Land Rover Discovery Etm 1995 2nd Edition Rover Manual
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Page 271
ELECTRICAL TROUBLESHOOTING MANUA L
K1 ETM
Blower Controls
26
DISCOVERY
% ! & %
% ! & %
#
#
$%
Passengers Rear
Fan Speed
Switch $$ #$ # & %
#
X246
Passengers Rear
Fan Speed
Switch
Z215
Rear Blower Re-
sistor Unit
Page 272
ELECTRICAL TROUBLESHOOTING MANUAL
ETM K1
Blower Controls
27
DISCOVERY
% ! & %
% ! & %
#
$$ #$ # & %
$$ #$ # & %
Passengers Rear
Fan Speed
Switch
#
Passengers Rear
Fan Speed
Switch
Rear Blower Re-
sistor Unit
Z215
Rear Blower...
Page 273
COMPRESSOR CONTROLS 1 ETM K2 DISCOVERY ELECTRICAL TROUBLESHOOTING MANUAL CIRCUIT OPERATION Compressor Control (MFI±V8) (300Tdi with EDC) 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 Compressor Clutch Relay (K108) and the A/C Logic Relay (K170). When the Front Fan Speed Switch (X247) is turned to positions I, II, III, or IV and the Front A/C Switch (X225) is turned On, ground is...
Page 274
COMPRESSOR CONTROLS 2 K2 ETM DISCOVERY ELECTRICAL TROUBLESHOOTING MANUA L Compressor Control (300Tdi without EDC) 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 Compressor Clutch Relay (K108). When the Front Fan Speed Switch (X247) is turned to positions I, II, III, or IV and the Front A/C Switch (X225) is turned On, ground is provided to terminal 86 of the Compressor Clutch Relay (K108)...
Page 275
ELECTRICAL TROUBLESHOOTING MANUAL ETM K2 Compressor Controls 3 DISCOVERY S2045 15 F 15 10 A 9 C204 E200 See Fuse Details A K2-8 P126 Fascia Fuse Box 0.5 LGP 85 30 C2007K127 Ignition Load Relay S227 2.0 WG87 B K2-4 Z211 Fan Timer Diode 0.5 GW1.0 WG 2.0 WG 7 C2073 1.25 UR 0.5 WG Cooling Fans See Ground Dis- tributionS2041 See Fuse Details 3.0 NG 30 C2007 15 F 6 25 AP127 Satellite Fuse Box 1 85 86 87 86 0.5 B K2-5MFI±V8 MFI±T16 S204 K2-6 300Tdi without EDC K2-7 300Tdi with EDC 1.0 WG13 C212 0.5 WG HJ10...
Page 276
![Page 276
ELECTRICAL TROUBLESHOOTING MANUA L
K2 ETM
Compressor Controls (MFI±V8)
4
DISCOVERY
S296
30
F 3
30 A
E100
See Fuse Details
16 C217
30 1.0 NG
[1] [2] 30
87
86
85
86 C241
1.0 BG
85 C241 87
0.5 BS
33 C24321
30
30
87
85
86
85 C242
86 C242 87
1.0 WG
18 C217
B
K2-3
0.5 YB
11 C217
0.5 YB
9 C2073
0.5 OG
0.5 U
1 C2076 K108
Compressor
Clutch RelayK170
A/C Logic Relay
X101
Front A/C Evap-
orator Tempera-
ture Switch
[1] > 0C (32F)
[2] < 0C (32F) Z132
Engine Control
Module (ECM)
1 C2077
8 C2073
0.5 ON S295
1...](http://img.usermanuals.tech/thumb/2848/48430/w300_discovery-etm-1995-2nd-edition-rover-275.png "Page 276
ELECTRICAL TROUBLESHOOTING MANUA L
K2 ETM
Compressor Controls (MFI±V8)
4
DISCOVERY
S296
30
F 3
30 A
E100
See Fuse Details
16 C217
30 1.0 NG
[1] [2] 30
87
86
85
86 C241
1.0 BG
85 C241 87
0.5 BS
33 C24321
30
30
87
85
86
85 C242
86 C242 87
1.0 WG
18 C217
B
K2-3
0.5 YB
11 C217
0.5 YB
9 C2073
0.5 OG
0.5 U
1 C2076 K108
Compressor
Clutch RelayK170
A/C Logic Relay
X101
Front A/C Evap-
orator Tempera-
ture Switch
[1] > 0C (32F)
[2] < 0C (32F) Z132
Engine Control
Module (ECM)
1 C2077
8 C2073
0.5 ON S295
1...")
ELECTRICAL TROUBLESHOOTING MANUA L K2 ETM Compressor Controls (MFI±V8) 4 DISCOVERY S296 30 F 3 30 A E100 See Fuse Details 16 C217 30 1.0 NG [1] [2] 30 87 86 85 86 C241 1.0 BG 85 C241 87 0.5 BS 33 C24321 30 30 87 85 86 85 C242 86 C242 87 1.0 WG 18 C217 B K2-3 0.5 YB 11 C217 0.5 YB 9 C2073 0.5 OG 0.5 U 1 C2076 K108 Compressor Clutch RelayK170 A/C Logic Relay X101 Front A/C Evap- orator Tempera- ture Switch [1] > 0C (32F) [2] < 0C (32F) Z132 Engine Control Module (ECM) 1 C2077 8 C2073 0.5 ON S295 1...
Page 277
![Page 277
ELECTRICAL TROUBLESHOOTING MANUAL
ETM K2
Compressor Controls (MFI±T16)
5
DISCOVERY
30
F 3
30 A
E103
See Fuse Details
16 C217
30 1.0 NG
[1] [2] 30
87
85
86
85 C241
1.0 BG
86 C241 87
0.5 BS
19 C1007
30
30
87
86
85
86 C242
85 C242 87
0.5 YB
11 C217
0.5 YB
9 C2073
0.5 OG
0.5 U
1 C2076 K108
Compressor
Clutch RelayK170
A/C Logic Relay
X101
Front A/C Evap-
orator Tempera-
ture Switch
[1] > 0C (32F)
[2] < 0C (32F) Z132
Engine Control
Module (ECM)
1 C2077
8 C2073
0.5 ON S295
1 C145
2 C145B
1.0 B
K107...](http://img.usermanuals.tech/thumb/2848/48430/w300_discovery-etm-1995-2nd-edition-rover-276.png "Page 277
ELECTRICAL TROUBLESHOOTING MANUAL
ETM K2
Compressor Controls (MFI±T16)
5
DISCOVERY
30
F 3
30 A
E103
See Fuse Details
16 C217
30 1.0 NG
[1] [2] 30
87
85
86
85 C241
1.0 BG
86 C241 87
0.5 BS
19 C1007
30
30
87
86
85
86 C242
85 C242 87
0.5 YB
11 C217
0.5 YB
9 C2073
0.5 OG
0.5 U
1 C2076 K108
Compressor
Clutch RelayK170
A/C Logic Relay
X101
Front A/C Evap-
orator Tempera-
ture Switch
[1] > 0C (32F)
[2] < 0C (32F) Z132
Engine Control
Module (ECM)
1 C2077
8 C2073
0.5 ON S295
1 C145
2 C145B
1.0 B
K107...")
ELECTRICAL TROUBLESHOOTING MANUAL ETM K2 Compressor Controls (MFI±T16) 5 DISCOVERY 30 F 3 30 A E103 See Fuse Details 16 C217 30 1.0 NG [1] [2] 30 87 85 86 85 C241 1.0 BG 86 C241 87 0.5 BS 19 C1007 30 30 87 86 85 86 C242 85 C242 87 0.5 YB 11 C217 0.5 YB 9 C2073 0.5 OG 0.5 U 1 C2076 K108 Compressor Clutch RelayK170 A/C Logic Relay X101 Front A/C Evap- orator Tempera- ture Switch [1] > 0C (32F) [2] < 0C (32F) Z132 Engine Control Module (ECM) 1 C2077 8 C2073 0.5 ON S295 1 C145 2 C145B 1.0 B K107...
Page 278
![Page 278
ELECTRICAL TROUBLESHOOTING MANUA L
K2 ETM
Compressor Controls (300Tdi without EDC)
6
DISCOVERY
S295
30
F 3
30 A
1C116
E103
See Fuse DetailsP125
Engine Compart-
ment Fuse Box
1.0 NG
30
30
86 C241
0.5 G
11 C217
2 C162
K108
Compressor
Clutch Relay
X259
Compressor
Clutch Cut±out
Switch
16 C217
See Ground Dis-
tribution
1.0 WG
85 C241
87
87
1.0 BG18 C217
B
K2-3
1 C162
0.5 YB
0.5 YB
9 C2073
0.5 OG
1 C2076
X101
Front A/C Evap-
orator Tempera-
ture Switch
[1] > 0C (32F)
[2] < 0C (32F)
8 C2073
1 C2077
0.5 U...](http://img.usermanuals.tech/thumb/2848/48430/w300_discovery-etm-1995-2nd-edition-rover-277.png "Page 278
ELECTRICAL TROUBLESHOOTING MANUA L
K2 ETM
Compressor Controls (300Tdi without EDC)
6
DISCOVERY
S295
30
F 3
30 A
1C116
E103
See Fuse DetailsP125
Engine Compart-
ment Fuse Box
1.0 NG
30
30
86 C241
0.5 G
11 C217
2 C162
K108
Compressor
Clutch Relay
X259
Compressor
Clutch Cut±out
Switch
16 C217
See Ground Dis-
tribution
1.0 WG
85 C241
87
87
1.0 BG18 C217
B
K2-3
1 C162
0.5 YB
0.5 YB
9 C2073
0.5 OG
1 C2076
X101
Front A/C Evap-
orator Tempera-
ture Switch
[1] > 0C (32F)
[2] < 0C (32F)
8 C2073
1 C2077
0.5 U...")
ELECTRICAL TROUBLESHOOTING MANUA L K2 ETM Compressor Controls (300Tdi without EDC) 6 DISCOVERY S295 30 F 3 30 A 1C116 E103 See Fuse DetailsP125 Engine Compart- ment Fuse Box 1.0 NG 30 30 86 C241 0.5 G 11 C217 2 C162 K108 Compressor Clutch Relay X259 Compressor Clutch Cut±out Switch 16 C217 See Ground Dis- tribution 1.0 WG 85 C241 87 87 1.0 BG18 C217 B K2-3 1 C162 0.5 YB 0.5 YB 9 C2073 0.5 OG 1 C2076 X101 Front A/C Evap- orator Tempera- ture Switch [1] > 0C (32F) [2] < 0C (32F) 8 C2073 1 C2077 0.5 U...
Page 279
![Page 279
ELECTRICAL TROUBLESHOOTING MANUAL
ETM K2
Compressor Controls (300Tdi with EDC)
7
DISCOVERY
S2060
30
F 3
30 A
E103
See Fuse Details
16 C217
30 1.0 NG
[1] [2] 30
87
85
86
85 C241
1.0 BG
86 C241 87
0.5 BS
9 C24344
87
87
30
85
86
85 C242
86 C242 30
1.0 WG
18 C217
B
K2-2
1.0 YB
11 C217
0.5 YB
9 C2073
0.5 OG
0.5 U
1 C2076 K108
Compressor
Clutch RelayK170
A/C Logic Relay
X101
Front A/C Evap-
orator Tempera-
ture Switch
[1] > 0C (32F)
[2] < 0C (32F) Z132
Engine Control
Module (ECM)
1 C2077
8 C2073
0.5 ON...](http://img.usermanuals.tech/thumb/2848/48430/w300_discovery-etm-1995-2nd-edition-rover-278.png "Page 279
ELECTRICAL TROUBLESHOOTING MANUAL
ETM K2
Compressor Controls (300Tdi with EDC)
7
DISCOVERY
S2060
30
F 3
30 A
E103
See Fuse Details
16 C217
30 1.0 NG
[1] [2] 30
87
85
86
85 C241
1.0 BG
86 C241 87
0.5 BS
9 C24344
87
87
30
85
86
85 C242
86 C242 30
1.0 WG
18 C217
B
K2-2
1.0 YB
11 C217
0.5 YB
9 C2073
0.5 OG
0.5 U
1 C2076 K108
Compressor
Clutch RelayK170
A/C Logic Relay
X101
Front A/C Evap-
orator Tempera-
ture Switch
[1] > 0C (32F)
[2] < 0C (32F) Z132
Engine Control
Module (ECM)
1 C2077
8 C2073
0.5 ON...")
ELECTRICAL TROUBLESHOOTING MANUAL ETM K2 Compressor Controls (300Tdi with EDC) 7 DISCOVERY S2060 30 F 3 30 A E103 See Fuse Details 16 C217 30 1.0 NG [1] [2] 30 87 85 86 85 C241 1.0 BG 86 C241 87 0.5 BS 9 C24344 87 87 30 85 86 85 C242 86 C242 30 1.0 WG 18 C217 B K2-2 1.0 YB 11 C217 0.5 YB 9 C2073 0.5 OG 0.5 U 1 C2076 K108 Compressor Clutch RelayK170 A/C Logic Relay X101 Front A/C Evap- orator Tempera- ture Switch [1] > 0C (32F) [2] < 0C (32F) Z132 Engine Control Module (ECM) 1 C2077 8 C2073 0.5 ON...
Page 280
![Page 280
ELECTRICAL TROUBLESHOOTING MANUA L
K2 ETM
Compressor Controls
DISCOVERY
8
S2038
52 C2025
1.25 UR
10 C2067K2-3
2 C2022 2 C2067
See Ground Dis-
tribution
S263
1.0 UR
0.5 UR
Blower Controls
Interior Lamps
0.5 LG
0[1]
13 C2025
0.5 WB
S244
E201
0.5
N
Blower ControlsS2056
2.0 N
See Ground Dis-
tribution
E201
1 C2022
0III
III
IV
4 C2073
Cooling Fans
19 C217 0.5 PB
1 C181
X102
A/C Dual Pressure
Switch
[1] > 32 Bar (455 psi)
[2] < 2.07 Bar (30 psi)0.5
2 C181MFI±T16 MFI±V8
[1] [2]
Z210
Condenser Fan
Control Diode...](http://img.usermanuals.tech/thumb/2848/48430/w300_discovery-etm-1995-2nd-edition-rover-279.png "Page 280
ELECTRICAL TROUBLESHOOTING MANUA L
K2 ETM
Compressor Controls
DISCOVERY
8
S2038
52 C2025
1.25 UR
10 C2067K2-3
2 C2022 2 C2067
See Ground Dis-
tribution
S263
1.0 UR
0.5 UR
Blower Controls
Interior Lamps
0.5 LG
0[1]
13 C2025
0.5 WB
S244
E201
0.5
N
Blower ControlsS2056
2.0 N
See Ground Dis-
tribution
E201
1 C2022
0III
III
IV
4 C2073
Cooling Fans
19 C217 0.5 PB
1 C181
X102
A/C Dual Pressure
Switch
[1] > 32 Bar (455 psi)
[2] < 2.07 Bar (30 psi)0.5
2 C181MFI±T16 MFI±V8
[1] [2]
Z210
Condenser Fan
Control Diode...")
ELECTRICAL TROUBLESHOOTING MANUA L K2 ETM Compressor Controls DISCOVERY 8 S2038 52 C2025 1.25 UR 10 C2067K2-3 2 C2022 2 C2067 See Ground Dis- tribution S263 1.0 UR 0.5 UR Blower Controls Interior Lamps 0.5 LG 0[1] 13 C2025 0.5 WB S244 E201 0.5 N Blower ControlsS2056 2.0 N See Ground Dis- tribution E201 1 C2022 0III III IV 4 C2073 Cooling Fans 19 C217 0.5 PB 1 C181 X102 A/C Dual Pressure Switch [1] > 32 Bar (455 psi) [2] < 2.07 Bar (30 psi)0.5 2 C181MFI±T16 MFI±V8 [1] [2] Z210 Condenser Fan Control Diode...