PINPOINT TEST G: Intake Air Temperature 2 (IAT2) Sensor: Introduction

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Ford RV Cutaway, 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.

This pinpoint test is intended to diagnose the following:

Harness circuits: IAT2 and SIGRTN
IAT2 sensor
Powertrain control module (PCM) (12A650)

Fig 1: Intake Air Temperature 2 (IAT2) Sensor Connector

Pin	Circuit
1	SIGRTN (Signal Return)
2	IAT2 (Intake Air Temperature 2)

Fig 2: Powertrain Control Module Connector Terminals

Pin	Circuit
E25	SIGRTN (Signal Return)
E45	IAT2 (Intake Air Temperature 2)