Pinpoint Test Di: Direct Fuel Injection Fuel Injector: Introduction
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 2020 Lincoln Navigator, 2020 Lincoln Nautilus, 2020 Lincoln MKZ, 2020 Lincoln Corsair, and 2020 Lincoln Continental. 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:
Harness Side
| Circuit | Pin |
|---|---|
| INJ (Injector) | 1 |
| INJRTN (Injector Return) | 2 |
Harness Side
| Circuit | Pin |
|---|---|
| INJ1 (Injector 1) | E83 |
| INJ1RTN (Injector 1 Return) | E78 |
| INJ2 (Injector 2) | E82 |
| INJ2RTN (Injector 2 Return) | E77 |
| INJ3 (Injector 3) | E93 |
| INJ3RTN (Injector 3 Return) | E88 |
| INJ4 (Injector 4) | E94 |
| INJ4RTN (Injector 4 Return) | E89 |