MoTeC M8 User Manual

Page 9

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MoTeC

Overview

7

Fuel Injector Outputs

M4 ECU

Up to four groups of injectors may be driven by the ECU.

On engines with more than 4 cylinders 2 or more injectors must be driven in
parallel as follows :

6 cyl

3 groups of 2 injectors (Outputs 1, 2 and 3)

8 cyl

4 groups of 2 injectors

12 cyl 4 groups of 3 injectors

The Injector current must be doubled or trebled as appropriate.

M48 & M8 ECU

Up to eight groups of injectors may be driven by the ECU.

On 12 cylinder engines the injectors must be driven as 6 groups of 2 injectors
in which case the Injector current must be doubled.

Ignition Outputs

The Ignition System Outputs may be used to drive many different types of
ignition modules, which are detailed in the various ignition drawings.

M4 ECU

Up to 4 ignition outputs are available for multi coil applications.

Ignition Outputs 2, 3 & 4 are shared with Auxiliary Outputs 2, 3 & 4.

Outputs not used for ignition may be used as Auxiliary Outputs.

M48 ECU

Two ignition outputs only.

M8 ECU

Up to 4 ignition outputs are available for multi coil applications.

Ignition Outputs 2, 3 & 4 are shared with Digital Inputs 1, 2 & 3.

Any pins not used as Ignition Outputs may be used as Digital Inputs.

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This manual is related to the following products:

M48, M4