Description
Siemens acceleration sensor for Peugeot 307 vehicles.
Product Overview
This Siemens acceleration sensor is designed for Peugeot 307 applications and is identified by the common part numbers listed below. The sensor provides reliable inertial information used by vehicle safety and stability systems to detect acceleration changes and impacts. It is a sought-after replacement part by professional technicians and DIY mechanics, often located by one of the product codes rather than by vehicle model.
Key Benefits
- OEM-quality Siemens component for correct integration with PSA systems.
- Direct reference by part numbers for fast lookup and fitment.
- Compact design with standard electrical connector for straightforward replacement.
- Useful for diagnosing and resolving faults that trigger ABS, ESP, or airbag related warnings.
How The Part Works
The acceleration sensor measures changes in linear acceleration and supplies that signal to the appropriate vehicle control unit. Control units use this data for functions such as traction and stability control and to assist in crash detection logic. Accurate sensor output is essential for correct system behavior; deviations or failures commonly trigger diagnostic trouble codes and warning lights.
How To Replace
Replacement should follow a structured workshop procedure. Typical steps include:
- Disconnect The Battery: Always disconnect the negative terminal and wait the recommended time before working on electrical systems.
- Access The Sensor: Remove trim panels or components necessary to reach the sensor location (consult a repair manual for the exact location on the Peugeot 307).
- Disconnect Electrical Connector: Unclip the connector carefully to avoid damaging terminals.
- Remove Mounting Fasteners: Unscrew retaining bolts/screws and remove the sensor.
- Install New Sensor: Fit the replacement unit, secure fasteners to manufacturer-recommended torque, reconnect the electrical connector and reassemble trim.
- Verify And Clear Faults: Use a diagnostic tool to read and clear fault codes and to confirm correct communication with the control units.
Installation Recommendations
- Follow Manufacturer Procedure: Use the vehicle manufacturer’s repair manual for exact sensor location and removal/installation steps.
- Disconnect Battery Before Work: To prevent electrical damage and unintended airbag deployment, always disconnect the battery before removal.
- Protect Connectors And Sealings: Ensure connectors are clean and contacts are free of corrosion; fit the sensor with proper sealing to avoid ingress of moisture.
- Use Diagnostic Equipment After Replacement: Confirm proper operation and clear any related fault codes with an OBD/diagnostic tool.
- If Unsure, Seek Professional Help: For complex access or safety-system involvement, have the job performed by a trained technician.
Why The Part Commonly Fails
- Environmental Damage: Moisture ingress and corrosion can degrade the sensor or connector contacts.
- Electrical Issues: Short circuits, wiring damage, or poor grounding can cause incorrect readings.
- Impact Or Mechanical Damage: Physical shocks from accidents or improper handling during repairs can impair sensor function.
- Age And Wear: Over many years, internal components may drift or fail, causing erroneous signals and warning lights.
- Connector Problems: Loose or corroded connectors often lead to intermittent faults rather than complete failure.
Technical Information
- Manufacturer: Siemens
- Model: Peugeot 307
- Product Codes: 9649474680, 5WK42989, 8216AL
- Additional Numbers: NFP
Compatibility
Designed For Peugeot 307 applications. Buyers commonly search using the part numbers above; ensure the referenced part number matches the unit being replaced.
Signs You Need Replacement
- Illuminated ABS, ESP, Or Airbag Warning Lights.
- Unstable Traction Or Erratic Stability Control Behavior.
- Stored Fault Codes Indicating Acceleration Sensor Malfunction.
- Visible Corrosion Or Damage To The Sensor Or Connector.
Final Notes
This acceleration sensor is a commonly used spare part for Peugeot 307 vehicles and is identified by the referenced Siemens and PSA numbers. Always observe safe working practices and consult professional-level documentation if you are unsure about any step of the replacement process.
