C.2 the injector drivers – Haltech E6GMX User Manual

Page 101

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E6GMX Manual

101

C.2 The Injector Drivers


The ECU uses switched injector drivers that can control the current passing through an
injector by switching the low side of the injector between ground and 12V while the injector
is open. When it is required that the injector be turned off, the low side of the injector is left
floating which will prevent any current from flowing in the coil.

The E6GMX has two current settings 4A Peak and 8 Amp Peak. The 4A Peak can control up
to 4 low impedance injectors or 8 high impedance injectors, whereas the 8A Peak setting
enables the ECU to control 8 low impedance or 16 high impedance injectors. Should you need
to drive more than 8 low impedance injectors or more than 16 high impedance injectors,
please contact your Haltech Dealer.

Input/Output Setup page showing Injector Current Setup

WARNING:

UNDER NO CIRCUMSTANCES SHOULD YOU MIX SATURATION

AND PEAK-AND-HOLD INJECTORS ON THE ONE DRIVER. THIS

WILL LEAD TO ERRATIC INJECTOR OPERATION.

Injector
Current
Control
Settings

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