Pinpoint Test KA: Fuel Pump (FP) Relay: Introduction
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, 2010 Lincoln Town Car, and 2010 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- FP relay (9345)
- inertia fuel shutoff (IFS) switch (9341)
- harness circuits: B+, VPWR, FP, GND, FPM, and FPPWR
- powertrain control module (PCM) (12A650)
The VPWR and FP circuits may be reversed in the harness connector. Refer to the appropriate SYSTEM WIRING DIAGRAMS article for schematic and connector information.
For PCM connector views or reference values, refer to REFERENCE VALUES .
POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PIN REFERENCE CHART
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Focus, Transit Connect |
190-Pin | B32 B19 |
FPM FP |
| Fusion, MKZ |
140 Pin | B30 B62 |
FPM FP |
| Ranger | 170 Pin | B21 B12 |
FPM FP |
| All other vehicles | 190-Pin | B30 B62 |
FPM FP |