Stag AFR - 5 AC AFR Application; Connecting the Controller to a PC; AC AFR Application Version; Main Menu

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5. AC AFR Application

5.1. Connecting the controller to a PC

Just after the kit is mounted in the vehicle, a computer with AC AFR software installed should be

connected to the controller by using an USB interface, RS232 or Bluetooth of AC S.A., and then the

program AC AFR should be started. After starting the program, if serial port COM is selected properly, the

controller should establish a connection to a diagnostic program, as indicated by the text "Connected" at

the left bottom corner of the program screen.

If "No connection" is displayed at the left bottom corner of the program window, another port must be

selected from the "Connections" menu, and then "Ports" at the top of the program window.

When connection to the controller is established successfully, current operating status of the controlled is

displayed at the right bottom corner of the program screen. The following status can be displayed:

 Warming up – the wideband oxygen sensor is being warmed up, and this may last even two minutes

depending on exhaust gas temperature and power supply voltage, however normally it takes less

than one minute from switching the controller on.

 Work – the oxygen sensor reached its working temperature and started measurement

 Update – the controller software is being updated

 Fault – the possible causes are:

oxygen sensor is not connected to the controller

faulty oxygen sensor

damaged wire harness

damaged controller

5.2. AC AFR Application version

NThe version of AC AFR Application is shown at the top of the program screen. In Figures 6 to 11 the

program in version 1.0.0 is presented.

5.3. Main menu

Figure 6. Main menu

The following options are available in Main menu:

 Connection

Connect - enables connection to the controller to be established