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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System Chart




SYSTEM CHART
*1: These sensors are not directly used to control the engine system. They are used only for the on-board diagnosis.
*2: The DTC related to A/T will be sent to Engine Control Module (ECM).
*3: Under normal conditions. this sensor is not for engine control operation.