Appendix b the advanced features, B.1 the e6s outputs, B.2 direct fire ignition – Haltech E6S User Manual

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Appendix B
The Advanced Features



The Advance Mode of the E6S offers the user extra flexibility in setting the system up for
multiple outputs (i.e. more than one ignition channel and one or two fuel channels). To
understand exactly what is available in the Advanced Mode, a brief description of how the
system and its output work is required.

B.1 The E6S Outputs


The E6S has five outputs, or channels. In Basic Mode, the channels are configured as
follows:

Two outputs drive two solenoid drivers each. These two outputs define the four injector
drivers used for fuel in a standard setup. These two fuel channels are either fired together
(Multipoint Injection Mode) or alternately (Batch Fire Injection Mode). We will call these
channels 1 and 2. Channel 1 is connected in the loom to the outputs marked INJ1 and INJ2.
Channel 2 is connected to INJ3 and INJ4.

Channel 3 is the ignition channel. On a basic setup it would provide the output for an igniter
firing one ignition coil connected to a distributor.

Channels 4 and 5 are the Auxiliary channels. They provide outputs such as Turbo Wastegate,
Thermofans, Shift Light, etc.. The user can select these outputs to be one of several available.
These output are also call Aux Out 1 and Aux Out 2, and are marked similarly on the loom.


In the Advanced Mode, we change the function of these outputs a little to give the extra
abilities. We use the Auxiliary channels to provide more ignition channels or more fuel
channels.

B.2 Direct Fire Ignition

B.2.1 Ignition Outputs


There are two forms of Direct Fire Ignition. One is to have one coil per spark plug (usually
mounted on top of the plug.) Each cylinder is individually controlled by its own coil.

The second method is to use a waste spark. The plugs are paired into companion cylinders
(cylinders with the same TDC but on different strokes). Each coil fires sparks on a pair; one

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