Range Rover 2. Electrical Manual - part 219

SUPPLEMENTARY RESTRAINT SYSTEM (SRS)

N1

2

CIRCUIT DIAGRAM

REV: 08/99

Z151
SRS Diagnostic
Control Unit

X328
LH Pretensioner

15

F 23

10 A

7

C0575

C0067

1

C0229

G

E0360

14

C0040

2

C0252

X329
RH Pretensioner

1

2

C0254

P125a
Engine
Compartment
Fuse Box

17

C0256

5

6

9

1

2

4

3

C0256

B

KW

O

OR

N

NR

X318
Data Link
Connector
(OBDII)

SUPPLEMENTARY RESTRAINT SYSTEM (SRS)

N1

3

CIRCUIT DIAGRAM

REV: 08/99

[15]

Z142
Instrument
Cluster
[6]

SRS
Warning
Lamp 1

[7]

SRS
Warning
Lamp 2

[15] Control

Unit and
Message
Centre
Display

15

F 23

10 A

P125a
Engine
Compartment
Fuse Box

3

C0576

G

18

C0067
C0229

1

C0230




[7]

[6]




33

C0256

3

C0230

5

7

Z151
SRS Diagnostic
Control Unit

14

C0256

13

10

11

Z119
Rotary Coupler

YR

S

R

RY

1

2

C0257

K177
Driver’s Air Bag

K178
Passenger’s Air
Bag

2

C0433

1

W

WY

SUPPLEMENTARY RESTRAINT SYSTEM (SRS)

N1

4

CIRCUIT DIAGRAM

REV: 08/99

Z151
SRS Diagnostic
Control Unit

K239
LH Side Air Bag

1

2

C0948

16

17

WO

WP

K240
RH Side Air Bag

1

2

18

19

RO

RP

X333
LH Air Bag Front
Sensor

2

C0950

37

25

SK

SG

X334
RH Air Bag Front
Sensor

3

2

15

24

UK

UG

3

NAS

C0256

C0949

C1322

C0231

C0951

1

2

3

4

TRAILER AUXILIARY SOCKET

P1

CIRCUIT OPERATION

1

CIRCUIT OPERATION

Accommodation within the system has been made
for the addition of a trailer lighting system to consist
of 2 side lamps, 2 fog lamps, 2 reverse lamps, 2
brake lamps, 1 LH indicator and 1 RH indicator.

In addition to these loads, there is also a provision
for a 10 amp battery feed to the trailer.

Bulb Failure Diagnosis With Trailer

The diagnosis of external bulb failures will be
modified by the presence of a trailer as follows:

Brake lamps

D

Diagnosis of the RH vehicle and trailer lamps will
only detect a failure of all the filaments.

D

Diagnosis of the LH vehicle brake light is unaf-
fected.

Rear side lamps

D

Diagnosis of the LH rear side lamps will only
detect the failure of both the vehicle filament and
the trailer filament.

D

Diagnosis of the RH rear side lamps will only
detect the failure of both the vehicle filament and
the trailer filament.

Reverse lamps

D

Diagnosis of the RH vehicle reverse light and the
LH and RH trailer reverse lamps will only detect
failure of all of the filaments.

D

Diagnosis of the LH vehicle reverse light is unaf-
fected.

Fog lamps

D

Diagnosis of the RH vehicle rear fog light and the
LH and RH trailer fog lamps will only detect fai-
lure of all of the filaments.

D

Diagnosis of the LH vehicle rear fog light is unaf-
fected.