Pinpoint Tests A: No Start: Introduction

This pinpoint test is intended to diagnose the following:

Fig 1: Identifying Fuel Rail Pressure (FRP) Sensor Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
Transit	A	3	VREF
All other vehicles	B	1	VREF

Fig 2: Identifying Manifold Absolute Pressure (MAP) Sensor Connector

Courtesy of FORD MOTOR CO.

Pin	Circuit
3	VREF (Reference Voltage)