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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 482
ELECTRICAL TROUBLESHOOTING MANUA L
T3 ETM
Theft Alarm System (NAS 1994)
8
DISCOVERY
[1][2]
M114
Left Front Door
Lock Actuator
[1] Lock
[2] UnlockZ163
Theft Alarm Unit
See Ground Dis-
tributionC225 62
0.5 YK
0.5 GB
5 4 C507
0.3 B
3 C507
0.5 B
S501
E201
6 C502
Not used6 C602
Not used](http://img.usermanuals.tech/thumb/2848/48434/w64_discovery-lhd-models-etm-1995-4th-edition-exp-rover-481.png "Page 482
ELECTRICAL TROUBLESHOOTING MANUA L
T3 ETM
Theft Alarm System (NAS 1994)
8
DISCOVERY
[1][2]
M114
Left Front Door
Lock Actuator
[1] Lock
[2] UnlockZ163
Theft Alarm Unit
See Ground Dis-
tributionC225 62
0.5 YK
0.5 GB
5 4 C507
0.3 B
3 C507
0.5 B
S501
E201
6 C502
Not used6 C602
Not used")
![Page 483
ELECTRICAL TROUBLESHOOTING MANUAL
ETM T3
Theft Alarm System (NAS 1994)
9
DISCOVERY
Z163
Theft Alarm Unit
Z148
Multi±Function
Unit (MFU)
X212
Alarm Bonnet
Switch
[1] Open X201
Left Front Door
Key Switch
[1] Key turned
[2] Key out
See Ground Dis-
tributionSee Ground Dis-
tribution 371 12 C225
3 C602
S5014 C504 1 C1782 C1784 C205
0.5 UG
3 C502
1 C504
0.5 B
E201E200 0.5 BB 0.5 PO0.5 PW 0.5 KB
S204 [2] [1]
0[1]
HJ3
Not used
S2013
Z147
Window Lift ECU
7 C287
0.5 PW](http://img.usermanuals.tech/thumb/2848/48434/w64_discovery-lhd-models-etm-1995-4th-edition-exp-rover-482.png "Page 483
ELECTRICAL TROUBLESHOOTING MANUAL
ETM T3
Theft Alarm System (NAS 1994)
9
DISCOVERY
Z163
Theft Alarm Unit
Z148
Multi±Function
Unit (MFU)
X212
Alarm Bonnet
Switch
[1] Open X201
Left Front Door
Key Switch
[1] Key turned
[2] Key out
See Ground Dis-
tributionSee Ground Dis-
tribution 371 12 C225
3 C602
S5014 C504 1 C1782 C1784 C205
0.5 UG
3 C502
1 C504
0.5 B
E201E200 0.5 BB 0.5 PO0.5 PW 0.5 KB
S204 [2] [1]
0[1]
HJ3
Not used
S2013
Z147
Window Lift ECU
7 C287
0.5 PW")
ELECTRICAL TROUBLESHOOTING MANUAL ETM T3 Theft Alarm System (NAS 1994) 7 DISCOVERY T3-6 M132 Tailgate Lock Actuator AB 2 1 C414 1.0 O 1.0 K6 4 C415 1.0 O 1.0 K5 6 C277 1.0 O 1.0 K OK M
ELECTRICAL TROUBLESHOOTING MANUA L T3 ETM Theft Alarm System (NAS 1994) 8 DISCOVERY [1][2] M114 Left Front Door Lock Actuator [1] Lock [2] UnlockZ163 Theft Alarm Unit See Ground Dis- tributionC225 62 0.5 YK 0.5 GB 5 4 C507 0.3 B 3 C507 0.5 B S501 E201 6 C502 Not used6 C602 Not used
ELECTRICAL TROUBLESHOOTING MANUAL ETM T3 Theft Alarm System (NAS 1994) 9 DISCOVERY Z163 Theft Alarm Unit Z148 Multi±Function Unit (MFU) X212 Alarm Bonnet Switch [1] Open X201 Left Front Door Key Switch [1] Key turned [2] Key out See Ground Dis- tributionSee Ground Dis- tribution 371 12 C225 3 C602 S5014 C504 1 C1782 C1784 C205 0.5 UG 3 C502 1 C504 0.5 B E201E200 0.5 BB 0.5 PO0.5 PW 0.5 KB S204 [2] [1] 0[1] HJ3 Not used S2013 Z147 Window Lift ECU 7 C287 0.5 PW
ELECTRICAL TROUBLESHOOTING MANUA L T3 ETM Theft Alarm System (NAS 1994) 10 DISCOVERY 30 F 6 20 A See Fuse Details P128 Satellite Fuse Box 2 B151 Theft Alarm LED Z163 Theft Alarm Unit 14 C2254 C209 0.5 RW2 C269 1 C269 0.5 P S2061Z163 Theft Alarm Unit 0.5 WB80.5 BN15 C225 1615 C277 X213 Alarm Sensor 31 C483 0.5 B2 C483 E401 See Ground Dis- tribution
ELECTRICAL TROUBLESHOOTING MANUAL ETM T3 Theft Alarm System (NAS 1994) 11 DISCOVERY 85 1 Starting and Charging Starting and Charging Automatic Trans- missionManual Trans- missionK137 Starter Solenoid Relay Z158 Starter Relay Diode X167 Park/Neutral Position Switch K110 Cruise Control Lockout Relay 85 30 C2006 0.5 WR 3.0 NW 8630 87 86 87 C2006 0.5 BO 0.5 BY S2005 HJ2 10 C105 Automatic Trans- mission 0.5 BY 11 C105 0.5 BO 1 C274 Z163 Theft Alarm Unit 0.5 BY S322 5 C323 B 0.5 BG 4 C323 0.5 BO R N P 2 3 D 85 85 C2021 0.5 BY 2 C218 2.0 NR Starting and Charging Starting and Charging 1
ELECTRICAL TROUBLESHOOTING MANUA L T3 ETM Theft Alarm System (NAS 1994) 12 DISCOVERY See Fuse Details Z163 Theft Alarm Unit 3 C274 0.5 POS245 Horns 86 C283 3085 C283 30 85 86 87K189 Horn Relay 87 1.5 PG 0.5 POS2057 2 C168 1 C168K128 Left Horn E201 See Ground Dis- tribution K134 Right Horn E200 2 C169 1 C169 30 F 4 20 AP125 Engine Compart- ment Fuse Box 4 C101 1.5 PN S103 See Ground Dis- tribution
ELECTRICAL TROUBLESHOOTING MANUAL ETM T3 Theft Alarm System (NAS 1994) 13 DISCOVERY 30 F 2 20 A CT3-14 DT3-14 P127 Satellite Fuse Box 1 S275 1.0 PU C279 86 30 86 8530 87a 87 85 87a C279 0.5 BK 11 C225E200 1.0 PU Z163 Theft Alarm Unit See Fuse Details 1.0 GW S2019 HJ61.5 GW 0.5 GW 1 C123 B137 Right Repeater Lamp 2 C123 0.7 GW 2 C1010 1 C1010 0.5 B S2016 See Ground Dis- tributionB154 Right Front Indi- cator LampK159 Theft Alarm Relay 0.5 GR S2020 HJ6 0.7 GRC124 1 B122 Left Repeater Lamp C124 2 0.7 B S2033 E201 See Ground Dis- tribution 0.5 B1.0 GR87 0.5 B HJ10 HJ111.5 GR 2 C1009 1 C1009B153 Left Front Indica- tor Lamp
ELECTRICAL TROUBLESHOOTING MANUA L T3 ETM Theft Alarm System (NAS 1994) 14 DISCOVERY CT3-13Direction Indica- tor Lamps 1.5 GW S239 C204 14 161.5 GR S241 1.5 GWDT3-131.5 GR KLP126 Fascia Fuse Box Z148 Multi±Function Unit (MFU) B165 Right Rear Indi- cator Lamp 6 C211 4 C211 1.5 GW 1.5 GR S432 192 C277 S405 3 C400 1.5 B S423 E400 E401 S4241.5 B2 C445 1 C445Auxiliary Lamps Enabled with Main Lighting Switch in Main Beam or Dip Beam PositionAuxiliary Lamps Enabled with Main Lighting Switch in Main Beam Position Right Direction Indicator LampsLeft Direction Indicator Lamps 4 See Ground Dis- tributionSee Ground Dis- tribution B163 Left Rear Indica- tor Lamp 2 C442 1 C442
THEFT ALARM SYSTEM (NAS 1994) 15 ETM T3 DISCOVERY ELECTRICAL TROUBLESHOOTING MANUAL TROUBLESHOOTING HINTS 13. Check Fuses F1, F2 and F5 in Satellite Fuse Box 1. 14. Check Fuse F5 in Satellite Fuse Box 2. 15. If the interior lights do not come on when a door is open, check suspect door switch and associated wiring. 16. If all of the lock actuators do not operate, check O and K Wire. If OK, replace Theft Alarm Unit (Z163). SYSTEM DIAGNOSIS 1. If the system will not arm, do Test A. 2. If the system arms, but will not trigger at all, do Test D. 3. If the Horns (K128, K134) do not sound when triggered, do Test D. 4. If the hazard lights do not flash when triggered, do Test H. 5. If the system will not trigger when the bonnet is open, do Test I. 6. If the alarm is set using the remote and the system does not trigger the alarm when there is motion inside the vehicle, do Test J. 7. If the Theft Alarm LED (B151) does not operate, do Test E. 8. If the Horns (K128, K134) sound continuously, do Test G. 9. If the system will not disarm, do Test A. 10. If a Front Door Lock Actuator (M114, M122) does not operate, do Test K. 11. If the doors unlock themselves after operating the door locks, do Test L. 12. If the central locking function does not operate from one of the front doors, do Test M. 13. If the Tailgate Lock Actuator (M132) does not operate, do Test N. 14. If both Rear Door Lock Actuators (M117, M125) do not operate, do Test O.
ELECTRICAL TROUBLESHOOTING MANUA L
T3 ETM
Theft Alarm System (NAS 1994)
16
DISCOVERY
!
Z163
Theft Alarm Unit
$
Z163
Theft Alarm Unit
#
#
$