Malfunction Threshold

A malfunction is detected if these three conditions are not present after the engine and the ignition switch have been off for at least 6 hours:

• When the temperature (IAT minus ECT1) is not 61°F (34°C) or less.
• When the temperature (IAT minus ECT2) is not 45°F (25°C) or less.
• When the temperature (ECT2 minus ECT1) is not 77°F (43°C) or less.