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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Sensor Inspection







1. Disconnect the closed throttle position switch connector.
2. Check the continuity between terminal (1) and sensor ground.

Accelerator pedal Continuity

Depressed Non-conductive (Infiniti Ohms)
Released Conductive (0 Ohms)


3. If out of specification, replace the closed throttle position switch.