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

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Page 271

ELECTRICAL TROUBLESHOOTING MANUAL
ETM J1
Interior Lamps (except NAS)
15
DISCOVERY
15
F 18
10 A
See Ground Dis-
tributionP126
Fascia Fuse Box
B102
Automatic Gear
Selector Illumi-
nation
2 C346G 5 C204
1.0 GLG
S274
HJ1
See Fuse Details
0.5 GLG
G
B B
S2015
HJ10
0.5 B
E200 1 C346

Page 272

ELECTRICAL TROUBLESHOOTING MANUA L
J1 ETM
Interior Lamps (except NAS)
16
DISCOVERY
Z148
Multi±Function
Unit (MFU)
18
0.5 PW
S261
0[1]
1 C708
X142
Left Rear Door
Switch
[1] Open
0[1]
1 C608
X118
Right Front Door
Switch
[1] Open
S309
0[1]
1 C808
X163
Right Rear Door
Switch
[1] Open
1 C306
0[1]
1 C508
X150
Left Front Door
Switch
[1] Open S2013
drivers side0.5 PW
C2055
S435
0[1]
1 C451
X265
Rear End Door
Switch
8 C415 Not used11 C277
0.5
PW
Except NAS NAS
0.5 PW

Page 273

ELECTRICAL TROUBLESHOOTING MANUAL
ETM J2
Cigar Lighter/Clock
1
DISCOVERY

* ,* 
-

 


*  )
 !+)


 ),& *.
+),+& &+)) %(*



C226
1.0 LGW
C353 C356
C353
1.0 B0.5 RN

* ,* 
-

 
C208


+$$+ ,*

- 

 


C270


0.5 LG
 ,*
+$* ,*
+$*

0.5 PN
	
$#
C270
&+)) %(*
0.5 RN

 ),& *.
+),+&
 0.5 B

Page 274

BLOWER CONTROLS
1
ETM   K1
DISCOVERY
ELECTRICAL TROUBLESHOOTING MANUAL
CIRCUIT OPERATION
Front Blower
With the Ignition Switch (X134) in position II,
battery voltage is applied to the Ignition Load Relay
(K127). The relay is energized, applying battery
voltage to the Front Blower Motor Relay (K192).
When the Front Fan Speed Switch (X247) is turned
to position I, ground is applied to terminal 85 of the
Front Blower Motor Relay (K192). The relay is
energized, applying battery voltage to terminal 2 of
the...

Page 275

BLOWER CONTROLS
2
K1 ETM
DISCOVERY
ELECTRICAL TROUBLESHOOTING MANUA L
Heated Air
With the Ignition Switch (X134) in position II,
battery voltage is applied to the Ignition Load Relay
(K127). The relay is energized, applying battery
voltage to the Left Maximun Cool Switch (X267).
When the Left and Right Temperature Controls are
turned to the maximum cool position, the Left
Maximum Cool Switch (X267) and Right Maximum
Cool Switch (X268) close. Battery voltage is now
applied to the Water Valve (K206). The...

Page 276

ELECTRICAL TROUBLESHOOTING MANUAL
ETM   K1
Blower Controls
3
DISCOVERY
15
F 15
10 A
A
K1-4
15
25 A
S2045
P126
Fascia Fuse BoxP127
Satellite Fuse
Box 1
Z211
Fan Timer Diode 9 C204
0.5 LGP
85 30 C2007
K127
Ignition Load
Relay 8530
8687
86 87
0.5 GW 0.5 B
2.0 WG
0.5 WG2.0 WG
S227
18 C217 1.0 WG
Cooling Fans K2
Compressor
Controls
E200
See Fuse DetailsSee Fuse Details
See Ground Dis-
tribution
F 6
S2015HJ10C2007
0.5 WG
B
K1-7
13 C212 0.5 WG
1.0 WG
2.0 WG
7 C2073
1.25 UR Without Air
ConditioningWith Air...

Page 277

4
ELECTRICAL TROUBLESHOOTING MANUA L
K1 ETM
Blower Controls
4
DISCOVERY
S2039
10 A
2 C2071
E200
See Ground Dis-
tribution
D
CK1-5 K1-6
C2066
5
1 C2071
0.5 YB
1 C2072
3 C2072 2
0.5 UB 0.5 RG
11 C2066 6
0.5 UB 0.5 RG
5 C2067 6
0.5 WB
1 C2026
2 C2026 5 31.0 RG
S2038
1.25 UR
10 C2067
1.0 UR
Interior Lamps
0.5 LG
X180
Air Supply Selec-
tor Switch
[1] Recirculate
Inside Air
[2] Fresh Air 1.0 UR S263
5 C2025
X225
Front A/C Switch K123
Air Recirculation
Solenoid
[1] Solenoid in
Fresh Air
Position
[2] Solenoid...

Page 278

ELECTRICAL TROUBLESHOOTING MANUAL
ETM K1
Blower Controls
5
DISCOVERY
S204
2 C2023
E200
See Ground Dis-
tribution
0.5 LG1.0 UR
4
X267
Left Maximum
Cool Switch
[1] Temperature
Control in
Maximum
Cool Posi-
tion
1 C2023
0.5 S
4 C2067
1.25 S
10 C2073
0.5 YR
1 C179
K206
Water Valve
2 C179
0.5 B
S244
E201 0.5 WB3
Interior Lamps
HJ10
B140
Ventilation Con-
trol Panel Illumi-
nation
0[1]
X268
Right Maximum
Cool Switch
[1] Temperature
Control in
Maximum
Cool Posi-
tion
0[1]
Early Production
C
K1-4

Page 279

3.0 BO
ELECTRICAL TROUBLESHOOTING MANUA L
K1 ETM
Blower Controls
6
DISCOVERY
S2040
30
MF 2
60 A
1C114
E200
M
See Fuse Details
1 C2068
D
K1-4
5 1.25 UR
87a87
30
42 3
3.0 WR
C2069
C2069 2
1
C2068
0.5 N
M101
Front Blower
Motor4 C2066K192
Front Blower
Motor Relay
S2056
0.5
NC2067
21.0
N
X225
Front A/C Switch
1 C2025
C2070 1
C2070
C20702
32.0
G
2.0
PU
C2070 4
See Ground Dis-
tribution
C2066C2027
3.0
WB1 C2022
0III
III
IV0III
III
IV
X247
Front Fan Speed
Switch
C202253 4 2 2.0 N2.0 PU
2.0 G3.0 BO
5 4 3 2 Z214...

Page 280

ELECTRICAL TROUBLESHOOTING MANUAL
ETM K1
Blower Controls (with Rear A/C)
7
DISCOVERY
E400
K194
Rear A/C Control
Relay 86
See Ground Dis-
tribution
2 C448
2 C4631.0 WG
B
K1-3
1.25 WG
8530
87
1
0.5 G3
6 C467
Z216
Rear A/C Switch
Amplifier
3 C463
0.5 BS429
S426
K205
Rear A/C Fan
Speed Relay 86
2 C466
8530
871
34 C466
0.5 S
S430
K204
Rear A/C Illumi-
nation Relay 86
2 C465
8530
871
34 C465
1.25 UW
G
K1-8
0.5 BR 0.5 S
F
K1-8
H
K1-9
I
K1-9
E
K1-10

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