Chapter 12 output options set-up, 1 the output options page, 1 idle control – Haltech E6X Manual DOS Version User Manual

Page 83

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E6X Manual

83

CHAPTER 12

OUTPUT OPTIONS SET-UP


The output options and PWM set-up pages are used to program settings for the output
functions of the ECU in a similar way as the set-up pages are programmed. Refer to 4.1
Using the ECU Set-up pages, p42
.

12.1 The Output Options Page


The output options page contains the set-up information for idle control, O2 closed loop fuel
control and the digital 1 and digital 2 outputs. The output options page is accessed via the
options menu or using: CTRL-O from anywhere in the programming software.

12.1.1 Idle Control


The idle control window of the output option page has a series of fields common to the 4-wire
bipolar stepper motor control and BAC idle control.

There are ten parameters to be adjusted in the idle speed control:

Enable/Disable

The Idle Speed Control can be switched on or off.


Target Idle Speed

This is the engine speed that the ECU attempts to maintain at idle.


Cold Idle-Up RPM

This speed is added to the Target Speed when the engine temperature is cold.


Start RPM

For a period of around 20 seconds after the engine starts, you can specify an extra
increase in idle rpm. Most factory cars will rev 200-300rpm above the cold idle-up
RPM for a small time when they are first turned on. Setting the Start RPM to 0 will
mean that the engine will rev to the Target Idle Speed + Cold Idle-Up RPM when
turned on and resort back to the Target Idle Speed when warm. If you set the Start
RPM to 200RPM, then the engine will rev to the Target Idle Speed + Cold Idle-Up
RPM + 200RPM and resort back to the Target Idle Speed + Cold Idle-Up RPM after
20 seconds and then resort back to the Target Idle Speed when warm. Graphically, this
can be represented as:

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