Range Rover. Manual — part 331
NAVIGATION SYSTEM
5
DESCRIPTION AND OPERATION
18 way MQL - Blue
Pin No.
Description
Input/Output
1
+12V Permanent feed
Input
2
Not used
-
3
K-bus
Input/Output
4
Not used
-
5
Green Video + sync 50
Ω
to LCD display
Output
6
Blue video 50
Ω
to LCD display
Output
7
Red video 50
Ω
to LCD display
Output
8
Green video 75
Ω
output to video module
Output
9
Navigation audio +
Output
10
Ground
Input
11
Not used
-
12
Ground for LCD display
Output
13
Not used
-
14
Video ground for 50
Ω
output
Output
15
Not used
-
16
Video ground for 50
Ω
output
Output
17
Not used
-
18
Navigation audio -
Output
87
NAVIGATION SYSTEM
NEW RANGE ROVER
6
DESCRIPTION AND OPERATION
18 way MQL
Pin No.
Description
Input/Output
1
Reversing light signal
Input
2
Navigation audio -
Output
3
+12V Auxiliary feed
Input
4
Navigation audio +
Output
5
RS232 data transmit
Output
6
RS232 data receive
Input
7
Not used
-
8
Serial data link to GPS receiver
Output
9
Serial data link from GPS receiver
Input
10
Left road speed signal
Input
11
Not used
-
12
Not used
-
13
Test output (MUTE)
Output
14
Ground for RS232 data transmit
Output
15
Ground for RS232 data receive
Input
16
Pulse per second from GPS receiver
Input
17
Serial data link to GPS receiver - inverted
Output
18
Serial data link from GPS receiver - inverted
Input
NAVIGATION SYSTEM
7
DESCRIPTION AND OPERATION
Global Positioning System (GPS) Receiver
The GPS receiver is located in the right hand side of
the luggage compartment underneath the parcel tray
support panel. The GPS receiver receives information
from between 1 and 8 satellites at any one time. This
information is received from the GPS antenna. The
GPS receiver fulfills the following functions:
•
Calculation of position (i.e. Latitude, longitude
and height), direction and speed.
•
Collection and storage of almanac data.
•
Real-time clock.
The GPS receiver communicates with the navigation
computer via a serial link. The GPS receiver transmits
position and time information to the navigation
computer via its serial link. The navigation computer
can also extract configuration and status information
from the GPS receiver via this link.
87
NAVIGATION SYSTEM
NEW RANGE ROVER
8
DESCRIPTION AND OPERATION
C959 - 12 way MQL - Black
Pin No.
Description
Input/Output
1
Ground
Input
2
RS422 from navigation computer
Input
3
RS422 from navigation computer - inverted
Input
4
RS422 to navigation computer - inverted
Output
5
RS422 to navigation computer
Output
6
Pulse per second to navigation computer
Output
7
+12V Accessory feed
Input
8
+12V Permanent
-
9
Not used
-
10
Not used
-
11
Not used
-
12
Not used
-
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