Pinpoint Tests RF: Reductant Pressure Sensor: 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 pressure sensor
harness circuits: RDP, VREF, and SIGRTN
reductant dosage control module (5H298)
PCM (12A650)

Fig 1: Reductant Pump Assembly Connector

Courtesy of FORD MOTOR CO.

Harness Side

Circuit	Pin
RDP (Reductant Pressure)	4
VREF (Reference Voltage)	5
SIGRTN (Signal Return)	3

Fig 2: Powertrain Control Module-E (PCM-E) Connector

Courtesy of FORD MOTOR CO.

Harness Side

Circuit	Pin
RDP (Reductant Pressure)	72

Fig 3: Powertrain Control Module-T (PCM-T) Connector

Courtesy of FORD MOTOR CO.

Harness Side

Circuit	Pin
VREF (Reference Voltage)	1
SIGRTN (Signal Return)	43