HONDA K SERIES

This is a Plug and Play Standalone ECU for the popular Honda K Series. It has Bluetooth connection (Bluetooth connection uses Serial 3) and a pinout for a wideband controller. The ECU case is 3D printed from either ASA or ABS which can withstand summer temperatures up to 80C. If aftermarket injectors are installed, it needs to be high impedance. The stock MAP sensor is used and good up to 160 kPa (8psi). The AC and Alternator control still works with this ECU. A free base tune is included and can run the engine, but FINAL TUNING is required. A separate wideband controller is a must to properly tune the engine. Every ECU is tested with an actual engine to test the functionality. To answer most FAQs about this ECU:

• Requires 02-04 engine harness. We used a Tucked Swap K20 Engine harness and K-Series to EG Chassis Adapter for testing
• If 05-06 harness is used, a 05-06 to 02-04 harness adapter is required
• Only works with K-Swap cars due to OBD2, CANBUS and K-lines are not available
• Uses Tunerstudio as the Tuning Software
• VTC, VTEC and Triggers all work
• AC switch and Tachometer output needs to be wired
• OEM Wideband and narrowband sensors will not work. Aftermarket wideband controller kit is required
• On-Board Data Logging is done via Bluetooth and an Android APP either Realdash or MSDdroid
• 02-04 vehicle speed sensor is required. If 05+ countershaft speed sensor is used, it must be converted to low frequency first before wiring to ECU
• Only for manual transmission and throttle cable driven
• Can be used for automatic and Drive-By-Wire in Piggyback setup

K24 base map will be installed by default. A custom firmware is installed at the time of purchase, DO NOT UPDATE THE FIRMWARE! Visit the Documentation Page to check the Base Map and INI file and more information about this ECU.

ECU Features:

• Flex Fuel support for ethanol fuel (E85)
• Bluetooth connectivity to aftermarket dash or Android Tablet/Laptop
• Switched Dual Maps
• Launch Control/Flat Foot Shifting
• Closed Loop Boost Control
• Water Methanol Injection
• Boost by Gear

Disclaimer. Speeduino is open source and owned/maintained by Josh Stewart. It is constantly growing and features are added in future updates. For off road use only.