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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Powertrain Management: Application and ID

Air Cleaner thru Engine Speed

Erasable programmable read only memory thru Manifold Absolute Pressure

Manifold Absolute Pressure Sensor thru Smoke Puff Limiter System

Supercharger thru Wide open throttle position switch

All emission related terms used in this publication in accordance with SAE J1930 are listed. Accordingly, new terms, new acronyms/abbreviations and old terms are listed in the following chart.