EATC System Functional Test

ECC (EATC) System Functional Test


1. The ECC (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 following charts for testing instructions.