Pinpoint Test DI: Direct Fuel Injection Fuel Injector: Introduction
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, 2010 Lincoln Town Car, and 2010 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
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)
For PCM connector views or reference values, refer to REFERENCE VALUES .
POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PIN REFERENCE CHART
| Connector | Pin | Circuit |
|---|---|---|
| 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 |