Section 12 (Charging System): Diagnosis
WARNING: This page is about a different car, the 1997 Pontiac Grand Am, 1997 Oldsmobile Cutlass, 1997 Oldsmobile Achieva, 1997 Chevrolet Malibu, and 1997 Buick Skylark. However, it is still accessible from the selected car via links, so may be relevant.
Noise from a generator may be caused by a loose drive pulley, loose mounting boltys, worn or dirty bearings, defective diode or defective stator.
For complete wiring diagram, see WIRING DIAGRAM . Generator is controlled by PCM. If charging system malfunction occurs, DTC may be set in memory. See appropriate SELF-DIAGNOSTICS article.