SKU:227-4000
WRX4X Plug-In ECU (Subaru WRX & STI V3-4)
The WRX4X Plug-in ECU is purpose built for the Subaru WRX V3-4, combining genuine plug-and-play convenience through direct factory fitment, OEM compatibility with Link's championship winning G4X architecture, advanced tuning and motorsport features. No wiring, no adapters, no compromises.
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Overview
Genuine plug-and-play convenience with modern G4X architecture, advanced tuning and motorsport features.
Purpose-built for the WRX Version 3-4 the WRX4X is designed to fit directly into the factory ECU location using the factory mounts, original wiring loom and connectors. No rewiring, no adapter looms, no compromises. It retains all factory functionality, delivers seamless OEM integration and includes a startup map to get your vehicle running quickly. The result is a clean, simple, reliable installation that maintains a stock appearance.
Link G4X Plug-in ECUs share the same processor, firmware, software and standard G4X feature set found throughout the G4X range. Features include dual CAN Bus, Flex Fuel, Flexible Engine Protection Limiters, CAN Keypad Control, Open and Closed Loop Boost Control, Dual Closed Loop Lambda, VVT Control, a built-in Trigger Oscilloscope, compatibility with aftermarket displays, Direct Automatic Transmission Control and 512MB of onboard data logging.
Drawing from Link's championship-winning G4X platform, the WRX4X also supports advanced tuning and motorsport features including Nitrous Control, Launch Control, Anti-lag, Cruise Control, Traction Control, Race Timer and Power Management, Gear Shift Control and Paddle Shift Control.
A Link Plug-in ECU is the ideal solution when available for your vehicle and the wiring remains in good condition, providing modern engine management without the complexity of a wire-in installation.
Models Supported |
The WRX4X is designed to suit the following applications: Subaru WRX Version 3, GC8D with EJ20 engine from 1996-1997. Subaru WRX Version 4, GC8E with EJ20 engine from 1997-1998. |
Important |
Please check your connector matches the header in the listed photo before purchasing. Designed for manual transmission vehicles. If you have an automatic model, please contact your local Link ECU reseller to discuss Direct Automatic Transmission Control compatibility. Air temp sensor highly recommended. Most factory features are supported. This ECU will need a modification before E-Throttle is usable. |
Features
Plug-in ECUs have all the standard G4X features along with advanced tuning and motorsport features including:
ECU Features | Dual CAN Bus E-throttle Control Flex Fuel Trigger Oscilloscope 3 Axis Accelerometer Selectable Temp Input Pullups Flexible engine protection limiters CAN Keypad Control VVT Control Open Loop Boost Control Closed Loop Boost Control Dual Closed Loop Lambda Direct Automatic Transmission Control Compatible with all leading aftermarket dashes via CAN or serial stream 512 Megabytes of internal data logging Note: This ECU will need a modification before E-Throttle is usable. |
Motorsport Features | Nitrous Control Launch Control Anti-lag Cruise Control Traction Control Race Timer and Power Management Gear Shift Control Paddle Shift Control |
Specifications
Plug-in ECUs combine all the premium G4X specifications with genuine plug-and-play convenience, including:
Inputs and Outputs | For the full list of Inputs and Outputs, please see the WRX4X Installation Manual |
Communications | 2 CAN Bus Channels LTW 6-Pin USB Tuning Connection |
Product Dimensions | 190mm(L)x160mm(W)x30mm(H) 7.48in(L)x6.30in(W)x1.18in(H) |
Product Weight | 260 grams (9.17 ounces) |
Electrical | Operating Voltage Range: 6.5-24V Maximum Input Voltage: 36V Maximum Continuous Current Draw: 3.5A |
What's in the Box | G4X Subaru WRX4X Plug-in ECU Anti-static Strap USB Tuning Cable - ECU to USB Link stickers Plug-in Manual Card Product Registration Card |
Choosing the Right ECU for Your Project
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G5 Voodoo Neo 6Click to Compare ECUs
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G5 Voodoo Neo 6Injection Drives
8
Injection Drives
8
Injection Drives
12§
Injection Drives can run DI via driver box
Injection Drives can run DI via driver box
Injection Drives can run DI via driver box
Ignition Drives
8
Ignition Drives
8â€
Ignition Drives
8
Auxiliary Outputs
10
Auxiliary Outputs
16â€
Auxiliary Outputs
6
+5V Sensor Power supply
+5V Sensor Power supply
+5V Sensor Power supply
+8V Sensor Power Supply
+8V Sensor Power Supply
+8V Sensor Power Supply
Unused Inj/Ign used as Auxiliary Outputs
Unused Inj/Ign used as a Auxiliary Outputs
Unused Inj/Ign used as an Auxiliary Outputs
Digital Inputs
10*
Digital Inputs
11â€
Digital Inputs
10§
Temperature Inputs
4
Temperature Inputs
4â€
Temperature Inputs
4
Analogue Inputs
11
Analogue Inputs
12â€
Analogue Inputs
3
Trigger Inputs
2
Trigger Inputs
2
Trigger Inputs
2
Knock Inputs
2
Knock Inputs
2â€
Knock Inputs
2
Unused Temperature and Analogue Inputs can be used as Digital Inputs
Unused Temperature and Analogue Inputs can be used as Digital Inputs
Unused Temperature and Analogue Inputs can be used as Digital Inputs
ADIO Dual Purpose
ADIO Dual Purpose
ADIO Dual Purpose
6
CAN Bus Channels
2*
CAN Bus Channels
2
CAN Bus Channels
2
Wi-Fi
Wi-Fi
Wi-Fi
USB Tuning Connection
LTW 6Pin
USB Tuning Connection
LTW 6Pin
USB Tuning Connection
USB-C
Ethernet/Power over USB
Ethernet/Power over USB
Fasle
Ethernet/Power over USB
Onboard Logging Memory
512MB
Onboard Logging Memory
512MB
Onboard Logging Memory
1024MB
Maximum Total Logging Rate
100kHz
Maximum Total Logging Rate
100kHz
Maximum Total Logging Rate
100kHz
Logging Channels
250
Logging Channels
250
Logging Channels
250
Global Positioning System (GPS)
Global Positioning System (GPS)
Global Positioning System (GPS)
E-Throttle control
Single
E-Throttle control
Singleâ€
E-Throttle control
Dual
Flex Fuel
Flex Fuel
Flex Fuel
Trigger Oscilloscope
Trigger Oscilloscope
Trigger Oscilloscope
3 Axis Accelerometer
3 Axis Accelerometer
3 Axis Accelerometer
Selectable Temp Input Pullups
Selectable Temp Input Pullups
Selectable Temp Input Pullups
1k or 10k Ω
Flexible engine protection limiters
Flexible engine protection limiters
Flexible engine protection limiters
CAN Keypad Control
CAN Keypad Control
CAN Keypad Control
VVT Control
VVT Control
VVT Control
Open or Closed Loop Boost Control
Both
Open or Closed Loop Boost Control
Both
Open or Closed Loop Boost Control
Both
Onboard Lambda Sensor Control
Onboard Lambda Sensor Control
Onboard Lambda Sensor Control
Single
Dual Closed Loop Lambda
Dual Closed Loop Lambda
Dual Closed Loop Lambda
Direct Automatic Transmission Control
Direct Automatic Transmission Control
Direct Automatic Transmission Control
Nitrous Control
Nitrous Control
Nitrous Control
Launch Control
Launch Control
Launch Control
Anti-Lag
Anti-Lag
Anti-Lag
Cruise Control
Cruise Control
Cruise Control
Traction Control
Traction Control
Traction Control
Race Timer and Power Management
Race Timer and Power Management
Race Timer and Power Management
Gear Shift Control
Gear Shift Control
Gear Shift Control
Paddle Shift Control
Paddle Shift Control
Paddle Shift Control
*2 Digital Inputs required when using 2nd CAN Bus.
—†Check Specific pinout for number of I/Os exposed.
Plug-in features and specifications shown are indicative of G4X Plug-in ECUs only and vary by application. For full features and specifications, refer to the specific product page.
§ 4 pins are multi-purpose Injection, Aux or Digital Input pins. Each pin can be either Injection, Aux. or Digital Input, not all at the same time.
—The table is going to need the following footnotes somewhere, preferably at the bottom:
‡ G5 Voodoo Pro has 12 inj, 8 ign, plus 4 multipurpose (inj, ing, aux) drives (24 total). †Check Specific pinout for number of I/Os exposed.
†Check Specific pinout for number of I/Os exposed.
# 4 pins are multi-purpose Aux or Digital Input pins. Each pin can be either Aux or Digital Input, not both at the same time.
* 2 Digital Inputs required when using 2nd CAN Bus.
§ 4 pins are multi-purpose Injection, Aux or Digital Input pins. Each pin can be either Injection, Aux. or Digital Input, not all at the same time.
Link ECU products should not be used where they interfere with a vehicle’s safety or emission control features. (no footnote symbol on this one).
