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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Variable Induction System: Testing and Inspection

VICS System Operation Check:






1. Connect tachometer to "IG-" terminal of diagnosis connector.
2. Start engine and run at idle.
3. Verify that shutter valve actuator rod is pulled inward.
4. Gradually increase engine speed and verify that rod is extended when speed reaches 5000 rpm.