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) 32/B1650 could be caused by an occupant detection sensor malfunction, air bag sensor assembly malfunction or defective wiring harness.
NOTE:
During testing, if DTCs other than DTC 32/B1650 are retrieved, disregard them.