Malfunction Threshold (M/T)

A malfunction is detected if these three conditions are present after the engine and the ignition switch have been off for at least 6 hours:

• When the temperature difference between the IAT and ECT1 is 61°F (34°C) or more.
• When the temperature difference between the IAT and ECT2 is 39°F (22°C) or more.
• When the temperature difference between the ECT2 and ECT1 is 81°F (45°C) or more.