This Plug’n’Play kit combines the powerful Haltech Elite 2500 ECU with an injection-molded adaptor harness, offering a seamless ECU upgrade for select JDM Toyota models equipped with the 1JZ-GTE VVT-i engine. Designed to work with the factory wiring, it drastically reduces installation time while unlocking full engine tuning and race function potential.

Note: Installation will disable the factory TRC and ETCS systems. Dash warning lights will remain illuminated unless bulbs are removed.

Key Features

• Vehicle Compatibility:

  • Toyota Mark II, Chaser, Cresta JZX100 1JZ-GTE VVT-i (JDM)

  • Toyota Soarer JZZ30 1JZ-GTE VVT-i (Model Years 1996–2001)

  • Manual transmissions only

• Direct ECU Upgrade:

  • Plug 'n' Play integration with the OEM engine harness

  • Retains essential OEM connections while enhancing control

Included Components

• Haltech Elite 2500 ECU with Drive-by-Wire and Race Functions

• Plug 'n' Play Adaptor Harness (injection-molded plastic)

• M14 x 1.5 Air Temperature Sensor with matching plug and pins

• 16-Pin Auxiliary I/O TYCO Plug and Pins

• USB Programming Cable

• Quick Start Guide

• ECU Software and Manual (via CD or USB)

Advanced ECU Capabilities

• Full DBW support, flex fuel tuning, and knock control

• Closed-loop dual O2, launch control, anti-lag, and traction control

• 4D tuning with per-cylinder corrections and long-term learning

• Real-time laptop data logging and internal memory logging

• Dual CAN Bus support for Haltech dashes and OEM CAN/OBDII

• Full nitrous control, boost control, and sequential turbo management

• Input support for shock travel, ride height, and drag-specific race functions

Vehicle Applications

• Toyota Mark II / Chaser / Cresta JZX100 1JZ-GTE VVT-i (JDM)

• Toyota Soarer JZZ30 1JZ-GTE VVT-i (1996–2001)

• Manual transmission vehicles only