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TC3 Series Traction Control 

www.moretraction.com 

TC3 Options

 

 

The TC3 Series traction control can be in the form of 
either Davis Technologies’ Non-Self Learning 
Traction Control (TC-3)

Self-Learning (TC3-SL) or 

the most advanced version (TC3-SL-Pro) which 
gives individual control of the sensitivity and retard 
in different sections of the track.  One set of 
parameters for the launch, another for the 60’, and 
another from the 60’ to the shift, and so on.  The 
number of zones is unlimited.  The TC3-SL-Pro also 
includes a Run Curve to control timing after the 
launch.   
 
Contact Davis Technologies for more information on 
how to add the optional features. 
 

 
 

Example Screen Traction Control 

Traction

Control

Correction

Mode

Hold

Spread

Armed

Only

Max SD

Back

5

3

100

Disabled

0

Max 

Degrees

Ramp In

Start
RPM

100

250

100

 

 

 

Summary of Contents for TC-3 Series

Page 1: ...WWW MORETRACTION COM Traction Control System...

Page 2: ...y Publication and redistribution of this manual over the Internet or in any other medium without prior written content is expressly forbidden In all cases this copyright notice must remain intact and...

Page 3: ...3 Options 12 Self Learning Traction Control 13 Wheelie Control add on purchased separately 14 Installation 15 Wiring 16 Pin Out 18 Schematics 19 Digital Ignition Controller DIC 19 MSD Grid 20 Holley B...

Page 4: ...Firmware Updating 42 Appendix A 43 Appendix B 44 Appendix C 47 Appendix D 49 Holley EFI Config 49 FuelTech Config 51 Analog Config 52 Appendix E 53 Using Profiler Software for Data Log Download 53 Dis...

Page 5: ...4 TC3 Series Traction Control www moretraction com THIS PAGE LEFT BLANK...

Page 6: ...utches etc the product s performance is based largely on your ability to use it properly Testing in controlled circumstances will help you determine the proper settings for your application and your s...

Page 7: ...th many other Davis products such as the Profiler PFEFI Smart Relay Digital Ignition Controller and the VPS The Remote Display does not need to be plugged in for the TC3 to function it may be used onl...

Page 8: ...m The user does not need an EFI system to use the TC3 for Traction Control This can be useful for updating an older technology race car with some of today s latest technology The Digital Ignition Cont...

Page 9: ...o correct larger slips while not reacting to smaller harmless slips This means the user does not have to figure out the desired DS Engine RPM and build a preset Dot Plot anybody got a crystal ball Sel...

Page 10: ...overall sensitivity of the system to make a correction based the extent of the tire slip By adjusting the sensitivity the user can tune the system to correct larger slips while not reacting to smaller...

Page 11: ...sufficient In those cases SmartDrop control may also be implemented to add further power reduction to control the tire When the TC3 is connected to a Davis Technologies Digital Ignition Controller up...

Page 12: ...nsity with Level 1 being the softest and Level 4 being the Harshest Level 1 will drop 1 of 8 cylinders and the cylinder dropped will fire 7 more times before being dropped again Level 2 will drop 2 of...

Page 13: ...retard in different sections of the track One set of parameters for the launch another for the 60 and another from the 60 to the shift and so on The number of zones is unlimited The TC3 SL Pro also in...

Page 14: ...TC is extremely useful for all type of racing especially No Prep since there are few opportunities to get the system dialed in Self Learning is not recommended for use in normal driving such as may oc...

Page 15: ...ptical sensor outputting 0 5v The much preferred method of Wheelie Control is through the use of a Davis Technologies VPS which measure vehicle pitch not height However if you already have a ride heig...

Page 16: ...nit should be mounted away from any sources of electrical noise or high heat It is recommended to connect the power and ground leads for the traction control directly to the ECU when possible to reduc...

Page 17: ...t a recording when released The TC3 SL Pro also uses the TB signal to start a run when using individual zone settings and the Run Timing Curve The TB signal can be a positive or negative trigger An ar...

Page 18: ...g with spare pins A special tool is recommended for pin removal Molex 63824 4600 CT15 however a 025 round pin may work If pins are removed the lock tab will need to be bent back into place if reinstal...

Page 19: ...18 TC3 Series Traction Control www moretraction com Pin Out...

Page 20: ...Sync in Tan pin 6 Arming Switch 1 5 8 6 4 9 Orange pin 11 DS RPM Output 11 Trans Brake and arm switch can optionally be connected to ground source Connect power and ground to same source as ECU TC 3 p...

Page 21: ...itch 1 5 8 6 4 2 Orange pin 11 DS RPM Output 11 Trans Brake and arm switch can optionally be connected to ground source Connect power and ground to same source as ECU Pins 2 3 7 9 10 12 for optional f...

Page 22: ...PM Output 11 Trans Brake and arm switch can optionally be connected to ground source Pins 11 13 14 connect to Holley F type frequency input Connect power and ground to same source as ECU Pins 2 3 7 9...

Page 23: ...75 throttle Trans Brake signal via Holley Output configure internal channel to follow Trans Brake Pins 11 13 14 connect to Holley F type frequency input Pins 2 3 7 9 10 12 for optional future use Pin...

Page 24: ...tch can optionally be connected to ground source Pins 11 13 14 connect to any White input configure in FT manager Connect power and ground to same source as ECU Pins 2 3 7 9 10 12 for optional future...

Page 25: ...of the unit to run some simple test This method will allow you to test the output of the Timing Retard and SmartDrop outputs as well as RPM signal in To activate the test follow these steps Press and...

Page 26: ...how to configure the various settings and options NOTE ALL SETTINGS SHOWN ARE FOR EXAMPLE ONLY INDIVIDUAL SETTINGS WILL VARY Remote Display Screens Buttons in Black are features that are not licensed...

Page 27: ...nd allows access to other Menus TC3 Series Corrections Run Curve SmartDrop SL TC Chg Profile Utilities Main Home Run Curve is used to enable disable the Run Timing Curve after TB release TC3 SL Pro On...

Page 28: ...s Traction Control www moretraction com SmartDrop is used to Enable Disable the SmartDrop cylinder cut feature Green ENABLED Red DISABLED SmartDrop ENABLED DISABLED Save Enable Disable SmartDrop Defau...

Page 29: ...TC ENABLED DISABLED Save Enable Disable Self Learning Default ENABLED TC3 SL and TC3 SL Pro Only Chg Profile is used to recall saved configurations from the SD card Chg Profile PROFILE2 Back PROFILE4...

Page 30: ...pressed the TC3 will drop cylinders up to the maximum set in the Max SmartDrop settings Test Outputs SmartDrop Back Timing The Test Inputs screen is used to test various inputs of the system The red b...

Page 31: ...ner Speed Racer Last Updated 12 30 21 10 07 EFI Module 2020 11 19 Back Chg Profile is used to recall saved configurations from the SD card Chg Profile PROFILE2 Back PROFILE4 PROFILE1 PROFILE3 PROFILE5...

Page 32: ...hese menus Main Profiler Analog Input Traction Control Settings Back Profiler When features such as Self Learning TC3 SL or Run Curve TC3 SL Pro are enabled The Run Curve and SL TC buttons are active...

Page 33: ...SL Pro Only Green ENABLED Red DISABLED Run Curve ENABLED DISABLED Save Enable Disable Run Curve Default DISABLED TC3 SL_Pro Only SL TC is used to Enable Disable the Self Learning strategy if activate...

Page 34: ...h an optical ride height sensor or analog pitch sensor The blacked out buttons would be active if the Davis Technologies Wheel Control strategy were installed optional add on Analog Input Correction D...

Page 35: ...f the system The larger the setting the more sensitive thereby making corrections on smaller slips Range is 1 9 default 5 Mode Save 5 Adjust to Desired Sensitivity of Traction Control Higher Values Mo...

Page 36: ...on will reach maximum The correction is linear so if the RPM spike only reaches 50 of the spread then only 50 of the max correction will be allowed Spread Save 1 5 0 RPM Spread to Reach Maximum Correc...

Page 37: ...uired to allow corrections If Enabled the Arm switch must be on to allow corrections If Disabled the corrections will be made anytime slip is detected An arming switch and Enabling this feature allows...

Page 38: ...the correction spread setting So if spread 150 then SmartDrop will increase every 75 RPM The SmartDrop will only increase in level to the Max SD Limit SmartDrop 0 Retard Only Example correction sprea...

Page 39: ...action Control Is Active Ramp In is the rate at which timing retard is restored after a correction has ended Ramp in is calibrated in deg per sec A value of 100 restore rate will take 1 sec to restore...

Page 40: ...s CAN Base Address Back 4 RPM Pulses Per Rev 32 CAN Bus Frequency 1000 RPM Pulses Per Rev needs to be set to the number of pulses output per revolution of the measured shaft Example Davis DSRPM ring w...

Page 41: ...formation in appendix C The CAN Base Address may be used to resolve addressing conflicts should they arrive due to 2 systems using the same base address Davis Technologies devices are set by default t...

Page 42: ...ital Ignition Controller and most EFI systems Simply tying into these devices network may provide sufficient signal control If termination resistor is not available lower speeds may be used with excel...

Page 43: ...possible functionality of the system These are typically installed using the USB connector and the supplied USB cable Instructions for this procedure will be included in the firmware update file locat...

Page 44: ...ction com Appendix A The TC3 data can be recorded on a RacePak via a V Net module RacePak part 230 VM 5VDIFF can be used to record 1 channel approx 160 RacePak part 230 VM USM can be used to record 4...

Page 45: ...44 TC3 Series Traction Control www moretraction com Appendix B CAN Transmit Detail...

Page 46: ...45 TC3 Series Traction Control www moretraction com...

Page 47: ...46 TC3 Series Traction Control www moretraction com...

Page 48: ...moretraction com Appendix C The Profiler PC Software interface may be used to set some parameters of the TC3 The Systems options window can be used to set input polarity of the Arm and Trans Brake Sy...

Page 49: ...48 TC3 Series Traction Control www moretraction com The Traction Control window can be used to set most parameters of the TC system if desired...

Page 50: ...ion Control ICF using the Toolbox icon and select Profiler w SmartDrop This will create the required input Pins Drag the Inputs to the desired F type frequency pin and connect the corresponding TC3 ou...

Page 51: ...Inputs Configure the ARM output TC3 Arm to trigger at 80 throttle position and the TB Sync output TC3 Launch to trigger whenever TB button is pressed It is also very useful to set up a Data Monitor Wi...

Page 52: ...ialog in the FT Manager software Set one pin up as Davis Profiler Input and one as Davis SmartDrop Input Simply connect the corresponding TC3 output to the appropriate pins The FuelTech EFI is now con...

Page 53: ...ming This is common for Boost Control via a MAP sensor If the Boost Retard feature is not being used the TC3 can utilize this built in feature Many EFI systems also have Generic Inputs that may be con...

Page 54: ...3 can log the DSRPM and timing changes made during a run When using the TC3 SL Pro this is also where you can set up the Zone specific parameters and Run Curve Refer to the Help file in the PC Softwar...

Page 55: ...thout limitation the loss of life or limb or damages due to bodily or personal injury which may arise or result from the sale installation or use of any of its products and parts It is the user s resp...

Page 56: ...Disclaimer is held to be illegal invalid or unenforceable under present or future law such provision shall be fully severed from the Disclaimer and this Disclaimer shall be construed and enforced as i...

Page 57: ...56 TC3 Series Traction Control www moretraction com Notes...

Page 58: ...57 TC3 Series Traction Control www moretraction com Notes...

Page 59: ...l www moretraction com Contact Information Technical support and sales may be reached at Davis Technologies LLC PO Box 8250 Asheville NC 28814 828 645 1505 828 645 1525 fax email support moretraction...

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