Nissan wiring pins Nissan MAF Pinouts - NIStune Nissan MAF Pinouts CR31 RB30 (2 -7 volt) Pin 1. Sensor ground (black) Pin 2. Chassis ground (black) Pin 3. AFM output (white shielded - 2-7 volts) Metra Part #... Source Source Source Source Source Source Source Source Source Source Read Also: Nissan afm pinout Nissan maf sensor wiring Nissan maf plug Nissan rb30 wiring diagram Consult nissan pinout Test nissan afm