Duramax LB7/LLY DSP5 User Guide Prerequisites 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;...
Duramax LB7/LLY DSP5 User Guide Introduction Introduction This document is intended to assist EFILive customers with the basic operations and steps necessary to setup EFILive's DSP custom operating systems for the Duramax LB7 and LLY ECMs. Support Retirement This document was originally created for DSP...
Duramax LB7/LLY DSP5 User Guide The latest software is available for download from the EFILive website here: http://www.efilive.com/latest/cat/download-efilive Additional Support Resources If, after reviewing this guide, further 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.
V7 for the DSP operating system upgrade to be available. Using the EFILive V7.5 Tuning Tool, open your tune file and click on the 'Upgrade OS' tab. Select which operating system upgrade you wish to apply (only choose one), then click the “Apply Upgrade”...
Duramax LB7/LLY DSP5 User Guide Reopen the file so EFILive will recognise the file is a DSP converted operating system. Please also take note of the new operating system (OS) number of the converted file. Identify Correct Script Users MUST run script files to populate maps. EFILive DOES NOT automatically populate DSP tables with factory maps during the upgrade like other DSP platforms.
15228758 05875801 DSP2_LLY.txt (select metric or imperial) Run Script Navigate to the Edit -> Run Script menu option. Select Open to and choose script identified in the step above. Select Run to apply the script. - 8 - support@efilive.com www.efilive.com...
1. You may return your ECM to its GM factory condition at any time, by reflashing a stock GM Operating System and calibration over the top of any EFILive Custom Operating System using the Full Flash option.
Also shown is the approx. voltage the ECM will measure for each resistance. The switching voltages are configurable within EFILive, however, the values below give a good even separation of switch points. The 0.1uF capacitor shown in red is optional, it is used to reduce switch bounce.
Choose the ECM type and wire the output as follows. The connections to the ECM output are made to the following pins: LB7 - Output = Blue connector, pin 39 LLY - Output = Blue connector, pin 27 - 11 - support@efilive.com www.efilive.com...
The LLY ECM also has the connector pin numbers stamped on its case for confirmation, though these can be difficult to see when the ECM is fitted to the vehicle. All installation photos courtesy of Tony Nostedt - 13 - support@efilive.com www.efilive.com...
It is highly recommended that the valet switch is not easily accessible so it cannot be accidentally engaged. The wiring for this switch can be found on previous pages of this document. - 14 - support@efilive.com www.efilive.com...
You can monitor the DSP switch data using the following PID’s – GM.DSP5_VOLTS_DMA – This will show the measured voltage at the ECM pin. GM.DSP5_TUNE_DMA – This PID will show the current tune number the ECM is using. - 15 - support@efilive.com www.efilive.com...
1. Check the operational settings in the DSP Output #1 section of the *.ctz file to ensure the output behaves correctly. {A0115}-{A0124}. 2. Check Voltage settings by monitoring the voltage PID and tune number using the EFILive Scan Tool. 3. Check wiring installation; specifically check that the pins are properly fitted to the ECM.
Need help?
Do you have a question about the Duramax LB7 DSP5 and is the answer not in the manual?
Questions and answers