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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Clutch Switch: Description and Operation

COMPONENT
Clutch Pedal Position (CPP) switch (M/T only)

FUNCTION
Detects a load on engine. PCM uses load information in mass air flow and fuel calculations.

REMARKS
Uses normally open switch. One volt or less signal input at PCM indicates a reduced engine load. 5 volts signal input at PCM indicates engine load. On A/T model, jumper is connected to connector.