Owner's manual

TMax Control Center provides a snapshot of AutoTuned fuel flow adjustments, RPM time logs in increments of
100 RPM’s, engine temperature logs and diagnostic codes. Valuable information about the condition of your tune
and how you ride. AutoMap, located within the TMax Control Center, feature creates a custom base map based
on AutoTuned fuel flow adjustments. Create a custom base map with just a few clicks!
When the SmartLink program is opened, it will automatically retrieve and open the last map that was open.
Any time you link to your motorcycle: Read the map that is installed in the ThunderMax ECM by selecting [File]
then [Read Module Maps and Settings] on the SmartLink toolbar. This will synchronize the map file loaded into
the ThunderMax ECM with the SmartLink software.
Accel Fuel is be used to tune throttle response (go to [Module Configuration] [Basic Settings]).
AFR Correction vs. Engine Temperature page is used to adjust warm-up AFR’s. If the engine requires more fuel
during warm-up (start to 200°), use this function to adjust. See SmartLink Tuning Manual for procedures.
AFR vs. Engine Temperature - During warm-up, the AFR on both cylinders will show richer than the target AFR at
operating temperatures; this is a normal part of the warm-up map. No permanent changes to AFR targets and
adjustments are made below 200 degrees. See SmartLink Tuning Manual for applications and procedures.
Air/Fuel-TPS @ RPM These pages reflect selected targets of AFR to throttle position at every 256 RPM when
system is in closed loop. Example: if you desire a leaner mixture for added fuel economy then you can easily make
multi-tiered AFR targets at specific throttle positions and RPM’s that will be learned during riding sessions.
During warm-up, the AFR on both cylinders will be richer than the target AFR at normal operating temperatures;
this is a normal part of the warm-up map. AutoTune and its targets are inactive below 200 degrees.
Writing new or modified maps to the module requires the system to be re-initialized, and any existing learned fuel
and IAC adjustments to be cleared (Map Editing, clear). Linking and editing an existing map within the module
does not require above steps.
System Updates are available through SmartLink with an internet connection. Software, Firmware and Map
updates can be downloaded; check frequently for updates.
In-Tank Fuel Filters should be inspected as a part of routine maintenance. The filter is small and one bad load of
fuel can clog it. The factory recommended service interval is 25K miles.
Fuel Pressure Should Be Checked during periodic service; this is also the first thing to check should you
experience sudden or gradual decreasing performance. For any EFI system to operate properly, your fuel system
should build and maintain 55-62 PSI of fuel pressure; your dealer can perform this simple test quickly.
The factory ECM you are replacing is triggered by signals from the cam position and crankshaft position sensors,
while the ThunderMax uses only the signal from the crankshaft position sensor. We recommend disconnecting the
cam position sensor, and installing a new crankshaft position sensor and in-tank fuel filter on your (at least) 11-year
old motorcycle during installation. Verify charging system operation and battery condition; check both ends of
battery cables for clean, tight connections.
Save your edited maps to your hard drive using the [Save As] command. Document the changes in [Map Notes]
located under [EFI Maps on the toolbar. These notes are stored with the saved map; remember to edit them when
making changes for future reference.
DON’T unplug the ECM without first removing the “System Relay”. “Hot Swapping” the module can damage the
electronics by spiking the circuits. Don’t forget to reinitialize the IAC using step 24 above any time power is
interrupted to the ECM.
DON’T attempt to program the ECM or start the engine when the ECM is in any position other than its natural
installed position. There is a bank angle switch within the ECM that will interrupt power, corrupting programming.
Oxygen Sensor Care Items that can damage or shorten the life of your sensors:
 Leaded fuel – Race fuel
 Oil deposits from oil consumption problems
 Excessive moisture exposure
 Extreme heat
Damaged sensors will have a significant effect to the performance of the motorcycle and should be replaced.
Replacement sensor P/N is 309-355.