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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Test Point 15 - Engine Speed Signal From EZK

TEST POINT 15: Engine speed signal from EZK

NOTE: the EZK control unit plug must be attached and the LH control unit plug detached.

- At the LH control unit plug, connect terminals 17 and 1 with the engine tester leads, using the test leads.

- Adjust the oscilloscope as stated by its manufacturer. Start the engine with the starter motor. A control signal must be visible on the oscilloscope.