BMW ON-BOARD MONITOR AND NAVIGATION SYSTEMS FOR E38 E39 E46 E53 User Manual

71
On-Board Monitor and Navigation Systems
Speed Signals
A speed signal is provided to the navigation computer for detection of distance traveled and
vehicle speed to calculate the vehicles position on the digital map. The input is a processed
signal provided by the vehicles DSC control unit.
 E46: The speed signal used is from the
left rear
wheel.
 E38/E39/E52/E53: The speed signal used is from the
left front
wheel.
Reverse Gear Input
The reverse gear input is used by the navigation computer to distinguish between the
vehicle backing up or turning around.
 E38/E39/E52/E53: The reverse input is a high signal produced by the LCM III.
 E46: The reverse input is a high signal supplied by a splice from the back-up lights.
Mk-3 NAV
GS 20
Reverse
lights
Reversing
Light Relay
K6325
KL15
KL30
LCM
Mk-3 NAV
Reverse
lights
Automatic Transmission
version shown

BMW ON-BOARD MONITOR AND NAVIGATION SYSTEMS FOR E38 E39 E46 E53 Specifications

General

Brand	BMW
Model	ON-BOARD MONITOR AND NAVIGATION SYSTEMS FOR E38 E39 E46 E53
Category	Automobile Electronics
Language	English