EATC Functional Test

EATC System Functional Test (cont.):

NOTE: The in-vehicle temperature should be greater than 50°F (10°C) for all error codes shown to be valid.

EATC System Functional Test

^ 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 50°F for proper evaluation of the system response.

^ Refer to the diagnostic charts on the following pages for testing instructions.