Possible Causes
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.
Diagnostic Trouble Code (DTC) 22/B1625 could be caused by short to ground, short to battery or open in right side air bag sensor wiring harness, right side air bag sensor malfunction or air bag sensor assembly malfunction.