Pinpoint Test DA: Intake Air Temperature (IAT) Sensor: Introduction: Notes

This pinpoint test is intended to diagnose the following:

• IAT sensor (12A697)
• integrated mass airflow/intake air temperature (MAF/IAT) sensor (12B579)
• harness circuits: IAT and SIGRTN
• powertrain control module (PCM) (12A650)
  Fig 1: Intake Air Temperature (IAT) Sensor Graph

  Courtesy of FORD MOTOR CO.