Chart #2 Scan Tool Will Not Communicate

Chart #2 Scan Tool Will Not Communicate With The Class II Serial Data Line (Part 1 Of 2):

Chart #2 Scan Tool Will Not Communicate With The Class II Serial Data Line (Part 2 Of 2):

Chart #3 Scan Tool Will Not Communicate With The Class II Serial Data Line (Part 1 Of 3):

Chart #3 Scan Tool Will Not Communicate With The Class II Serial Data Line (Part 2 Of 3):

Chart #3 Scan Tool Will Not Communicate With The Class II Serial Data Line (Part 3 Of 3):