Honda Civic Link HC92X PlugIn ECU

Easy to install, affordable & reliable

G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximise the potential of your car.
This ECU fits inside the factory OEM enclosure. Installation is a breeze, with no alteration of the factory wiring loom required for the models listed below.

Designed for the 1992-1995 Honda B16 and B18 engine. All models that use the Honda “OBD1” ECU.

Please check that your connector matches the header in the listed photo before purchasing.
This ECU works for manual transmissions only.
No onboard MAP sensor.
Knock control is not available on this ECU.
Most factory features are supported.

Suitable Applications

• 1992-1995 Gen 5 Honda Civic DX/LX/EX/Si
• Acura: 92-95 Integra RS/LS/GS/GS-R
• Honda: 90-95 Accord DX/LX/EX
• 93-95 Del Sol S/Si, 94-95 Del Sol VTEC
• 90-91 Prelude Si & 92-95 Prelude S/SE/Si/VTEC

Expansion Connector Inputs/Outputs

The following expansion connector inputs/outputs are provided:

Expansion Connector 1

• Gnd - Sensor Ground Only
• +5V Out - Low Current +5V Supply
• Volt 5 - Analogue 0-5V input
• Volt 6 - Analogue 0-5V input
• Aux 7 - Auxiliary output (0.5A current MAX)
• Aux 8 - Auxiliary output (0.5A current MAX)
• Volt 7 - Analogue 0-5V input
• Temp 3 - Temperature sensor input

Expansion Connector 2

• Ign 5 - Ignition 5 Auxiliary Output
• Ign 6 - Ignition 6 Auxiliary Output
• Ign 7 - Ignition 7 Auxiliary Output
• Ign 8 - Ignition 8 Auxiliary Output
• DI 9 - Digital Input
• DI 10 - Digital Input
• Volt 8 - Analogue 0-5V input
• Volt 9 - Analogue 0-5V input

G4X PlugIn Key Features (where applicable)

• Up to 6D fuel and ignition mapping
• Precision closed-loop cam control (four cams, independent control)
• Sequential fuel delivery
• Digital triggering, all OEM patterns
• OEM idle hardware supported
• 5D boost control with three switchable tables
• Motorsport features - anti-lag, launch, flat shift
• Continuous barometric correction (onboard)
• CAN port
• Quick Tune - automated fuel tuning
• Individual cylinder correction
• USB tuning cable included
• Stats recording into on-board memory
• Gear compensations for spark, boost and fuel
• Real time selectable dual fuel, ignition and boost maps
• Sync and crank sensors can be a combination of Hall effect, variable reluctance or optical
• Boost control referenced to gear, speed or throttle position
• 512 megabytes of data logging memory
• Staged injection
• Knock with "windowing"

I/O Expansion Options

There is no separate expansion connector on the TT Link. Expansion pins are accessible through the main header, listed below.

• Pin 110 - Temp 3
• Pin 111 - Volt 10
• Pin 112 - DI 9
• Pin 113 - Ign 6

Link Honda CIVICLink - HC92X

• G4X PlugIn ECU
• Wiring and Installation Instructions
• Stickers