Land Rover Discovery Etm 1995 2nd Edition Rover Manual
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![Page 356
ELECTRICAL TROUBLESHOOTING MANUA L
L4 ETM
Sunroof
2
DISCOVERY
S308
[1] Open
[2] Close
0.5 GU
0.5 GK 0.5 GR 0.5 GO
0 [1]0 [2]
3 H C3837 C382 C382
E200
I C383
0.5 B 0.5 B
See Ground Dis-
tribution
0 [1]0 [2]
[1] Open
[2] Close](http://img.usermanuals.tech/thumb/2848/48430/w64_discovery-etm-1995-2nd-edition-rover-355.png "Page 356
ELECTRICAL TROUBLESHOOTING MANUA L
L4 ETM
Sunroof
2
DISCOVERY
S308
[1] Open
[2] Close
0.5 GU
0.5 GK 0.5 GR 0.5 GO
0 [1]0 [2]
3 H C3837 C382 C382
E200
I C383
0.5 B 0.5 B
See Ground Dis-
tribution
0 [1]0 [2]
[1] Open
[2] Close")
![Page 357
ELECTRICAL TROUBLESHOOTING MANUAL
ETM L4
Sunroof
3
DISCOVERY
#
! !
!
!
1.5 W
1.5 P
!
!
0.5 OU
1.5 B
0 [1]
3 C387
2 C38741
!
1.5 O
1.5 U
0.5 OG
1.5 B
0 [1]
3 C388
2 C38841
S308
S307
NR Y
NR Y
BB](http://img.usermanuals.tech/thumb/2848/48430/w64_discovery-etm-1995-2nd-edition-rover-356.png "Page 357
ELECTRICAL TROUBLESHOOTING MANUAL
ETM L4
Sunroof
3
DISCOVERY
#
! !
!
!
1.5 W
1.5 P
!
!
0.5 OU
1.5 B
0 [1]
3 C387
2 C38741
!
1.5 O
1.5 U
0.5 OG
1.5 B
0 [1]
3 C388
2 C38841
S308
S307
NR Y
NR Y
BB")
![Page 359
ELECTRICAL TROUBLESHOOTING MANUA L
L6 ETM
Central Locking (except Japan)
2
DISCOVERY
S601
[1] Lock
[2] Unlock
0.5 K
[2][2][1][1]
E200 0.5 B
See Ground Dis-
tribution
4 C607
30
F 4
15 A
See Fuse Details
13 C60298
1.0 NK 0.5 O
3 C6071
1.0 K 1.0 O
AL6-3
BL6-3
2
M](http://img.usermanuals.tech/thumb/2848/48430/w64_discovery-etm-1995-2nd-edition-rover-358.png "Page 359
ELECTRICAL TROUBLESHOOTING MANUA L
L6 ETM
Central Locking (except Japan)
2
DISCOVERY
S601
[1] Lock
[2] Unlock
0.5 K
[2][2][1][1]
E200 0.5 B
See Ground Dis-
tribution
4 C607
30
F 4
15 A
See Fuse Details
13 C60298
1.0 NK 0.5 O
3 C6071
1.0 K 1.0 O
AL6-3
BL6-3
2
M")
CENTRAL LOCKING (EXPECT JAPAN) 4 L6 ETM DISCOVERY ELECTRICAL TROUBLESHOOTING MANUA L TROUBLESHOOTING HINTS 9. Check Fuse F4 of Satellite Fuse Box 2. 10. If all the central locking functions except the right front door operate, replace the Right Front Door Lock Actuator (M122 ). SYSTEM DIAGNOSIS 1. If the central locking functions do not operate at all, do Test A. 2. If the Left Front Door Actuator (M114) does not operate, do Test B. 3. If the Tailgate Lock Actuator (M132) does not operate, do Test C. 4. If both Rear Door Lock Actuators (M117, M125) do not operate, do Test D.
ELECTRICAL TROUBLESHOOTING MANUAL ETM L6 Central Locking (except Japan) 5 DISCOVERY (& % * * & * Left Front Door Lock Actuator M122 Right Front Door Lock Actuator M114 Left Front Door Lock Actuator # $# ) $$%& #$! %$# $$% # $# ) % * % * & * % * 12 43 Right Front Door Lock Actuator
ELECTRICAL TROUBLESHOOTING MANUA L
L6 ETM
Central Locking (except Japan)
6
DISCOVERY
! % ! %
! % ! %
#
# ( (
(
%
%&%# #$
%
#!% #
! %
#!% #
2 1
2 1
M132
Tailgate Lock Ac-
tuator
M132
Tailgate Lock Ac-
tuator
$%
#$
ELECTRICAL TROUBLESHOOTING MANUAL ETM L6 Central Locking (except Japan) 7 DISCOVERY & M117, M125 Rear Door Lock Actuator # $# ( % ) $$%& $! %$# $$% 12 M117, M125 Rear Door Lock Actuator # $# ( % ) ) M117, M125 Rear Door Lock Actuator $$%& #$! %$# $$% 12
CENTRAL LOCKING (JAPAN) 1 ETM L7 DISCOVERY ELECTRICAL TROUBLESHOOTING MANUAL CIRCUIT OPERATION Fuses F1 and F5 supply voltage to the Central Locking Control Unit (Z113). The control unit is grounded at terminal 2 to ground E201. The Central Locking Control Unit (Z113) monitors the position of the front door locks through input switches that are part of the Front Door Lock Actuators (M114, M122). When the control unit sees an input switch change position, the control unit responds by locking or unlocking the doors and the tailgate. The Central Locking Control Unit (Z113) locks the doors and the tailgate by momentarily applying battery voltage to the actuators through the K wire. The lock actuators are grounded by the Central Locking Control Unit through the O wire. The actuators now move to the locked position. To unlock the doors and the tailgate the Central Locking Control Unit (Z113) momentarily applies battery voltage to the actuators through the O wire. The actuators are grounded by the Central Locking Control Unit through the K wire. The lock actuators now unlock.
ELECTRICAL TROUBLESHOOTING MANUA L L7 ETM Central Locking (Japan) 2 DISCOVERY S2032 30 F 1 15 A E20115 F 5 10 A S2017P127 Satellite Fuse Box 1 Z113 Central Locking Control Unit 1.0 P See Ground Dis- tribution 6 C2741.0 GK HJ5 0.5 GK 10 C225 HJ3 2 0.5 BOC274 J188 Antenna 1 C274 S2025 See Ground Dis- tribution0.5 BO
O K
ELECTRICAL TROUBLESHOOTING MANUAL
ETM L7
Central Locking (Japan)
3
DISCOVERY
!
!
C274 45
1.0 O 1.0 K
S2009S2007
0.5 O
2 C306
S3141.0 O
8 C602
0.5 O1.0 O
8 C502
0.5
O
1 C507
2 C5079 C502 1.0 K1.0 K
9 C602
0.5 K
2 C607
1 C6070.5 K
3 C306
S315
2 C701
2 C706
1 C706
1 C701
1 C801
2 C806
1 C806
2 C8011.0 K
0.5
K 1.0 O
ELECTRICAL TROUBLESHOOTING MANUA L L7 ETM Central Locking (Japan) 4 DISCOVERY T1-3 M132 Tailgate Lock Ac- tuator AB 2 1 C414 6 4 C415 5 6 C277 1.0 O 1.0 K OK M
ELECTRICAL TROUBLESHOOTING MANUAL ETM L7 Central Locking (Japan) DISCOVERY 5 [1][2] M114 Left Front Door Lock Actuator [1] Lock [2] UnlockZ113 Central Locking Control Unit See Ground Dis- tributionC225 26 0.5 YK0.5 YK 5 4 C507 0.3 B 3 C507 0.5 B S501 E201 Not used [1][2] M122 Right Front Door Lock Actuator [1] Lock [2] Unlock See Ground Dis- tribution5 4 C607 0.3 B 3 C607 0.5 B S601 E200 Not used 6 C6026 C502 0.5 GB
ELECTRICAL TROUBLESHOOTING MANUA L L7 ETM Central Locking (Japan) 6 DISCOVERY Z113 Central Locking Control Unit Z148 Multi±Function Unit (MFU) X212 Alarm Bonnet Switch [1] Open X201 Left Front Door Key Switch [1] Key turned [2] Key outX202 Right Front Door Key Switch [1] Key turned [2] Key out See Ground Dis- tribution See Ground Dis- tributionSee Ground Dis- tribution 731 12 C225 3 1C602 C604 4 C604 S601 S5014 C5041 C178 2 C1784 C205 0.5 KB 3 C502 1 C504 0.5 UG 0.5 B E201E101 0.5 BB 0.5 PO 0.5 PU 0.5 UG 0.5 UG 0.5 B S129 [2] [1] [2] [1] 0[1] E200