PINPOINT TEST DI: Direct Fuel Injection Fuel Injector: 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.

NOTE: Do not apply battery voltage across the fuel injector circuits. Permanent damage to the fuel injector may result.

This pinpoint test is intended to diagnose the following:

fuel injector(s) (9F593)
harness circuits: INJ and INJ1RTN
powertrain control module (PCM) (12A650)

Fig 1: Identifying Injector (INJ) 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
F-150	198 PIN	E94 E95 E92 E85 E88 E83 E93 E82 E89 E90 E87 E84	INJ6RTN INJ6 INJ5RTN INJ5 INJ4RTN INJ4 INJ3RTN INJ3 INJ2RTN INJ2 INJ1RTN INJ1
All other vehicles	190-PIN	E6 E23 E2 E19 E3 E20 E5 E22 E4 E21 E1 E18	INJ6RTN INJ6 INJ5RTN INJ5 INJ4RTN INJ4 INJ3RTN INJ3 INJ2RTN INJ2 INJ1RTN INJ1