Description
AFIL lane monitoring sensor number 1 for Citroën and Peugeot vehicles. The screw that secures the unit to the wheel arch may be seized – it will be necessary to drill it out.
The AFIL sensor is a dedicated lane monitoring / lane departure sensor used on a range of Citroën and Peugeot models. Designed for fitment into the vehicle body and connected to the driver assistance system, this sensor provides the necessary input for lane-keeping and lane-departure warnings. The unit is commonly identified by original part numbers and alternative codes, which technicians and DIY enthusiasts frequently use when searching for replacements.
Key Functions
– Detects Lane Departure Signals And Feeds Data To The Vehicle’S Driver Assistance Module.
– Contributes To Lane Keeping And Warning Functions By Monitoring Vehicle Position Relative To Lane Markings.
– Provides A Plug‑And‑Play Electrical Interface For Integration With The Vehicle’S Electronic Systems.
Compatibility
Typical Fitment Includes (Examples):
- Citroën C4
- Citroën C4 Picasso
- Citroën C5
- Citroën C5 X7
- Citroën C6
- Peugeot 308
- Peugeot 407
Technical Information
- Manufacturer: Stellantis
- Model(s): Citroën, Peugeot (See Compatibility Section)
- Product Codes: 9663116180, 603.011, 6590W1
- Other Numbers: AFIL Sensor 1
Installation Recommendations
To Replace The Sensor: Remove The Relevant Wheel And Inner Fender Liner To Access The Unit Mounted To The Wheel Arch Or Inner Wing. Disconnect The Electrical Connector Before Unscrewing The Mounting Fastener. If The Mounting Screw Is Seized (A Common Issue), Carefully Drill Out Or Extract The Screw Using Appropriate Tools, Taking Care Not To Damage The Sensor Housing Or Surrounding Panels. Clean The Connector Contacts, Apply Dielectric Grease, And Reassemble With Correct Routing Of Wiring And Secure Fixings.
Common Failure Reasons
The Most Frequent Causes Of Failure Are Mechanical Damage From Road Debris Or Impacts, Corrosion And Water Ingress Affecting The Connector Or Electronics, And Seized Or Rusted Mounting Screws (Often Requiring Drilling Out). Electrical Contact Problems Or Wiring Damage Can Also Cause Intermittent Faults.
Part Numbers Commonly Used In Searches: 9663116180, 603.011, 6590W1. This Sensor Is Intended For Technicians And Experienced DIYers Who Are Familiar With Working In The Wheel Arch Area And Removing Inner Liners.
