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38
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 OBDII
Diagnostic Menu to appear.
Figure 4-20 Sample OBDII Diagnostic Menu
4. Select a function option to continue.
DTC & FFD
I/M Readiness
Live Data
O2 Sensor Monitor
On-Board Monitor
Component Test
Vehicle Information
Vehicle Status
NOTE
Supported functions may vary by vehicle.
4.10.2 Function Descriptions
This section describes the various functions of each diagnostic option:
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