PINPOINT TEST HE: Exhaust Gas Recirculation (EGR) Systems: Introduction
WARNING: This page does not describe the selected car, but rather 35 other vehicles, including the 2007 Mercury Mountaineer, 2007 Mercury Monterey, 2007 Mercury Montego, 2007 Mercury Milan, and 2007 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- differential pressure feedback exhaust gas recirculation (EGR) sensor (9J460)
- EGR valve (9D460) (9D475)
- EGR vacuum regulator solenoid (9J459)
- orifice tube assembly (9D477)
- differential pressure feedback EGR sensor pressure hoses
- vacuum lines
- harness circuits: VREF, DPFE, SIGRTN, EVR, VPWR, VREF and PWRGND
- powertrain control module (PCM) (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Vehicles equipped with a tube mounted differential pressure feedback EGR sensor | A | 3 2 1 |
DPFE SIGRTN VREF |
| All other vehicles | B | 1 2 3 |
DPFE SIGRTN VREF |
| Pin | Circuit |
|---|---|
| 2 | EVR (EGR Vacuum Regulator) |
| 1 | VPWR (Vehicle Power) |
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to the REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Ranger | 170 Pin | B47 E63 E57 E58 E21 |
PWRGND EVR VREF SIGRTN DPFE |
| Taurus | 104 Pin | 103 47 90 91 65 |
PWRGND EVR VREF SIGRTN DPFE |
| All other vehicles | 150 (50-50-50) Pin | B47 E27 E40 E41 E44 |
PWRGND EVR VREF SIGRTN DPFE |