L33 (5th gen)
Key reference: 285E3-3TP0A
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Diagnostic port location (OBD)
Driver's side footwell, under the instrument panel to the left of the steering column. No cover — the 16-pin connector is visible above the footrest immediately upon looking under the dash. Consistent location across all L33 Altima trims (2.5 S, SV, SL, SR; 3.5 SL) and body styles (sedan, coupe 2.5 S and 2.5 SL, 2013-2015 coupe only).
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