Along with the three-passage torque converter, two passages are employed for transmission oil (ATF) movement in the torque converter and for clutch cooling, although the third passage is applied independently to control the lock and unlock with the clutch. Before beginning any diagnostics, Check out to make sure the procedure https://torque-converter-clutch19616.shotblogs.com/helping-the-others-realize-the-advantages-of-torque-converter-clutch-48180840