Having problems with your 1997 Buick Century ?

97 buick century has no data from OBD2 scanner.

\015 The OBD2 data link has the proper voltages and grounds on all pins \012except the data pin.\012\012The car runs good, \012the check engine light stays on,\012but the OBD2 scan tool says (no data).\012\012\012How do you check the data pin?\012\012The protocol is VPW (Variable Pulse Width).\012Pin 2 is the data pin. \012Pin 4 is chassis ground. \012Pin 5 is signal ground. \012Pin 16 is positive battery. \012\012There are also pins in cavity 9 and 14.\015 Posted / edited by AnonymousUser on : 19-03-2018

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Repair Help & Product Troubleshooting for 1997 Buick Century

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