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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Output Components

Diagnose the output components for the proper response to control module commands. Components where functional monitoring is not feasible will be monitored for circuit continuity and out-of-range values if applicable.

Output components to be monitored include, but are not limited to the following circuits:
^ The Idle Air Control (IAC) Motor
^ The Control Module controlled EVAP Canister Purge Valve
^ The Electronic transaxle/transmission controls
^ The A/C relay
^ The Cooling Fan(s) Relay(s)
^ The VSS output
^ The MIL control
^ The Cruise Control inhibit
^ The AIR system pump