Pinpoint Tests FA: Ambient Air Temperature (AAT) Sensor: Introduction
This pinpoint test is intended to diagnose the following:
- AAT sensor (12A647)
- harness circuits: AAT and SIGRTN
- PCM (12A650)
| Pin | Circuit |
|---|---|
| 2 | SIGRTN (Signal Return) |
| 1 | AAT (Ambient Air Temperature) |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| F-150 Without Power Mirrors, F-Series Super Duty Without Power Mirrors | A | 3 1 |
SIGRTN AAT |
| F-150 With Power Mirrors, F-Series Super Duty With Power Mirrors | B | 2 6 |
SIGRTN AAT |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Transit Connect | A | 31 12 |
SIGRTN AAT |
| All other vehicles | B | 85 86 |
SIGRTN AAT |