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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
Here you can view all the pages of manual Land Rover Discovery Lhd Models Etm 1995 4th Edition Exp Rover Manual. The Land Rover manuals for Automobile are available online for free. You can easily download all the documents as PDF.
Page 331
ELECTRICAL TROUBLESHOOTING MANUAL ETM K2 Compressor Controls 31 DISCOVERY !$#)#%$ *#) !$#)#%$ *#) # + () %$) $ & *#) + Engine Control Module (ECM)Compressor Clutch Relay + Z132 Engine Control Module (ECM) K108 Compressor Clutch Relay %$) $ & *#) ...
Page 332
ELECTRICAL TROUBLESHOOTING MANUA L
K2 ETM
Compressor Controls
32
DISCOVERY
#$# ( !
A/C Logic Relay ) &$# # % ( !
1
K170
A/C Logic Relay
#$# ( !
X101
Front A/C Evap-
orator Tempera-
ture Switch
&$# # % ( !
& )
& )
Front A/C Evap-
orator Tempera-
ture...
Page 333
ELECTRICAL TROUBLESHOOTING MANUAL ETM K2 Compressor Controls 33 DISCOVERY $)&.&*) 0&.!% #-. Compressor Clutch Relay 1 K108 Compressor Clutch Relay ,*). ) +## 0&.!% & 0&.%*/. &,# 1 1 *(+,#--*, /.!% /. */. 0&.!% 1 X101 Front A/C Evap- orator Tempera- ture Switch 1 Front A/C Evap- orator Tempera- ture Switch ...
Page 334
ELECTRICAL TROUBLESHOOTING MANUA L K2 ETM Compressor Controls 34 DISCOVERY & ! (! !% ) ) Engine Control Module (ECM)Compressor Clutch Relay ) Z132 Engine Control Module (ECM) K108 Compressor Clutch Relay !!# (! !!# (! %# $ (! %# $ (! R550001 19 37 551 20 38
Page 335
ELECTRICAL TROUBLESHOOTING MANUAL
ETM K2
Compressor Controls
35
DISCOVERY
A/C Logic Relay )
1
K170
A/C Logic Relay
X101
Front A/C Evap-
orator Tempera-
ture Switch
& )
& )
#$# ( !
&$# # % ( !
#$# ( !
&$# # % ( !
)Front A/C Evap-
orator...
Page 336
ELECTRICAL TROUBLESHOOTING MANUA L
K2 ETM
Compressor Controls
36
DISCOVERY
$ % $
&
A/C Dual Pres-
sure Switch & $ ! % $
X225
Front A/C Switch
&
Front Fan Speed
Switch &
#$
&
Condenser Fan
Control Diode 2 &
Front A/C Switch &
12345
Page 337
COOLING FANS 1 ETM K5 DISCOVERY ELECTRICAL TROUBLESHOOTING MANUAL CIRCUIT OPERATION Condenser Fan Operation (MFI±V8) The Condenser Fans Motors (M113, M121) on vehicles equipped with MFI±V8 engines operate when any of the following conditions occur: 3. Coolant temperature exceeds 100C (212F). 4. The air conditioning system is operating. 5. The Engine Control Module (ECM) (Z132) determines that fuel temperature exceeds 70C and coolant temperature exceeds 110C after engine shutdown. When this occurs,...
Page 338
COOLING FANS 2 K5 ETM DISCOVERY ELECTRICAL TROUBLESHOOTING MANUA L Cooling Fan and Condenser Fan Operation (MFI±T16) The Cooling Fan 1 (M141) or Cooling Fans (M141, M142) and Condenser Fan Motors (M113, M121) on vehicles equipped with MFI±T16 engines operate when any of the following conditions occur: 1. The A/C system is operating. 2. The Engine Control Module (ECM) determines that Cooling Fan and/or Condenser Fan Motor operation is required. Cooling Fan Operation without A/C (MFI±T16) With the Ignition...
Page 339
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 340
ELECTRICAL TROUBLESHOOTING MANUA L K5 ETM Cooling Fans 4 DISCOVERY A K5-6 S2045 Z211 Fan Timer Diode See Ground Dis- tribution See Fuse Details 9 C204 0.5 LGP 85 30 C2007See 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 S2015 HJ10 2.0 WG 2.0 WG 2.0 WG 7 C2073 2.0 WG 1.25 UR Blower Controls Without Air ConditioningWith...