Diagnostic Methods Overview
OverviewThe Diagnostic Methods provides detailed instructions on how to access or perform routine diagnostic tasks. This information can be referenced for step-by-step instructions for routine procedures.
When performing powertrain diagnostics on On-Board Diagnostics II (OBD II) vehicles, the system may be checked by an off board tester referred to as a scan tool. The Diagnostic Methods contains instructions for performing diagnostics with the scan tool. Specific diagnostic functions are selected from a displayed menu or refer to the manufacturer's information.