Retrieve & Record Codes
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2002 Nissan Xterra, 2002 Nissan Sentra, 2002 Nissan Quest, 2002 Nissan Pathfinder, and 2002 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
Prior to conducting a physical mechanical inspection, retrieve and record any Diagnostic Trouble Codes (DTCs) that are currently set in Engine Control Module (ECM) memory. See SELF-DIAGNOSTIC SYSTEM in appropriate SELF-DIAGNOSTICS article. Record any DTCs that are present at this time. Review recovered DTCs, if set, or if battery is disconnected or other DTCs are set during mechanical inspection portion of basic diagnostic procedures.