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Land Rover Discovery Etm 1995 2nd Edition Rover Manual

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Page 311

COOLING FANS
3
ETM K5
DISCOVERY
ELECTRICAL TROUBLESHOOTING MANUAL
Condenser Fan Operation (300Tdi)
The Condenser Fan Motors (M113, M121) on
vehicles equipped with diesel engines operate
when any one of the following conditions occur:
1. Coolant temperature exceeds 100C (212F).
2. The A/C is operating.
Condenser Fan with High Coolant Temperature
Operation (300Tdi)
When the Ignition Switch (X134) is in position II,
battery voltage is applied to the Ignition Load Relay
(K127). The relay is energized,...

Page 312

ELECTRICAL TROUBLESHOOTING MANUA L
K5 ETM
Cooling Fans
4
DISCOVERY
A
K5-6
S2045S2041
Z211
Fan Timer Diode
See Ground Dis-
tribution
See Fuse Details 9 C204
0.5 LGP
85 30 C20073.0 NGSee Fuse Details
K127
Ignition Load
Relay 8530
8687
86 87
0.5 GW 0.5 B2.0 WG
0.5 WGS227
C2007
MFI±V8
MFI±T16Blower Controls
E200
K5-8
K5-9
K5-10300Tdi without
EDC
300Tdi with EDC
18 C2171.0 WG
0.5 WG13 C2120.5 WG
1.0 WG
Compressor
Controls
S204
HJ10
2.0 WG 2.0 WG 2.0 WG
7 C2073 2.0 WG
1.25 UR
Blower Controls Without Air...

Page 313

ELECTRICAL TROUBLESHOOTING MANUAL
ETM K5
Cooling Fans (MFI±V8)
5
DISCOVERY 
30
F 7
20 A
S224
See Fuse Details
C239 86 0.5 NO
30 3.0 NLG 3 C100
85 87a 87
2
6 5
12
See Ground Dis-
tribution 0.5 UR1.0 NO3.0 NO
2.0 NO
2.0 NO 3.0 NO
3.0 NO
0.5 BG
0.5 B
36 C243
E100 C238C238C239
S291S297
HJ7  
86
85 87a30
87K116
Engine Control
Load Relay P125
Engine Compart-
ment Fuse Box
Z118
Fan Control Mod-
ule
Z132
Engine Control
Module (ECM) Multiport Fuel In-
jection (MFI±V8)

Page 314

ELECTRICAL TROUBLESHOOTING MANUA L
K5 ETM
Cooling Fans (MFI±V8)
6
DISCOVERY
K5-4
S209
M
S122
M
0.5 GW
C292 85 30C116
1
86
87 C292
0.5 BP
4
S298
S123
Z118
Fan Control
Module
Z209
Condenser Fan
Control Diode 1
M121
Right Condenser
Fan MotorM113
Left Condenser
Fan Motor 2.0 BN
894 C238
0.5 BP
0.5 PB
0.5 BP
1 C146
2 C146
0.5 B1 C182
2 C182B
E2001.5 B
1.5 B
See Ground Dis-
tribution
See Ground Dis-
tribution1.5 BN2.0 BN
See Fuse Details
A
K109
Condenser Fan
Relay
20C217
E100B
2 C183 5 C21685
8630
87
1 C183...

Page 315

ELECTRICAL TROUBLESHOOTING MANUAL
ETM K5
Cooling Fans (MFI±T16 without A/C)
7
DISCOVERY 
30
S2034
P125
Engine Compart-
ment Fuse Box
M141
Cooling Fan
Motor 1
See Fuse Details
0.5 WG
85 30 C2381.5 NG1C116
See Fuse Details
K190
Cooling Fan
Relay 8530
86
87
86 87
0.5 BP 2.0 USC238
E103
5 C216
1 C1011
2 C1011
3.0 B
See Ground Dis-
tribution
6 C1007
Z132
Engine Control
Module (ECM)
M
15
F 3
10 AP127
Satellite Fuse
Box 1
BF 3
30 A

Page 316

ELECTRICAL TROUBLESHOOTING MANUA L
K5 ETM
Cooling Fans (MFI±T16 with A/C)
8
DISCOVERY
30
F 3
30 A
K5-4
MM
A
P125
Engine Compart-
ment Fuse Box
0.5 GW
S2091C116
8530 C292
85
8630
87
86 87 C292
2.0 BN
See Fuse Details
K109
Condenser Fan
Relay
0.5 BP 20
5 C216
S123
2.0 BN 1.5 BN Not used
1 C182 1 C183
2 C182
1.5 B 1.5 B
S122
E200 BM121
Right Condenser
Fan MotorM113
Left Condenser
Fan Motor
C217
6 C1007
Z132
Engine Control
Module (ECM)
S133
3.0 BR
1 C1011
MM141
Cooling Fan
Motor 1 1.5 BR
1 C1012
MM142...

Page 317

ELECTRICAL TROUBLESHOOTING MANUAL
ETM K5
Cooling Fans (300Tdi without EDC)
9
DISCOVERY 
30
F 3
30 A
E103K5-4
[1]
B
K5-11
MM
A
P125
Engine Compart-
ment Fuse Box
0.5 GW
S2091C116
8530 C292
85
8630
87
86 87 C292
2.0 BN
See Fuse Details
K109
Condenser Fan
Relay
0.5 BP
20 4
5 C217
C216
Not used
S123
2.0 BN 1.5 BN Not used
Z209
Condenser Fan
Control Diode 1
0.5 PB 0.5 BP
1 C146
X113
Condenser Fan Cool-
ant Temperature
Switch
[1] < 94C (201F)
[2] > 100C (212F) [2]
2 C146
0.5 B
See Ground Dis-
tribution1...

Page 318

ELECTRICAL TROUBLESHOOTING MANUA L
K5 ETM
Cooling Fans (300Tdi with EDC)
10
DISCOVERY
30
F 3
30 A
E103K5-4
[1]
B
K5-11
MM
A
P125
Engine Compart-
ment Fuse Box
0.5 GW
S2091C116
8530 C292
85
8630
87
86 87 C292
2.0 BN
See Fuse Details
K109
Condenser Fan
Relay
0.5 BP
20 4
5 C217
C216
Not used
S123
2.0 BN 1.5 BN Not used
Z209
Condenser Fan
Control Diode 1
0.5 PB 0.5 BP
1 C146
X113
Condenser Fan
Coolant Temperature
Switch
[1] < 94C (201F)
[2] > 100C (212F) [2]
2 C146
1.0 B
See Ground Dis-
tribution1 C1821...

Page 319

ELECTRICAL TROUBLESHOOTING MANUAL
ETM K5
Cooling Fans
11
DISCOVERY 
19 C217
0
S244
B
0.5 YB
Z210
Condenser Fan
Control Diode 2
0.5 PBK5-6 MFI±V8
300Tdi without
EDC K5-9
K5-10 300Tdi with EDC
0.5 PB
0.5 PB
0.5 NW4 C2073
452 C2025
X225
Front A/C Switch
Compressor
Controls
Interior Lamps Compressor
Controls
0.5 UR 0.5 LG
1
3C2025
0.5 WB
E201
See Ground Dis-
tribution S2056
Blower Controls 0.5
N
2 C2022
X247
Front Fan Speed
Switch 0.5 N
1 C2022
E201
See Ground Dis-
tribution
0I
IV III II
1 C2067
1.0 NW
[1]...

Page 320

COOLING FANS
12
K5 ETM
DISCOVERY
ELECTRICAL TROUBLESHOOTING MANUA L
 
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