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.
- Detect the malfunction of lock-up fluid pressure control solenoid, and hydraulic circuit, or drive circuit characteristics (stuck to low pressure side).
- Judge as NG if the deviation between engine speed and turbine speed becomes equal to or larger than the predetermined value, even though the lock-up command is issued.