The Nexus Honda EP3 plug-in brings advanced control and wireless connectivity to your Honda Civic EP3.
Effortless Setup
Get up and running quickly using the intuitive Nexus Set-up Wizard.
Wireless Control
Connects directly via Bluetooth to the Haltech Connect App for easy adjustments and monitoring.
Future Proof
Expand your functionality easily with the optional expansion harness and CAN devices.
Simple Install
Supplied with a mounting bracket for easy fitment in the factory ECU location.
This Nexus Plug-in ECU is compatible with the following vehicles:
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Honda Civic EP3 (01-05), manual transmission only
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Honda Integra / Acura RSX DC5 (02-04), manual transmission only
Nexus Plug-in ECU includes
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Nexus Honda EP3 Plug-in ECU
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Air temperature + wideband expansion harness 2.5m (8') (HT-189000)
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Air temp sensor (1/8” NPT) (HT-010206)
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Aluminum weld on fitting 1/8 NPT-27 TPI for air temp sensor
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Mounting brackets and hardware
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2.5m vacuum hose and T-piece
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Haltech USB-C cable
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Quick start guide
Supported transmissions
OEM functionalities supported (notable ones)
Supports serial communications with the Multiplex Control Unit
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Coolant temperature display (dash)
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Battery warning light (dash)
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A/C request signal (climate control)
Supports serial communications with the Immobiliser
OEM functionalities not supported (notable ones)
Additional functionalities
Connections
Outputs
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4 x Ignition
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4 x Injection (peak and hold)
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8 x Digital Pulsed Outputs (DPO)
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9 x Low current DPOs (fixed functions)
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2 x Half Bridge Outputs (HBO) - eg DBW support
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2 x Fixed function HBOs
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1 x ECR output
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1 x 5V sensor supply
Inputs
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1 x Onboard MAP sensor (4 Bar)
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15 x Analog Voltage Inputs (AVI)
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2 x Engine Position Inputs (Trigger and Home)
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6 x Synchronised Pulsed Inputs (SPI)
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1 x Knock Inputs
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1 x Onboard Wideband Controller (NTK/LSU 4.9)
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1x Ignition Switch Input
Other
Communications
Serial communications
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Multiplex Control Unit
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Immobiliser light
Optional Accessories (sold separately)
• HT-189002 - IO Expansion Harness 2.5m (8’)
• HT-189003 - DBW Expansion Harness 2.5m (8’)
•HT-010746 - LSU4.9 Wideband Hardware Pack
