Pinpoint Test DA: Intake Air Temperature (IAT) 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:
- IAT sensor (12A697)
- integrated mass airflow/intake air temperature (MAF/IAT) sensor (12B579)
- manifold absolute pressure and temperature (MAPT) sensor (9F479)
- harness circuits: IAT and SIGRTN
- PCM (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series 5.4L | A | 2 1 |
SIGRTN IAT |
| E-Series 6.8L, Escape/Kuga 2.5L, Explorer TiVCT 3.5L, Explorer 3.7L, F-650/F-750, F-Series Super Duty, Fiesta, Focus GDI 2.0L, Fusion 2.5L, MKZ 3.7L, Mustang 5.0L, Mustang 5.2L, Transit, Transit Connect 2.5L |
A | 4 2 |
SIGRTN IAT |
| Escape/Kuga 2.0L, KA |
B | 1 2 |
SIGRTN IAT |
| Focus 1.0L, Fusion 2.0L |
C | 1 2 |
SIGRTN IAT |
| MKZ 2.0L | B | 2 1 |
SIGRTN IAT |
| Motorhome/Stripped Chassis/Step Van | A | 4 2 |
GND IAT |
| Mustang 3.7L | D | 4 3 |
SIGRTN IAT |
| All other vehicles | C | 2 1 |
SIGRTN IAT |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| EcoSport 2.0L | B | 4 3 |
SIGRTN IAT |
| Edge 3.5L, Explorer 3.5L, Explorer 3.7L, F-150 3.5L, Flex 3.5L, MKS 3.7L, MKT 3.7L, Mustang, Taurus 3.5L, Transit 3.7L |
C | 4 3 |
SIGRTN IAT |
| All other vehicles | A | 1 2 |
SIGRTN IAT |
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 | B58 B47 |
SIGRTN IAT |
| E-Series 6.8L, F-650/F-750, Motorhome/Stripped Chassis/Step Van, Mustang 5.0L, Mustang 5.2L |
198 PIN | B54 E27 |
SIGRTN IAT |
| EcoSport 2.0L Manual Transmission, EcoSport 1.6L |
80 PIN | E25 E3 |
SIGRTN IAT |
| EcoSport 2.0L Automatic Transmission | 128 PIN | E43 E18 |
SIGRTN IAT |
| Edge 3.5L, F-150 TiVCT 3.5L, F-150 5.0L, Flex TiVCT 3.5L, MKS 3.7L, MKT 3.7L, MKX 3.7L, Mustang 3.7L, Taurus TiVCT 3.5L, Taurus 3.7L, Transit 3.7L |
198 PIN | E29 E27 |
SIGRTN IAT |
| Escape/Kuga 1.6L, Escape/Kuga 2.0L, Focus 1.0L, Focus GTDI 2.0L, Focus 2.3L, Fusion 1.5L, Fusion 2.0L, MKC, MKZ 2.0L, Mustang 2.3L, Transit Connect 1.6L |
198 PIN | B19 B75 |
SIGRTN IAT |
| Escape/Kuga 2.5L, Fusion 2.5L, MKZ 3.7L |
190-PIN | B41 B47 |
SIGRTN IAT |
| Explorer TiVCT 3.5L, Explorer 3.7L |
198 PIN | E29 B27 |
SIGRTN IAT |
| F-Series Super Duty | 190-PIN | B2 B47 |
SIGRTN IAT |
| Fiesta GTDI 1.6L, Fiesta 1.0L |
198 PIN | B9 B75 |
SIGRTN IAT |
| Fiesta TiVCT 1.6L | 128 PIN | B38 E17 |
SIGRTN IAT |
| Focus GDI 2.0L | 154 PIN | E36 E10 |
SIGRTN IAT |
| KA | 128 PIN | T17 T10 |
SIGRTN IAT |
| Transit Connect 2.5L | 198 PIN | B54 B25 |
SIGRTN IAT |
| All other vehicles | 198 PIN | B18 B75 |
SIGRTN IAT |