Outline Of Diagnosis
WARNING: This page is about a different car, the 2020 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.
Diagnosis 1
- Judge the malfunction of oil temperature sensor characteristics (stuck to low temperature side).
- Judge as NG if the amount of oil temperature change since ignition ON is equal to or below the predetermined value.
Diagnosis 2
- Judge the malfunction of oil temperature sensor characteristics (stuck to high temperature side).
- Judge as malfunction when the difference between engine coolant temperature and CVT oil temperature is equal to or more than specified value at starting.