PINPOINT TEST FA: Ambient Air Temperature (AAT) Sensor: Introduction
WARNING: This page is about a different variant/trim than selected.
This pinpoint test is intended to diagnose the following:
- AAT sensor
- harness circuits: AAT and SIGRTN
- powertrain control module (PCM) (12A650)
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Edge 3.5L, Edge 3.7L, Explorer 3.5L, MKX | 190-PIN | B56 | SIGRTN |
| E29 | AAT | ||
| Edge 2.0L, Explorer 2.0L | 154 PIN | B21 | SIGRTN |
| B35 | AAT | ||
| F-150 3.5L | 198 PIN | B34 | SIGRTN |
| B51 | AAT | ||
| Focus | 154 PIN | B34 | SIGRTN |
| B35 | AAT | ||
| All other vehicles | 190-PIN | B56 | SIGRTN |
| B17 | AAT |