Diagnostic Methods Overview
OverviewDiagnostic 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 diagnostic tool. This information contains instructions for performing diagnostics with the diagnostic tool. Specific diagnostic functions are selected from a displayed menu or refer to the manufacturer's information.