Pinpoint Tests W: Exhaust Gas Recirculation (EGR) System: Introduction
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2022 Ford F-550 Super Duty, 2022 Ford F-450 Super Duty, 2022 Ford F-350 Super Duty, 2022 Ford F-250 Super Duty, and 2021 Ford F-550 Super Duty. 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 circuits: VREF, EGRVCH, EGRVCL, EGR and SIGRTN
- EGR valve (9D475)
- PCM (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| F-150 | A | 1 2 5 4 3 |
EGRVCH EGRVCL EGR SIGRTN VREF |
| Transit Connect | B | 4 2 5 3 1 |
EGRVCH EGRVCL EGR SIGRTN VREF |
| All other vehicles | C | 6 2 3 1 5 |
EGRVCH EGRVCL EGR SIGRTN VREF |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| F-150 | A | 45 66 57 |
EGRVCH EGRVCL EGR |
| Transit Connect | B | 88 93 41 |
EGRVCH EGRVCL EGR |
| All other vehicles | A | 107 86 57 |
EGRVCH EGRVCL EGR |