SM4 Manual
by
MRM-Racing
V3.0
24
Software Basic Setup Guide
Base Settings
When setting up your Autronic software for the first time to control your engine, there are
a few simple rules of thumb that will greatly reduce you time to tune the engine.
There are a few setup parameters in the software to be concerned with first, and then we
will go through a general description of how the software functions in an attempt to help
you understand the correct tuning procedures.
First, under the M1 menu you will want to open the Base Settings table.
In this table you will set:
Primary Fuelling Method
Your choices here are: Baro & MAP or Baro & TPS
Baro & MAP:-
When tuning a forced induction engine, you will want to use this method so that the ECU
can have the ability to read the manifold pressure when in vacuum or boost and correctly
fuel the engine. When using this method you can select the Y axis for the base fuel table
as either Manifold Pressure, or Load. In the case of Load, the actual value of Load is
equal to Manifold Pressure/Barometric Pressure
This setting can be used for tuning turbocharged engines with multiple throttle bodies by
setting the Y Axis in the Base Fuel table to Throttle Position under the M2 Table Axis
setup menu under the M2 table at the top of the screen. You can also use this setting for
engines with adjustable camshafts like VVT, VTEC or Vanos. Also on turbocharged
engines with wild camshafts and all other engines where you want to map the fuel
delivery against throttle position and ignition against manifold pressure. Engines with
adjustable camshaft can get at smother fuel map with this method, since it almost
automatically will adjust the fuel delivery when the camshaft control is activated.
When using this mode, the values on the Load scale in the Base Fuel Table will
represent the actual Throttle angle, even though the ECU will be referencing the Manifold
Pressure values at all times and adjusting the injection times accordingly to achieve the
desired Target A/F ratios set in the Target A/F table under menu M2. When using Baro &
MAP the map sensor must be connected.
Baro & TPS:-
This method should only be used on naturally aspirated multi throttle engines. It does not
have the ability to read the manifold pressure for correcting the fuel. Do not use it on
forced induction engines.
Select the Y Axis in the Base Fuel table and Y Axis in the Ignition table to Throttle
Position under the M2 Table Axis. When using Baro & TPS leave the map sensor
unconnected.
Содержание SM4
Страница 1: ......
Страница 125: ...SM4 Manual by MRM Racing V3 0 125 ...
Страница 134: ...SM4 Manual by MRM Racing V3 0 134 Boost Control Diagrams Internal Wastegate ...
Страница 135: ...SM4 Manual by MRM Racing V3 0 135 External Wastegate ...