aRacer RCMini5 Features & Options Guide

By Casey Uy / February 18, 2019

aRacer RCMini5 Standalone ECU

aRacer RCMini5 is the all in one standalone ECU designed for daily commuters to track riders. The RCMini5 can be used for a stock level or modified vehicles. This is an all-new design that features wireless monitoring and tuning capabilities. With this new method, making adjustments on the fly has never been easier. Today we are going down the list of available options and features, the ones you will most likely be using and our favorites! This is not limited to the vehicles below.

aRacer Smart App Bluetooth Pairing

Before we get started listing out each option, let’s get your Bluetooth going. This assumes you have already installed your aRacer on your vehicle. The first thing required is the aRacer Smart App which can be downloaded via your Android or iPhone (Smart App Lite or Smart App). Once the Smart App is installed, load it and we will start by allowing Bluetooth setting for android or apple phones.

Swipe open the Side Panel>Settings
Select Bluetooth Auto ON to pair device and turn your vehicle ignition to ON
Select the bLink module and pair with the default pin (0000)
- A single Blue flash will show that it is paired
- A double Blue flash will show that it is unpaired
- A red light on will show a bLink connection
- A red light quick flash will show the bLink unconnected

Features & Options

Monitor Lite

A simplified overview of the vehicle
Easy to use monitoring from temperature to speed
Variable engine monitoring selection
Select and hold to change specific sensor readings
Several different parameters for tuning or engine monitoring

Monitor Pro

A more advanced monitoring screen
Fully adjustable engine information
Variable engine monitoring selection
Select and hold to change specific sensor readings
Hold down and drag to rearrange sensor readings
Several different parameters for tuning or engine monitoring

Calibration

Completely adjustable vehicle settings to maximum potential or performance. This is the best way to dial in your motorcycle or UTV.
Vehicle calibration will require some knowledge and understanding.
It is recommended to understand what modifications your vehicle has or will have otherwise a tuner is highly recommended.

Fuel Base

An adjustment that increases by percentage starting from 100%
Variable engine monitoring
Easy to use value adjustment to richen or lean out the vehicle

Fuel Adjustment

Engine fuel adjustment graph
Variable engine monitoring
3D Fuel Correction for fuel via TPS and RPM
X-Axis Engine RPM
Y-Axis TPS (Throttle Position Sensor) in percentage
Green Area: Fuel adjustment in the percentage
Full AFR range should be 12-13.5
The graph can be marked and value adjusted up or down for fuel
The graph can be marked for smoothing and linearization
Adjustment factor and engine variable can also be changed

Fuel Acceleration

Enrich Fuel Setting for improved throttle response
Increase or decrease fuel acceleration

Spark Angle

Adjustment graph with individual values
Variable engine monitoring
X-Axis Engine RPM
Y-Axis TPS (Throttle Position Sensor) in percentage
Green Area: Spark angle in degrees
3D Spark angle correction
Advance or retard base spark angle by the degree
The graph can be marked and value adjusted
The graph can be marked for smoothing and linearization
Adjustment factor and Engine Variable can also be changed

RPM Limit

RPM Limiter adjustment for fuel cut off
Can increase or decrease maximum rev limiter

VVA Control

Variable Valve Actuation for RPM threshold adjustment
VVA is on when RPM is higher than the threshold

Dec Fuel Cut

On Deceleration, Fuel Cut Off
Off Deceleration, No Fuel Cut Off

Auto-Tune

Autotune Switch ON/OFF for automatic AFR adjustment
AF1 Wideband Module Required

WB O2 CL

AF1 Wideband Closed Loop ON/OFF
AF1 Wideband Module Required

Quick Shift

Quickshifton ON/OFF
ON: Disabled
OFF: Enabled
ShiftCutByFuel ON/OFF
ON: Fuel Cutting
OFF: Ignition timing retard
QuickShiftTension ON/OFF
ON: Compression Sensor when upshifting
OFF: Tension Sensor when upshifting
QuickShiftDown(ETC ONLY)
ON: Enabled
OFF: Disabled
Compression Threshold
An adjustable threshold for triggering Quickshifter
Tension Threshold
An adjustable threshold for triggering Quickshifter

Speed Gain

Speedometer correction for new tire size or sprocket change
Increases by .1 which is equal to a 10% increase or decrease

Coolant Fan

Fan activation temperature
Adjust activation temperature in Celcius

TPS Learn

Throttle Position Sensor learning will help readjust closed to wide open
If the throttle is wide open and TPS is reading less than 100%
Or throttle is not wide open and TPS is reading 100%
Use Learning Button for TPS correction

Malfunction Code

EFI Malfunction Codes
Malfunction Codes appear
Informative code details

Log View

Start Data Logging
Load previous Data Log
Data chart viewable
Log Views can be shared or deleted

Maps

Save Current Engine Maps
Optionable notes
Maps can be shared or deleted

Quick Burn

- - Flash ECU for Vehicle Model/Type
  - Select Vehicle Manufacturer
  - Select Vehicle Model (MSX125, RZR170 etc..)
  - Choose from different premade Maps
  - Select Goto Flash and press Yes to begin the flash
  - Allow ECU Flash to complete 100%
  - Once 100%, aRacer Smart will auto relink
  - Turn OFF the ignition power for a minimum of 10 seconds to complete the flash

Setting

Bluetooth Auto ON/OFF
- ON: Bluetooth will automatically turn on when Smart App is open
- OFF: Bluetooth will automatically turn off when Smart App is closed
- GPS Support: GPS_Speed and GPS_Altitude

Communication Key

Set Communication Key
Enter New Communication Key
Default Communication Key (888888)

News

- Latest in aRacer news from new products to activities
- Updates for new programs, software, and events

FAQ – From aRacer

- Q1: Why the Quick Burn cannot start?
- Q2: Why my iPhone cannot find the bLink?
- Q3: Why my phone doesn’t link to the bLink?
  - Please remove reconnect all connectors and to make sure they have good communication between each other.
  - Please go to the IOS settings and enable the Bluetooth function. Then connect to the bLinkin the aRacerSMART app. ( not from your IOS ).
  - Make sure there is no other device pair with the bLink.
  - Check the ECU and bLink, if they are both have power.
  - Make sure the wifi/service is good, and we can have the latest updated database.
  - Please use the proper model ECU for your bike, The aRacerECUs are not interchangeable.
- Q4: Why the tachometer is not working properly.
  - In the US, there are only 2014 Gen1 and 2016 Gen2 ECU in Grom market. The 2018 and up US Grom are still using 2016 MAP/ECU file. Please, quick burn the proper version for your bike.
- Q5: Why I can not see the change of the tuning?
  - The RC mini5 with autotune is tuning the hidden base map. The autotune will make the base map approach 13.3ish.
- Q6: How to troubleshooting?
  - Please properly do the Quickburnfirst. 80% of the issues can be fixed by the Quickburn.
  - If the ECU light is on but the bike is not running. It does not mean the ECU is broken. We need to update the firmware or the adjustment is not set properly.
  - Please contact your aRacerdealer for Tech support first, we will work with your dealer for all the tech support.