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Home >> BMW >> 1985 >> 635CSi Automatic >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel - Standard >> Description >> Active Check Control

Active Check Control

With ignition switch on, active check control alarm indicator flashes and BRAKE LIGHTS illuminates for test purposes. With ignition on, fault monitoring begins. To monitor low beams, rear lights or license lights, circuits must be in use.

Brake lights are monitored only while brake pedal is depressed. When a fault occurs, alarm indicator flashes appropriate LED indicator lights and panel light goes on for 5 seconds. Depressing "TEST" button will clear alarm indicator while LED fault indicator remains on. To test unit, depress "TEST" button. LED fault indicators and panel lights should go on.