Pinpoint Test O: Water in Fuel (WIF) 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:

fuel system contamination
circuitry
WIF sensor

Fig 1: Identifying Water In Fuel (WIF) Sensor Connector

Courtesy of FORD MOTOR CO.

Pin	Circuit
1	SIGRTN (Signal Return)
2	WIF (Water In Fuel)

Fig 2: Identifying Powertrain Control Module-B (PCM-B) Connector

Courtesy of FORD MOTOR CO.

Pin	Circuit
44	SIGRTN (Signal Return)
24	WIF (Water In Fuel)