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Nira i7x - User Manual

Nira i7x
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NIRA i7x
Handbook
NIRA i7x Handbook version pA7, August 2016

Table of Contents

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Summary

Installing NIRA i7 x

Crank Position Sensor (CKP) and Trigger Wheel

Details the installation of the Crank Position Sensor and Trigger Wheel.

Cam Position Sensor (CMP)

Explains the installation and function of the Cam Position Sensor.

Throttle Position Sensor (TPS)

Covers the installation and importance of the Throttle Position Sensor.

Manifold Absolute Pressure (MAP) and Intake Air Temp (MAT)

Details the installation and function of MAP and MAT sensors.

Boost pressure sensor (pre throttle pressure sensor)

Describes the installation of the boost pressure sensor for controlling boost.

Lambda Sensor

Covers the importance and installation of the Lambda sensor.

Ignition

Covers ignition control and coil power supply requirements.

Fuel Pressure Regulator (FPR)

Explains the role and installation of the Fuel Pressure Regulator.

Fuel Injectors

Discusses the importance and selection of fuel injectors.

Boost Pressure Actuator

Explains how NIRA i7x controls the boost pressure actuator.

Mounting NIRA i7 x in the Car

Provides instructions for securely mounting the NIRA i7x unit in the vehicle.

NIRA rk Software

Installation of NIRA rk

Outlines the system requirements and installation process for NIRA rk.

Starting the Engine

Provides guidance on safely starting the engine after installation.

Setting Up Parameters Offline

Crucial step to set up all engine parameters before going online.

Engine Setup -> Crank Cam

Essential settings for synchronizing crank and camshaft signals.

Engine Setup -> Engine Specifications

Details engine hardware specifications needed for calibration.

Engine Setup -> Fuel injectors

Configuring parameters for fuel injectors.

Injector offset

Adjusting injector dead time based on battery voltage.

Injector gain

Setting injector gain for calculating injection time.

Engine Setup -> Fuel Specifications

Compensating fuel amount based on fuel characteristics.

Mapping -> Fuel -> Basic

Core mapping section for fuel calibration.

Volumetric Efficiency Table

The primary table for fuel calibration, describing engine breathing.

Selecting load signal (Volumetric Efficiency Y-axis)

Choosing the appropriate load signal for the VE table.

Vol Eff Compensation Cyl 1-8

Compensating VE individually for each cylinder.

FM Lambda Target

Setting target lambda values for fuel mass calculation.

Mapping -> Fuel -> Injection Control

Adjusting injection timing parameters.

Mapping -> Ignition

Covers ignition timing tables and compensation.

Mapping -> RPM Control -> RPM Limit

Configuring engine speed limits for injection or ignition cut.

Going Online

Steps to connect the PC to NIRA i7x and upload settings.

Calibrate the Throttle Sensor

Step-by-step guide for calibrating the throttle sensor.

Go back to the Mappings tab

Final sensor checks and engine start procedure.

Quick Troubleshooting Guide

Provides solutions for common engine starting problems.

The Engine Won’t Start

Lists common causes and checks for an engine that fails to start.

Mapping your Engine Using NIRA rk

Comprehensive guide to mapping engine parameters with NIRA rk.

Calibrating Ignition

Guidance on the delicate process of calibrating ignition timing.

Calibrating Fuel

Detailed instructions for calibrating the fuel system using NIRA rk.

Engine Start Fuel

Configuring fuel settings for engine starting.

Volumetric Efficiency Comp Table

Using a table to compensate VE based on intake air temperature.

Volumetric Efficiency (VE) Table

The core table for fuel calibration, describing engine breathing.

Setting Up Appropriate X- and Y-axes

How to scale axes in the VE table for optimal calibration.

VE Range

Typical VE ranges for engines and identifying calibration errors.

Preparations before Adjusting the VE

Steps to take before adjusting the VE table for optimal results.

VE Calibration when Running the Engine

Procedure for calibrating VE while the engine is running.

Lambda Table

Setting desired lambda values for precise fuel control.

Adjusting Lambda

Fine-tuning lambda values by comparing sensor readings.

Auto Fuel Calibration

Utilizing the automatic fuel calibration function.

Step-by-step instructions

A detailed guide for performing Auto Fuel Calibration.

Synchronizing Injection Timing with the Camshaft

Timing fuel injection precisely with the camshaft cycle.

The Engine Runs Unevenly or Stalls

Troubleshooting guide for uneven engine running or stalling issues.

The Engine Runs Unevenly

Diagnosing and resolving uneven engine running problems.

Adjusting the Boost Pressure Control

Steps for calibrating and adjusting boost pressure control.

IAC - Idle Speed Control

Calibrating idle speed control for stable engine operation.

ALS - response system

Configuring the Anti Lag System for improved throttle response.

Launch Control

Configuring the launch control system for optimal take-offs.

Flat Shift

Implementing Flat Shift for quick gear changes while maintaining WOT.

Traction Control

Advanced function for optimizing traction by controlling torque.

Function

Explains the core function of the Traction Control module.

Setting up Traction Control

Essential steps for setting up traction control functionality.

Nira i7x Specifications

General IconGeneral
BrandNira
Modeli7x
CategoryController
LanguageEnglish

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