BMW ONBOARD COMPUTER Bedienungsanleitung PDF herunterladen (Seite 24)

COMPONENT OPERATION

The LSZ control module receives inputs from the following switches:

Headlight/parking light switch, fog light switch, potentiometer and photo-transistor mount-

ed in the LSZ switch assembly.

• These inputs are received directly from the LSZ switch assembly.

TURN SIGNAL/HIGHBEAM SWITCH

• The turn signal and headlight (high/low) beam are resistance coded inputs over two wires

to the LSZ control module. The LSZ carries out the switching function based on the volt-

age drop input.

HAZARD WARNING SWITCH

• The hazard switch provides a ground input to the LSZ to control the operation of the haz-

ard warning lights.

• The hazard warning lights will be switched on in the event of an accident from the crash

sensor input provided by the MRS control module.

BRAKE LIGHT SWITCH

• The brake light switch is a hall sensor that receives power when KL R is switched on. The

switch is low until the brake pedal is pressed. When the LSZ receives a high signal from

the switch the brake lights are switched on.

• If the hall sensor fails, the brake lights will be switched on continuously.

E46 Driver Information

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BMW ONBOARD COMPUTER Bedienungsanleitung Seite 24