Pinpoint Test W: Exhaust Gas Recirculation (EGR) Systems: Introduction

This pinpoint test is intended to diagnose the following:

• harness circuits: VPWR, VREF, EGR, EGRMC and SIGRTN
• EGR actuator
• powertrain control module (PCM)

Fig 1: EGR Actuator Connector

Courtesy of FORD MOTOR CO.

Fig 2: Powertrain Control Module (PCM) Connector

Courtesy of FORD MOTOR CO.