Range Rover 2. Electrical Manual — part 218
MEMORY MIRRORS
M7
6
CIRCUIT DIAGRAM
REV: 11/99
R
M
30
F 22
30 A
S351
1
4
2
M
3
5
6
[1]
E0809
See Ground
Distribution
G
U
S
Y
4
C1365
C1369
1
B
M152
Left Memory Mirror
[1]
Left/Right
[2]
Up/Down
[3]
Vertical
Potentiometer
[4]
Horizontal
Potentiometer
12
B
Z243
Left Front Door
Outstation
Z243
Left Front Door
Outstation
B
B
See Ground
Distribution
3
8
7
2
1
9 C1580
7
Z238
Body Electrical
Control Module
(BECM)
30
F 9
20 A
12 C0319L
P
C1407L
[2]
13
10 C0319L
W
5 C1407L
BR
10
11
O
6
11
[3]
[4]
(MY 1999)
PO
8
C1286
3
C1580
8
C1383L
C1364
OG
9
15
5
R
10
14
4
LG
1
13
3
PB
8
C1291
10
3
C1384L
C1365
C1578
(MY 2000)
(MY 1999)
C1368
(MY 2000)
3
C1366
6
2
1
(MY 1999)
(MY 2000)
(MY 1999)
(MY 2000)
C1379L
C1578L
C1384L (MY 1999)
(MY 2000)
(MY 1999)
(MY 2000)
MEMORY MIRRORS
M7
7
CIRCUIT DIAGRAM
REV: 11/99
R
M
30
F 22
30 A
S351
1
4
2
M
3
5
6
[1]
E0807
See Ground
Distribution
G
U
S
Y
4
C1578R
C1384R
1
B
M151
Right Memory
Mirror
[1]
Left/Right
[2]
Up/Down
[3]
Vertical
Potentiometer
[4]
Horizontal
Potentiometer
12
B
Z244
Right Front Door
Outstation
Z244
Right Front Door
Outstation
B
B
See Ground
Distribution
3
8
7
2
1
9 C1406
7
Z238
Body Electrical
Control Module
(BECM)
30
F 9
20 A
12 C0319R
P
C1407R
[2]
13
10 C0319R
W
5 C1407R
BR
10
11
O
6
11
[3]
[4]
(MY 1999)
PO
12
C1285
3
C1406
8
C1383R
C1373
OG
10
15
5
R
9
14
4
LG
19
13
3
PB
2
C1284
10
3
C1384R
C1372
PU
12
6
2
C1586
(MY 2000)
(MY 1999)
C1583
(MY 2000)
(MY 1999)
C1578R (MY 2000)
C1585
(MY 2000)
(MY 1999)
3
C1568
6
2
1
(MY 1999)
(MY 2000)
(MY 2000)
(MY 1999)
C1379R
C1372
C1583
(MY 1999)
(MY 2000)
(MY 1999)
(MY 2000)
MEMORY MIRRORS
M7
8
CIRCUIT DIAGRAM
ADD: 11/99
5
C1578L
C1368
LG
UB
9
6
M152
Left Memory
Mirror
8
C0319L
11
C1374
C1378
12
5
C1578R
C1583
9
6
M151
Right Memory
Mirror
8
C0319R
10
C1424
C1570
9
B110
Electrochromatic
Rear View Mirror
4
C0698
5
LG
UB
(MY 2000)
With Electrochromatic
Door Mirrors
Supplementary Restraint System (SRS)
N1
CIRCUIT OPERATION
1
CIRCUIT OPERATION
The Supplementary Restraint System (SRS)
provides enhanced passive protection for the driver
and front passenger in the event of a serious
collision.
SRS Diagnostic Control Unit (Z151)
The power supply to the SRS Diagnostic Control
Unit (Z151) is fed via fuse 23 in the engine
compartment fuse box, when the ignition is turned to
position II. The SRS warning lamp in the Instrument
Cluster (Z142) will be illuminated for a period of
approximately 5 seconds after the ignition switch is
tuned to position II, while the SRS Diagnostic Control
Unit (Z151) performs a system integrity check. If a
fault should be detected, the relevant fault code will
be stored in the SRS Diagnostic Control Unit (Z151)
memory and the warning lamp will remain illuminated
for the remainder of the ignition cycle.
The SRS Diagnostic Control Unit (Z151) monitors
the following components during the power–up
phase and for the complete ignition cycle.
D
Accelerometers
D
Safing sensor
D
SRS Diagnostic Control Unit (Z151) micropro-
cessor
D
Front airbags
D
Side airbags
D
Seatbelt pre–tensioners
D
Front crash–sensors (NAS only)
D
SRS warning lamps
The SRS Diagnostic Control Unit (Z151) contains a
main sensor which is the primary device for
detecting the presence of a crash condition, and a
safing sensor which is used for confirmation of a
crash condition. This confirmation signal is provided
to prevent unintentional detonation of SRS system
components. If in the event of a frontal or front
angled collision, both sensors exceed the trigger
values stored in the SRS Diagnostic Control Unit
(Z151) memory, electronic switches are activated
which allow electrical current to be supplied to the
airbags and seatbelt pre–tensioners. The airbags
and seatbelt pre–tensioners are then activated by a
control signal from the SRS Diagnostic Control Unit
(Z151).
Warning:
Only fully trained and authorised personnel
should be allowed to work with SRS
components.
Unintentional detonation of an SRS system
component or the consequent failure of a
component in a crash condition may cause
serious injury.
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