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 Signal (Injection Signal)

INSPECTION CONDITION CRITERION VALUE
N range, idling 650 - 900 RPM
N range, 2500 RPM (read on a tach) 2400 - 2600 RPM

POSSIBLE CAUSE (OR REMEDY) FOR THE ABNORMALITY
- Ignition system is defective
- Harness of ignition signal pick-up circuit is defective