PINPOINT TEST KA: Fuel Pump (FP) Relay: Introduction
WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator. 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)
Fuel Pump (FP) Relay Connector
The VPWR and FP circuits may be reversed in the harness connector. Refer to the appropriate System Wiring Diagram article for schematic and connector information.
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PINS REFERENCE CHART
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Fusion, MKZ |
140 PIN | B30 B62 |
FPM FP |
| Ranger | 170 PIN | B21 B12 |
FPM FP |
| All other vehicles | 190-PIN | B32 B19 |
FPM FP |