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)

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Flow of Diagnosis


1. Verify the vehicle owner's original concern by operating the power windows/heated back window to duplicate the condition.






2. Inspect to determine if one of the following mechanical or electrical concerns apply:

3. If the inspection reveals obvious concerns that can be readily identified, service as required.

4. If the concerns remain after the inspection, determine the symptoms and go to the Symptom Chart.