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

Display Channel Reference Chart(s)

Diagnostic Channel # 1 thru 10:





Diagnostic Channel # 11 thru 25:





Diagnostic Channel # 26 thru 40:





Diagnostic Channel # 41 thru 50:





Diagnostic Channel # 51 thru 61:





The Air flow flap motor -V71- and back pressure flap motor position sensor -G113- are not installed in USA/Canada vehicles. Disregard values displayed for these components.