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The main menu displays the supported special functions for the test vehicle. Follow the
on-screen instructions to complete the tests. When the operation is done, an execution
status message such as Completed, Finished or Successful displays. Tap the ESC
button to exit the function.
Figure 4-16 Sample Special Functions Screen
Generic OBDII Operations
A fast-access option for OBDII/EOBD vehicle diagnosis is available on the Vehicle Menu
screen. This option presents a quick way to check for DTCs, isolate the cause of an
illuminated malfunction indicator lamp (MIL), check monitor status prior to emissions
certification testing, verify repairs, and perform a number of other services that are
emissions-related. The OBD direct access option is also used for testing OBDII/EOBD
compliant vehicles that are not included in the Diagnostics database.
Functions of the diagnostics toolbar buttons at the top of the screen are the same as
those available for specific vehicle diagnostics. See Table 4-2 Diagnostics Toolbar
Buttons for details.
General Procedure
To access the OBDII/EOBD diagnostics functions
1. Tap the Diagnostics application button from the MaxiCOM Job Menu. The
Vehicle Menu displays.
2. Tap the EOBD button. There are two options to establish communication with
the vehicle.
Auto Scan — when this option is selected the diagnostics tool attempts to
establish communication using each protocol in order to determine which
one the vehicle is broadcasting on.
Protocol — when this option is selected the screen opens a submenu of
protocols. A communication protocol is a standardized way of data
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