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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Engine Control Module: Testing and Inspection
ENGINE CONTROL MODULE (ECM) I/O SIGNAL ENGINE CONDITION DATA Measuring Conditions:
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After warming up the engine.
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Gear position is in N or P.
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A/C is turned OFF.
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All accessory switches are turned OFF.
