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2003-2007 Impreza Remote Start Pictorial


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kreg357 
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Joined: January 30, 2009
Location: New York, United States
Posted: July 24, 2013 at 10:14 PM / IP Logged  
This is a DIY Pictorial for a basic remote start with keyless entry system on a U.S. market 2005 Subaru Impreza with
Automatic Transmission, power locks and no Factory Alarm.   The 2003 thru 2007 model years should be similar.
These are very popular cars in cold climates and are easy to integrate an after-market system into. While the major
bypass module manufacturers list a module for this vehicle, no immobilizer system was found. Here is a link to more
info on Subaru immobilizers : http://www.cars101.com/subaru/keyless.html#05%20legacy%20program%20remotes
These vehicles do not have built-in Anti-Grind or one touch starting. Running in Tach Mode is recommended and the
addition of an anti-grind relay circuit is an option.
An Ultra Start U1272 was chosen for this install but any quality remote start system can be used. Verify that the vehicle
does not have a Factory Alarm. The Factory Alarm is listed as being controlled ONLY from the Factory FOB's. With the
owners permission, the owners manual has instructions for turning off the Factory Alarm.
Disassembly :
Remove the lower dash panel by removing the one plastic fastener and two Phillips screws shown in the photos
below. Then pull the panel straight away along the top edge ( 3 fasteners ).
2003-2007 Impreza Remote Start Pictorial -- posted image.
2003-2007 Impreza Remote Start Pictorial -- posted image.
2003-2007 Impreza Remote Start Pictorial -- posted image.
Remove the lower steering column cover by removing the one Phillips screw shown the picture, then gently separate
the two halves ( place the tilt lever in the down position to assist in cover removal ).
2003-2007 Impreza Remote Start Pictorial -- posted image.
Next, remove the knee brace panel by removing the two 10mm machine screws shown below. ( some important
locations are also noted for further use )
2003-2007 Impreza Remote Start Pictorial -- posted image.
Wiring :
Here is the wire connection list for the 2005 Impreza and the U1272 remote starter :
U1272 connections  2005 Subaru Impreza
6 Pin Ignition Harness       
1 Yellow (+) Starter Output BLACK / YELLOW @ upper Ignition harness
2 Green (+) Accessory Output BLACK/ Blue @ upper Ignition harness
3 Red (+) +12V constant   BLACK/ White @ upper Ignition harness
4 Red (+) +12V constant   BLACK/ White @ upper Ignition harness
5 White (+) Flex Relay Output Not needed
6 Blue (+) Ignition Output Black @ upper Ignition harness
2 Pin Harness
Black (-) Main Chassis Ground       Chassis Ground
White Selectable Parking Light Output  Orange wire in White 4 Pin Plug @ steering column ( set R/S for (+) output )
9 Pin Harness
1 Yellow (-) Rearm Output      Not used
2 Brown (-) Disarm Output      Not used
3 Black (-) AUX1 Output Not used
4 RED / White (-) Trunk Release Not used
5 WHITE/ Blue (-) Horn Output   GREEN/ Red @ Black 5 Pin plug on right side of steering column
6 Pink (+) Brake Input  WHITE/ Black @ Integrated Module
7 GREEN / WHITE (-) Hood Pin Input  Hood Pin supplied in kit or upgraded tilt switch
8 Blue/White (AC) Tach Input   GREEN/ Blue at 4 Pin coil pack plug
9 Blue (+/-) Glow Plug/WTS/Trigger Input       Not used
Lock Harness
Green     (-) Lock      RED / White @ Integrated Module
Blue        (-) Unlock Yellow/Red @ Integrated Module
3 Pin Bypass Harness
Red    +12V       Not needed
BlackGround       Not needed
WHITE/ Violet     (-) GWR        Not needed ( could be used for Anti-Grind with extra relay )
This is a photo of the upper Ignition harness and wires ( disconnected from the lower harness ). Please note that the
wire colors change in the lower harness.
2003-2007 Impreza Remote Start Pictorial -- posted image.
Here is a shot of the Parking Light wire.
2003-2007 Impreza Remote Start Pictorial -- posted image.
The photos below are the Horn wire.
2003-2007 Impreza Remote Start Pictorial -- posted image.
2003-2007 Impreza Remote Start Pictorial -- posted image.
The next pictures are of the Integrated Module and the wires found there.
2003-2007 Impreza Remote Start Pictorial -- posted image.
2003-2007 Impreza Remote Start Pictorial -- posted image.
Firewall pass thru can be found at a couple of spots. The easiest is a large diamond shaped grommet located high
in the firewall to the right of the steering column and above the gas pedal.
The Tach signal can be found in several places. Inside the vehicle at a connector at the back of the instrument panel
and at the ECM. The ECM is located in the passenger side, below the glove box. For this install, the Tach signal at the
engine coil pack was used, as shown below.
2003-2007 Impreza Remote Start Pictorial -- posted image.
This Tach wire provided a good signal as indicated in the picture below.
2003-2007 Impreza Remote Start Pictorial -- posted image.
There are many good chassis ground locations and plenty of room to secure the remote start module.   Remember,
this is only a guide of one way to install a remote starter system. As mentioned, most of the needed wires can be
found in other locations. All wires should be verified with a Digital Multi Meter prior to making quality solder connections.
Soldering is fun!
the12volt 
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Joined: March 07, 2002
Location: Louisiana, United States
Posted: July 27, 2013 at 9:32 AM / IP Logged  
Kreg, once again, very well done. Thanks for sharing.
2003-2007 Impreza Remote Start Pictorial -- posted image. the12volt • Support the12volt.com
boomerzbox 
Member - Posts: 1
Member spacespace
Joined: September 03, 2015
Location: New York, United States
Posted: September 03, 2015 at 12:20 PM / IP Logged  
Do you think the wire color codes are the same for 2002 subaru impreza ?
kreg357 
Platinum - Posts: 7,272
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: January 30, 2009
Location: New York, United States
Posted: September 04, 2015 at 3:52 PM / IP Logged  

It appears that they are, according to the generally available wiring guides. 

Here is a link to Bulldog Security : http://www.bulldogsecurity.com/bdnew/vehiclewiringdiagrams.aspx
Here is a link to ReadyRemote :  http://www.readyremote.com/main.asp

Haven't done a 2002 Impreza for a while and don't have any photo's from that specific year.  ReadyRemote has some photo's

with their wire info.  

Soldering is fun!

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