LIMITED WARRANTY
Lockin Pty Ltd trading as Haltech warrants the HaltechTM Programmable Fuel Injection System to be
free from defects in material or workmanship for a period of 12 months from the date of purchase.
Proof of purchase, in the form of a bill of sale or receipted invoice, which indicates that the product is
within the warranty period, must be presented to obtain warranty service. Lockin Pty Ltd trading as
Haltech suggests that the purchaser retain the dealer’s dated bill of sale as evidence of the date of
retail purchase.
If the HaltechTM Programmable Fuel Injection System is found to be defective as mentioned above, it
will be replaced or repaired if returned prepaid along with proof of purchase. This shall constitute the
sole liability of Lockin Pty Ltd trading as Haltech.
To the extent permitted by law, the foregoing is exclusive and in lieu of all other warranties or
representations, either expressed or implied, including any implied warranty of merchantability or
fitness. In no event shall Lockin Pty Ltd trading as Haltech, be liable for special or consequential
damages.
DISCLAIMER
Haltech will not be held responsible for any damage caused by the incorrect installation or tuning of this
product. It is the installers responsibility to ensure the wiring connections and pinouts match that of the
vehicle the unit is being installed into.
Haltech has taken all care to make sure the connections match the specified vehicles listed, but variations
in wiring and connections on vehicles can occur and therefore this should be checked BEFORE the unit
is installed.
Haltech highly recommends installation and tuning of this product is to be carried out by a professional,
with an understanding on installing and tuning engine management systems.
Misuse of this product can destroy your engine.
WA RNING
This ECU is designed and sold for Racing use only. Using this product for street / road use may be
prohibited by law. Please check with your local vehicle authority before using this product.
GENERAL INSTALLATION WARNING
Avoid open sparks, flames or operation of electrical devices near flammable substances.
Always disconnect the battery cables when doing electrical work on your vehicle.
Do not charge the battery with a 24 Volt truck charger or reverse the polarity of the battery
or any charging unit. Do not charge the battery with the engine running as this could
expose the ECU to an unregulated power supply that could destroy the ECU and other
electrical equipment.
All fuel system components and wiring should be mounted away from heat sources,
shielded if necessary and well ventilated. Disconnect the Haltech ECU from the electrical
system whenever doing any arc welding on the vehicle by unplugging the wiring harness
connector from the ECU.
After completing the installation, make sure that there are no fuel leaks, and no wiring
left un-insulated in case a spark or short-circuit occurs and causes a fire. Also make sure
that you follow all proper workshop safety procedures. If you're working underneath
a jacked-up car, always use safety stands!
PLATINUM
Pro Plug-in Subaru MY01-05
Quick Start Guide
Congratulations on purchasing a Haltech Engine Management System.
This fully programmable Plug and Play product opens the door to virtually limitless
performance modification and tuning of your vehicle. Programmable systems allow you
to extract all the performance from your engine by delivering precisely the required
amount of fuel and ignition timing that your engine requires for maximum output under
all operating conditions.
This quick start guide will walk you through installation of the Platinum Pro ECU into
a vehicle. This guide is accompanied by the full service manual located on the software
CD provided with the ECU that you or your tuner will need to refer to before completing
your installation and configuration. The Manual is included in the software which can be
downloaded from the Haltech website www.haltech.com
Supported Vehicles
The Platinum Pro Plug-in Subaru MY01-05 ECU supports the following vehicles:
• Subaru WRX MY01-05 JDM,USDM,ADM
• Subaru WRX STI MY01-05 JDM,ADM
Supported Engine Code
• EJ20
Platinum Pro Plugin Subaru MY01-05 Kit Includes
• Haltech Platinum Pro Plug-in ECU
• Rear Auxiliary Connector and pins
• USB Cable
• Software CD
• Quick Start Guide
Optional Accessories ( Sold Separately )
• Rear Auxiliary Harness ( HT040003 )
• 3 Bar Map Sensor ( HT010104 )
• Air Temperature Sensor ( HT010200 )
Loaded Basemap
Your Platinum Pro Plug-in ECU has been programmed with a basemap to suit a
Subaru WRX running a EJ20 engine using the standard MAF sensor.
ECU Installation
To install your new Platinum Pro Plug-in to your Subaru WRX, please follow the
procedures below.
Please Note the following Installation photos based on:
Subaru WRX MY03 Australian delivered model
You will require the following tools
• Socket set with 10mm socket
• Cable Ties / 3M Velcro tape or similar
1. Locate your factory ECU. The ECU is located on the passenger side footwell under
the carpet and steel protection panel. To access the ECU fold back the carpet on the
passenger side footwell and remove the 4 x 10mm bolts holding the ECU protection
panel in place Lift off the plate to gain access to the ECU.
ECU Pinout
Figure 1 – ECU Location, Passenger side footwell
Figure 2 – ECU Protection panel under the carpet
2. With the ignition turned off, remove the 2 nuts securing the ECU to the vehicle.
Disconnect the 5 main harness connectors from the front of the ECU
Remove ECU from vehicle.
Figure 3 – Factory ECU mounted in vehicle
3. Fit the Haltech Pro Plug-in ECU to the vehicle making sure that you connect
the USB Cable and auxiliary plug (if required), the USB cable can be routed up
into the glove compartment for access and storage. Secure the Haltech ECU
to the mounting bracket using double sided tape and cable ties.
Figure 4 – Haltech ECU Mounted to Factory ECU Mount