Land Rover Discovery Lhd Models Etm 1995 4th Edition Exp Rover Manual

							ELECTRICAL TROUBLESHOOTING MANUAL
ETM T1
Theft Alarm System
11
DISCOVERY
85
1
 
Starting and
Charging
Starting and
Charging
Automatic Trans-
missionManual Trans-
missionK137
Starter Solenoid
Relay
Z158
Starter Relay
Diode
X167
Park/Neutral
Position Switch K110
Cruise Control
Lockout Relay
85
30 C2006 0.5 WR 3.0 NW
8630
87
86 87 C2006
0.5 BO
0.5 BY
S2005
HJ2
10 C105 Automatic Trans-
mission
0.5 BY
11 C105
0.5 BO
1 C274
Z163
Theft Alarm Unit 0.5 BY
S322
5 C323
B
0.5 BG
4 C323
0.5 BO
R
N P
2
3
D
85
85 C2021
0.5 BY
2 C218
2.0 NR
Starting and
Charging
Starting and
Charging
1 
						

							ELECTRICAL TROUBLESHOOTING MANUA L
T1 ETM
Theft Alarm System
12
DISCOVERY
30
F 1
15 A
S2033
E200
See Fuse Details
85 C280
1.0 P
P127
Satellite Fuse
Box 1
1.0 P
3086 C280
30 86
85 87K160
Sounder Relay
87
1 C176
1 C175Z171
Alarm Sounder
S204
HJ3See Ground Dis-
tribution
0.5 PB
Z163
Theft Alarm Unit
3 C274 Except NAS NAS0.5 OB
0.5 POS245
Horns
86 C283
3085 C283
30 85
86 87K189
Horn Relay
87
1.5 PG0.5 PO
S20572 C168
1 C168K128
Left Horn
0.5 BE201
See Ground Dis-
tribution
K134
Right Horn
E200
2 C169
1 C169
30
F 4
20 AP125
Engine Compart-
ment Fuse Box
4 C101
1.5 PN
S103
See Ground Dis-
tribution 
						

							ELECTRICAL TROUBLESHOOTING MANUAL
ETM T1
Theft Alarm System
13
DISCOVERY
30
F 2
20 A
CT1-14
DT1-14
P127
Satellite Fuse
Box 1
S275
1.0 PU
C279 86 30
86
8530
87a 87
85 87a C279
0.5 BK
11 C225E200 1.0 PU
Z163
Theft Alarm Unit
See Fuse Details
1.0 GW
S2019
HJ61.5
GW
0.5 GW
1 C123
B137
Right Repeater
Lamp
2 C123
0.7 GW
2 C1010
1 C1010
0.5 B
S2016
See Ground Dis-
tributionB154
Right Front Indi-
cator LampK159
Theft Alarm
Relay
0.5 GR
S2020
HJ6
0.7 GRC124 1
B122
Left Repeater
Lamp
C124 2
0.7 B
S2033
E201
See Ground Dis-
tribution 0.5 B1.0 GR87
0.5 B
1 C1010NAS
Except NAS
2 C1010
NAS
Except NAS
HJ10
HJ111.5
GR
2 C1009
1 C1009B153
Left Front Indica-
tor Lamp
1 C1009NAS
Except NAS
2 C1009
NAS
Except NAS 
						

							ELECTRICAL TROUBLESHOOTING MANUA L
T1 ETM
Theft Alarm System
14
DISCOVERY
CT1-13Direction Indicator Lamps
1.5 GW
S239
C204 14 161.5 GR
S241 1.5
GW
DT1-131.5
GR
KLP126
Fascia Fuse Box
Z148
Multi±Function
Unit (MFU)
B165
Right Rear Indicator
Lamp 6 C211 4 C211
1.5 GW 1.5 GR
S432 192 C277
S405
3 C400
1.5 B
S423
E400 E401 S4241.5 B2 C445 1 C445Auxiliary Lamps
Enabled with
Main Lighting
Switch in Main
Beam or Dip
Beam PositionAuxiliary Lamps
Enabled with
Main Lighting
Switch in Main
Beam Position
Right Direction
Indicator LampsLeft Direction
Indicator Lamps
4
See Ground Dis-
tributionSee Ground Dis-
tribution
B163
Left Rear Indicator
Lamp
2 C442 1 C442 
						

							THEFT ALARM SYSTEM
15
ETM T1
DISCOVERY
ELECTRICAL TROUBLESHOOTING MANUAL
TROUBLESHOOTING HINTS
13. Check Fuses F1, F2 and F5 in Satellite Fuse
Box 1.
14. Check Fuse F5 in Satellite Fuse Box 2.
15. If the interior lights do not come on when a
door is open, check suspect door switch and
associated wiring.
16. If all of the lock actuators do not operate,
check O and K  Wire. If OK, replace Theft
Alarm Unit (Z163).
SYSTEM DIAGNOSIS
1. If the system will not arm, do Test A.
2. If the system arms, but will not trigger at all, do
Test C.
3. For Except NAS Vehicles: 
If the Alarm Sounder (Z171) does not sound
when triggered, do Test C.
For NAS Vehicles: 
If the Horns (K128, K134) do not sound when
triggered, do Test D.
4. If the hazard lights do not flash when triggered,
do Test H.
5. If the system will not trigger when the bonnet is
open, do Test I.
6. If the alarm is set using the remote and the
system does not trigger the alarm when there
is motion inside the vehicle, do Test J.
7. If the Theft Alarm LED (B151) does not
operate, do Test E.
8. For Except NAS Vehicles: 
If the Alarm Sounder (Z171) sounds
continuously, do Test F.
For NAS Vehicles: 
If the Horns sound (K128, K134) continuously,
do Test G.
9. If the system will not disarm, do Test A.
10. If a Front Door Lock Actuator (M114, M122)
does not operate, do Test K.
11. If the doors unlock themselves after operating
the door locks, do  Test L.
12. If the central locking function does not operate
from one of the front doors, do  Test M.13. If the Tailgate Lock Actuator (M132) does not
operate, do Test N.
14. If both Rear Door Lock Actuators (M117,
M125) do not operate, do Test O. 
						

							ELECTRICAL TROUBLESHOOTING MANUA L
T1 ETM
Theft Alarm System
16
DISCOVERY
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Theft Alarm Unit

	


	



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							ELECTRICAL TROUBLESHOOTING MANUAL
ETM T1
Theft Alarm System
17
DISCOVERY


Z163
Theft Alarm Unit


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							ELECTRICAL TROUBLESHOOTING MANUA L
T1 ETM
Theft Alarm System
18
DISCOVERY







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							ELECTRICAL TROUBLESHOOTING MANUAL
ETM T1
Theft Alarm System
19
DISCOVERY


Z163
Theft Alarm Unit


Z148
Multi±Function
Unit (MFU)

	






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							ELECTRICAL TROUBLESHOOTING MANUA L
T1 ETM
Theft Alarm System
20
DISCOVERY
Left Front Door
Switch
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Sounder Relay





	
		
	







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