PINPOINT TEST DM: Manifold Absolute Pressure (MAP) Sensor: Introduction

WARNING: This page does not describe the selected car, but rather 22 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.

This pinpoint test is intended to diagnose the following:

MAP sensor (9F479)
harness circuits: MAP, SIGRTN, and VREF
powertrain control module (PCM) (12A650)

Fig 1: Identifying Manifold Absolute Pressure (MAP) Sensor Connector
Courtesy of FORD MOTOR CO.

Fig 2: Identifying EGR System Module (ESM) Connector

Courtesy of FORD MOTOR CO.

Powertrain Control Module (PCM) Connector

For PCM connector views or reference values, refer to REFERENCE VALUES .

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PINS REFERENCE CHART

Vehicle	Connector	Pin	Circuit
E-Series	190-PIN	B67, B68 E63 B58, E64, T40 E40	VPWR VREF SIGRTN MAP
Escape / Mariner, Fusion, Milan	190-PIN	B67, B68 B52, E35 B56, E49, T41 E40	VPWR VREF SIGRTN MAP
Focus, Transit Connect	190-PIN	B67, B68 B52, B66, E63 B58, E64, T40 E40	VPWR VREF SIGRTN MAP
Mustang	190-PIN	B67, B68 B52, E20, T31 B56, E32, T38 E40	VPWR VREF SIGRTN MAP
All other vehicles	170 PIN	B35, B36 B40, E57 B41, E58, T41 E62	VPWR VREF SIGRTN MAP