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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Ignition System: Testing and Inspection

1. Start the engine. Hold the engine at 3,000 rpm with no load (shift lever in [N] or [P] position until the radiator fan comes ON, then let it idle.




2. Connect a tachometer to the test tachometer connector.

Idle speed:
700 ± 50 rpm with shift lever in [N] or [P], and electrical systems turned OFF.

3. Adjust the idle speed if necessary.