Pinpoint Test Dc: Mass Airflow (MAF) Sensor: Introduction
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2016 Lincoln Navigator, 2016 Lincoln MKZ, 2016 Lincoln MKX, 2016 Lincoln MKT, and 2016 Lincoln MKS. 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)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series 5.4L, MKX |
A | 4 3 5 6 |
MAFRTN MAF GND VPWR |
| Motorhome/Stripped Chassis/Step Van | A | 5 4 3 |
MAF GND VPWR |
| All other vehicles | A | 4 5 3 |
SIGRTN MAF VPWR |
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series 5.4L | 190-PIN | B41 B40 |
MAFRTN MAF |
| Escape/Kuga, Fusion, MKZ |
190-PIN | B41 B40 |
SIGRTN MAF |
| F-150 | 198 PIN | B2 | SIGRTN |
| F-Series Super Duty | 190-PIN | B2 B40 |
SIGRTN MAF |
| Fiesta | 198 PIN | B9 B8 |
SIGRTN MAF |
| Focus | 154 PIN | E36 E55 |
SIGRTN MAF |
| MKX | 198 PIN | B40 | MAF |
| All other vehicles | 198 PIN | B54 B73 |
SIGRTN MAF |