Mode 3: Diagnostic Trouble Codes (DTCs)
WARNING: This page is about a different car, the 2002 Nissan Xterra and 2002 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.
This mode gains access to emission-related powertrain DTCs stored by ECM. For DTC definitions, see DIAGNOSTIC TROUBLE CODE DEFINITIONS .