Pinpoint Test DI: Direct Fuel Injection Fuel Injector: Introduction

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: Injector (INJ) Connector

Courtesy of FORD MOTOR CO.

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