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Home >> Jaguar >> 2015 >> XFR-S >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Rear Disc Brake -- XF/X250 >> Rear Disc Brake - GTDI 2.0L Petrol/V6 S/C 3.0L Petrol/V8 S/C 5.0L Petrol >> Description And Operation >> Rear Disc Brake - System Operation And Component Description (G1348254) >> System Operation >> Brake Pad Wear Sensors

Brake Pad Wear Sensors

When a brake pad incorporating a brake pad wear sensor is approximately 75% worn, the sensor wire within the pad material is worn through and the brake pad wear sensor goes open circuit. When the instrument cluster detects the open circuit, it illuminates the amber LED (light emitting diode) in the brake warning indicator, displays an appropriate warning in the message center and sounds a warning chime.

Refer to: Instrument Cluster (Description and Operation).

NOTE: A new pad wear sensor lead must be fitted whenever the brake pads are changed, irrespective of the brake pad warning sensor being triggered.