Initial Inspection and Diagnostic Overview

A Diagnostic System Check - Data Link Communications:

TEST DESCRIPTION
1. This step is to determine if the scan tool is operating properly.
2. This step is to check the Class 2 communications system for any DTC's that may be set.
3. This step is to determine if the scan tool can communicate with the UART Data Line, specifically within the Supplemental Inflatable Restraint System.
4. This step determines if the Serial Data communication between the EBCM and the scan tool can be accomplished.