Initial Inspection and Diagnostic Overview
1. If all components are not accessible with a scan tool, check for an open in CKT 461 between Data Link Connector (DLC) terminal "M" and S237.2. If a single component is not accessible with a scan tool, check for an open in CKT 461 or CKT 800 between S237 and the component. If the wire is OK, refer to Computers and Control Systems for Powertrain Control Module diagnosis and Brakes and Traction Control for Antilock Brake System (ABS) diagnosis. Brakes and Traction Control