Land Rover Discovery Etm 1995 2nd Edition Rover Manual
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Page 81
ELECTRICAL TROUBLESHOOTING MANUAL
ETM B5
Cruise Control
17
DISCOVERY
Z121
Cruise Control
ECU
Z121
Cruise Control
ECU
R150001
R150001
$(%$ *( !
$(%$ *( !
&)
%$(&%# *( !
&
& + +
+
Rotary Coupler
+
Steering Wheel
Cruise Switches
!( & & *! # %$ &%)$
%(( ...
Page 82
ELECTRICAL TROUBLESHOOTING MANUA L B5 ETM Cruise Control 18 DISCOVERY Z121 Cruise Control ECU ) Cruise Control ECU Z121 Cruise Control ECU R150001 R150001 ! & ! ( & $ % !&$ # ! & ! ( & $ % !&$ $ % !&$ ( & $ % !&$ ( &
Page 83
ELECTRICAL TROUBLESHOOTING MANUAL ETM B5 Cruise Control 19 DISCOVERY M103 Cruise Control Vacuum Pump M103 Cruise Control Vacuum Pump % ! % % ! % # ( ( Cruise Control Vacuum Pump #& $ ! %#! && & #& $ ! %#! % ( # $%
Page 84
ELECTRICAL TROUBLESHOOTING MANUA L
B5 ETM
Cruise Control
20
DISCOVERY
M103
Cruise Control
Vacuum Pump
*
$
! & ! ) &
$ $%&$ & ! *
*
$ ) & !& (
*
$ % !&$ # ! !
Page 85
IGNITION AND SHIFT INTERLOCKS 1 ETM C1 DISCOVERY ELECTRICAL TROUBLESHOOTING MANUAL CIRCUIT OPERATION Selector Interlock When the gear selector is in the park position, the solenoid inside the Transmission Range Selector Switch (Z110) is de±energized and prevents the selector from being moved into another gear. To free the selector, the Ignition Switch (X134) must be in position II and the brake pedal must be depressed. When this occurs, voltage from Fuse F1 is applied to the Transmission Range...
Page 86
![Page 86
ELECTRICAL TROUBLESHOOTING MANUA L
C1 ETM
Ignition and Shift Interlock
2
DISCOVERY
21P126
Fascia Fuse Box
C204
C227
C227Without ABS With ABS
S2011X168
Stop Lamp
Switch
[1] Brake Pedal
Depressed
[2] Brake Pedal
Further De-
pressed 1X168
Stop Lamp
Switch
[1] Brake Pedal
Depressed
[2] Brake Pedal
Further De-
pressed 2.0 GO
215
F 1
15A
[1][2]
0
S2042
1.0 GP
[1]
C20630
1.0 GO
1 C2004
C20631 C2003
1.0 GP
Z206
Stop Lamp
Switch Sup-
pressor
With ABSWithout ABS 1.0 GO HJ1
1.0 GP
0.5 GP 1
1.0 GP
HJ4
See Fuse...](http://img.usermanuals.tech/thumb/2848/48430/w300_discovery-etm-1995-2nd-edition-rover-85.png "Page 86
ELECTRICAL TROUBLESHOOTING MANUA L
C1 ETM
Ignition and Shift Interlock
2
DISCOVERY
21P126
Fascia Fuse Box
C204
C227
C227Without ABS With ABS
S2011X168
Stop Lamp
Switch
[1] Brake Pedal
Depressed
[2] Brake Pedal
Further De-
pressed 1X168
Stop Lamp
Switch
[1] Brake Pedal
Depressed
[2] Brake Pedal
Further De-
pressed 2.0 GO
215
F 1
15A
[1][2]
0
S2042
1.0 GP
[1]
C20630
1.0 GO
1 C2004
C20631 C2003
1.0 GP
Z206
Stop Lamp
Switch Sup-
pressor
With ABSWithout ABS 1.0 GO HJ1
1.0 GP
0.5 GP 1
1.0 GP
HJ4
See Fuse...")
ELECTRICAL TROUBLESHOOTING MANUA L C1 ETM Ignition and Shift Interlock 2 DISCOVERY 21P126 Fascia Fuse Box C204 C227 C227Without ABS With ABS S2011X168 Stop Lamp Switch [1] Brake Pedal Depressed [2] Brake Pedal Further De- pressed 1X168 Stop Lamp Switch [1] Brake Pedal Depressed [2] Brake Pedal Further De- pressed 2.0 GO 215 F 1 15A [1][2] 0 S2042 1.0 GP [1] C20630 1.0 GO 1 C2004 C20631 C2003 1.0 GP Z206 Stop Lamp Switch Sup- pressor With ABSWithout ABS 1.0 GO HJ1 1.0 GP 0.5 GP 1 1.0 GP HJ4 See Fuse...
Page 87
ELECTRICAL TROUBLESHOOTING MANUAL ETM C1 Ignition and Shift Interlock 3 DISCOVERY S2018 30 F 12 10 AC1-2 B C1-5 C C1-4 D C1-4 C204 4 See Fuse Details S2021 HJ6 0.5 P 125 6 C344 0.5 GP0.5 KS RBOY Z110 Transmission Range Selector Switch See Ground Dis- tribution NW 4 0.5 BR HJ6 E201 S2031 HJ50.5 B3 C344 BW P R N D321 P R N D321 A Mechanical Con- nection P126 Fascia Fuse Box BW Interlock Sole- noid
Page 88
![Page 88
ELECTRICAL TROUBLESHOOTING MANUA L
C1 ETM
Ignition and Shift Interlock
4
DISCOVERY
30
F 12
10 A
D
C1-3
H
NL
C
C1-3 P126
Fascia Fuse Box
X229
Key±In Switch
[1] Key InsertedX230
Key±Barrel
Switch
[1] Key in
Position 0
K153
Interlock Relay 1K191
Ignition Key
Lock Solenoid
X175
Transfer Box
Position Switch
Z148
Multi±Function
Unit (MFU)
See Ground Dis-
tribution
See Fuse Details
C204 4
2 4 C2012C202 23 0.5 BR
0.5 KR 0.5 W
0.5 B
C2012 36
0.5 WP
C202 14
S2014
HJ4
30 86
C2000C2014 1
87 85 C2000
0.5 RB
Z189...](http://img.usermanuals.tech/thumb/2848/48430/w300_discovery-etm-1995-2nd-edition-rover-87.png "Page 88
ELECTRICAL TROUBLESHOOTING MANUA L
C1 ETM
Ignition and Shift Interlock
4
DISCOVERY
30
F 12
10 A
D
C1-3
H
NL
C
C1-3 P126
Fascia Fuse Box
X229
Key±In Switch
[1] Key InsertedX230
Key±Barrel
Switch
[1] Key in
Position 0
K153
Interlock Relay 1K191
Ignition Key
Lock Solenoid
X175
Transfer Box
Position Switch
Z148
Multi±Function
Unit (MFU)
See Ground Dis-
tribution
See Fuse Details
C204 4
2 4 C2012C202 23 0.5 BR
0.5 KR 0.5 W
0.5 B
C2012 36
0.5 WP
C202 14
S2014
HJ4
30 86
C2000C2014 1
87 85 C2000
0.5 RB
Z189...")
ELECTRICAL TROUBLESHOOTING MANUA L C1 ETM Ignition and Shift Interlock 4 DISCOVERY 30 F 12 10 A D C1-3 H NL C C1-3 P126 Fascia Fuse Box X229 Key±In Switch [1] Key InsertedX230 Key±Barrel Switch [1] Key in Position 0 K153 Interlock Relay 1K191 Ignition Key Lock Solenoid X175 Transfer Box Position Switch Z148 Multi±Function Unit (MFU) See Ground Dis- tribution See Fuse Details C204 4 2 4 C2012C202 23 0.5 BR 0.5 KR 0.5 W 0.5 B C2012 36 0.5 WP C202 14 S2014 HJ4 30 86 C2000C2014 1 87 85 C2000 0.5 RB Z189...
Page 89
ELECTRICAL TROUBLESHOOTING MANUAL ETM C1 Ignition and Shift Interlock 5 DISCOVERY 15 F 13 10 AP126 Fascia Fuse Box K151 Interlock Relay 2 30 87a8786 85 P B C1-3 X167 Park/Neutral Position Switch K154 Transfer Box Drive Motor/En- coder C226 2 0.5 WY 0.5 BR 30 86 C2001 87 85 C2001 0.5 SB0.5 YB Z190 Interlock Diode 26 C105 1 C369 2 C369 0.5 B S343 See Ground Dis- tributionS2005 S3220.5 BY HJ2 10 C105 5 C323 0.5 BG 4 C323 0.5 BO 11 C105 E201 R N D321 S138 1 C274 0.5 BO See Ground Dis- tribution S2025 E201...
Page 90
IGNITION ,AND SHIFT INTERLOCKS 6 C1 ETM 1994 RANGE ROVER ELECTRICAL TROUBLESHOOTING MANUA L 3. If the transmission range selector cannot be shifted out of park, do Test A. 4. If the ignition key cannot be removed with the transmission range selector in park and the transfer box is in ªHº or ªLº, do Test B. 5. If the transfer box can be shifted out of ªHº or ªLº while in any gear except neutral, do Test C. 6. If the ignition key can be removed with the transmission range selector in any...