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.