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

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EC-AT Operation Chart

EC-AT OPERATION CHART





4AT

OPEN: Engages the line pressure to the clutch pressure.
CLOSED: Drains the clutch pressure.
ON: Engages the output port and the supply port (Solenoid reducing pressure).
OFF: Engages the output port and the drain port (Drains the output port).

Sport AT





OPEN: Engages the line pressure to the clutch pressure (Solenoid de-energized)
CLOSE: Drains the clutch pressure (Solenoid energized)
ON: Engages the output port and the supply port (Solenoid reducing pressure)
OFF: Engages the output port and the drain port (Drains the output port)