Dynojet Autotune Basic Installation And Placement Instructions

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Basic installation and placement instructions are included in

the PCV installation guide for Harley Davidson models.

•

The Autotune kit when used in conjunction with the PCV allows the bike

to be automatically tuned to a target air/fuel ratio. To use this feature

you must first enable Auto Tune in the PCV.

Go to Device Tools - Configure - Autotune.

Enables Autotune feature

If using a switch (not included) check this box

How much time after starting the engine the soft-

ware waits until it starts sampling

What temperature the engine needs to reach be-

fore the software starts sampling.

The maximum the software will trim per session

•

Some models are shipped with the Autotune setup for basic mode (one

Target AFR table for both cylinders). If desired you can set different air/

fuel targets for each cylinder and each gear. Go to Device Tools -

Advance/Demote map.

Make sure that Fuel tables and Target AFR tables are set to the same

mode.

•

Each Harley Davidson base map includes a base Target AFR table. These

settings are intended to deliver optimal performance while still

maintaining decent fuel mileage in the cruise area.

To alter the AFR target click on Target AFR in the tree view. Expand

each cylinder and/or gear if necessary to view the corresponding table.

If necessary type in different values in the cells. Multiple cells can be

highlighted by using click/drag with the mouse.

Shows current table being altered

Auto Tune Installation Guide - 1

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Page 1 • The Autotune kit when used in conjunction with the PCV allows the bike If necessary type in different values in the cells. Multiple cells can be to be automatically tuned to a target air/fuel ratio. To use this feature highlighted by using click/drag with the mouse.
Page 2 • It is recommended to load a base map into the PCV that best Reversion can also be an issue on both cylinders if using extremely corresponds to your bikes current configuration. This will decrease the short exhausts. time in which it takes for the Autotune module to achieve its target air/ • Sensor condition - (see sensor test ) fuel. • Dynojet does not recommend inputting values in the 0% column of the • A switch can be wired into the PCV. The switch can be used to toggle Target AFR tables. If you shoud need to tune the 0% column to combat between your base map and learning mode.