2004 Toyota Sienna Wire Diagram Needed

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=40834
Printed Date: May 21, 2025 at 5:14 PM

Topic: 2004 Toyota Sienna Wire Diagram Needed

Posted By: newinstaller
Subject: 2004 Toyota Sienna Wire Diagram Needed
Date Posted: October 13, 2004 at 7:29 PM

Hi,

I am looking for a 2004 Toyota Sienna Wire Diagram.

I am installing a Compustar 2WFMAS Alarm/Starter

Any help would be great

Anyone Got DEI??

Thanks

Replies:

Posted By: snguyen
Date Posted: October 13, 2004 at 7:31 PM

Toyota

Sienna

2004-2004

Remote Starter Wiring Colors and Notes
Function	Vehicle Color	Location
Start:	BLACK / YELLOW	IGNITION SWITCH HARNESS *
Ignition #1:	Black	IGNITION SWITCH HARNESS
Ignition #2:	BLACK / YELLOW	IGNITION SWITCH HARNESS
Ignition #3:	Blue/Black (-)	Use Key Sense wire to disarm the OEM factory alarm. **
Accessory:	Pink	IGNITION SWITCH HARNESS
Brake Light:	GREEN / WHITE (+)	Above the brake switch
Tach Signal:	BLACK/ Orange	ECM located behind the glovebox
Parking Lights:	GREEN/ Black (-)	Headlight Switch
Headlights:	N/A
OEM Alarm Disarm:	Key Sense Wire
OEM Alarm Arm:
Diesel Glow Plug:
Clutch Bypass Wire:
Notes:	This Vehicle is equipped with Transponder Theft System. Use Universal Alarm Bypass Module part #2x402 where X can be any number. *Use the WHITE/ Black IGN3 wire from the unit to disarm the alarm. The key sense wire will measure a ground while the key is in the ignition switch.

Toyota

Sienna

2004-2004

Alarm and Keyless Entry Wiring Colors and Notes
Function	Vehicle Color	Location
Constant +12 Volts:	WHITE/ Blue (+)	Ignition Switch Harness
Starter Kill:	BLACK / YELLOW	IGNITION SWITCH HARNESS *
Ignition +12 Volts:	Black	IGNITION SWITCH HARNESS
Dome Lights/Superv:	See Note Below ***	See Note Below***
OEM Horn:	GREEN/ Black (-)	Below the steering column
Power Lock:	Lt. Green (-)	Drivers kick panel
Power Unlock:	Blue (-)	Drivers kick panel
Trunk Release:	Yellow/Red (-)	Fuse Box Below drivers kick panel
Alarm Input Wire:	See Note Below ***	See Note Below***
Notes:	*** The vehicle has individual door triggers. Driver's door RED / Yellow(-),The drivers door and the passengers share the same wire. The left sliding door is gray (-). Right sliding door RED / white. These wires will be located at the BECU module located at the fuse box in the driver's kick panel.

Posted By: newinstaller
Date Posted: October 13, 2004 at 7:34 PM

is this DEI?

Thanks

Posted By: snguyen
Date Posted: October 13, 2004 at 7:34 PM

SIENNA 2004
WIRE	COLORS	LOCATION
12 VOLTS CONSTANT	WHITE/ RED and WHITE/ BLUE	IGNITION SWITCH HARNESS
IGNITION 1	BLACK (+)	IGNITION SWITCH HARNESS
IGNITION 2	BLACK / YELLOW (+)	IGNITION SWITCH HARNESS
ACCESSORY /HEATER BLOWER	PINK (+)	IGNITION SWITCH HARNESS
STARTER	BLACK / YELLOW (+)	IGNITION SWITCH HARNESS
PARKING LIGHTS (-)	GREEN/ BLACK (-) See NOTE *	@ HEADLIGHT SWITCH
DOME LIGHT	RED / GREEN (-)	@ INTERIOR LIGHT SWITCH ON DASH
POWER DOOR LOCK	LIGHT GREEN See NOTE **	IN DRIVERS KICK PANEL, in an 18 Pin Plug (TYPE B)
POWER DOOR UNLOCK	BLUE See NOTE **	IN DRIVERS KICK PANEL, in an 18 Pin Plug (TYPE B)
TRUNK RELEASE	YELLOW/RED (-)	@ BOTTOM LEFT of FUSEBOX 22 Pin Plug
TACH SENSOR	BLACK/ ORANGE NOTE ***	@ ECM, Connector E4, Pin 5
BRAKE	GREEN / WHITE (+)	@ SWITCH ABOVE BRAKE PEDAL
HORN	GREEN/ BLACK (-)	@ STEERING COLUMN HARNESS
FACTORY DISARM	disarms with Unlock
FACTORY ANTI-THEFT	TRANSPONDER	Requires #791 Bypass Module and Extra Ignition Key

NOTE * You CANNOT USE any (+) Positive Parking Light circuit on this vehicle, you MUST use the (-) Negative Parking light circuit and this will require an extra Relay Part # 775, to order contact: DIRECT WHOLESALE at 1-800-659-0764.

NOTE ** These 2 wires will ONLY meter (show a Ground or (-) Negative) when you place a key in the DRIVERS DOOR KEY CYLINDER (outside of drivers door) and rotating from Lock to Unlock. You must use a Double Pulse Unlock programming on this vehicle. For a Single Pulse Unlock you can use the wire in the Passengers kick panel in a 12 Pin Plug, it will meter off of the Passengers key cylinder, the wire is a BLUE / YELLOW (-).

NOTE *** The ECM is located behind the Glovebox.

Posted By: newinstaller
Date Posted: October 13, 2004 at 7:37 PM

thanks so much buddy

your the best