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Land Rover Discovery Lhd Models Etm 1995 4th Edition Exp Rover Manual
Land Rover Discovery Lhd Models Etm 1995 4th Edition Exp Rover Manual
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![Page 206
0.7
GS
ELECTRICAL TROUBLESHOOTING MANUAL
ETM F1
Front Wipe/Wash
1
DISCOVERY
15
F 16
20 A
E200E110
A
F1-2 C204 10
0.7 GS
S232P126
Fascia Fuse Box
0.7 GS0.7 NLG87 85 C2008
3 C202
K185
Front Wiper
Relay
X124
Front Wipe/Wash
Switch
[1] Single Wipe
[2] Hi
[3] Lo
[4] Int 0.7 GS
S242
See Fuse Details 87a87
308685
30 86 C2008
0.5 NS 0.7 LGP
8 C202
6 8 C20150.5 GS
0 [1]
[2]
[3]
0[4][1]
0
4
3 C2015
0.7 RLG 0.7 ULG
12 10 C202
5 3 C224
RLG ULG
M107
Front Wiper
Motor
[1] Parked
[2] Not parked NLG
BLG 42
[2]
[1]...](http://img.usermanuals.tech/thumb/2848/48434/w64_discovery-lhd-models-etm-1995-4th-edition-exp-rover-205.png "Page 206
0.7
GS
ELECTRICAL TROUBLESHOOTING MANUAL
ETM F1
Front Wipe/Wash
1
DISCOVERY
15
F 16
20 A
E200E110
A
F1-2 C204 10
0.7 GS
S232P126
Fascia Fuse Box
0.7 GS0.7 NLG87 85 C2008
3 C202
K185
Front Wiper
Relay
X124
Front Wipe/Wash
Switch
[1] Single Wipe
[2] Hi
[3] Lo
[4] Int 0.7 GS
S242
See Fuse Details 87a87
308685
30 86 C2008
0.5 NS 0.7 LGP
8 C202
6 8 C20150.5 GS
0 [1]
[2]
[3]
0[4][1]
0
4
3 C2015
0.7 RLG 0.7 ULG
12 10 C202
5 3 C224
RLG ULG
M107
Front Wiper
Motor
[1] Parked
[2] Not parked NLG
BLG 42
[2]
[1]...")
![Page 207
ELECTRICAL TROUBLESHOOTING MANUA L
F1 ETM
Front Wipe/Wash
2
DISCOVERY
BF1-3
F1-1
15
F 16
20 AZ148
Multi±Function
Unit (MFU)P126
Fascia Fuse Box
X124
Front Wipe/Wash
Switch
[2] Hi
[3] Lo
[4] Int
Z148
Multi±Function
Unit (MFU)
P126
Fascia Fuse Box
S248S288
E201 E201
See Ground Dis-
tribution
See Ground Dis-
tribution C2011 3
0.5 B
1.5 BWithout Cruise
Control
With Cruise Con-
trol C205 8
0.5 WLG
C202 7
C2011 1C204 10
S242
0.7 GS
C2015 1
0.5 NS
922 4 C202
C205
N [2]
[3][4]
0[2]
[3]
0[4]
See Fuse Details...](http://img.usermanuals.tech/thumb/2848/48434/w64_discovery-lhd-models-etm-1995-4th-edition-exp-rover-206.png "Page 207
ELECTRICAL TROUBLESHOOTING MANUA L
F1 ETM
Front Wipe/Wash
2
DISCOVERY
BF1-3
F1-1
15
F 16
20 AZ148
Multi±Function
Unit (MFU)P126
Fascia Fuse Box
X124
Front Wipe/Wash
Switch
[2] Hi
[3] Lo
[4] Int
Z148
Multi±Function
Unit (MFU)
P126
Fascia Fuse Box
S248S288
E201 E201
See Ground Dis-
tribution
See Ground Dis-
tribution C2011 3
0.5 B
1.5 BWithout Cruise
Control
With Cruise Con-
trol C205 8
0.5 WLG
C202 7
C2011 1C204 10
S242
0.7 GS
C2015 1
0.5 NS
922 4 C202
C205
N [2]
[3][4]
0[2]
[3]
0[4]
See Fuse Details...")
![Page 208
ELECTRICAL TROUBLESHOOTING MANUAL
ETM F1
Front Wipe/Wash
3
DISCOVERY
30
F 2
20 A
M
M
P127
Satellite Fuse
Box 1X124
Front Wipe/Wash
Switch
[5] Wash
K182
Power Wash
Relay
Z148
Multi±Function
Unit (MFU)
P126
Fascia Fuse Box
C2074 85 1.5 PU
E200S231
30
87 86 C2074
1.5 LGR
1 C173
2 C173
S20311 C170 2 C170
M105
Front Screen
Wash Pump 10
13 C205S235 11 C2025 C2015
0.5 LGB
0.5 B31 C206
S288
E201 M110
Headlamp Wash
Pump LGR
B
1.5 B
0.7 B0.5 BK 30
8785
86[5]
See Ground Dis-
tributionSee Ground Dis-
tribution
See...](http://img.usermanuals.tech/thumb/2848/48434/w64_discovery-lhd-models-etm-1995-4th-edition-exp-rover-207.png "Page 208
ELECTRICAL TROUBLESHOOTING MANUAL
ETM F1
Front Wipe/Wash
3
DISCOVERY
30
F 2
20 A
M
M
P127
Satellite Fuse
Box 1X124
Front Wipe/Wash
Switch
[5] Wash
K182
Power Wash
Relay
Z148
Multi±Function
Unit (MFU)
P126
Fascia Fuse Box
C2074 85 1.5 PU
E200S231
30
87 86 C2074
1.5 LGR
1 C173
2 C173
S20311 C170 2 C170
M105
Front Screen
Wash Pump 10
13 C205S235 11 C2025 C2015
0.5 LGB
0.5 B31 C206
S288
E201 M110
Headlamp Wash
Pump LGR
B
1.5 B
0.7 B0.5 BK 30
8785
86[5]
See Ground Dis-
tributionSee Ground Dis-
tribution
See...")
![Page 210
ELECTRICAL TROUBLESHOOTING MANUA L
F3 ETM
Rear Wipe/Wash
2
DISCOVERY
15
F 18
10 A
S2047
17 C215
0 [1]
P126
Fascia Fuse Box
X221
Rear Screen
Wipe Switch 1
2 C250
45 C2505 C204
0.5 B
S253
E201
See Ground Dis-
tribution
X222
Rear Screen
Wash Switch 2
1 C249
54 C249 Interior Lamps
0.5 B
15
16
14
0.5 OU0.5 RN 0.5 RN
See Fuse Details
S230
Z148
Multi±Function
Unit (MFU)
2 C210
1 C210
S2031
E200
See Ground Dis-
tribution
C205M119
Rear Screen
Wash Pump 0.5 LGS
0 [1]
M
0.5 GLG 0.5 GLG
HJ8
S255
HJ8
HJ50.5 B](http://img.usermanuals.tech/thumb/2848/48434/w64_discovery-lhd-models-etm-1995-4th-edition-exp-rover-209.png "Page 210
ELECTRICAL TROUBLESHOOTING MANUA L
F3 ETM
Rear Wipe/Wash
2
DISCOVERY
15
F 18
10 A
S2047
17 C215
0 [1]
P126
Fascia Fuse Box
X221
Rear Screen
Wipe Switch 1
2 C250
45 C2505 C204
0.5 B
S253
E201
See Ground Dis-
tribution
X222
Rear Screen
Wash Switch 2
1 C249
54 C249 Interior Lamps
0.5 B
15
16
14
0.5 OU0.5 RN 0.5 RN
See Fuse Details
S230
Z148
Multi±Function
Unit (MFU)
2 C210
1 C210
S2031
E200
See Ground Dis-
tribution
C205M119
Rear Screen
Wash Pump 0.5 LGS
0 [1]
M
0.5 GLG 0.5 GLG
HJ8
S255
HJ8
HJ50.5 B")
![Page 211
ELECTRICAL TROUBLESHOOTING MANUAL
ETM F3
Rear Wipe/Wash
3
DISCOVERY
K183
Rear Wiper Relay
0.5 NP
85
86 C281
F 18
10 AP126
Fascia Fuse Box
87
S274
C281
115
5C204
1.0 GLG
P126
Fascia Fuse Box
31 C206
S288
87a
See Fuse Details
See Ground Dis-
tribution C408 1.0 GLG
0.5 B
30
0.5 B
23 C205
Z148
Multi±Function
Unit (MFU)3
N 1
C4152
8C2779
C408 4
C415 5
0.7 B
E201 S2044
See Ground Dis-
tribution
E201
S401
See Ground Dis-
tribution
E400E402M120
Rear Wiper Motor
[1] Parked
[2] Not Parked
HJ1
86 87
87a 30 85
N...](http://img.usermanuals.tech/thumb/2848/48434/w64_discovery-lhd-models-etm-1995-4th-edition-exp-rover-210.png "Page 211
ELECTRICAL TROUBLESHOOTING MANUAL
ETM F3
Rear Wipe/Wash
3
DISCOVERY
K183
Rear Wiper Relay
0.5 NP
85
86 C281
F 18
10 AP126
Fascia Fuse Box
87
S274
C281
115
5C204
1.0 GLG
P126
Fascia Fuse Box
31 C206
S288
87a
See Fuse Details
See Ground Dis-
tribution C408 1.0 GLG
0.5 B
30
0.5 B
23 C205
Z148
Multi±Function
Unit (MFU)3
N 1
C4152
8C2779
C408 4
C415 5
0.7 B
E201 S2044
See Ground Dis-
tribution
E201
S401
See Ground Dis-
tribution
E400E402M120
Rear Wiper Motor
[1] Parked
[2] Not Parked
HJ1
86 87
87a 30 85
N...")
ELECTRICAL TROUBLESHOOTING MANUAL ETM F3 Rear Wipe/Wash 3 DISCOVERY K183 Rear Wiper Relay 0.5 NP 85 86 C281 F 18 10 AP126 Fascia Fuse Box 87 S274 C281 115 5C204 1.0 GLG P126 Fascia Fuse Box 31 C206 S288 87a See Fuse Details See Ground Dis- tribution C408 1.0 GLG 0.5 B 30 0.5 B 23 C205 Z148 Multi±Function Unit (MFU)3 N 1 C4152 8C2779 C408 4 C415 5 0.7 B E201 S2044 See Ground Dis- tribution E201 S401 See Ground Dis- tribution E400E402M120 Rear Wiper Motor [1] Parked [2] Not Parked HJ1 86 87 87a 30 85 N HJ11 HJ11 1.0 B 0.7 GLG [1] [2] M 0.7 GO1.0 GLG W B 0.7 NG
REAR WIPE/WASH
4
F3 ETM
DISCOVERY
ELECTRICAL TROUBLESHOOTING MANUA L
TROUBLESHOOTING HINTS
11. If the washer does not operate, check the
washer fluid hoses for kinks or blockage.
12. If the wiper does not operate only when washer
is requested, check LGS wire and Multifunction
Unit (MFU) (Z148).
13. If the wiper operates with tailgate open, check
Tailgate Switch (X170) and PB wires.
14. If the sunroof operates, see section L4,
Sunroof.
15. If the washer runs continuously, replace the
Rear Screen Wash Switch (X222).
16.
17. If the wiper will not return to its parked position
when the ignition switch is turned off, check
sunroof operation within 45 seconds after
turning the ignition off. If the sunroof does not
operate check Sunroof Load Relay (K138) and
Window Lift ECU (Z147), otherwise check Rear
Wiper Motor (M120).
SYSTEM DIAGNOSIS
1. If the wiper does not operate, do Test A.
2. If the washer does not operate, do Test B.
3. If the wiper runs with Rear Screen Wipe Switch
(X221) off, do Test C.
ELECTRICAL TROUBLESHOOTING MANUAL ETM F3 Rear Wipe/Wash 5 DISCOVERY # # $ # # $ # ! % ! %X221 Rear Screen Wipe Switch Z148 Multi±Function Unit (MFU)C205 Rear Screen Wipe Switch % 1 2 3 4 5 6 7 8 9 10 11 12 19 20 21 22 23 24 1415 16 17 18 13 12345 ! ! $ #
1 2 3 4 5 6 7 8 9 10 11 12
19 20 21 22 23 24 1415 16 17 18 13
ELECTRICAL TROUBLESHOOTING MANUA L
F3 ETM
Rear Wipe/Wash
6
DISCOVERY
# $ #
# $ #
%
%
Multi±Function
Unit (MFU) %
!
%Fascia Fuse Box
%
Rear Wiper Relay
Z148
Multi±Function
Unit (MFU)
C205
1 2 3 4 5 6 7 8 9 10 11 12
19 20 21 22 23 24 1415 16 17 18 13
Z148
Multi±Function
Unit (MFU)
C205
%
ELECTRICAL TROUBLESHOOTING MANUAL
ETM F3
Rear Wipe/Wash
7
DISCOVERY
$ )
Rear Wiper Relay )
Rear Wiper Motor ) $ )
K183
Rear Wiper Relay
K183
Rear Wiper Relay
! & ! ( &
$
! & ! ( &
)
% )
$ # $
B+
ELECTRICAL TROUBLESHOOTING MANUA L
F3 ETM
Rear Wipe/Wash
8
DISCOVERY
#
#
$
$
M119
Rear Screen
Wash Pump
Rear Screen
Wash Pump $
$
Rear Screen
Wash Switch
21 ! #
M119
Rear Screen
Wash Pump
21
$
!
Z148
Multi±Function
Unit (MFU)
ELECTRICAL TROUBLESHOOTING MANUAL
ETM F3
Rear Wipe/Wash
9
DISCOVERY
!
! !
! !
Rear Screen
Wipe Switch #
Z148
Multi±Function
Unit (MFU)C205
Multi±Function
Unit (MFU) #
1 2 3 4 5 6 7 8 9 10 11 12
19 20 21 22 23 24 1415 16 17 18 13
C205
1 2 3 4 5 6 7 8 9 10 11 12
19 20 21 22 23 24 1415 16 17 18 13
V
!
V
Rear Wiper Relay #
HJ11 P126 Fascia Fuse Box ELECTRICAL TROUBLESHOOTING MANUAL ETM F8 1 DISCOVERY 15 F 13 10 A 86 85 8730 P126 Fascia Fuse Box K122 Heated Rear Screen Relay See Ground Dis- tribution 18 C27732 C206 1 S288 S237 0.5 BO 0.5 NP 0.5 B 1.5 NP 2.5 NP2.5 NP A F8-2 1.5 NP B F8-2 Interior Lamps 18 C208 Z148 Multi±Function Unit (MFU) P126 Fascia Fuse BoxZ148 Multi±Function Unit (MFU) 0.5 G 3 C215 2 C205 C208 30 F 1 30 AP125 Engine Compart- ment Fuse Box 3.0 OS1 C101 P126 Fascia Fuse Box 31 C2069 C211 E201 1 C438 1 C454 1 C409 2.5 B [1] 1 C435 E401 1 C453 2.5 B 2 C438 2C264 0.5 RN 51 0 See Ground Dis- tribution S2059 E201 0.5 B 4 C264 X132 Heated Rear Screen Switch B141 Rear Screen E J 0.5 BG C215 12
ELECTRICAL TROUBLESHOOTING MANUA L F8 ETM 2 DISCOVERY A F8-1 1.5 NP 1.5 BG S501 See Ground Dis- tribution E201 0.5 B 1C511 1 C512B119 Left Mirror Demister 10 C502 BR B 1 C503 2 C503 B F8-1 1.5 NP 1.5 BG S601 See Ground Dis- tribution E200 0.5 B 1C611 1 C612B133 Right Mirror Demister 10 C602 BR B 1 C603 2 C603
MULTI±FUNCTION UNIT (MFU) 1 ETM G4 DISCOVERY ELECTRICAL TROUBLESHOOTING MANUALREV: 01/98 CIRCUIT OPERATION Multi±Function Unit (MFU) The multi±function unit (MFU) is mounted on the rear of the passenger compartment fusebox and has an input to operation of the following: Heated rear screen Courtesy lights Side and headlights Rear fog guard lamps Headlamp power wash Front wipers Rear wash/wipe Diagnostic Procedure 1. Close all doors and the tailgate. NOTE: If the oil pressure switch goes open circuit (engine is started) during the following procedure, the MFU will exit the diagnostic mode immediately. 2. Press and hold the heated rear screen switch and switch on the ignition. 3. Release the heated rear screen switch within 2 seconds and the MFU will beep to indicate that its in diagnostic mode 1. 4. Press the heated rear screen switch; the MFU will beep twice. In turn, operate each of the following switches, rear fog guard lamps, side lights, headlights, front wiper, and rear wiper. The MFU will beep twice each time a switch is operated. 5. Pressing the heated rear screen again will cause the MFU to enter diagnostic mode 2. 6. The MFU will provide outputs to the following in order given below: Heated rear screen relay energised for 2 seconds Courtesy lights energised for 2 seconds Dim dip relay energised for 2 seconds Rear fog guard lamp energised for 2 seconds Headlamp power wash energised for half a secondFront wiper energised for half a second Rear wipe/wash energised for half a second 7. The MFU will then exit the diagnostic mode.