Jimny Washer Heater Failure Causing Frozen Nozzles

I had this exact same problem with my 2015 Suzuki Vitara diesel last winter. As someone who has dealt with several washer system issues, this one was quite straightforward once diagnosed properly. The winter driving conditions really exposed the problem when the windshield washer fluid froze despite having a heating element installed. Initially thought it was clogged nozzles, but the workshop found it was actually a loose connection at the washer heater plug. The technician performed a proper diagnostic check which revealed the heating element wasnt getting power due to a damaged wire connection. They had to remove some trim pieces to access the wiring harness, replace the corroded connector, and properly seal it to prevent future moisture damage. Total repair cost was 95€ including diagnostics and parts. Since the fix, no more issues with frozen washer fluid or blocked spray nozzles, even in sub-zero temperatures. To better assist with your case, could you share: Has the windshield heater worked properly before? When did you first notice the problem? Does the error code specifically mention the heater circuit? What type of washer fluid are you using (winter grade or regular)?

Last service was at 17691km. After seeings experience, I can confirm its a similar issue but slightly different root cause. My workshop checked the fuse box and found the washer heater fuse was completely blown. They tested the circuit and discovered a short in the heating element wiring near the windshield wipers. The clogged nozzles were actually a secondary issue caused by the frozen fluid, since the heating system wasnt working at all. It wasnt a loose connection like mentioned, but rather a damaged wire that was shorting against the metal body. Instead of just replacing the fuse, the mechanic rewired the affected section and added proper insulation. The repair came to 125€ including parts and labor. The system works perfectly now, no more freezing issues. Tip: They recommended using a higher concentration winter fluid mix until the temperatures rise above freezing.

Thanks for the follow-up about your Jimny repair. The wiring short issue you found is actually more common than my loose connector problem, especially in these models. Makes sense that your repair cost was a bit higher at 125€ since they had to do more extensive rewiring work. Really good that they caught the short circuit, left unrepaired, these electrical issues near the windshield wipers can sometimes damage other components like the wiper motor or washer pump. The winter driving tip about stronger washer fluid concentration is spot on too. After my repair, I switched to a -20 degree rated fluid which really helps prevent any spray nozzle freezing. One thing to watch for, check that the windshield heater is working consistently over the next few weeks. Sometimes these repairs can reveal other weak points in the system that might need attention. Mine needed a minor adjustment about a month after the initial fix, but has been perfect since then. Keep monitoring for any error codes related to the heating element. If you see anything pop up, get it checked early before it leads to complete heater malfunction again.

Thanks for the detailed responses. The workshop confirmed my heater issue was indeed more severe, with the shorted wiring near the windshield wipers. The complete rewiring and insulation fix at 125€ was worth it since the system now works flawlessly. Using the recommended higher concentration winter washer fluid was smart advice too. The washer motor and spray nozzles function perfectly now, even in freezing conditions. Following the tip about monitoring the heating element performance, Ive been checking regularly and no error codes have appeared after 3 weeks. The windshield heater maintains consistent operation, and Ive had zero issues with frozen fluid since the repair. Really glad we got to the root cause rather than just replacing the blown fuse. The proper fix should prevent any future winter driving problems with the washer system.