Pinpoint Tests MB: Fuel Rail Pressure (FRP) Sensor: Introduction
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Ford Transit-350 HD, 2018 Ford Transit-350, 2018 Ford Transit-250, 2018 Ford Transit-150, and 2018 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: FRP, VREF and SIGRTN
- FRP sensor (9F838)
- PCM (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Transit | A | 2 1 3 |
FRP SIGRTN VREF |
| All other vehicles | B | 2 3 1 |
FRP SIGRTN VREF |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Transit | A | 7 | FRP |
| All other vehicles | B | 15 | FRP |