Diagnostic Methods Overview

The Diagnostic Methods provide detailed instructions on how to access or perform routine diagnostic tasks. The Diagnostic Methods can be referenced for step-by-step instructions for routine procedures.

When performing alternative fuel diagnostics, 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 may be selected from a displayed menu, otherwise refer to the manufacturer's information.