EFILive Duramax LBZ DSP5, User Manual

Page 1: ...Cindy Myers Duramax LBZ LMM DSP5 User Guide ...

Page 2: ...e AutoCal are registered trademarks of EFILive Limited All other trademarks belong to their respective owners Duramax LBZ LMM DSP5 User Guide 1998 EFILive Limited All rights reserved First published 03 October 2009 Revised 29 August 2018 ...

Page 3: ...tware 3 Overview 3 Requirements 3 Additional Support Resources 4 5 DSP Upgrade 5 What is EFILive DSP5 5 Upgrade the Operating System to DSP5 5 Wiring the DSP5 Switch 6 LBZ LMM ECM Connector Wiring Installation 8 Important DSP5 Parameters and Tables 9 A9136 A9236 A9336 A9436 DSP5 switching voltages 9 Monitoring DSP status in the Scantool 9 LBZ LMM DSP5 pin install guide 10 Wiring the DSP2 Switch 19...

Page 4: ...requisites Intended Audience EFILive Customers using the V8 Scan and Tune Tool software Computer Knowledge It is expected that readers have a basic understanding of The Windows operating system Starting and using Windows applications Navigating folders using Windows Explorer ...

Page 5: ...ftware support for this feature Software Overview EFILive presently has two major software versions V7 and V8 that implement different parts of the tuning and scanning process The V8 software is undergoing significant development and will eventually supersede V7 entirely for FlashScan V2 customers FlashScan customers must install both versions the following table displays software functionality Fe...

Page 6: ... assistance is required please contact the EFILive Authorised Reseller from whom you purchased your product They are your first point of contact for EFILive support related inquiries If your question is in relation to the actual tuning of your vehicle i e how to gain performance economy etc then please ask these questions on the EFILive Forum http forum efilive com EFILive does not provide support...

Page 7: ... a hardwired switch Users cannot switch tunes using FlashScan V2 or AutoCal like the LB7 LLY DSP5 programs can The ECM can be returned to GM factory condition at any time by reflashing a stock GM Operating System and calibration into the ECM using the Full Flash option On the LMM ECM the CVN changes to the ECM s Operating System will be logged by the ECM and be will visible by the TechII diagnosti...

Page 8: ...suitable settings you may need to copy your own tables in to the new DSP section s Once you have made the necessary changes to your individual tunes save the modified tune file and perform a Full Flash of the ECM using V8 Scan and Tune software NOTE DSP5 tunes cannot be read out of the ECM once flashed in Wiring the DSP5 Switch The DSP5 switch works by selecting different voltages for the ECM to m...

Page 9: ...de to the following pins Signal Connector 1 the larger plug pin 46 next to Grey wire LBZ Tan wire LMM Ground Connector 1 the larger plug pin 54 next to Yellow Black wire Note It may also be possible to make the ground connection in the cab rather than the ECM The part number for the connector pins is Tray 19 1928498135 ...

Page 10: ... Installation 1 Locate ECM Plug 2 Remove the Larger Plug 3 Remove purple locking clip don t lose it 4 Remove top cover 5 Insert new pins wires Reverse procedures once done Pin out Reference viewed looking at connector face Joe Harden has provided an in depth install guide at the end of this document ...

Page 11: ...ust be between 4 00V and 3 01V For DSP Program 2 to become enabled the switch voltage must be between 3 00V and 2 51V For DSP Program 3 to become enabled the switch voltage must be between 2 50V and 1 81V For DSP Program 4 to become enabled the switch voltage must be between 0 00V and 1 80V Check with your DSP5 switch provider for the correct settings Monitoring DSP status in the Scantool You can ...

Page 12: ...y EFILive beta tester Joe Harden I m not sure if it makes it easier for the install but I removed the driver s side inner fender Use the throttle cable port through the firewall as a way to route the wire from the switch to the ECM note that EGT and boost wires are already installed though this port in the pictures ...

Page 13: ...Duramax LBZ LMM DSP5 User Guide support efilive com 11 www efilive com Press the grommet into the cab This is an under dash view of what s taking place ...

Page 14: ...ready had a slit in it during this install but I don t remember if I did it earlier or not Now that the centre is out the grommet can be pulled through the firewall into the engine bay where it is easier to feed the wire through it I had the pin soldered to the wire since I don t have the proper crimping tool The crimping tabs on the pin need to be trimmed down and the solder can t be very thick s...

Page 15: ...Duramax LBZ LMM DSP5 User Guide support efilive com 13 www efilive com The grommet can be installed back into the firewall after the wire is fed through Location of ECM ...

Page 16: ...he plug will back out of the ECM Assist the ratchet in backing out the connector The ratchet will stop after about 90 of rotation from the starting position This connection is referred to as C2 of the ECM We re interested in C1 above it but C2 needed to be removed in order to make C1 available Now remove connector C1 directly above C2 The same ratcheting lever is on this connector as C2 except the...

Page 17: ...om Here s C1 after being unplugged from the ECM There s a pink clip in the connector that holds the pins in place This needs to be removed I used a small allen wrench to get down in the notch of the pink clip and applied pressure to the end of the connector to remove it ...

Page 18: ...x LBZ LMM DSP5 User Guide support efilive com 16 www efilive com Remove it completely from the connector Next take the ratcheting mechanism cover off the connector First pop up the end nearest the wire bundle ...

Page 19: ...Duramax LBZ LMM DSP5 User Guide support efilive com 17 www efilive com ...

Page 20: ...e press the sliding portion of the ratcheting mechanism back into the connector and attach the ratchet lever cover back onto the connector the lever is to be down in the locked position when this is carried out Having the slide pushed in and the lever down properly position the gear and slide C1 is now ready to be connected to the ECM so pull the lever back to the fully open position and insert th...

Page 21: ... ECM will use the factory maps when the switch is closed grounded the ECM will use the DSP2 tables The connections to the ECM from the switch are made to the following pins Signal Connector 1 the larger plug pin 52 next to LtBlue Black wire Ground Connector 1 the larger plug pin 54 next to Yellow Black wire Note It may also be possible to make the ground connection in the cab rather than the ECM A...