Black (-)
Right side of the fuse box
OEM Horn:
GREEN/ Black (-)
Steering column harness
Power Lock:
Blue/White (-)
Passenger kick panel**
Power Unlock:
Blue / YELLOW (-)
Passenger kick panel**
Trunk Release:
N/A
Alarm Input Wire:
RED / Black (-)
Right side of the fuse box
Notes:
**These wires will test only by operating the key in the passenger door lock cylinder, not the rocker switch on the door itself. See Note #201 Negative Trigger Door Locks
Posted By: csorb
Date Posted: February 12, 2005 at 8:47 PM
And yes you need the 555U. Actually it would be easier if you would just wrap some thin stranded wire around the key, Put it through a relay (87a and 30) and then 5 or 6 times around the key cylinder. Connect the relay coil to turn on with ground when running on the remote starter. Works every time especially on Siennas and you save a couple of bucks.
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