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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ABS Check Relay





The Antilock Brake System (ABS) check relay contains electronic components that receive a signal from the Electronic Brake Control Module (EBCM) to turn off the "ABS" warning light. Unless the EBCM commands the "ABS" warning light off, it will remain illuminated.