Pinpoint Tests L: Engine Oil Temperature (EOT) Sensor: Introduction

WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: BE AWARE OF MOVING VEHICLE COMPONENTS AND HEAT. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.

NOTE: Regeneration may occur during normal operation. During regeneration, diagnostic procedures may display biased values. If a regeneration occurs during diagnostic procedures, allow the process to complete before continuing diagnostics.

This pinpoint test is intended to diagnose the following:

EOT sensor (12A648)
harness circuits: EOT and SIGRTN
powertrain control module (PCM) (12A650)

Fig 1: Identifying Engine Oil Temperature (EOT) Sensor Connector
Courtesy of FORD MOTOR CO.

Fig 2: Identifying Powertrain Control Module-B (PCM-B) Connector
Courtesy of FORD MOTOR CO.

Fig 3: Identifying Powertrain Control Module-E (PCM-E) Connector

Courtesy of FORD MOTOR CO.