Diagnostics Operations Generic OBD II Operations
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4.8.1 General Procedure
To access the OBD II/EOBD diagnostics functions
1. Tap the Diagnostics application button from the MaxiSys 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 diagnostic 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 various protocols. A communication protocol is a
standardized way of data communication between an ECM
and a diagnostic tool. Global OBD may use several different
communication protocols.
3. Select a specific protocol if the Protocol option is selected. Wait for
the OBD II Diagnostic Menu to appear.
Figure 4-15 Sample OBD II Diagnostic Menu
NOTE: The
○
i button displayed beside the function name is tappable,
tapping which opens a bubble with additional function information.
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