Section 145 (Generators & Regulators): Adjustments: Notes
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
New belt refers to a belt which has been used 5 minutes or less on a running engine. Used belt refers to a belt which has been used more than 5 minutes on a running engine. After installing new belt(s), run engine for at least 5 minutes and recheck tension.