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OBD Direct Operations OBD Diagnose
6.2 OBD Diagnose
Selecting OBD Diagnose opens a menu with the following options:
• Start Communication—begins the test session
• Select Communication Protocol—allows you to select which protocol to use
• Connector Information—provides data link connector (DLC) location details for most models
6.2.1 Start Communication
Use the following procedure to conduct an OBD Direct test session:
z To perform an OBD Direct Test:
1. Select Start Communications from the OBD Direct menu.
A generic connection message displays (
Figure 6-4), connect the Scan Module to the
test vehicle as instructed.
Figure 6-4 Sample generic connection message
2. Select Continue.
A communications message that shows how many ECMs were detected, Which ECM is
communicating, and which communication protocol is being used displays (
Figure 6-5).
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