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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Pinout Values and Diagnostic Parameters

PCM INSPECTION [LF]

Not Using the M-MDS

NOTE: The PCM terminal voltage can vary with the conditions when measuring and changes due to aged deterioration on the vehicle, causing false diagnosis. Therefore determine comprehensively where the malfunction occurs among the input systems, output systems, and the PCM.

Terminal 1A-1I:




Terminal 1J-1AF:




Terminal 1AG-1AY:




Terminal 1AZ-2L:




Terminal 2M-2AH:




Terminal 2AI-2BF:




Terminal 2BG-2BH: