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.
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HOMESERVICE MANUALSMERCEDES BENZ2025SPRINTER 3500XD 2D CAB CHASSIS EXTENDED, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 3328 (ENGINE CONTROLS - PINPOINT TEST DL: CYLINDER HEAD TEMPERATURE (CHT) SENSOR THROUGH PINPOINT TEST DX: ENGINE COOLANT TEMPERATURE (ECT) SENSOR - (EXCEPT DIESEL & HYBRID))PINPOINT TEST DT: POWER STEERING PRESSURE (PSP) SENSORINTRODUCTION
2025 Mercedes Benz Sprinter 3500XD 2D Cab Chassis Extended, RWD
PINPOINT TEST DT: Power Steering Pressure (PSP) Sensor: Introduction
2025 Mercedes Benz Sprinter 3500XD 2D Cab Chassis Extended, RWDSECTION Introduction
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Crown Victoria Police Interceptor vehicles equipped with fire suppression system, refer to part 419-03 for Important Safety Warnings. Failure to follow these instructions may result in personal injury.
This pinpoint test is intended to diagnose the following:
- PSP sensor (3K215)
- harness circuit(s): PSP, SIGRTN and VREF
- powertrain control module (PCM) (12A650)
| Pin | Circuit |
|---|---|
| 3 | PSP (Power Steering Pressure) |
| 1 | SIGRTN (Signal Return) |
| 2 | VREF (Reference Voltage) |
For PCM connector views or reference values, refer to the REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Focus | 190 Pin | T29 | PSP |
| All other vehicles | 190 Pin | E24 | PSP |
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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.