Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Diagnostic Methods Overview

Overview

Diagnostic Methods provide detailed instructions on how to access or perform routine diagnostic tasks. This information can be referenced as many times as needed for step-by-step instructions for routine procedures.

When performing powertrain diagnostics, the system may be checked by an off board tester referred to as a scan tool. This information contains instructions for performing diagnostics with the New Generation Star (NGS) Tester.