Diagnostic Aids

Perform this test only when directed here. This system test is intended to diagnose:

• Intake Air Temperature 2 (IAT2) Sensor
• Wiring Harness Circuits (IAT2 & SIG RTN)
• Powertrain Control Module (PCM)

Fig 1: Identifying IAT2 Sensor Circuits & Connector Terminals (F150 Lightning 5.4L SC)

Courtesy of FORD MOTOR CO.

Fig 2: Identifying TP Sensor Circuits & Connector Terminals (F150 Lightning 5.4L SC)

Courtesy of FORD MOTOR CO.