Designed specifically for Toyota 2JZ engines (both VVT-i and non-VVT-i), the Haltech Elite 2500 IGN-1A Terminated Harness Kit provides a comprehensive engine management solution for performance builds and conversions. This kit includes a terminated engine harness tailored for IGN-1A coils, combined with the powerful Elite 2500 ECU offering advanced tuning, race functions, and full integration with the NSP tuning software.
Built for serious tuners, the package supports a wide range of fuel types, boost control strategies, and real-time data logging capabilities.
Note: For competition/off-road use only. IGN-1A coils not included—please order 6 × HT-020114 separately.
Key Features
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Purpose-Built for Toyota 2JZ Engines: Supports both VVT-i and non-VVT-i variants; designed for manual transmission applications only.
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High Output Ignition Support: Includes a dedicated pre-wired ignition harness for IGN-1A coils (coils not included).
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Comprehensive Engine Management:
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Drive-by-wire support (requires throttle conversion for factory ETCS-i units)
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Flex fuel tuning and closed-loop O2 control
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Dual channel knock control and high-speed logging
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Variable camshaft and idle control
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Race-Ready Functionality:
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Anti-lag, traction control, rolling launch, and flat shift
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Up to 6 stages of nitrous control
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4D closed-loop boost control with learning
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Data logging via onboard memory and laptop
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System Expandability: Dual CAN bus communication for Haltech dashes and CAN devices
Vehicle Applications
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Engine Compatibility: Toyota 2JZ-GTE / 2JZ-GE (VVT-i and non-VVT-i)
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Transmission Requirement: Manual transmission only
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Throttle Note: ETCS-i electronic throttle bodies require conversion to mechanical throttle or use of a Throttle Convert Kit
Kit Contents
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Haltech Elite 2500 ECU with DBW and race functionality
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Terminated engine harness with fuse block and firewall grommet
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Pre-wired IGN-1A coil ignition harness
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USB programming cable
Note: IGN-1A coils (HT-020114) are not included and must be purchased separately.