Hybrid Racing K Series User Manual

92-95 Civic EG / 94-01 DC Integra
K-Series Swap Conversion Wiring Harness V 4.0 Installation Manual
Harness Features:
 100% brand new connectors and pins.
 Integrates your K-series engine harness into
your chassis harness and ECU.
 Nylon braided sleeving for safety and cleanli-
ness.
 Data link connector
 Oxygen sensor relay
 Lifetime Hybrid Racing tech support at
support.hybrid-racing.com
Package Contents:
 Conversion wiring harness.
 Connectors.
 Zip Ties.
 Flyer with link to install guide.
 HR fresh Louisiana air.
Below you will find tips on how to install your new Hybrid Racing K-Series Conversion wiring harness.
*This harness may not be legal for highway use. Hybrid Racing is not responsible for any direct or indirect, actual or incidental expense attributed to
the use of any performance parts sold by Hybrid Racing LLC. Purchasers agree to all of the terms of this agreement upon the purchase of parts.
More information can be found at www.hybrid-racing.com.
Important!! Please read the entire install guide twice before starting
your installation. No, really it’s a good idea to read it twice before you
begin so everything goes smooth ;)
Recommend Tools:
 Wire Strippers
 Wire Snips
 Extra Zip Ties
 Solder & Soldering
Iron
 Heat shrinkable tub-
ing
 Electrical tape (This
is NOT an accepta-
ble material to cover
exposed wire core)
 Complete socket set
& ratchet
 Razor blade, knife
or scissors.
 Applicable chassis
wiring manual (for
trouble shooting)
 Voltmeter (for trou-
ble shooting)

Hybrid Racing K Series Specifications

General

Brand	Hybrid Racing
Model	K Series
Category	Automobile Accessories
Language	English

Summary

Introduction and Installation Notes

Engine Harness Selection

Lists compatible and incompatible engine harnesses for the K-Series conversion.

K-Series ECU Options

Hondata Kpro Compatibility

Details ECUs compatible and incompatible with Hondata Kpro.

Stock ECU with Immobilizer Removal

Explains the need for an immobilizer removal box for stock US ECUs.

JDM PRC ECU and AEM EMS

Notes requirements for JDM PRC ECUs and AEM EMS systems.

Quick Overview

Installation Steps Summary

Outlines the sequential steps for installing the wiring harness.

Install Guide

Firewall Preparation and Initial Routing

Steps for preparing the firewall, routing the engine harness, and disconnecting old harness wires.

ECU and Harness Integration

Instructions for installing the ECU and connecting the conversion harness.

Model-Specific Wiring Connections (OBD1)

Detailed wiring instructions tailored to OBD1 Civic/Integra chassis.

Model-Specific Wiring Connections (OBD2a)

Detailed wiring instructions tailored to OBD2a Integra chassis.

Model-Specific Wiring Connections (OBD2b)

Detailed wiring instructions tailored to OBD2b Integra chassis.

Charging Light and Fan Switch Connection

Connecting the wire labeled "charging light" and locating the fan switch wire.

Final Harness and ECU Connections

Connecting the C302 to C101, E plug to ECU, and securing components.

Interior Harness Routing and TACH Signal

Routing the harness to the driver side and connecting the TACH signal wire.

Engine Bay Wiring and Sensor Identification

Routing wires to the engine bay and identifying the GRN/WHT FAN SWITCH wire.

Coolant Temp and Brake Fluid Connections

Connecting the Coolant Temp and Brake Fluid sensor wires.

Primary A/F Ratio Sensor Installation

Secondary Oxygen Sensor Installation

Hondata KPRO Setup Guide

KPRO Setup Prerequisites and Connection

Outlines requirements before starting KPRO setup, including software and hardware.

Opening a Calibration File

How to open and select a calibration file within the K Manager software.

Modifying ECU Calibration Settings

Changing settings like immobilizer, emissions, and multiplexer in the ECU calibration.

Radiator Fan Control Configuration

Configuring KPRO to control the radiator fan based on temperature settings.

Uploading Calibration to the ECU

Process of flashing the modified calibration file to the ECU.

Data Logging and Error Code Monitoring

Using K Manager for real-time data logging and checking system error codes.

Clearing Diagnostic Trouble Codes (DTCs)

Steps to clear diagnostic trouble codes after fixing issues within the system.

Final Installation and Support

Install Charge Harness and Reconnect Battery

Finalizing the installation by connecting the charge harness and reconnecting the battery.

Trouble Shooting and FAQ's

Fuel Pump Not Engaging

Troubleshooting steps for when the fuel pump does not activate.

Car Fails to Crank or Start

Diagnosing issues when the car fails to crank or start after turning the key.

P0600 Error Code Explanation

Explains the P0600 code related to the multiplexor and KPRO compatibility.

Radiator Fan Operation Issues

Troubleshooting steps for non-functional radiator fans.

Coolant Gauge Not Working

Diagnosing issues with the coolant temperature gauge not displaying correctly.

Speedometer Malfunctions

Troubleshooting for a non-functional speedometer, including VTEC linkage.

Idle Surge Problems

Identifying and resolving idle surge problems, often related to the IACV.

A/F Sensor Error Codes (P1166, P0134)

Addresses error codes related to the A/F ratio sensor and its proper connection.

Car Cranks but Fails to Run

Steps to diagnose why the car cranks but fails to run, checking fuel, spark, and ECU.