Pinpoint Tests A: No Start: Introduction

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2022 Ford F-550 Super Duty, 2022 Ford F-450 Super Duty, 2022 Ford F-350 Super Duty, 2022 Ford F-250 Super Duty, and 2021 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

This pinpoint test is intended to diagnose the following:

VREF circuits
RPM signal
fuel delivery

Fig 1: Fuel Rail Pressure (FRP) Sensor Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
Transit Connect	A	1	VREF
All other vehicles	B	1	VREF

Fig 2: Manifold Absolute Pressure (MAP) Sensor Connector

Courtesy of FORD MOTOR CO.

Pin	Circuit
3	VREF (Reference Voltage)

Fig 3: Manifold Absolute Pressure And Charge Air Cooler Temperature (MAP/CACT) Sensor Connector

Courtesy of FORD MOTOR CO.

Pin	Circuit
2	VREF (Reference Voltage)