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3
EOBD
The OBD II/EOBD diagnosis is available to be downloaded through
Mall
. 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 OBD II/EOBD compliant vehicles that are not
included in the Diagnostics database.
General Procedure
To access the OBD II/EOBD diagnostics functions
1. 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.
2. Select a specific protocol under the
Protocol
option. Wait for the OBD II
Diagnostic Menu to display.
3. Select a function option to continue.
DTC & FFD
I/M Readiness
Live Data
On-Board Monitor
Component Test
Vehicle Information
Vehicle Status
NOTE
Some functions are supported only on certain vehicle makes.
This section describes the various functions of each diagnostic option:
