One problem related to warning light on has been reported for the 1998 Nissan Maxima. The most recently reported issues are listed below.
Airbag warning light continued flashing during operation. Took to dealer. Dealer first diagnosed that air bag control unit needed replacement. Dealer next reported that right side air bag module needed replacement; right side module was nor available. Dealer put original control unit back in auto. Air bag light no longer flashed. Dealer diagnosed that air bag failure no longer existed. Upon my next use of auto, air bag light was again flashing continuously. Second defect, heater fan ticking noise; dealer installed insulator to deaden the noise.