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With the hand-held powered off, insert the micro SD card into the slot located on the side of the controller.

  Once the controller is powered on, it will scan for a new software update.  If found, it will automatically update the 

firmware to the latest version.  Once complete, reboot the controller.

 

  To update the controller firmware, follow the above steps.  However, you must navigate to the Contr. Settings 

menu, select Controller Info, and then select update firmware. If you have more than one firmware update 
available, you will have to select the latest one.

 

 

 

Chapter 5   System Operation & Testing 

 
 

PRESTART CHECKLIST 

Before starting the engine, double check for leaks, proper wire routing, any wiring hazards, loose nuts, and bolts.  
This is a great time to visually inspect the overall NOS Mini 2-Stage Progressive Nitrous Controller install. 
 

 

Verify Wiring. 

 

White wire is connected to a switched 12V source from the battery or fuse box 

 

Small Black wire is connected to a clean ground 

 

Green wire is connected to a tach signal input 

 

White/Red & White/Blue wires are connected to TPS or a microswitch 

 

Large Black wire is connected to a different ground than the small black wire 

 

Large Red & large Blue wires are connected directly to the solenoids 

 

Solenoids are powered via a 12V relay 

 

Orange & yellow outputs (if used) are connected to the proper locations 

 

Hand-held powers up 

 

Nitrous parameters have been programmed and TPS Autoset along with the ramp builder have been completed 

 

All wiring has been tied away from potential hazards such as the exhaust, fans, and pulleys 

 

5.1 Initial Testing & Verification 

TPS Autoset (if using TPS to 90% for activation)   

Before firing the engine, perform the TPS Autoset.  Navigate to the TPS 

isters a TPS voltage (a 

drive-by-wire throttle body or throttle positon sensor will see some type of voltage at the resting state).  Press start and press 
the throttle pedal to the floor.  The controller will record the voltages and save them.

 

First Startup   

With the hand-held on the home screen, crank the engine and look for RPM.  It should register and match 

what the engine is doing.  If your engine RPM and hand-held RPM do not match, your 

RPM Signal Type

 is incorrect and 

needs to be changed.  

Summary of Contents for 25973NOS

Page 1: ...allation improper operation lack of reasonable care or all previously stated reasons resulting from incompatibility with Nitrous Oxide Systems Inc assumes no responsibility or liability for damages incurred by the use of products manufactured or sold by Nitrous Oxide Systems Inc on vehicles used for competition or racing Nitrous Oxide Systems Inc neither recommends nor condones the use of products...

Page 2: ...rtain gases such as oxygen and nitrous oxide may combine to produce a highly flammable condition Never interchange nitrous and fuel solenoids Failure to follow these simple instructions can result in extreme engine damage and or personal injury Never drop or violently strike the bottle Doing so may result in an explosive bottle failure Never change pressure settings of safety relief valve on the n...

Page 3: ...2 System Setup TPS Autoset 9 3 3 3 System Setup Stage 1 Stage 2 9 3 3 3 1 Stage 1 Stage 2 Setup 9 3 3 3 2 Stage 1 Stage 2 Graph 11 3 3 3 3 Stage 1 Stage 2 Configuration 11 3 4 Save Load Tune 12 3 5 Controller Setting 13 3 5 1 Touch Calibrate 13 3 5 2 Controller Info Firmware Upgrade 14 3 5 3 Dash Setup 14 Chapter 4 Hand Held Firmware Update 14 Chapter 5 System Operation Testing 15 5 1 Initial Test...

Page 4: ...tc A progressive 2 stage nitrous system works by pulsing each set of solenoids for a user defined start time cycle time and duration This NOS Mini 2 Stage Progressive Nitrous Controller allows the user to drive the solenoids at different times to tailor power delivery to the engine as needed The user can choose to utilize a window switch RPM a throttle position sensor TPS and or a microswitch to t...

Page 5: ...a rising or falling voltage The signal type is selected in the software configuration If you are not sure which wire this is consult a factory service manual NOTE CH 1 CH 2 trigger input wires can be used together or separate on the TPS sensor 6 The YELLOW ORANGE re programmable in the software for various purposes such as activating a timing retard etc These have different programmable output tha...

Page 6: ... of it to prevent shorting out Option 1 Pin Removal Recommended Method Required tools Small flat head screw driver Pin removal tool 567 101 Procedure 1 Use a small screwdriver or other prying tool to gently remove the protective cover from the back of the connector NOTE Be careful not to over extend the tabs on the cover or it will not securely fasten during reinstallation 2 Gently insert 567 101 ...

Page 7: ... the heat shrink a small pull to verify that it is solidly attached Chapter 3 Hand Held Setup 3 1 Home Screen The main screen of the NOS Mini 2 Stage Progressive Nitrous Controller displays the engine RPM Bottle Pressure if equipped Stage 1 Stage 2 activation RPM via colored bars Blue Stage 1 Yellow Stage 2 and Stage 1 Stage 2 ON OFF display ON is only displayed when the solenoids are actively bei...

Page 8: ...Outlet Coil Pack Systems Note Use this setting to expand the RPM range higher than 9900 For example on a 4 cylinder motorcycle this will allow for a higher maximum RPM window In this mode the control can be set at 3000 and 6000 which will activate at 6000 and 12000 This can only be done if the application is NOT a waste fire ignition system 2 12 cylinder engines when the tach wire is connected to ...

Page 9: ...noid 3 3 3 1 Stage 1 Stage 2 Setup The setup menu contains the settings which allow you to enable or disable the stage adjust activation and deactivation RPM and enter the Ramp Builder App Enable Disable Stage When a stage is disabled the stage will no longer activate the bar displayed on the RPM gauge will be removed and the menu selections for the stage will also be removed until the stage is re...

Page 10: ... tailor power delivery to activate when the power can be used most effectively i e delay the nitrous until after launching etc Ramp Time Time in seconds that the ramp builds to the End The more time added here the stage activation will become 0 seconds here will fully activate the stage all at once settings such as start and end will become invalid and not used Stage Duration Time in seconds that ...

Page 11: ... ramp that has been programmed In reset mode the ramp will start over from the beginning when the trigger has been deactivated and reapplied In resume mode once the trigger is deactivated and reapplied the ramp will return to the last point that the system was active and continue the ramp from that point TPAS Mode Throttle position activation switch mode Changes the type of throttle input Choose f...

Page 12: ...r you can choose to allow the software to save under the default name Once complete press OK Your tune is now saved to the SD card Downloading Tunes from NOS Visit https www holley com support nitrous_oxide_systems or alternately visit the product page of your specific kit Download desired tune Insert SD card into computer Save desired tune into the TUNES folder found on the SD card If the tunes f...

Page 13: ...creen 3 5 1 Touch Calibrate If you are having issues with the touch screen not responding or selecting the wrong thing please run the touch calibrate app This will guide you through the process and when successfully complete will calibrate the hand held to more accurately sense the stylus Upload Tune to Controller Delete Tune from SD Card Calibrate the Touch Screen View Controller Info Update firm...

Page 14: ...then select update firmware If you have more than one firmware update available then you will have to select the latest one 3 5 3 Dash Setup The main screen which displays the RPM gauge and bottle pressure can be changed to suit your vehicles min and max RPM limits If you do not have the optional 15661NOS bottle pressure transducer kit you can disable the bottle pressure display in the dash setup ...

Page 15: ... to a tach signal input White Red White Blue wires are connected to TPS or a microswitch Large Black wire is connected to a different ground than the small black wire Large Red large Blue wires are connected directly to the solenoids Solenoids are powered via a 12V relay Orange yellow outputs if used are connected to the proper locations Hand held powers up Nitrous parameters have been programmed ...

Page 16: ...TECHNICAL SUPPORT 1 866 464 6553 NOS Nitrous Oxide Systems Inc All rights reserved Tous Droits Réservés 199R11937 Revision Date 10 17 19 ...

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