Pinpoint Tests W: Exhaust Gas RECIRCULATION (EGR) System: Introduction
WARNING: This page is about a different car, the 2020 Ford F-550 Super Duty, 2020 Ford F-450 Super Duty, 2020 Ford F-350 Super Duty, 2020 Ford F-250 Super Duty, and 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Regeneration may occur during normal operation. During regeneration, diagnostic procedures may display biased values. If a regeneration occurs during diagnostic procedures, allow the process to complete before continuing diagnostics.
This pinpoint test is intended to diagnose the following:
Harness Side
| Circuit | Pin |
|---|---|
| VREF (Reference Voltage) | 5 |
| EGR (Exhaust Gas Recirculation) | 3 |
| EGRVCL (Exhaust Gas Recirculation Valve Control Low) | 2 |
| EGRVCH (Exhaust Gas Recirculation Valve Control High) | 6 |
| SIGRTN (Signal Return) | 1 |
Harness Side
| Circuit | Pin |
|---|---|
| EGR (Exhaust Gas Recirculation) | 57 |
| EGRVCL (Exhaust Gas Recirculation Valve Control Low) | 86 |
| EGRVCH (Exhaust Gas Recirculation Valve Control High) | 107 |