Lumina V6-191 3.1L VIN T MFI (1993)
Serial Data: Testing and Inspection
1. If all components are not accessible with a scan tool, check for an open in CKT 461 between DLC terminal "M" and S237.
2. If a single component is not accessible with a scan tool, check for an open in CKT 461 between S237 and the component. If the wire is OK, refer
to Computers and Controls diagnosis and ABS diagnosis.