AEM 30-6905 Universal Programmable EMS-4 - Manual (Page 238)

Page 238 of 279 EMS-4 Install and Tuning Guide_Rev 1.6
The trip tables for the ignition cut and fuel cut functions are set up in a similar fashion. Normally,
the first line of defense for a loss of traction condition is ignition retard. If the ignition retard
function is unsuccessful, an ignition/fuel cut combination can be implemented.
.
User Definable Traction Control Options
Traction Control
Units: On/OffDescription: Enables traction control.
TC Speed/Time
Units: On/Off Description: Allows engine speed to be used for the engine acceleration rate
calculation. When OFF, traction control uses tooth time for engine acceleration rate calculation.
TC vs Road Speed
Units: On/Off Description: Allows traction control to be vehicle speed dependant opposed to
RPM dependent with enabling the TC Sensitivity VSS Table.
TC Max
Units: Accel Raw Description: Sets the maximum raw engine acceleration rate possible under
optimum traction conditions
TC Ign Retard
Units: Degrees Description: Sets the amount of ignition retard used when the limit defined in
theIgnition Retard Trip Table is exceeded.
TC Ign Cut
Units: %Description: Sets the amount of ignition cut used when the limit defined in the Ignition
Cut Trip Table is exceeded.
TC Fuel Cut
Units: %Description: Sets the amount of fuel cut used when the limit defined in the Fuel CutTrip
Table is exceeded.
TC Ign Retard Resto
Units: Degrees Description: Sets the amount of ignition advance returned to the ignition timing
calculation per engine revolution. This option is used to remove the ignition retard. A small
number will return the timing slowly. A large number will return the timing quickly.
TC Ign Restore
Units: %Description: This option defines the amount of ignition cut % removed per engine
revolution. A small number will remove the cut slowly. A large number will remove the cut
quickly.