Automatic Temperature Control

WARNING: This page is about a different car, the 2002 Dodge Grand Caravan and 2002 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.

The ambient air temperature in the room where the vehicle will be tested must be a minimum of 70°F (21°C) for this test. The test is activated by depressing the A/C and PWR buttons simultaneously and holding them depressed for no less than 4 seconds. The snowflake icon and the DELAY text in the ATC display will blink on and off alternately until the test is complete, If the snowflake icon and the DELAY text stop blinking before 2 minutes, then the cool down test has been completed successfully. If the 2 minutes expire without the evaporator temperature reaching 20°F (-6.6°C) less than the evaporator initial temperature, then the cool down test has been failed and further A/C system diagnosis is required. If the test is failed, the snowflake icon and the DELAY text will continue to blink across ignition cycles until the vehicle has been driven for greater than 8 miles.