Brake pad wear sensor testing - MINI Cooper R56, R55, R57

Abstract: Testing brake pad wear indicator

Applies to: MINI Cooper: 2007-2010 (R56, R55, R57)

MINI R56, R55, R57 models utilize a 2 stage break pad wear sensor. The sensor is used along with sensor data to determine brake pad life and remaining time until service.

If sensor is partially worn and reinstalled after brake service, service indicator reset is not obtainable.

Brake pad wear sensor , tesing

Visually inspect sensor. Check that body is intact and not worn.

Sensor that shows wear, test using digital volt ohm meter (DVOM)

Disconnect sensor electrical connector.

Using a DVOM, measure resistance accross both terminals

Less than 5 ohms indicates a good, unworn sensor

A reading of about 470 ohms indicates a partially worn sensor and requires replacement.

A reading of open circuit (infinity) indicates a worn out sensor and requires replacement.