Pinpoint Test F: Intake Air Temperature (IAT) Sensor: Introduction

This pinpoint test is intended to diagnose the following:

• Harness circuits: IAT, and SIGRTN
• IAT sensor
• Powertrain control module (PCM) (12A650)

Fig 1: Mass Air Flow/Intake Air Temperature (MAF/IAT) Sensor Connector

Courtesy of FORD MOTOR CO.

Fig 2: Powertrain Control Module (PCM) Connector

Courtesy of FORD MOTOR CO.