Pinpoint Test Dc: Mass Airflow (MAF) Sensor: Introduction
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 2020 Lincoln Navigator, 2020 Lincoln Nautilus, 2020 Lincoln MKZ, 2020 Lincoln Corsair, and 2020 Lincoln Continental. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- mass airflow (MAF) sensor (12B579)
- harness circuits: IAT, GND, MAF, MAFRTN, SIGRTN and VPWR
- PCM (12A650)
Harness Side
| Circuit | Pin |
|---|---|
| VPWR (Vehicle Power) | 3 |
| MAF (Mass Airflow) | 5 |
| SIGRTN (Signal Return) | 4 |
Harness Side
| Circuit | Pin |