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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EATC System Functional Test

EATC SYSTEM OPERATION FOR TESTING
- The EATC system functional test is designed to catch those system failures that the self test is unable to test.
- Ensure that the engine is cold.
- The in-vehicle temperature should be greater than 10°C (50°F) for proper evaluation of system response.










- Refer to the illustrations for testing instructions.