Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Pinpoint Test FD: Brake Pedal Inputs: Introduction
This pinpoint test is intended to diagnose the following:
- brake pedal position (BPP) (13480)
- brake pressure switch (9F924), (9C872)
- harness circuits: B+, BPP and BPS
- powertrain control module (PCM) (12A650)
Refer to the appropriate SYSTEM WIRING DIAGRAMS article for specific vehicle application and pin locations.
For PCM connector views or reference values, refer to REFERENCE VALUES .
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Crown Victoria, Grand Marquis, Town Car |
170 Pin | B9 | BPS |
| E-Series 6.8L, F-Series Super Duty |
170 Pin | E65 B8 |
BPS BPP |
| Edge, Flex 4V 3.5L, MKS 3.7L, MKT 3.7L, MKX, Taurus 4V 3.5L |
190-Pin | B47 B46 |
BPS BPP |
| Explorer, Explorer SportTrac, Mountaineer, Mustang |
170 Pin | B9 B8 |
BPS BPP |
| Fusion 3.5L, MKZ |
140 Pin | B47 B46 |
BPS BPP |
| Ranger | 170 Pin | B8 | BPP |
| All other vehicles | 190-Pin | B46 B13 |
BPS BPP |
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.