ECU Master TUNER3 Service Manual download pdf (Page 25)

Launch control

Launch control function (starting procedure) is used to set the optimal starting engine speed (for a given RPM

the ignition is cut off). In turbocharged engines, it also enables the increase of the boost pressure at the start

thanks to retarded ignition and an increased fuel dose.

Caution !

Using the launch control function in the turbocharged engines may lead to damaging

the turbocharger.

To configure the launch control, enter the “Setup” menu and choose

“Launch control configuration” option. To activate the function, select

the activation input. There is also a possibility to turn the launch

control off, when the car speed is greater than the defined value (VSS

sensor must be connected to the Frequency In input of DET 3).

Parameters:

Activation input – what input used for activating the launch control

function. For extra analog input table switch input must be configured

as “Use as launch control”

Activation. RPM – engine speed which the ignition retardation and the fuel mixture enrichment takes place,

Cut off RPM – engine speed when the ignition will be cut off,

Ignition Retard – ignition retard angle during the staring procedure,

Fuel Enrichment – value added to the current Analog Out value.

Enable VSS control – enable vehicle speed sensor (VSS) control over launch control,

VSS Limit – frequency (in Hz) of Frequency In input, above launch control function will be automatically

turned off.

Wiring diagram for extra analog input:

Map switch(3)

DET 3

Activation

Switch

(SW1)

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ECU Master TUNER3 Service Manual Page 25