Haltech E8 - Manual (Page 73)

Haltech E11/E8 Instruction Manual
• Transmission Overheat – Some factory vehicles are fitted with a transmission overheat switch
that alerts the user to the fact that the transmission temperature is high.
• Anti-Lag Rally Application Switch - When “antilag rally mode” is selected and the “switch” is
required this input needs to be setup. The switch is “on” when grounded. See tuning section for
more details of setting up and tuning antilag rally mode.
• Anti-Lag Launch Application Switch - When “antilag launch mode” is selected this input needs
to be setup. The switch is “on” when grounded. See tuning section for more details of setting up
and tuning antilag launch mode.
Digital Input Options
The ECU has inputs capable of accepting on/off type of input information such as from a switch. The
active state of these inputs is when the input is connected to GND. The inactive state is when the input is
not connected to GND. The input active state can be inverted by selecting an option in the ‘Edit’ dialog, so
that connecting an input to GND results in an inactive state and disconnecting the input results in an active
state.
Timed Inputs
These inputs are capable of accepting pulsed input information such as for a road speed sensor. These
inputs measure the time periods between the pulses and can process this information to provide
quantities such as Road Speed.
Input Type
Aux Input 1 Digital Only (on/off)
Pulsed Digital Input 3 Digital or Pulsed input
Pulsed Digital Input 4 Digital or Pulsed input
Pulsed Digital Input 5 Digital or Pulsed input
• Flatshift – With this input setup on a clutch activated switch the ECU will retard timing preventing
the engine from accellerating at its normal rate. This allows for the driver to remain at full throttle
without over-revving the engine. The amount if ignition retard required can be setup in the edit
menu of the aux input when enabled.
• Road Speed Input - To detect the road speed at which the vehicle is travelling, connect a square
wave pulse signal to this input that has a frequency that is proportional to speed of the vehicle. To
calibrate the road speed, click on the Edit button and set the field that specifies the number of
pulses per km.
• VCT Input – Continuous variable cam timing generally requires two camshaft inputs, one input is a
static input that does not vary with camshaft position (this input is wired to the ECU home input).
The other input measures the camshafts true position and therefore varies as the camshaft
position is changed, this signal is the VCT input and is required to be a digital 0-5V square wave
pulse signal. If the factory sensor is a reluctor style sensor (sine wave) an external reluctor adaptor
such as the haltech RA10 is required.
Copyright © Haltech 2008 Page: 73