Pinpoint Test FA: Ambient Air Temperature (AAT) Sensor: Introduction: Notes

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 Lincoln Navigator, 2015 Lincoln MKZ, 2015 Lincoln MKX, 2015 Lincoln MKT, and 2015 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.

This pinpoint test is intended to diagnose the following:

AAT sensor
harness circuits: AAT and SIGRTN
PCM (12A650)

Fig 1: Identifying Ambient Air Temperature (AAT) Sensor Connector
Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
Transit	A	2 1	SIGRTN AAT
All other vehicles	B	2 1	SIGRTN AAT

Fig 2: Identifying Right Exterior Rear View Mirror Assembly Connector

Courtesy of FORD MOTOR CO.

Pin	Circuit
10	SIGRTN (Signal Return)
9	AAT (Ambient Air Temperature)

Fig 3: Identifying Instrument Panel Cluster (IPC) Connector

Courtesy of FORD MOTOR CO.

Pin	Circuit
19	SIGRTN (Signal Return)
20	AAT (Ambient Air Temperature)