11
E46 Driver Information
DIGITAL INPUT SIGNALS
The normal ignition switch terminals (KL R, KL 15 & KL 50) are input to the cluster. Various
functions are dependent on ignition switch position.
STEERING COLUMN SWITCH - As with previous systems the turn signal stalk is used to
call up BC functions.
BRAKE PAD WEAR SENSORS - The pad sensor inputs are used to illuminate the brake
pad warning indicator as in the past.
INSTRUMENT PANEL BUTTON - The reset button is used to reset the trip - odometer
as in the past. It will also display the mileage, if pressed with the key switched OFF. This
button is also used for the Base BC/instrument cluster test functions outlined on page 15.
INPUTS FOR WARNING LAMPS - Various switches are used to signal the cluster for
warning and indicator lamp illumination including:
WARNINGS FOR CONVERTIBLES
• The seat belt warning lamp is illuminated when the seat belt is not fastened and
FLASHES when the front seat back is not locked into position.
• The Roll over Protection System warning lamp is illuminated when there is a fault in the
RPS system.
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