Malfunction Threshold

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 before restarting the engine.

• 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 30°F (17°C) or more.
• When the temperature difference between the ECT2 and ECT1 is 68°F (38°C) or more.