Operation CHARM: Car repair manuals for everyone.

Diagnostic Methods Overview

Overview
The Diagnostic Methods provides detailed instructions on how to access or perform routine diagnostic tasks. It 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 diagnostic tool. It contains instructions for performing diagnostics with the diagnostic tool. Specific diagnostic functions may be selected from a displayed menu, otherwise refer to the diagnostic tool manufacturer's information.

Customer Information Worksheet:





Bi-Fuel Driveability Diagnostic Form:






Utilize the Customer Information Worksheet and the Bi-Fuel Driveability Diagnostic Form to record customer and test data during diagnosis, or before contacting Hotline for technical assistance.