Pinpoint Test DA: Intake Air Temperature (IAT) Sensor: Introduction
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)
- turbocharger inlet pressure and temperature (TCIPT) sensor (9F479)
- harness circuits: IAT and SIGRTN
- PCM (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series 5.4L, MKX |
A | 2 1 |
SIGRTN IAT |
| Edge 2.0L, Focus 1.0L, Fusion 2.0L |
B | 1 2 |
SIGRTN IAT |
| Edge 2.7L, Escape/Kuga 1.6L, Expedition, Explorer GTDI 3.5L, F-150, Flex GTDI 3.5L, Focus GTDI 2.0L, Fusion 1.5L, MKC, MKS 3.5L, MKT 3.5L, Mustang 2.3L, Navigator, Taurus GTDI 3.5L, Transit Connect 1.6L |
B | 2 1 |
SIGRTN IAT |
| Escape/Kuga 2.0L, Fusion 1.6L |
C | 1 2 |
SIGRTN IAT |
| MKZ 2.0L | C | 2 1 |
SIGRTN IAT |
| Motorhome/Stripped Chassis/Step Van | A | 4 2 |
GND IAT |
| All other vehicles | A | 4 2 |
SIGRTN IAT |
Courtesy of FORD MOTOR CO.| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Edge 3.5L, F-150 3.5L, Mustang |
A | 4 3 |
SIGRTN IAT |
| All other vehicles | B | 1 2 |
SIGRTN IAT |
Courtesy of FORD MOTOR CO.| Pin | Circuit |
|---|---|
| 1 | SIGRTN (Signal Return) |
| 2 | IAT (Intake Air Temperature) |
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| E-Series 6.8L, F-650/F-750, F-Series Super Duty |
190-PIN | B2 B47 |
SIGRTN IAT |
| E-Series 5.4L | 190-PIN | B58 B47 |
SIGRTN IAT |
| Edge 3.5L, F-150 TiVCT 3.5L, F-150 5.0L, Mustang 3.7L |
198 PIN | E29 E27 |
SIGRTN IAT |
| Escape/Kuga 1.6L, Escape/Kuga 2.0L, Focus 1.0L, Focus GTDI 2.0L, Fusion 2.0L, Fusion 1.6L, Fusion 1.5L, MKC, MKZ 2.0L, Mustang 2.3L, Transit Connect 1.6L |
198 PIN | B19 B75 |
SIGRTN IAT |
| Escape/Kuga 2.5L, Explorer 3.7L, Explorer TiVCT 3.5L, Flex TiVCT 3.5L, MKS 3.7L, MKT 3.7L, MKX, MKZ 3.7L, Taurus TiVCT 3.5L, Taurus 3.7L, Transit 3.7L, Transit Connect 2.5L |
190-PIN | B41 B47 |
SIGRTN IAT |
| Explorer 2.0L | 154 PIN | E36 E10 |
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 | 198 PIN | E36 E10 |
SIGRTN IAT |
| Fusion 2.5L |
190-PIN | B41 B75 |
SIGRTN IAT |
| Motorhome/Stripped Chassis/Step Van | 190-PIN | B47 | IAT |
| Mustang 5.0L | 198 PIN | B54 E27 |
SIGRTN IAT |
| All other vehicles | 198 PIN | B18 B75 |
SIGRTN IAT |