Hybrid Cooling Fan Diagnosis and Cleaning Procedure by Dorman Products

Installed hybrid batteries displaying trouble codes for cell block imbalance and temperature can be solved in a few steps.
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[@mrdfrts]

Thank you so much for doing this video. My prius was revving high especially on hot days and lacked power. I thought my battery was failing, yet no error codes. My fan was clogged up. I cleaned it as shown in the video. I connected it to a 12v battery to test first. Was running slowly due to build up. After cleaning, it ran much better. Now my prius 2 has more power and battery charges very quickly. Fuel cons. From 6.3l/100 to 5.1l/100 immediately. Mileage is 252,000kl. Much appreciated.

[@williaml8474]

Which scanner offers a function test, at a low price point? (Prius 2003 182k). My fan looks clean. Want to check it out while dealing with a code for bus bars and computer p3030

[@josephanyen5046]

Does that fan blows air inside?