For information - I had the same problem with my Lexus RX400H. Did all the recommendations seen above to confirm that the nozzle was at fault. I found a replacement almost identical washer jet for Dodge and Jeep vehicles does the job perfectly. Ordered from Amazon, cost £8 for a pair. They are - X AUTOHAUX 2pcs Front Windshield Wiper Washer Jet Nozzle 55157319AA