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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Power Top Inhibit

POWER TOP INHIBIT (PTI)
The power top inhibit feature on JX vehicles will prevent the operation of the power top if the vehicle speed is above 10 MPH. This is accomplished by the power top inhibit relay being controlled by the body control module. The feed circuit to the power top switch is controlled by the power top inhibit relay.