Operation CHARM: Car repair manuals for everyone.
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)

Or, hide this message: temporarily or permanently

Initial Inspection and Diagnostic Overview

1. Verify the customer's original concern.
2. Inspect to determine if one of the electrical concerns apply:

VISUAL INSPECTION CHART

Electrical
- Check electrical connections for obvious damage, opens or shorts

3. Inspect the pins on the Data Link Connector (DLC) for loose, bent, deformed, corroded or broken pins. If pin is damaged, repair or replace pin, verify communication with New Generation STAR Tester 418-F048 (007-00500) or equivalent.
4. If the concern(s) remains after the inspection, continue with New Generation STAR Tester Driven Diagnostics. Scan Tool Testing and Procedures