Infiniti diagnostic reference

Explore 7 connection profiles and 95 enhanced definition variants recorded for Infiniti. Reference relationships describe the library, not road-test coverage.

Vehicle and connection profiles

G37, M37, M56, FX35, FX45, Q50, Q60, Q70, QX56, QX70, QX80Infiniti
J50: EX25, EX35, EX37; S50: FX35; V36: G25, G35, G37; Y50: M35; Y51: M25, M35Infiniti
Nissan Consult IIInfiniti · 2001–2008
Nissan Consult II ABS ONLYInfiniti · 2001–2008
Nissan Consult IIIInfiniti · 2008–onward
Q50 (2.0 + 7AT Mercedes-Benz)Infiniti
Q50 3.0 (VR30DDTT)Infiniti

Enhanced PID meanings

Browse individual signal meanings, units and exact profile links.

Browse Infiniti enhanced signals

Trouble-code reference families

Infiniti / Nissan — Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Source and applicability

OBD Lens production library legacy-owner-2026-10-09-v81. This is a scoped technical reference, not a scan of your car. A catalog relationship does not certify that every ECU, year or engine returns the same signal or code definition.

Read the reference method

OBD Lens reference library · catalog legacy-owner-2026-10-09-v81. Sources and scope