Pinpoint Tests DN: Pressure And Temperature Sensors: Introduction
This pinpoint test is intended to diagnose the following:
- intake air temperature 2 (IAT2) sensor (12A697)
- manifold absolute pressure (MAP)/intake air temperature 2 (IAT2) sensor (9F479)
- turbocharger boost pressure (TCBP)/charge air cooler temperature (CACT) sensor (9F479)
- harness circuits: IAT2, CACT, SIGRTN and VREF
- PCM (12A650)
Voltage values calculated for VREF equals 5 volts. These values can vary by 15% due to sensor and VREF variations.
| Temperature | Temperature Sensor Values | |
|---|---|---|
| °C | °F | Resistance (K ohms) |
| 120 | 248 | 1.18 |
| 110 | 230 | 1.55 |
| 100 | 212 | 2.07 |
| 90 | 194 | 2.80 |
| 80 | 176 | 3.84 |
| 70 | 158 | 5.37 |
| 60 | 140 | 7.70 |
| 50 | 122 | 10.97 |
| 40 | 104 | 16.15 |
| 30 | 86 | 24.27 |
| 20 | 68 | 37.30 |
| 10 | 50 | 58.75 |
| 0 | 32 | 95.85 |
| -10 | 14 | 160.31 |
| Pin | Circuit |
|---|---|
| 2 | SIGRTN (Signal Return) |
| 1 | IAT2 (Intake Air Temperature 2) |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Aviator, Explorer 3.0L | A | 4 1 |
SIGRTN IAT2 |
| Bronco Sport, F-150 | B | 4 3 |
SIGRTN IAT2 |
| Continental, | C | 1 | SIGRTN |
| EcoSport, Mustang 2.3L |
2 | IAT2 | |
| Edge 2.7L, Nautilus 2.7L, Transit | D | 4 1 |
SIGRTN IAT2 |
| Edge 2.0L, Expedition Base, Nautilus 2.0L | C | 4 3 |
SIGRTN IAT2 |
| Expedition High Output, Navigator | C | 4 1 |
SIGRTN IAT2 |
| Mustang 5.2L | A | 3 1 |
SIGRTN IAT2 |
| All other vehicles | A | 4 3 |
SIGRTN IAT2 |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Aviator, Explorer | A | 4 3 |
SIGRTN CACT |
| F-150 | B | 2 1 |
SIGRTN CACT |
| All other vehicles | C | 4 3 |
SIGRTN CACT |
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Aviator, Explorer 3.0L | 306 PIN | B26 E13 |
SIGRTN SIGRTN |
| E50 | IAT2 | ||
| Continental | 198 PIN | E20 E34 |
SIGRTN IAT2 |
| EcoSport 1.0L Automatic Transmission | 198 PIN | E20 B75 |
SIGRTN IAT2 |
| EcoSport 1.0L Manual Transmission | 198 PIN | E19 B32 |
SIGRTN IAT2 |
| Edge 2.7L | 306 PIN | B26 B83 E13 E50 |
SIGRTN CACT SIGRTN IAT2 |
| Expedition High Output, Navigator High Output | 198 PIN | B30 B35 E10 E52 |
SIGRTN CACT SIGRTN IAT2 |
| Expedition Base, Navigator Base | 306 PIN | E112 E10 E13 E52 |
SIGRTN CACT SIGRTN IAT2 |
| F-150 | 306 PIN | B21 B5 E89 E72 |
SIGRTN CACT SIGRTN IAT2 |
| Ford GT | 198 PIN | E20 B53 |
SIGRTN CACT |
| E20 E34 |
SIGRTN IAT2 |
||
| Mustang 5.2L | 306 PIN | E28 E94 |
SIGRTN IAT2 |
| Nautilus 2.0L | 198 PIN | E20 E25 |
SIGRTN IAT2 |
| Nautilus 2.7L | 306 PIN | B18 B83 E20 E50 |
SIGRTN CACT SIGRTN IAT2 |
| Transit | 306 PIN | B26 B10 E13 E50 |
SIGRTN CACT SIGRTN IAT2 |
| Transit Connect 1.0L | 198 PIN | E41 E53 |
SIGRTN IAT2 |
| All other vehicles | 198 PIN | E41 E52 |
SIGRTN IAT2 |