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Haltech

Elite 2500 ECU Kit with Parallel Adaptor Harness

$2,747.65 $2,724.00 Save $23.65

SKU: HT-151341

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Overview

The Haltech HT-151341 is an ECU kit designed for the Lexus IS300 with the 2JZ GE VVTi engine from 2002-2005. This kit features the Elite 2500 ECU and includes a parallel adaptor harness. It supports parallel (piggy-back) installation in conjunction with the factory ECU for both automatic and manual transmissions.
Show original supplier description
The Haltech Elite 2500 ECU kit (HT-151341) is specifically designed for a parallel (piggy-back) installation on 2002-2005 Lexus IS300 models equipped with the 2JZ GE VVTi engine and either automatic or manual transmissions. This kit includes the powerful Elite 2500 ECU, known for its robust, environmentally sealed waterproof case and advanced features. The Elite 2500 ECU offers extensive engine calibration capabilities, including drive-by-wire throttle control, intake and exhaust cam control, short and long-term map learning, and dual-channel knock control. It supports a wide range of engine configurations, from 1 to 12 cylinders and 2 to 4 rotors, and can handle naturally aspirated or forced induction setups. The included Elite Software Programmer (ESP) provides an intuitive interface for tuning. The kit comes complete with the Elite 2500 ECU, a parallel adaptor harness, a USB programming cable, and a software CD. This system allows for precise control over fuel and ignition timing to maximize engine performance under all conditions. Advanced features include low impedance injector control, flex fuel capability, closed-loop O2 control, dual-channel knock control, and variable cam control for up to four camshafts. It also supports on-board and laptop data logging, dual CAN bus communication for Haltech dashes and expansion devices, and supports OEM CAN & OBDII functions. Additionally, it offers race-specific functions such as anti-lag, launch control, traction control, and advanced boost control. It is important to note that Haltech products are designed and sold for sanctioned off-road/competition non-emissions controlled vehicles only and may never be used on a public road or in a manner that violates emissions regulations.
Vehicle Symptoms
  • Engine stalling or rough idle after cold start
  • Loss of power under load or acceleration
  • Check Engine Light on with drivability issues
  • Poor fuel economy or rich/lean running condition
  • Transmission shifting erratically or failing to shift
Relevant Conversations
  • 2002 Lexus IS300 rough idle stalling ECU upgrade
  • IS300 2JZ GE VVTi piggyback ECU install guide
  • Haltech Elite 2500 IS300 parallel harness review
  • IS300 drive by wire throttle control aftermarket ECU
  • Best ECU for 2005 Lexus IS300 2JZ VVTi
  • IS300 misfire P0300 no spark or ECU issue forum
  • Comparing Haltech 2500 vs Link ECU for IS300
  • IS300 cam control tuning with standalone ECU
  • What ECU does my 2004 IS300 need for turbo build
  • Lexus IS300 ECU replacement with parallel adaptor kit

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandHaltech
Part NumberHT-151341
CategoryIgnitions and Electrical

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