Corrective Action
WARNING: This page is about a different car, the 2001 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
Inspect battery voltage. If voltage is less than 9 volts, inspect charging system and battery. If battery or charging system is faulty, repair as necessary and recheck system. If voltage is greater than 9 volts, replace diagnosis sensor unit and recheck system. If malfunction is still exists, replace related wiring harness. Go to FINAL CHECK under DIAGNOSTICS.