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Land Rover Range Rover Etm 1997 99 Gems 6th Edition Rover Manual

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    							DIESELA6
14CIRCUIT DIAGRAMREV: 07/98
E252 S215
0[6]0[7]
6 C247
PB
Z119
Rotary CouplerX269
Steering Wheel
Switches
[6] Reset/Decel
[7] Set/Accel
B
See Ground
Distribution3 C247 2WRZ119
Rotary Coupler
5 C235 WR
2 C2351
5C241D 6
E252 S207
B
See Ground
Distribution YR YS
4 C241D8
C572 20
YO
2C102
C202
OY OY
19C571
C121
Z249
Cruise Control
Converter/In-
verter Module
Z132
Engine Control
Module (ECM)
C255
14
WYZ238
Body Electrical
Control Module
(BECM)18
OW
E252 S208
X115
Cruise Control
Switch
B
See Ground
Distribution
4 C211
B
3
6 C211
1
2
B
5
S202
Interior Lamps
RW
01
2
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    							DIESELA6
15CIRCUIT DIAGRAM ADD: 07/98
1 C504
X105
Mass Air Flow
Sensor
26 C50435
S571
E574
G
A6-9
6
Z132
Engine Control
Module (ECM)3834
2 C522
F
A6-5 From Model 98.5
RW
1 C522
K171
EGR Control
Solenoid
B
RW
RY UW NG B
See Ground
Distribution
S572
Partial
C572
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    							STARTING AND CHARGINGB1
CIRCUIT OPERATION1
CIRCUIT OPERATION
Starting System
When the Ignition Switch (X274) is switched to
position III, the BeCM (Z238) grounds the starter
solenoid relay inside the Engine Compartment Fuse
Box (P125) which then energizes, applying battery
voltage to the Starter Solenoid (K136) and Starter
(M134).
Charging System
When the Ignition Switch (X274) is in position II, the
BeCM (Z238) turns the charge warning light on via
the datalink connection to the Instrument  Pack
(Z142)
When the Generator (Z106) starts to produce power,
the BeCM (Z238) gets an input signal on Pin 15 and
turns off the charge warning light.
For the Diesel engine this signal is also used as an
input signal for the fuel pump relay inside the Engine
Compartment Fusebox (P125) to make sure that the
Fuel Pump (M109) is only supplied with power when
the engine is running.
If the Generator (Z106) fails to produce power, the
charge warning light remains illuminated.
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    							STARTING AND CHARGING (PETROL)B1
2CIRCUIT DIAGRAM
P125a
Engine Compart-
ment Fuse Box
[12] Fuel Pump
Relay
[16] Starter
Relay30
MF 2
30 A15
RL16
[16]
Not used
RL12
[12]
Not used31
2 5
P104
Battery
See Power Dis-
tributionK136
Starter Solenoid
See Ground Dis-
tribution
6 C177
2C113WR1 C508
NR R
R
R
B
6 C257
2 C238WR
4 C238
B
0III
IIIZ238
Body Electrical
Control Module
(BECM)
X134
Ignition Switch
S215M
See Ground Dis-
tribution
M134
Starter
Shorting
Link 1
E181 E252 1
30 50
Petrol
1 C516
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    							STARTING AND CHARGING (DIESEL)B1
3CIRCUIT DIAGRAM
P125a
Engine Compart-
ment Fuse Box
[12] Fuel Pump
Relay
[16] Starter
Relay30
MF 2
30 A15
RL16
[16]
Not used
RL12
[12]
31
2 5
P104
Battery
See Power Dis-
tributionK136
Starter Solenoid
See Ground Dis-
tribution
6 C177
2C113WR1 C575
NR R
R
B
6 C257
2 C238WR
4 C238
B
0Z238
Body Electrical
Control Module
(BECM)
X134
Ignition Switch
S215M
See Ground Dis-
tribution
M134
Starter
E181 E252 1
30 KL50
Not used
D3
D1
D2 120 
15
62
A
B1-4
Diesel
NY BN
C575
30h
III
III Diesel
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    							STARTING AND CHARGINGB1
4CIRCUIT DIAGRAM
P104
Battery
See Power Dis-
tribution R
B
See Ground Dis-
tribution
E181
K136
Starter Solenoid
Z106
Generator
[1] Voltage
Regulator
30
D+
B+[1]
A
B1-3
15 C114NY
Z238
Body Electrical
Control Module
(BECM)
25C571
Z106
Generator
[1] Voltage
Regulator
D+
B+[1]
Petrol Diesel
R
NY
3C506
C106S573
NY
C121
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    							STARTING AND CHARGINGB1
5CIRCUIT DIAGRAM
Z142
Instrument
Cluster
[15] Control Unit
and Mess-
age Centre
Display
30
F 1
[15]
5 C256BG 7C242
Z238
Body Electrical
Control Module
(BECM)
144
PP
C242
Z238
Body Electrical
Control Module
(BECM)
7 C258


S205
17188
14BG10RG
122
2RG9OG
133
1OG3LG
155
11LG
B
E254
See Fuse Details
B
10 A
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    							STARTING AND CHARGINGB1
TROUBLESHOOTING HINTS6
TROUBLESHOOTING HINTS
4. If the charge warning light does not light with the
engine off and the Ignition Switch (X274) in position
II, check the bulb. If ok, check BeCM (Z238), Instru-
ment Pack (Z142) and the datalink between them.
SYSTEM DIAGNOSIS
5. If the Starter Solenoid (K136) does not click and
the engine does not crank, do Test A.
6. If the Starter Solenoid (K136) clicks but the en-
gine does not crank or cranks slowly, do Test B.
7. If the charge warning light stays lit with the en-
gine running, and the Generator (Z106) is ok, do
Test C.
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    							STARTING AND CHARGINGB1
7TROUBLESHOOTING Starter Solenoid
Relay Engine Compartment
Fuse BoxP125a
Engine Compart-
ment Fuse Box P125a
Engine Compart-
ment Fuse Box
BAT VOLT
Test A
OKOK
OKOK
3A 1A
2A
CONDITIONS
Ignition Switch
Position: III
RESULTS
BAT VOLT
CONDITIONS
Ignition Switch
Position: 0
RESULTS 
2A
PROBLEM CAUSE
NR Wire -
-
Starter Solenoid
PROBLEM CAUSE
-
 V
 V
C508
C575 NR
WRC177
-
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    							STARTING AND CHARGINGB1
8TROUBLESHOOTINGStarter Solenoid
(K136) terminal con-
nection Battery Terminal Con-
nection
Less than 0.5V
M134
Starter Z238
Body Electrical
Control Module
(BECM)
OKOKPROBLEM CAUSE
OKOK
2B 3A
1B
CONDITIONS
Ignition Switch
Position: 0
RESULTS
BAT VOLT
WR
CONDITIONS
Ignition Switch
Position: III
RESULTSWire -
 
Test B
2A
PROBLEM CAUSE
Body Electrical Control Mod-
ule (BECM) -
PROBLEM CAUSE
R
Wire -
-
C113
V
WR
V
R
M
RR
-Ignition Switch
-
Wire
- WR
Wire
- B
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