Pinpoint Tests RE: Reductant Purge Valve: Introduction

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:

reductant purge valve
harness circuits: RDPGC and VPWR
reductant dosage control module (5H298)

Fig 1: Reductant Purge Valve Connector

Courtesy of FORD MOTOR CO.

Harness Side

Circuit	Pin
RDPGC (Reductant Purge Control)	1
VPWR (Vehicle Power)	2