Haltech E6X Manual Win Version - Manual (Page 147)

E6X Manual
147
E.6 Trigger Type
The ECU is capable of triggering from various trigger formats as used on a number of
production vehicles other than standard trigger. The trigger types are as follows:
Multi-tooth
Motronic
Twin
Trigger
Nissan
Subaru A (1989 – 2000)
Subaru B (2001 – )
Mazda A
Daihatsu
MGF
The ECU uses these triggers to internally produce a “standard trigger” pattern to make timing
calculations for ignition and injection. The ECU uses the extra information associated with
some of these triggers to allow the user to set the trigger angle to suit the operation of the
haltech regardless of factory trigger positioning.
E.6.1 Multi-tooth
The multi-tooth trigger type supports any trigger system that has multiple evenly spaced
trigger events connected to the trigger channel and one home event connected the home
channel. An example of this type of trigger is the Toyota 24 and 1 cam sensor.
After recognising the home event, the ECU will locate the first “standard” engine trigger by
the tooth indicated as “Tooth Offset” which can be programmed via the Ignition Set-up page.
To find the remaining “standard” trigger events, the ECU counts a number of teeth equal to
the total teeth in one cam revolution, divided by the number of cylinders.
Grey Trigger Teeth
White Home tooth