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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EATC System Functional Test

EATC System Functional Test:

EATC System Functional Test (Continued):

Functional Test
1. The Electronic Automatic Temperature Control (EATC) system functional test is designed to find those system failures that the Self-Test is unable to test.
2. Ensure the engine is COLD.
3. The in-vehicle temperature should be greater than 10°C (50°F) for proper evaluation of system response.
4. Refer to the charts for testing instructions.