Bulb Monitoring - BMW 1999-2005 M3 Service Manual

Lights
3 of 6
http://ebahn.bentleypublishers.com/BMW/3/E46/Repair%20Manuals/6...
Headlight/taillight/running light
control switch
Foglight switch
Instrument dimmer control
Light control module
In addition to normal light control, the
LSZ provides the following functions:
Hot and cold monitoring of the
exterior bulbs
Emergency lighting function
Short circuit protection
Redundant storage of mileage
and service interval data
Automatic headlight adjustment
(LWR) programmed control (if
equipped)

Bulb monitoring

The light control module monitors the
following bulbs in both hot and cold
states:
High/low beams
Brake lights
Turn signal lights
Taillights
2/25/2009 11:14 PM